{
  "response": {
    "Key": "CHI-ATH",
    "orig": {
      "code": "CHI",
      "type": "airport",
      "city": "Chicago",
      "fullCity": "Chicago, Illinois",
      "airport": "Dupage County"
    },
    "dest": {
      "code": "ATH",
      "type": "airport",
      "city": "Athens",
      "fullCity": "Athens, Greece",
      "airport": "Eleftherios Venizelos Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Chicago to Athens?",
        "answer": "The flight from Chicago to Athens is about 5,450 miles, with a typical nonstop duration of 10 hours and 15 minutes. Returning to Chicago takes about 11 hours and 40 minutes, roughly an hour and 25 minutes longer due to prevailing winds.",
        "methodology": "Flight times and distances come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). The typical flight time is the median scheduled block time across all carriers on the route, computed the same way in both directions so the difference reflects prevailing winds rather than any change in method. Distance is the great-circle distance between the two airports, so the actual flown track is typically 2-5% longer.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q1": {
        "question": "Are there any direct flights from Chicago to Athens?",
        "answer": "Yes, there are nonstop flights from Chicago O'Hare (ORD) to Athens on American Airlines and United, both operating daily. American runs up to six departures a day in the late afternoon, while United has a single daily departure around 4:20 PM. The flight takes roughly 10 hours and 15 minutes eastbound, with American using Boeing 787-8 and United flying the 787-10.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours. Carrier service, flight times and distances for this route come from our flight-schedule database, which draws on published airline timetables, U.S. government schedule data, and observed operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We report the days of the week and the departure times each carrier operates. The typical flight time is the median scheduled block time, given both per carrier and across all carriers on the route; where a schedule does not publish an elapsed time, it is derived from the scheduled departure and arrival times converted to UTC. Outbound and return times are computed by the same method, so the difference between them is directly comparable and reflects prevailing winds rather than any change in derivation. Distance is the great-circle distance between the two specific airports named, so an actual flown track is typically 2-5% longer. Where shown, on-time departure and arrival rates and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; where a typical fare is shown, it comes from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold. Aircraft types are taken from the equipment each operating carrier schedules on this route, drawn from published airline timetables and airline equipment schedules in our flight-schedule database. They describe typical scheduled aircraft and can vary with seasonal or day-of-week assignments and last-minute equipment swaps.",
        "toolsUsed": [
          "route_airlines",
          "flight_schedule",
          "route_aircraft"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Athens?",
        "answer": "From Athens International Airport, the most popular way to the city center is the Metro Line 3, which runs every 36 minutes from 6:10 AM to 11:34 PM and costs €9. The Suburban Railway also connects to Piraeus and central Athens with about one train per hour. Taxis are available 24/7 outside the terminal, offering a faster but pricier ride, typically around €40–50. Ride-sharing apps like Uber operate in Athens but often dispatch standard taxis. Car rentals are available at the airport but are generally unnecessary for city-center stays due to Athens' dense public transit network.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Athens%20Airport%20station",
            "title": "Athens Airport station",
            "time_published": "2025-12-30T10:04:42Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_Airport_station",
            "title": "Athens Airport station",
            "time_published": "2026-05-23T02:23:19Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_International_Airport_S.A.",
            "title": "Athens International Airport S.A.",
            "time_published": "2026-06-14T17:54:54Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/1973_Athens_Hellinikon_International_Airport_attack",
            "title": "1973 Athens Hellinikon International Airport attack",
            "time_published": "2026-05-03T15:55:50Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Public%20transport%20in%20Athens",
            "title": "Public transport in Athens",
            "time_published": "2026-04-30T18:43:30Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Chicago to Athens?",
        "answer": "Average fares from Chicago to Athens bottom out around $395 in late January, making that the cheapest stretch to fly. The cheapest months overall are September (about $399), October (about $408), and February (about $413), while late December is the priciest period at roughly $518 on average.",
        "methodology": "Seasonal fares come from Priceline's own air booking-summary archive, analysed in-house and refreshed monthly. For each day of the year we take a representative round-trip fare, a blend of the 25th-percentile and average ticket price over the route's bookings, and smooth the series into a seasonal curve; the half-month low and high and the monthly figures quoted here are averages of that curve. Thin and international routes borrow their seasonal shape from the nearest busy routes, with the price level anchored to the route's own bookings.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Chicago to Athens?",
        "answer": "No nonstop red-eyes operate from Chicago to Athens, but several one-stop itineraries feature an overnight long leg. From O'Hare, American departs at 20:45 via London Heathrow arriving 10:30, United departs at 18:30 via Frankfurt arriving 09:55, and Lufthansa departs at 16:05 via Frankfurt arriving 07:25 — all of these arrive in the morning hours the next day.",
        "methodology": "Red-eye flights are identified from scheduled local departure and arrival times in our flight-schedule database — built from published airline timetables and official schedule data, including U.S. Department of Transportation records for domestic routes — flagging services that depart late at night and arrive the following morning; for connecting itineraries the red-eye is based on the timing of the overnight long-haul leg.",
        "toolsUsed": [
          "redeye_flights"
        ]
      },
      "q7": {
        "question": "Which airlines usually operate this route from Chicago to Athens?",
        "answer": "American Airlines and United fly nonstop from Chicago O'Hare to Athens. American operates up to 42 weekly flights, with departures scattered between roughly 4:35 PM and 5:40 PM, while United runs one daily departure around 4:20 PM. Specific median fares aren't available for these carriers on this route.",
        "methodology": "Airlines and weekly frequencies come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a typical fare is shown for a carrier, it is the median of the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Chicago and Athens?",
        "answer": "Common layovers from Chicago to Athens include Istanbul, London, Frankfurt, and Munich. Istanbul often provides a single-connection itinerary with broad onward links and a compact, efficient airport. London Heathrow offers frequent transatlantic flights and many Athens connections, though transit may require a terminal change. Frankfurt and Munich are major Star Alliance hubs with smooth, Schengen-area transfers and fast minimum connection times."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Athens?",
        "answer": "April to June and September to October offer pleasant temperatures and fewer tourists than the peak summer months."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Chicago to Athens?",
        "answer": "Bring your passport valid for at least three months beyond your stay, a credit or debit card for baggage fees, and proof of onward travel. U.S. citizens currently need no visa for stays up to 90 days. Check if any health documentation is required."
      },
      "q12": {
        "question": "Which airport should I use in Athens?",
        "answer": "Athens International Airport is the only commercial airport serving Athens, located about 20 km east of the city centre. It handles all flights, including full‑service and low‑cost carriers, and connects to downtown via metro, bus, and taxi."
      },
      "q13": {
        "question": "How do I get to Dupage County from the city center?",
        "answer": "From downtown Chicago, the fastest and most popular way to reach O'Hare International Airport is the CTA Blue Line 'L' train, which runs 24/7 and takes about 40–45 minutes for a low fare. Taxis, limos, and rideshares offer door-to-door convenience in roughly the same time when traffic is light, but cost significantly more. Several airport shuttles and regional buses also serve O'Hare from the city and suburbs. If you drive, the main garage has hourly and daily parking, while economy lots provide lower rates for longer stays.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://flychicago.com/ohare/tofrom/pages/default.aspx",
            "title": "Getting To and From O'Hare International Airport | Chicago O’Hare International Airport (ORD)",
            "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"
          },
          {
            "url": "https://www.flychicago.com/ohare/map",
            "title": "Map | Chicago O’Hare International Airport (ORD)",
            "time_published": "2026-05-27T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation_in_Chicago",
            "title": "Transportation in Chicago",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-05-15T02:56:07Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation%20in%20Chicago",
            "title": "Transportation in Chicago",
            "time_published": "2026-04-13T06:59:09Z"
          },
          {
            "url": "https://faa.gov/regulations_policies/orders_notices/index.cfm/go/document.information/documentID/6111",
            "title": "Order  3330.39 - Chicago/o'hare Airport Traffic Control Tower (ATCT) Staffing PChicago/o'hare Airport Traffic Control Tower (ATCT) Staffing Plan (Cancelled)",
            "time_published": "2026-04-10T00:00:00Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Athens airport?",
        "answer": "Athens Airport (ATH) does not have an on-site hotel or sleeping pods inside the terminal, though there is a Sofitel hotel directly connected to the main terminal via a covered walkway across the arrivals level. No shuttle is needed to reach the Sofitel, and there are also several nearby hotels within a short drive that offer shuttle service.",
        "toolsUsed": [],
        "references": [
          {
            "url": "http://www.sleepinginairports.net/europe/athens.htm",
            "title": "Athens Airport Guide (ATH) - Sleeping in Airports",
            "time_published": "2026-02-03T21:28:32Z"
          },
          {
            "url": "https://www.sleepinginairports.net/guides/athens-airport-guide.htm",
            "title": "Athens Airport Guide (ATH) - Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/nitropack_static/oBWrHkPujHTPIaVWqdDSDhClXUyrYhhb/assets/images/optimized/rev-b853180/www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png",
            "time_published": "2018-08-23T17:18:28Z"
          },
          {
            "url": "http://activities.marriott.com/europe/greece/athens/activities/athens_hotels_to_athens_international_airport_ath_departure_private_transfer-X7KYVA?property=ATHAM",
            "title": "Athens hotels to Athens International Airport (ATH) - Departure Private Transfer",
            "time_published": "2026-04-09T00:00:00Z"
          },
          {
            "url": "http://activities.marriott.com/europe/greece/athens/activities/athens_airport_to_athens_city_private_arrival_transfer-XSMZ9T?property=ATHAM",
            "title": "Athens Airport to Athens City Private Arrival Transfer",
            "time_published": "2026-04-08T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens%20International%20Airport",
            "title": "Athens International Airport",
            "time_published": "2026-04-30T21:20:56Z"
          },
          {
            "url": "http://activities.marriott.com/europe/greece/athens/activities/athens_airport_ath_to_vouliagmeni_private_transfer-XKXEO6?property=ATHAM",
            "title": "Athens Airport ATH to Vouliagmeni Private Transfer",
            "time_published": "2026-04-08T00:00:00Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Eleftherios Venizelos Intl Airport?",
        "answer": "Athens International Airport (ATH) provides free Wi‑Fi throughout the terminal, with no time limit. Currency exchange offices are available in the arrivals and departures areas, operated by Eurochange. A multi‑faith prayer room is located near the B7 gate in the Schengen departures area.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Athens%20International%20Airport",
            "title": "Athens International Airport",
            "time_published": "2026-04-30T21:20:56Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_Airport_station",
            "title": "Athens Airport station",
            "time_published": "2026-05-23T02:23:19Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens%20Airport%20station",
            "title": "Athens Airport station",
            "time_published": "2025-12-30T10:04:42Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_International_Airport_S.A.",
            "title": "Athens International Airport S.A.",
            "time_published": "2026-06-14T17:54:54Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_International_Airport_Archaeological_Collection",
            "title": "Athens International Airport Archaeological Collection",
            "time_published": "2026-05-26T00:24:44Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Chicago and Athens airports?",
        "answer": "The Chicago area is served primarily by O'Hare (ORD) and Midway (MDW), both of which offer comprehensive accessibility services including wheelchair assistance, visual paging, and TTY phones, and these should be requested through your airline at least 48 hours before travel. For children, O'Hare features the \\\\\"Kids on the Fly\\\\\" play area in Terminal 2, while Midway has a play space in Concourse A. At Athens International Airport (ATH), the PRM (Persons with Reduced Mobility) assistance covers everything from designated parking to escort through the terminal and onto the aircraft, also best arranged 48 hours in advance via your airline or the airport's online form, and there are dedicated children's play areas and family facilities throughout the terminal. Both airports are well-equipped to support travelers with disabilities and families, ensuring a smooth journey from Chicago to Athens.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/DuPage%20Airport",
            "title": "DuPage Airport",
            "time_published": "2026-03-13T22:38:40Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Chicago%20Executive%20Airport",
            "title": "Chicago Executive Airport",
            "time_published": "2026-03-26T11:15:20Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Chicago_Executive_Airport",
            "title": "Chicago Executive Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-16T20:23:03Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Gary/Chicago_Airport_station",
            "title": "Gary/Chicago Airport station",
            "time_published": "2026-07-05T23:27:56Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Gary%2FChicago%20Airport%20station",
            "title": "Gary/Chicago Airport station",
            "time_published": "2026-04-10T04:17:48Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens%20Airport%20station",
            "title": "Athens Airport station",
            "time_published": "2025-12-30T10:04:42Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_Airport_station",
            "title": "Athens Airport station",
            "time_published": "2026-05-23T02:23:19Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens%20International%20Airport",
            "title": "Athens International Airport",
            "time_published": "2026-04-30T21:20:56Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_International_Airport_S.A.",
            "title": "Athens International Airport S.A.",
            "time_published": "2026-06-14T17:54:54Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/1973_Athens_Hellinikon_International_Airport_attack",
            "title": "1973 Athens Hellinikon International Airport attack",
            "time_published": "2026-05-03T15:55:50Z"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Chicago to Athens?",
        "answer": "On the nonstop route from Chicago to Athens, American Airlines flies the Boeing 787-8 and an unspecified 787 variant, while United operates the Boeing 787-10. One-stop connecting itineraries feature a wide variety of long-haul aircraft, including Boeing 777s, 787-9s, and Airbus A350-900s, with the exact type varying by airline and routing. Wi-Fi and seatback entertainment are widely available on these modern widebody jets.",
        "methodology": "Aircraft types are taken from the equipment each operating carrier schedules on this route, drawn from published airline timetables and airline equipment schedules in our flight-schedule database. They describe typical scheduled aircraft and can vary with seasonal or day-of-week assignments and last-minute equipment swaps.",
        "toolsUsed": [
          "route_aircraft"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from Chicago to Athens?",
        "answer": "American Airlines (oneworld) and United Airlines (Star Alliance) both fly nonstop from Chicago O'Hare to Athens. No other alliances offer nonstop service on this route, though SkyTeam carriers may serve it via connections.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Chicago?",
        "answer": "Chicago O'Hare offers several airline-branded lounges across its terminals. United has multiple United Clubs (Terminal 1 near Gates B6, B18, C10; Terminal 2 near E7 and F9) and a Polaris Lounge at Gate C18 for international first and business class passengers. American operates Admirals Clubs at Terminal 3 (Gates G8 and L2A) and a Flagship Lounge near Gates H6/K6. Delta's Sky Club is in Terminal 5 near Gate M13, open daily 7:00 AM to midnight. Terminal 5 also houses the Air France Lounge (Gate M17) and LOT Business Lounge (Gate M18) for eligible business class and elite travelers, plus the independent Swissport Lounge (Gate M13) and Wingtips Lounge (Gate M19) which accept Priority Pass and other access methods.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.flychicago.com/ohare/ServicesAmenities/services/Pages/lounges.aspx",
            "title": "Airline Lounges | Chicago O’Hare International Airport (ORD)",
            "time_published": "2026-05-29T00:00:00Z"
          },
          {
            "url": "https://www.delta.com/us/en/airports/united-states/chicago-sky-club-airport-map",
            "title": "Chicago O'Hare (ORD) Airport Map & Lounges | Delta Air Lines",
            "time_published": "2022-11-18T00:00:00Z"
          },
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/united-states-of-america/ohare-international/ord10-swissport-lounge",
            "title": "Swissport Lounge ORD AIRPORT Terminal 5 O'Hare International | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://americanexpress.com/en-ca/travel/lounges/the-platinum-card/ORD",
            "title": "American Express Lounges at O'Hare International Airport | Amex CA",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "http://www.americanexpress.com/en-us/travel/lounges/the-platinum-card/ORD/Swissport-Lounge-Terminal-5-Concourse-M-5mTKilCqDl/",
            "title": "Swissport Lounge at O'Hare International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          }
        ],
        "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Chicago to Athens?",
        "answer": "Baggage allowance on Chicago–Athens flights differs by airline and fare type. Basic economy tickets often exclude checked luggage, while standard economy usually includes one checked bag and a carry‑on. Premium cabins typically permit two checked bags."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Chicago to Athens?",
        "answer": "Typical cabin options from Chicago to Athens include Economy and flat-bed Business class, with Premium Economy available on select airlines."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible and premium cabin tickets often allow same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}