{
  "response": {
    "Key": "LIS-DFW",
    "orig": {
      "code": "LIS",
      "type": "airport",
      "city": "Lisbon",
      "fullCity": "Lisbon, Portugal",
      "airport": "Humberto Delgado Airport"
    },
    "dest": {
      "code": "DFW",
      "type": "airport",
      "city": "Dallas",
      "fullCity": "Dallas, Texas",
      "airport": "Dallas Fort Worth Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Lisbon to Dallas?",
        "answer": "The flight from Lisbon to Dallas covers about 4,740 miles. No nonstop service is scheduled on this route, so a connection is required; a typical one-stop journey takes approximately 13 to 16 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 Lisbon to Dallas?",
        "answer": "There are no nonstop flights from Lisbon to Dallas. The shortest one-stop connections are via London Heathrow (LHR) on American Airlines (operated by British Airways on the first leg) at about 13 hours total, or via Madrid (MAD) on Iberia at roughly 13½ hours — both with a single layover under three hours. Other one-stop options route through Philadelphia, Frankfurt, Montreal, Toronto, Istanbul, Washington Dulles, Miami, or Newark, typically taking 14 to 18 hours depending on the connection.",
        "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.",
        "toolsUsed": [
          "route_airlines",
          "flight_schedule"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Dallas?",
        "answer": "Dallas/Fort Worth International Airport offers several ways to reach the city center. The DART Orange Line light rail runs from Terminal A to downtown Dallas, while TEXRail and the TRE connect to Fort Worth and the wider region; ride-share, taxis, and an on-site rental car center with 11 companies are also available. Most travelers use ride-share or a rental car for door-to-door flexibility, but the DART Orange Line is the most-used single public-transit option for downtown Dallas, taking roughly 50 minutes. For speed, a taxi or ride-share is fastest during off-peak hours, though rail avoids traffic. All options are reliable, with rail offering the best value.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://dfwairport.com/explore/transportation/publictransit",
            "title": "DFW International Airport | Public Transit",
            "favicon": "https://dfwairport.com/apple-touch-icon.png"
          },
          {
            "url": "https://dfwairport.com/explore/transportation",
            "title": "Airport Ground Transportation | DFW Airport",
            "favicon": "https://dfwairport.com/apple-touch-icon.png"
          },
          {
            "url": "https://dfwairport.com/explore/plan/connect",
            "title": "DFW International Airport | Connect/Transfer at DFW",
            "favicon": "https://dfwairport.com/apple-touch-icon.png"
          },
          {
            "url": "https://dfwairport.com/explore/transportation/rentalcars",
            "title": "DFW International Airport | Rent a Car at DFW",
            "favicon": "https://dfwairport.com/apple-touch-icon.png"
          },
          {
            "url": "https://www.dfwairport.com/",
            "title": "Welcome to Dallas Fort Worth International Airport",
            "favicon": "https://www.dfwairport.com/apple-touch-icon.png",
            "time_published": "2026-09-15T00:00:00Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Lisbon to Dallas?",
        "answer": "Average fares from Lisbon to Dallas bottom out around $383 in late January, making that the cheapest stretch to fly. The cheapest months overall are January ($398), February ($400), and September ($403), while the most expensive period is late December, when average fares climb to $514.",
        "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 Lisbon to Dallas?",
        "answer": "For flights from Lisbon to Dallas, the best fares are typically found when booking 4-6 weeks before departure, with the absolute cheapest single day being 30 days out at $384. Booking too far in advance (e.g. 180 days) pushes prices up to around $610, so waiting too long also raises costs — aim for roughly a month ahead for the lowest prices. During summer and holiday periods, demand is higher, so it's wise to book a bit earlier within that window to lock in better fares.",
        "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 Lisbon to Dallas?",
        "answer": "No overnight (red-eye) flights are available from Lisbon to Dallas — neither nonstop nor connecting itineraries with a red-eye long leg operate on this route.",
        "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 Lisbon to Dallas?",
        "answer": "There is no nonstop service from Lisbon to Dallas. Common one-stop connections are offered by American Airlines (via London Heathrow or Philadelphia), Iberia (via Madrid), British Airways (via London Heathrow), Air Canada (via Toronto or Montreal), Lufthansa (via Frankfurt), United (via Washington Dulles or Newark), Turkish Airlines (via Istanbul), and TAP Air Portugal (via Miami). American Airlines via London Heathrow is the most frequent pattern, with around 13 daily connections, followed by Iberia via Madrid with about 10. Typical per-carrier fares aren't available for this route, so I can't provide median prices.",
        "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 Lisbon and Dallas?",
        "answer": "Common layover cities for this route include Madrid, London, Paris, and Philadelphia. Madrid offers the most direct routing with minimal added flight time. London and Paris provide extensive transatlantic networks and frequent onward flights. Philadelphia, as an American Airlines hub, enables efficient connections and U.S. pre‑clearance for smoother arrival in Dallas."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Dallas?",
        "answer": "March to May and October to November offer pleasant temperatures and fewer visitors, avoiding summer heat and crowds."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Lisbon to Dallas?",
        "answer": "Bring a passport valid for at least six months, an ESTA authorization, proof of COVID-19 vaccination if required, and a payment method for baggage. Carry evidence of onward or return travel."
      },
      "q12": {
        "question": "Which airport should I use in Dallas?",
        "answer": "Dallas Fort Worth International is the primary airport for the region, serving as a major hub for American Airlines and offering extensive domestic and international connections. It is located roughly midway between Dallas and Fort Worth. Dallas Love Field is closer to downtown Dallas and primarily serves Southwest Airlines with domestic flights."
      },
      "q13": {
        "question": "How do I get to Humberto Delgado Airport from the city center?",
        "answer": "From downtown Lisbon, the fastest and most popular way to reach Humberto Delgado Airport is the Metro's Red Line, with Aeroporto station right at Terminal 1 and a ride of about 20 minutes using a Viva Viagem card or contactless payment. City buses (Carris) also stop at the arrivals area and connect to Marquês de Pombal and Amoreiras, with night routes to Baixa, Cais do Sodré, and Gare do Oriente. Taxis are available 24/7 outside arrivals and take roughly 15 minutes to the center, while ride-share services operate similarly. Driving is straightforward via major highways, with ANA operating several covered and open parking areas plus valet and car hire; the metro is usually cheapest, taxis and ride-shares are moderately priced, and parking is the most costly.",
        "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"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Dallas airport?",
        "answer": "Dallas/Fort Worth International Airport has several on-site and connected sleeping options. The Grand Hyatt DFW is located inside Terminal D, and the Hyatt Regency DFW is adjacent to Terminal C with a free 24-hour shuttle. Airside travellers can also use Minute Suites locations in Terminals A and D, which offer private suites with daybeds and overnight rates.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/dallas-fort-worth-airport-guide.htm",
            "title": "Dallas - Fort Worth Airport Guide (DFW) - 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": "2018-10-02T00:00:31Z"
          },
          {
            "url": "https://sleepinginairports.net/reviews/dallas-fort-worth-airport-reviews.htm",
            "title": "Dallas - Fort Worth   Airport Reviews (DFW) – 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 Dallas Fort Worth Intl Airport?",
        "answer": "Dallas Fort Worth International Airport offers free Wi-Fi throughout all terminals, along with a variety of currency exchange offices and prayer rooms or chapels for travelers. Currency exchange services are located in multiple terminals, including near international arrivals in Terminal D, while prayer rooms and chapels are also available across the airport complex. The airport's amenities are connected inside security by the Skylink train, making it easy to reach these services from any gate.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.dfwairport.com/",
            "title": "Welcome to Dallas Fort Worth International Airport",
            "favicon": "https://www.dfwairport.com/apple-touch-icon.png",
            "time_published": "2026-09-15T00:00:00Z"
          },
          {
            "url": "https://www.dfwairport.com/explore/lounges/",
            "title": "Lounges to relax and escape the hustle and bustle | DFW Airport",
            "favicon": "https://www.dfwairport.com/apple-touch-icon.png"
          },
          {
            "url": "https://www.dfwairport.com/shop-dine-services/",
            "title": "DFW International Airport | Shop, Dine & Services",
            "time_published": "2024-10-09T00:00:00Z"
          },
          {
            "url": "https://www.dfwairport.com/business/about/facts/",
            "title": "Airport Facts & Figures Overview | DFW Airport",
            "favicon": "https://www.dfwairport.com/apple-touch-icon.png"
          },
          {
            "url": "https://dfwairport.com/explore/plan/hotels",
            "title": "Where to Stay Near the Airport | DFW Airport",
            "favicon": "https://dfwairport.com/apple-touch-icon.png"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Lisbon and Dallas airports?",
        "answer": "At Dallas/Fort Worth International Airport (DFW), accessible services include accessible parking, 24-hour demand-responsive wheelchair-accessible van service, unisex accessible toilet rooms throughout the terminals, and an ADA coordinator at (972) 973-5650; the GoodMaps app offers accessible wayfinding. At Lisbon Portela Airport (LIS), general information mentions shuttle and taxi services but does not detail specific mobility assistance programs or children's play areas in the available data. Travelers needing assistance should contact their airline or the airport's accessibility office at least 48 hours in advance, as is standard practice.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "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/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/Port_of_Lisbon",
            "title": "Port of Lisbon",
            "time_published": "2026-05-17T01:54:27Z"
          },
          {
            "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://dfwairport-prd-dfw-vip.dfwairport.com/accessibility/index.php/1000",
            "title": "DFW International Airport | Accessibility"
          },
          {
            "url": "https://www.dfwairport.com/explore/plan/assist/accessibility/",
            "title": "Airport Accessibility Services | DFW Airport",
            "favicon": "https://www.dfwairport.com/apple-touch-icon.png"
          },
          {
            "url": "https://dfwairport.com/dps/police",
            "title": "Airport Police | DFW Airport",
            "favicon": "https://dfwairport.com/apple-touch-icon.png"
          },
          {
            "url": "https://www.dfwairport.com/",
            "title": "Welcome to Dallas Fort Worth International Airport",
            "favicon": "https://www.dfwairport.com/apple-touch-icon.png",
            "time_published": "2026-09-15T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Dallas_Fort_Worth_International_Airport",
            "title": "Dallas Fort Worth International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-11T13:38:24Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Lisbon to Dallas?",
        "answer": "There is no nonstop service from Lisbon to Dallas. Connecting itineraries typically use Boeing 787-9s on British Airways or American Airlines via London Heathrow, Airbus A330-900 Neos on TAP Air Portugal via Miami, and Boeing 777-200s on American via Madrid. Other connecting aircraft include Boeing 787-10s on United via Newark, Airbus A330-300s on Air Canada via Montreal, and Boeing 777-300ERs on American via Philadelphia or Turkish Airlines via Istanbul.",
        "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"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from Lisbon to Dallas?",
        "answer": "Both oneworld and Star Alliance serve the Lisbon to Dallas route through connecting itineraries. oneworld is represented by American Airlines, British Airways, and Iberia; Star Alliance is represented by Lufthansa, Air Canada, Turkish Airlines, United, and TAP Air Portugal. No SkyTeam carriers appear among the connecting options, and JetBlue — which operates a short connecting leg on one itinerary — is not part of any alliance.",
        "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 Lisbon?",
        "answer": "The ANA Lounge in Terminal 1 is the main lounge option when departing from Lisbon. It's open from 04:00 to 23:00 and is accessible to Priority Pass and American Express Platinum Card members, among others.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://prioritypass.com/en-GB/lounges/portugal/lisbon-portela",
            "title": "Lisbon Airport LIS Lounges - LIS Airport Guide and lounges. | Priority Pass",
            "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c",
            "time_published": "2026-06-30T08:24:25Z"
          },
          {
            "url": "https://prioritypass.com/de-DE/lounges/portugal/lisbon-portela",
            "title": "Lisbon Airport LIS Lounges - LIS Airport Guide and lounges. | Priority Pass",
            "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/LIS",
            "title": "American Express Lounges at Lisbon Portela Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://americanexpress.com/en-ca/travel/lounges/the-platinum-card/LIS",
            "title": "American Express Lounges at Lisbon Portela Airport | Amex CA",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://aa.com/i18n/travelInformation/destinationInformation/lis-airport.jsp",
            "title": "Lisbon, Portugal (LIS)",
            "favicon": "https://aa.com/content/images/chrome/rebrand/favicon.png"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Lisbon to Dallas?",
        "answer": "On Lisbon–Dallas flights, baggage rules differ by airline and fare type. Basic Economy tickets often exclude checked luggage, while standard international economy usually includes one checked bag and a carry‑on. Premium cabins provide higher allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Lisbon to Dallas?",
        "answer": "Flights from Lisbon to Dallas generally offer Economy and flat-bed Business class, while Premium Economy is 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 permit same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}