{
  "response": {
    "Key": "DEN-ATH",
    "orig": {
      "code": "DEN",
      "type": "airport",
      "city": "Denver",
      "fullCity": "Denver, Colorado",
      "airport": "Denver Intl Airport"
    },
    "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 Denver to Athens?",
        "answer": "There are no scheduled nonstop flights between Denver and Athens, so the journey requires at least one connection. The distance from Denver to Athens is about 6,160 miles. With a typical layover, total travel time is approximately 14 to 18 hours.",
        "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 Denver to Athens?",
        "answer": "There are no nonstop flights from Denver to Athens. The shortest one-stop routings take around 12 to 13.5 hours total, with common connections via Frankfurt (Lufthansa), Munich (Lufthansa), or Chicago O'Hare (United/American), each with a layover of about 1.5 to 2.5 hours.",
        "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"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Athens?",
        "answer": "Athens International Airport offers several ground transportation options: the Athens Metro Line 3 and the Proastiakos suburban railway, taxis, public buses (including Transport for Athens and regional KTEL Express services), and private car parking. The Metro and suburban railway are directly adjacent to the terminal via an elevated walkway and provide a frequent, reliable connection to the city center and Piraeus. Taxis are available at a designated rank at exit 3 of the arrivals level. Buses connect to the wider Athens area and regions like Rafina, Markopoulo, and Lavrio. The Metro is the most-used option for reaching central Athens, while taxis are the fastest for door-to-door service.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Athens_Airport_station",
            "title": "Athens Airport station",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-22T13:47:24Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_International_Airport",
            "title": "Athens International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-07T09:52:13Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_Kifissos_Bus_Terminal",
            "title": "Athens Kifissos Bus Terminal",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-23T03:09:40Z"
          },
          {
            "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–Patras_railway",
            "title": "Athens Airport–Patras railway",
            "time_published": "2026-01-31T16:12:13Z"
          }
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Denver to Athens?",
        "answer": "No nonstop red‑eye flights operate from Denver to Athens, but several one‑stop connecting itineraries include an overnight long‑leg. Lufthansa offers the earliest departures from Denver, with a 4:15 PM flight to Munich arriving at 10:00 AM and a 5:40 PM flight to Frankfurt arriving at 11:15 AM, both connecting onward to Athens. British Airways has a 6:40 PM departure from Denver to London Heathrow arriving at 10:35 AM, also connecting to Athens. Other connections route through Chicago, Montreal, Toronto, Atlanta, Washington D.C., and Philadelphia on United, Air Canada, American, and Delta, with the long overnight leg typically departing between 4:15 PM and 6:40 PM and arriving between 9:10 AM and 11:15 AM — all arrivals land in the morning hours, so they arrive the next morning.",
        "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 Denver to Athens?",
        "answer": "No airline flies nonstop from Denver to Athens. United operates the most common connecting routings, with up to 7 daily one-stop options via Chicago O'Hare, plus connections through Washington Dulles, Munich, Frankfurt, Newark, and London Heathrow. Air Canada flies via Toronto and Montreal up to 6 times daily, and Lufthansa via Frankfurt 6 times daily, with American offering connections through Chicago, Charlotte, and Philadelphia. Delta and Air France also operate one-stop service via Atlanta, New York JFK, and Paris CDG.",
        "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 Denver and Athens?",
        "answer": "Common layovers include Frankfurt, Munich, Istanbul and London, all offering efficient connections and broad onward networks. Frankfurt and Munich provide smooth transfers within the same terminal, Istanbul offers visa‑free transit for many nationalities, and London provides ample flight options."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Athens?",
        "answer": "April to early June and mid-September to October offer mild temperatures and fewer tourists."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Denver to Athens?",
        "answer": "Bring a passport valid for at least three months beyond your planned departure from Greece, any required visa or ETIAS authorization, proof of onward or return travel, a payment method for baggage and any necessary vaccination or insurance documents."
      },
      "q12": {
        "question": "Which airport should I use in Athens?",
        "answer": "Athens is served solely by Athens International Airport Eleftherios Venizelos, the city's only airport, located about 20 km east of the city centre."
      },
      "q13": {
        "question": "How do I get to Denver Intl Airport from the city center?",
        "answer": "Getting from downtown Denver to Denver International Airport is easy via the RTD A Line train, which runs every 15 minutes around the clock and takes about 37 minutes to reach the airport's Transit Center. Ride-share services like Uber and Lyft, along with taxis, are popular for door-to-door convenience and typically take 25-35 minutes, though they cost more than the train. Shared-ride shuttles offer a middle ground for hotel drop-offs or groups, while driving yourself is also an option with several parking choices at the airport.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.flydenver.com/parking-and-transportation/to-and-from/",
            "title": "Getting To and From | Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-05-15T18:36:33Z"
          },
          {
            "url": "https://flydenver.com/parking-and-transportation/to-and-from/public-bus-or-train-rtd",
            "title": "Public Bus or Train | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-05-15T18:47:06Z"
          },
          {
            "url": "https://www.flydenver.com/parking-and-transportation/to-and-from/airport-transit-center/",
            "title": "Airport Transit Center | Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-05-15T18:45:07Z"
          },
          {
            "url": "https://faa.gov/air_traffic/publications/domesticnotices/dom25010_af.html",
            "title": "DENVER INTERNATIONAL AIRPORT (KDEN) standard taxi routes",
            "favicon": "https://faa.gov/air_traffic/publications/domesticnotices/assets/images/favicon.ico"
          },
          {
            "url": "https://www.fly.faa.gov/fly/flyfaa/flyfaaindex?ARPT=DEN&p=1",
            "title": "Denver International Airport"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Athens airport?",
        "answer": "Athens International Airport has the Sofitel Athens Airport located just 50 metres opposite the main terminal, about a two-minute walk away. There are no transit hotels or in-terminal sleep cabins, but day rooms are available. Several other nearby hotels, such as Zed Smart Property by Airstay and Peri's Hotel, are reachable by shuttle or a short drive.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "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": "https://sleepinginairports.net/lounges/athens-airport-lounges.htm",
            "title": "Athens   Airport Lounges (ATH) – Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Eleftherios Venizelos Intl Airport?",
        "answer": "Athens International Airport (Eleftherios Venizelos) offers currency exchange offices and free Wi‑Fi throughout the terminal, with exchange desks located in both the departures and arrivals levels. Prayer rooms or chapels are available within the airport for quiet reflection and worship. These facilities are positioned across the main terminal, ensuring easy access whether you are arriving from Denver or departing for your next destination.",
        "toolsUsed": [
          "article_lookup"
        ],
        "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",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-22T13:47:24Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_International_Airport",
            "title": "Athens International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-07T09:52:13Z"
          },
          {
            "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/Ellinikon_International_Airport",
            "title": "Ellinikon International Airport",
            "time_published": "2026-07-07T17:38:23Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Denver and Athens airports?",
        "answer": "Denver International Airport provides electric carts to transport elderly or disabled passengers to airline gates, accessible parking across all airport-owned facilities, and a Hidden Disabilities Sunflower Lanyard Program for travelers with non-visible disabilities. Airport Butler is also available to assist with luggage, security navigation, and ground transportation. Athens International Airport has a main terminal and satellite terminal connected by an underground link with moving walkways, and the adjacent railway station offers step-free access via lifts and escalators. We recommend arranging mobility assistance through your airline at least 48 hours before departure.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flydenver.com/at-the-airport/services-and-amenities/accessibility-services",
            "title": "Accessibility and Mobility | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-08-10T20:24:04Z"
          },
          {
            "url": "https://www.flydenver.com/event/61719/",
            "title": "Accessibility Resource Fair | Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-07-22T17:07:58Z"
          },
          {
            "url": "https://flydenver.com/about-den/facilities",
            "title": "Airport Facilities and Grounds | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-08-03T22:42:42Z"
          },
          {
            "url": "https://airporttech.tc.faa.gov/Products/Databases/Denver-Instrumentation/Browse-Database/Weather",
            "title": "AirportTech > Products > Databases  > Denver Instrumentation > Browse Database > Weather",
            "favicon": "https://airporttech.tc.faa.gov/Portals/0/favicon-FAA.ico?ver=L21jzf-llJYYjFtxLcsyqg%3d%3d"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Denver_International_Airport",
            "title": "Denver International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-11T12:43:01Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_Airport_station",
            "title": "Athens Airport station",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-22T13:47:24Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Athens_International_Airport",
            "title": "Athens International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-07T09:52:13Z"
          },
          {
            "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"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Denver to Athens?",
        "answer": "There is no nonstop service from Denver to Athens; all flights connect. United operates the most connections, using Boeing 787-10s via Chicago, Newark, or Munich, plus Boeing 787-9s via Munich or Frankfurt, and Boeing 777s via Washington. American Airlines flies Boeing 787-8s via Chicago or Philadelphia, Lufthansa uses Airbus A350-900s via Munich or Frankfurt, Air Canada uses Boeing 777-300ERs via Montreal or Boeing 777-200LRs via Toronto, Turkish Airlines uses Airbus A350-900s via Istanbul, Delta uses Airbus A330-900 Neo or A330-300 via New York, and British Airways uses an Airbus A350-1000 via London.",
        "methodology": "Aircraft types 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). For U.S. routes the type is grounded in the tail number that actually operated the flight; elsewhere it comes from the airline's filed equipment code. Where the source does not commit to a specific variant we name the aircraft family (for example Airbus A320 family) rather than guess, and where no reliable type is on file the aircraft is omitted rather than estimated. Types describe typical scheduled equipment and can vary with seasonal or day-of-week assignments and last-minute swaps.",
        "toolsUsed": [
          "route_aircraft"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Denver?",
        "answer": "Denver International Airport offers several lounge options for departing travelers. American Airlines Admirals Club is near Gate C-32 on the mezzanine level, the American Express Centurion Lounge is on the C Gates mezzanine near Gate C-46, and the Capital One Lounge is near Gate A-34 on the mezzanine level. Delta Sky Club is past security at the north end of Concourse A on the bridge from Jeppesen Terminal. United operates multiple clubs, including United Club A Gates West near Gate A-25, United Club B Gates East near Gate B-44, and United Club B Gates West near Gate B-32, though the B Gates West location is temporarily closed. A USO facility is also available on Level 4 above the mezzanine in the center of Concourse A.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flydenver.com/at-the-airport/lounge-areas",
            "title": "Denver Airport Lounges | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-08-03T22:37:03Z"
          },
          {
            "url": "https://www.flydenver.com",
            "title": "Denver International Airport | DEN",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-09-08T14:54:34Z"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/DEN",
            "title": "American Express Lounges at Denver International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/united-states-of-america/denver-international",
            "title": "Denver International Airport DEN Lounges - DEN Airport Guide and lounges. | Priority Pass",
            "favicon": "https://my.prioritypass.com/icon.png?a4ff481221414a5c"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Denver to Athens?",
        "answer": "Baggage rules for Denver–Athens depend on the airline and fare class. Basic economy often excludes a checked bag, while standard international economy usually includes one checked bag up to 23 kg and a personal item plus a carry‑on. Premium cabins provide higher allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Denver to Athens?",
        "answer": "Flights from Denver to Athens usually offer Economy and flat-bed Business class, with Premium Economy available on select connecting itineraries."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies differ by airline and fare type; flexible and premium cabin tickets often permit same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}