{
  "response": {
    "Key": "DFW-LIS",
    "orig": {
      "code": "DFW",
      "type": "airport",
      "city": "Dallas",
      "fullCity": "Dallas, Texas",
      "airport": "Dallas Fort Worth Intl Airport"
    },
    "dest": {
      "code": "LIS",
      "type": "airport",
      "city": "Lisbon",
      "fullCity": "Lisbon, Portugal",
      "airport": "Humberto Delgado Airport"
    },
    "faq": {
      "q1": {
        "question": "Are there any direct flights from Dallas to Lisbon?",
        "answer": "There are no nonstop flights from Dallas–Fort Worth to Lisbon. The shortest one‑stop routings typically connect via Madrid on Iberia (about 12½ hours total) or via Philadelphia on American (around 11½ hours), with most itineraries taking roughly 15 to 16 hours. Fares start around $718 round‑trip, and the cheapest carriers by median price are United and Air Canada, both near $1,035–$1,080.",
        "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. Stop counts, connecting hubs, and per-airline prices are drawn from a large sample of the real fares Priceline users found on this route in the last 72 hours. We group those fares by number of stops, by the hub airport a connection routes through, and by operating airline, and report each group's share of the sample alongside its lowest and median price.",
        "toolsUsed": [
          "route_airlines",
          "flight_schedule",
          "route_options"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Dallas to Lisbon?",
        "answer": "For United States citizens, no visa is required for a short tourist visit to Portugal. The permitted length of stay is 90 days within any 180-day period.\n\nA quick note: this is general guidance to help you plan, not official immigration advice — entry rules can change and can depend on your nationality and circumstances, so please confirm the current requirements with the relevant embassy or official government source before you travel.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Visa_policy_of_the_Schengen_Area",
            "title": "Visa policy of the Schengen Area",
            "favicon": "https://en.wikipedia.org/static/favicon/wikipedia.ico"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Visa_policy_of_Portugal",
            "title": "Visa policy of Portugal",
            "favicon": "https://en.wikipedia.org/static/favicon/wikipedia.ico"
          },
          {
            "url": "https://www.gov.uk/foreign-travel-advice/portugal/entry-requirements",
            "title": "Portugal entry requirements — GOV.UK",
            "favicon": "https://www.gov.uk/favicon.ico"
          }
        ],
        "preopenedReferences": true,
        "stageOnly": true
      },
      "q3": {
        "question": "What are the ground transportation options in Lisbon?",
        "answer": "Getting from Lisbon Airport to the city center is quick and easy, with the Aeroporto metro station right at Terminal 1 reaching downtown in about 20 minutes. Taxis are available 24 hours a day outside arrivals and take roughly 15 minutes to the center, making them the fastest and most convenient option for many travelers. Carris city buses also stop at the airport and connect to Marquês de Pombal and Amoreiras, with night routes serving Baixa, Cais do Sodré, and Gare do Oriente. The metro is the most-used option given its direct connection and frequent service, while car rentals and chauffeur services are available for those who want their own vehicle. For onward travel, Gare do Oriente station is about 10 minutes away by metro for trains to the rest of Portugal.",
        "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 Dallas to Lisbon?",
        "answer": "Average fares from Dallas to Lisbon bottom out around $383 in late January. The cheapest months overall are January ($398), February ($400), and September ($403), while the most expensive period is late December, averaging $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 Dallas to Lisbon?",
        "answer": "For Dallas to Lisbon, the optimal booking window is roughly 4–6 weeks before departure, with average fares around $387 and the single cheapest day at 30 days out ($384). Booking too early is costly — 180 days ahead averages $610 — and last-minute bookings (0–5 days) also climb back above $450. During peak summer and holiday travel periods, that 4–6 week window tends to compress, so aiming for 6–10 weeks ahead is safer for the best fare.",
        "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 Dallas to Lisbon?",
        "answer": "No nonstop red-eyes operate from Dallas to Lisbon, but connecting one-stop itineraries with an overnight long leg are available. The most direct overnight options route through Madrid on American Airlines (departing Dallas at 4:45 PM, arriving Madrid at 9:05 AM, with a short Iberia connection), through London Heathrow on British Airways (departing 7:40 PM, arriving 10:55 AM), or through Frankfurt on Lufthansa (departing 4:00 PM, arriving 8:55 AM); other connections via Philadelphia, Boston, Toronto, Washington Dulles, Newark, and New York JFK also exist with overnight transatlantic legs departing between roughly 4 PM and 11 PM and arriving in Lisbon between roughly 8:20 AM and 10:45 AM 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 Dallas to Lisbon?",
        "answer": "There are no nonstop flights from Dallas/Fort Worth (DFW) to Lisbon (LIS). American Airlines and Iberia connect via Madrid (MAD) and Philadelphia (PHL) about 13 times daily combined, with additional one-stop options on British Airways via London Heathrow, Delta via Boston, United via Newark and Washington Dulles, Air Canada via Toronto and Montreal, and Lufthansa via Frankfurt, each operating up to three daily connections. Turkish Airlines also offers a single daily routing via Istanbul. No per-carrier fares are available for 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 Dallas and Lisbon?",
        "answer": "Common layover cities include Madrid, London, Paris, and Frankfurt. Madrid often provides the most direct routing, while London, Paris, and Frankfurt offer extensive onward connections and efficient transfer processes."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Lisbon?",
        "answer": "April to June and September to October offer mild, sunny weather and fewer tourists than summer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Dallas to Lisbon?",
        "answer": "Bring a passport valid for at least three months beyond your stay, proof of onward or return travel, and any required visa or ETIAS authorization. Have a payment method for baggage fees and check if vaccination certificates are needed."
      },
      "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 the only choice for all flights."
      },
      "q13": {
        "question": "How do I get to Dallas Fort Worth Intl Airport from the city center?",
        "answer": "From downtown Dallas, the DART Orange Line light rail runs directly to DFW Terminal A, while the Silver Line from Plano also reaches Terminal B. For Fort Worth, TEXRail connects downtown Fort Worth to Terminal B, and Trinity Railway Express (TRE) links both cities to the CentrePort/DFW station with a shuttle to terminals. Ride-share, taxis, and shuttle buses are available curbside at all terminals, and driving is straightforward via major interstates with on-airport parking that can be prebooked for discounts. The rail options are generally the most popular and cost-effective for downtown travelers, while ride-share or driving is fastest but pricier, especially with parking fees.",
        "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"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Lisbon airport?",
        "answer": "Lisbon Portela Airport has several hotels on-site or directly adjacent to Terminal 1. The Melia Lisboa Aeroporto Hotel and Star Inn Lisboa are both located next to Terminal 1 and within walking distance, with airport shuttle service included. Additional hotels such as the Avalade Palace, Holiday Inn Express Lisbon Airport, B&B Hotel Lisboa Aeroporto, and ibis Styles Lisboa Aeroporto are available within about a mile to a mile and a half of the airport.",
        "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"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Humberto Delgado Airport (Lisbon Portela Airport)?",
        "answer": "Humberto Delgado Airport (Lisbon Portela Airport) offers a range of passenger facilities across its two terminals, with Terminal 1 housing the main commercial and service areas including shops, restaurants, and a large food court. Terminal 2 is smaller and used primarily by low-cost carriers, with standard facilities and a few shops. Free Wi-Fi is available throughout the airport, and currency exchange offices and prayer rooms are provided for travelers.",
        "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/List_of_the_busiest_airports_in_Portugal",
            "title": "List of the busiest airports in Portugal",
            "time_published": "2025-05-22T19:00:42Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Dallas and Lisbon airports?",
        "answer": "Dallas Fort Worth International Airport provides wheelchair-accessible van service on demand 24 hours a day, accessible parking, and unisex accessible toilet rooms throughout the terminals, with the GoodMaps app offering accessible wayfinding and an ADA coordinator available at (972) 973-5650 for assistance requests. Travelers should arrange mobility assistance through their airline at least 48 hours before the flight. Lisbon Portela Airport offers shuttle services to transport travelers around the airport and to locations not served by the aerobuses.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "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"
          },
          {
            "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"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Dallas to Lisbon?",
        "answer": "There is no nonstop service from Dallas to Lisbon. American Airlines operates the most connecting flights, using Boeing 777-300ERs via London, Boeing 787-9s via Philadelphia, and Airbus A330s via Madrid. British Airways uses Boeing 787-10s via London, United uses Boeing 787-10s via Newark and Boeing 777s via Washington, and Iberia uses Airbus A330s via Madrid; Delta, Air France, Lufthansa, TAP Air Portugal, Air Canada, and Finnair also offer connections on their respective widebody aircraft.",
        "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 Dallas to Lisbon?",
        "answer": "Flights from Dallas to Lisbon are served by oneworld (via American Airlines, British Airways, Iberia, or Finnair), Star Alliance (via United, Air Canada, Lufthansa, Turkish Airlines, TAP Air Portugal, or Brussels Airlines), and SkyTeam (via Delta). All major carriers on this route belong to an alliance; there are no unaligned operators like JetBlue or Emirates.",
        "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. Stop counts, connecting hubs, and per-airline prices are drawn from a large sample of the real fares Priceline users found on this route in the last 72 hours. We group those fares by number of stops, by the hub airport a connection routes through, and by operating airline, and report each group's share of the sample alongside its lowest and median price.",
        "toolsUsed": [
          "route_airlines",
          "route_options"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Dallas?",
        "answer": "DFW offers more than 20 lounges and premium spaces, including five Admirals Club lounges, the Flagship Lounge with exclusive Flagship First Dining, and the American Express Centurion Lounge overlooking Terminal D. The Capital One Lounge blends modern design with locally inspired food, while the Chase Sapphire Lounge by The Club and three Plaza Premium lounge experiences, including Plaza Premium First, are also available. PS DFW provides a private terminal experience for commercial travelers seeking added privacy and personalized service. Eligible travelers can access these lounges regardless of where their flight departs, with all spaces conveniently connected inside security by Skylink.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "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/",
            "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.prioritypass.com/en-GB/lounges/united-states-of-america/dallas-fort-worth-international",
            "title": "Dallas/Fort Worth International Airport DFW Lounges - DFW Airport Guide and lounges. | Priority Pass",
            "favicon": "https://www.prioritypass.com/icon.png?a4ff481221414a5c"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/delta-reserve/DFW",
            "title": "American Express Lounges at Dallas-Fort Worth 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/dallas-fort-worth-international",
            "title": "Dallas/Fort Worth International Airport DFW Lounges - DFW Airport Guide and lounges. | Priority Pass",
            "favicon": "https://my.prioritypass.com/icon.png?icon.1k7202wk2zqql.png?dpl=cc035ab9-aab7-4c96-ab16-1cfc898e4f7f"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Dallas to Lisbon?",
        "answer": "Baggage rules depend on the airline and fare type. Basic economy often excludes a checked bag, while standard international economy typically includes one free checked bag and a carry‑on. Premium cabins offer higher allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Dallas to Lisbon?",
        "answer": "Flights from Dallas to Lisbon usually offer 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 depend on the airline and fare class; premium cabins and flexible tickets often allow same‑day changes or standby, while basic economy typically does not."
      }
    }
  }
}