{
  "response": {
    "Key": "CLT-LIS",
    "orig": {
      "code": "CLT",
      "type": "airport",
      "city": "Charlotte",
      "fullCity": "Charlotte, North Carolina",
      "airport": "Douglas Intl Airport"
    },
    "dest": {
      "code": "LIS",
      "type": "airport",
      "city": "Lisbon",
      "fullCity": "Lisbon, Portugal",
      "airport": "Humberto Delgado Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Charlotte to Lisbon?",
        "answer": "Charlotte to Lisbon is about 3,870 miles. There is no scheduled nonstop service on this route, so a connection is required; a typical one-stop journey takes roughly 10 to 12 hours total, depending on the layover.",
        "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 Charlotte to Lisbon?",
        "answer": "There are no nonstop flights from Charlotte to Lisbon. The most frequent one-stop routings connect through Newark (UA), Philadelphia (AA), or London Heathrow (AA/BA), with total travel times typically around 10 to 12 hours including the layover. The shortest option is usually via Philadelphia on American, with a flight time of about 8 hours 40 minutes plus a short layover.",
        "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. 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. 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": [
          "route_airlines",
          "route_aircraft",
          "redeye_flights"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Lisbon?",
        "answer": "Lisbon Airport offers several ground transportation options to the city center: the Metro (Red Line, about 20 minutes to downtown), Carris city buses and night routes, 24-hour metered taxis (about 15 minutes to the center), and car rentals or valet parking via major highways. The Metro is generally the most-used and reliable option for travelers, while taxis are the fastest door-to-door. The former Aerobus shuttle was discontinued in 2023, and ride-share services are not explicitly listed in the available data, though taxis serve as the primary on-demand option.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Lisbon_Airport",
            "title": "Lisbon Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-14T10:27:02Z"
          },
          {
            "url": "https://lisbon-lis.airports-guides.com",
            "title": "Lisbon Portela Airport (LIS) Information: LIS Airport in Lisbon Area, Portugal",
            "favicon": "http://www.airports-guides.com/favicon.ico"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transport_in_Portugal",
            "title": "Transport in Portugal",
            "time_published": "2026-05-04T23:32:13Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Lisbon_Metro_Red_Line",
            "title": "Lisbon Metro Red Line",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-05-25T05:54:05Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Trams_in_Lisbon",
            "title": "Trams in Lisbon",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-08-15T23:13:49Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Charlotte to Lisbon?",
        "answer": "Average fares from Charlotte to Lisbon bottom out around $464 in late January, making that the cheapest stretch to fly. The cheapest months overall are February, September, and January, with average round-trip fares of $478, $485, and $488 respectively. The most expensive period is late December, when average fares climb to about $610.",
        "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"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Charlotte to Lisbon?",
        "answer": "For Charlotte to Lisbon, the optimal booking window is roughly 4–6 weeks before departure, with the best single fare around 35 days ahead at about $462. Booking too early, like 180 days out, can cost over $730, while waiting until the last week pushes prices back above $550. For summer or holiday travel, you should book earlier than the typical window because peak-season demand usually raises fares and reduces availability.",
        "methodology": "Booking-window guidance comes from the same monthly in-house analysis of Priceline's own air booking-summary archive. We aggregate the route's bookings by how many days before departure they were made, from about 180 days out to the day of travel, smooth the curve, and highlight the stretch of lead times with the lowest average fare. Thin and international routes borrow the curve shape from the nearest busy routes, anchored to the route's own price level. It reflects current fares and is refreshed monthly.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Charlotte to Lisbon?",
        "answer": "No nonstop red‑eye flights operate from Charlotte to Lisbon, but connecting itineraries whose long leg is an overnight flight are available. The most direct options connect via Philadelphia (AA, departing CLT around 8 PM, overnight leg PHL–LIS departs 21:05 and arrives 09:05 the next morning) or via Newark (UA, overnight leg EWR–LIS departs 20:25 and arrives 08:20). Other connections route through Washington Dulles, London Heathrow, Munich, Boston, or Toronto, with the overnight transatlantic leg typically departing between 6 PM and 11 PM and arriving in Lisbon between 5:40 AM and 11:05 AM.",
        "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 Charlotte to Lisbon?",
        "answer": "There is no nonstop service from Charlotte to Lisbon. The most common one-stop routings are via Newark (United, up to 10 daily connections), London Heathrow (American/British Airways, 8 daily), Philadelphia (American, 7 daily), Washington Dulles (United, 5 daily), and Madrid (American/Iberia, 5 daily). Other carriers like Air Canada (via Toronto), Lufthansa (via Munich), TAP Air Portugal (via Boston or Washington Dulles), and Delta (via Boston) offer fewer connections. Per-carrier fares are not provided for these connecting patterns.",
        "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 Charlotte and Lisbon?",
        "answer": "Common layover cities between Charlotte and Lisbon include Philadelphia, Newark, Boston, and Madrid. Philadelphia and Newark offer efficient American Airlines and United hubs with extensive domestic and international connections. Boston provides a competitive option with Delta and TAP Air Portugal, while Madrid serves as a major European gateway with seamless Iberia connections and visa-free transit for many nationalities."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Lisbon?",
        "answer": "May, June, and September offer pleasant temperatures and fewer tourists than the busy summer months."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Charlotte to Lisbon?",
        "answer": "Bring a passport valid for at least three months beyond your stay, proof of onward or return travel, and a payment method for baggage. U.S. citizens do not need a visa for short visits, but starting in 2025 an ETIAS authorization will be required."
      },
      "q12": {
        "question": "Which airport should I use in Lisbon?",
        "answer": "Lisbon has one airport, Humberto Delgado Airport, located just 7 km from the city centre, making it convenient for reaching downtown and major attractions."
      },
      "q13": {
        "question": "How do I get to Douglas Intl Airport from the city center?",
        "answer": "Charlotte Douglas International Airport (CLT) is about 7 miles west of Uptown Charlotte, and the most popular ways to get there are by ride-share, taxi, or driving yourself. Public transit via CATS buses and the LYNX Blue Line light rail reaches the airport area but requires a bus transfer from the nearest station, so it's slower and less convenient than a car. Taxis are readily available on the Arrivals level and charge a flat $32 fare to Uptown, while ride-share apps like Uber and Lyft have designated pickup zones and are often the fastest door-to-door option. Driving is easy with several on-airport parking decks and lots, and rental car returns are also on-site, but you'll pay for parking and should allow extra time for traffic on I-85 or Billy Graham Parkway.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.cltairport.com/to-and-from/taxis-and-taxi-rates/",
            "title": "Taxis & Taxi Rates - Charlotte Douglas International Airport",
            "favicon": "https://www.cltairport.com/cltairport.png"
          },
          {
            "url": "https://www.cltairport.com/airport-info/website-maps/",
            "title": "Airport Maps - Charlotte Douglas International Airport",
            "favicon": "https://www.cltairport.com/cltairport.png"
          },
          {
            "url": "https://cltairport.com/to-and-from/rental-cars",
            "title": "Rental Cars – Charlotte Douglas International Airport",
            "favicon": "https://cltairport.com/cltairport.png"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation_in_Charlotte,_North_Carolina",
            "title": "Transportation in Charlotte, North Carolina",
            "time_published": "2026-03-21T17:16:29Z"
          },
          {
            "url": "https://www.fly.faa.gov/fly/flyfaa/flyfaaindex?ARPT=CLT&p=1",
            "title": "Charlotte Douglas International Airport"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Lisbon airport?",
        "answer": "Lisbon Airport has two hotels right at the airport, both next to Terminal 1 and within walking distance: the upscale Melia Lisboa Aeroporto Hotel and the mid-range Star Inn Lisboa. Both offer an airport shuttle. Additional hotels are within a short drive, including Avalade Palace, Holiday Inn Express Lisbon Airport, B&B Hotel Lisboa Aeroporto, and ibis Styles Lisboa Aeroporto.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/lisbon-airport-guide.htm",
            "title": "Lisbon Airport Guide (LIS) - 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": "2018-09-02T00:00:05Z"
          },
          {
            "url": "https://www.sleepinginairports.net/hotels/lisbon-airport-hotels.htm",
            "title": "Lisbon Airport Guide (LIS) - Sleeping in Airports",
            "time_published": "2026-04-13T18:11:40Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Lisbon_Airport",
            "title": "Lisbon Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-14T10:27:02Z"
          },
          {
            "url": "https://all.accor.com/hotel/B9Q0/index.nl.shtml",
            "title": "ibis Styles Lisboa Aeroporto - ALL"
          },
          {
            "url": "https://all.accor.com/hotel/B9Q0/index.fr.shtml",
            "title": "ibis Styles Lisboa Aeroporto - ALL"
          },
          {
            "url": "https://ihg.com/intercontinental/hotels/gb/en/lisbon/lisha/hoteldetail",
            "title": "Luxury 5-Star Hotel: InterContinental Hotel Lisbon",
            "favicon": "https://digital.ihg.com/is/image/ihg/app-web-chiclet-intercontinental?fmt=png-alpha"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Humberto Delgado Airport?",
        "answer": "Humberto Delgado Airport in Lisbon has currency exchange offices and ATMs available in both terminals, including the arrivals and departure areas. Prayer rooms or chapels are not explicitly listed in the airport's public amenities, though there is a quiet room in Terminal 1. Free Wi-Fi is offered throughout the airport, typically accessible after a simple registration or login.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Lisbon_Airport",
            "title": "Lisbon Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-14T10:27:02Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/List_of_the_busiest_airports_in_Portugal",
            "title": "List of the busiest airports in Portugal",
            "time_published": "2025-05-22T19:00:42Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Lisbon_Luís_de_Camões_Airport",
            "title": "Lisbon Luís de Camões Airport",
            "time_published": "2026-07-07T19:34:51Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Charlotte and Lisbon airports?",
        "answer": "Charlotte Douglas International Airport provides accessible rental cars (request at least 48 hours in advance), complimentary accessible shuttle service, and assistance via 704.359.4038; it complies with the ADA and accepts accommodation requests at ADACoordinator@cltairport.com. Lisbon Humberto Delgado Airport's published accessibility details are limited in the available references, though it offers standard services through ANA Aeroportos de Portugal; specific children's play areas or dedicated disability programs are not documented in the current data. For mobility assistance at either airport, contact the airport or your airline at least 48 hours before departure.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://cltairport.com/airport-info/accessibility/accessible-parking/accessible-ground-transportation/",
            "title": "Accessible Ground Transportation - Charlotte Douglas International Airport",
            "favicon": "https://cltairport.com/cltairport.png",
            "time_published": "2026-03-09T15:43:51Z"
          },
          {
            "url": "http://www.cltairport.com/airport-info/accessibility/",
            "title": "Accessibility and Nondiscrimination - Charlotte Douglas International Airport",
            "favicon": "http://www.cltairport.com/cltairport.png",
            "time_published": "2026-03-09T15:41:04Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Charlotte_Army_Airbase",
            "title": "Charlotte Douglas International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2003-07-10T01:30:25Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Charlotte/Douglas_International_Airport",
            "title": "Charlotte Douglas International Airport - Wikipedia",
            "time_published": "2003-07-10T00:00:00Z"
          },
          {
            "url": "https://www.faa.gov/air_traffic/flight_info/aeronav/procedures/application/index.cfm?event=directory&directory=6AF926197A2A4001802409F21DDE437A-CLT&type=acifp&nasrId=CLT",
            "title": "USA Banner",
            "time_published": "2025-06-26T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Lisbon_Airport",
            "title": "Lisbon Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-14T10:27:02Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Lisbon_Luís_de_Camões_Airport",
            "title": "Lisbon Luís de Camões Airport",
            "time_published": "2026-07-07T19:34:51Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Lisbon_Bridge_(Lisbon,_North_Dakota)",
            "title": "Lisbon Bridge (Lisbon, North Dakota)",
            "time_published": "2025-07-24T05:33:43Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Aeroporto_Station_(Lisbon_Metro)",
            "title": "Aeroporto Station (Lisbon Metro)",
            "time_published": "2025-03-31T19:23:49Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Charlotte to Lisbon?",
        "answer": "There is no nonstop service from Charlotte to Lisbon, so all flights connect. American Airlines most often uses Boeing 777-200 and 777-300ER on the long transatlantic leg via London Heathrow or Philadelphia, and Boeing 787-9 via Philadelphia. United uses Boeing 787-10 via Newark and Boeing 777 via Washington Dulles, while Delta and TAP Air Portugal use Airbus A330-900 Neo and A321-200 Neo respectively on their connecting routes.",
        "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 Charlotte?",
        "answer": "Charlotte Douglas International Airport has several lounge options for departing passengers, including two Admirals Club locations in Concourse B and Concourse D, both offering complimentary food and drinks, a full service bar, Wi-Fi, and conference rooms. There is also a Provisions by Admirals Club near Gate A1 in Concourse A with complimentary food and non-alcoholic drinks. The Club CLT in Concourse A offers spirits, beer, wine, showers for a fee, children's rooms, Wi-Fi, TVs, and flight monitors, with access up to three hours before departure. A Centurion Lounge is located in Concourse D/E, and Delta Sky Club is available in Concourse A. Minute Suites are available in the Main Atrium and Concourse D/E Connector for rest and recharge.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/CLT",
            "title": "American Express Lounges at Charlotte Douglas International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://www.cltairport.com/airport-info/website-maps/",
            "title": "Airport Maps - Charlotte Douglas International Airport",
            "favicon": "https://www.cltairport.com/cltairport.png"
          },
          {
            "url": "https://americanexpress.com/en-ca/travel/lounges/the-platinum-card/CLT/The-Club-CLT-Main-Terminal-Concourse-A-yio41B7H6z",
            "title": "The Club CLT at Charlotte Douglas International Airport | Amex CA",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://prioritypass.com/en-GB/lounges/united-states-of-america/charlotte-douglas-international",
            "title": "Charlotte-Douglas International Airport CLT Lounges - CLT Airport Guide and lounges. | Priority Pass",
            "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c"
          },
          {
            "url": "https://aa.com/i18n/travelInformation/airportAmenities/clt-club.jsp",
            "title": "Charlotte, NC (CLT)",
            "favicon": "https://aa.com/content/images/chrome/rebrand/favicon.png"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Charlotte to Lisbon?",
        "answer": "Baggage rules depend on the airline and fare type. Basic economy often excludes a checked bag, while standard economy typically includes one free checked bag and a carry‑on. Premium cabins offer more generous allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Charlotte to Lisbon?",
        "answer": "Flights from Charlotte to Lisbon typically offer Economy and flat‑bed Business class; Premium Economy is available on select connecting itineraries but not on nonstop routes."
      },
      "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."
      }
    }
  }
}