{
  "response": {
    "Key": "HOU-LIS",
    "orig": {
      "code": "HOU",
      "type": "airport",
      "city": "Houston",
      "fullCity": "Houston, Texas",
      "airport": "William P Hobby 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 Houston to Lisbon?",
        "answer": "No nonstop flights are scheduled between Houston Hobby and Lisbon; the route requires a connection. The airports are about 4,780 miles apart. A typical one-stop journey from Houston to Lisbon takes roughly 12 to 15 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 Houston to Lisbon?",
        "answer": "There are no nonstop flights from Houston Hobby (HOU) to Lisbon. The fastest one-stop routings connect through Newark (EWR) with United, taking about 11 hours total (roughly 3h40m to Newark plus a 7-hour transatlantic leg), or through Philadelphia (PHL) with American at around 12 hours. Most itineraries run daily, but exact frequencies vary by carrier and day of the week.",
        "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"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Houston to Lisbon?",
        "answer": "For a United States citizen traveling from Houston to Lisbon, no visa is required for a short tourist visit. You may stay in Portugal for up to 90 days within any 180-day period without a visa.\n\nThis 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": "Lisbon Airport offers several ground transportation options to the city center: the Metro's Red Line (Aeroporto station) reaches downtown in about 20 minutes and is the most used option, with contactless payment accepted at gates. Taxis are available 24/7 and take roughly 15 minutes to the center, while Carris city buses and shuttle services also run from arrivals. Car rental, valet, and chauffeur services are available on-site, though the discontinued Aerobus line no longer operates. Trains to other parts of Portugal connect via Gare do Oriente, reachable by metro in about 10 minutes.",
        "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 Houston to Lisbon?",
        "answer": "Average fares from Houston to Lisbon bottom out around $364 in early February, making that the cheapest stretch to fly. February, September, and January are the cheapest months overall with averages of $370, $375, and $381, while late December is the priciest period at $483. June, December, and July are the most expensive months on average at $462, $457, and $456.",
        "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 Houston to Lisbon?",
        "answer": "For flights from Houston to Lisbon, the best fares typically appear when booking about 3 to 6 weeks before departure, with the single cheapest day around 30 days out at roughly $339. Booking too far ahead can actually cost more, with prices climbing above $450 if you book 95 or more days in advance. For summer and holiday travel, demand tends to push the ideal window a bit earlier, so aim for 6 to 10 weeks ahead during those peak periods.",
        "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 Houston to Lisbon?",
        "answer": "There are no nonstop red‑eyes from Houston (HOU) to Lisbon, but connecting itineraries whose long leg is an overnight flight are available. Options include United via Newark (departing 8:25 PM, arriving 8:20 AM), United via Washington Dulles (departing 10:25 PM, arriving 10:30 AM), Air Canada via Toronto (departing 11:00 PM, arriving 11:05 AM), Air Canada via Montreal (departing 9:45 PM, arriving 9:20 AM), American via Philadelphia (departing 9:05 PM, arriving 9:05 AM), TAP via Newark (departing 11:00 PM, arriving 11:00 AM), TAP via JFK (departing 10:05 PM, arriving 10:15 AM), and TAP via Miami (departing 4:20 PM, arriving 5:45 AM). All of these overnight legs arrive the next morning except the Miami connection, which lands in the early hours.",
        "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 Houston to Lisbon?",
        "answer": "There is no nonstop service from Houston Hobby to Lisbon, so travelers connect through a hub. United is the most common one-stop carrier, routing through Newark, Washington Dulles, or LaGuardia with up to 23 daily connections, and Lufthansa also carries a solid share via Frankfurt with 7 daily connections. KLM via Amsterdam and Air France via Paris each offer around 4 daily connections, while American through Philadelphia and TAP Air Portugal via Miami round out the main options.",
        "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 Houston and Lisbon?",
        "answer": "Common layover cities between Houston and Lisbon include New York (JFK or EWR), Madrid, Amsterdam, and London. New York offers a short first leg and many transatlantic options. Madrid and Lisbon are well-connected on Iberia and TAP, often with efficient single-terminal transfers. Amsterdam and London provide broad European connections and smooth transit; Amsterdam Schiphol is particularly known for quick, single-terminal connections. US citizens transiting these EU hubs do not need a visa."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Lisbon?",
        "answer": "May to June and September to early October offer warm, sunny days with fewer tourists than the peak summer months."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Houston to Lisbon?",
        "answer": "Bring a passport valid for at least three months beyond your stay, any required visa or ETIAS authorization, proof of onward or return travel, payment for baggage, and any vaccination certificates if needed."
      },
      "q12": {
        "question": "Which airport should I use in Lisbon?",
        "answer": "Lisbon has only one airport, Humberto Delgado Airport, located about 7 km from the city centre, serving all flights to the region."
      },
      "q13": {
        "question": "How do I get to William P Hobby Airport from the city center?",
        "answer": "From downtown Houston, the fastest and most popular way to reach William P. Hobby Airport is by ride-share (Uber or Lyft) or taxi, which take roughly 15–20 minutes depending on traffic. METRO Bus 500 offers a nonstop public transit option to the George R. Brown Convention Center for $4.50 one way, running every 30 minutes from 5:30 a.m. to 8 p.m., while local Bus 40 provides slower service. Shared shuttles and hotel courtesy vans also run from Curb Zone 3, and driving yourself is straightforward with on-site parking available, though it tends to be pricier than transit.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.fly2houston.com/hou/ground-transportation/",
            "title": "HOU Ground Transportation | Airport Shuttle, Taxi, Uber, Lyft & Rent Car Houston"
          },
          {
            "url": "https://www.fly2houston.com/hou/",
            "title": "HOU Houston Airport | William P. Hobby"
          },
          {
            "url": "https://fly2houston.com/hou/ground-transportation/shuttles",
            "title": "Hobby Airport Ground Transportation"
          },
          {
            "url": "https://www.fly2houston.com/hou/airlines/",
            "title": "HOU Houston Airport | William P. Hobby",
            "time_published": "2026-06-09T19:32:46Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/William_P._Hobby_Airport",
            "title": "William P. Hobby Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-09T04:33:26Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Lisbon airport?",
        "answer": "Lisbon Airport has two hotels directly next to Terminal 1, both within walking distance: the upscale Melia Lisboa Aeroporto Hotel and the mid-range Star Inn Lisboa. Each offers an airport shuttle. There are also several other hotels a short drive away, 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"
          }
        ]
      },
      "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 free Wi-Fi throughout its terminals, and currency exchange offices are available in Terminal 1, with additional service counters in Terminal 2. Prayer rooms and chapels are provided at the airport for passengers of various faiths, located within the main terminal building.",
        "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 Houston and Lisbon airports?",
        "answer": "At Houston's William P. Hobby Airport (HOU), wheelchair-accessible restrooms, family restrooms, companion care restrooms, service animal relief areas, and a Central Play Area for children are available, along with assistance programs like Aira for blind and low-vision travelers and TSA Cares for security screening support. Travelers can arrange wheelchair or mobility assistance through their airline, ideally at least 48 hours before departure, and TSA Cares requests should be made at least 72 hours ahead. At Lisbon Portela Airport (LIS), shuttle services are available to move travelers around the airport, and taxis operate 24 hours a day for onward travel.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.fly2houston.com/hou/accessibility/",
            "title": "HOU Accessibility Services | ADA Accessible Travel at Hobby Airport"
          },
          {
            "url": "https://www.fly2houston.com/hou/visitor-information/services/",
            "title": "Hobby Airport Visitor Services | Airport Visitor Services HOU"
          },
          {
            "url": "https://en.wikipedia.org/wiki/William_P._Hobby_Airport",
            "title": "William P. Hobby Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-09T04:33:26Z"
          },
          {
            "url": "https://www.fly2houston.com/hou/",
            "title": "HOU Houston Airport | William P. Hobby"
          },
          {
            "url": "https://www.fly2houston.com/hou/airlines/",
            "title": "HOU Houston Airport | William P. Hobby",
            "time_published": "2026-06-09T19:32:46Z"
          },
          {
            "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 Houston to Lisbon?",
        "answer": "There is no nonstop service from Houston to Lisbon, so all flights connect. On the long-haul segments, Air Canada uses Boeing 777-300ERs, Lufthansa uses Boeing 747-400s, United uses Boeing 787-10s and Boeing 777s, British Airways uses Boeing 777-300ERs and Boeing 787-10s, Air France uses Boeing 777-300ERs, American uses Boeing 787-9s, KLM uses Boeing 777-200s, TAP Air Portugal uses Airbus A321-200 Neos, Airbus A330-900 Neos, and Airbus A330-200s, and Turkish Airlines uses Boeing 787-9s.",
        "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 Houston to Lisbon?",
        "answer": "Star Alliance (United, Lufthansa, Air Canada, Turkish Airlines, TAP Air Portugal), SkyTeam (KLM, Air France), and oneworld (American Airlines, British Airways) all serve Houston–Lisbon via one-stop connections.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Houston?",
        "answer": "William P. Hobby Airport has no listed lounge access for departing passengers — its airport details show clubs and lounges as not available. Travelers can still use wellness experiences like XWELL or Gameway in the terminal, which Priority Pass cardholders may access, but those are spa and entertainment options rather than traditional airline lounges.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://prioritypass.com/en-GB/lounges/united-states-of-america/william-p-hobby",
            "title": "William P. Hobby Airport HOU Lounges - HOU Airport Guide and lounges. | Priority Pass",
            "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c"
          },
          {
            "url": "https://prioritypass.com/en-GB/lounges/united-states-of-america/william-p-hobby/hou2s-xwell",
            "title": "XWELL HOU AIRPORT  Houston TX William P. Hobby | Priority Pass",
            "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c"
          },
          {
            "url": "https://www.fly2houston.com/hou/visitor-information/services/",
            "title": "Hobby Airport Visitor Services | Airport Visitor Services HOU"
          },
          {
            "url": "https://aa.com/i18n/travelInformation/destinationInformation/hou-airport.jsp",
            "title": "Houston Hobby, TX (HOU)",
            "favicon": "https://aa.com/content/images/chrome/rebrand/favicon.png"
          },
          {
            "url": "https://www.fly2houston.com/hou/",
            "title": "HOU Houston Airport | William P. Hobby"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Houston to Lisbon?",
        "answer": "Baggage rules on this route depend on the airline and fare class. Basic economy tickets usually do not include a checked bag, while standard international economy often allows one checked bag and a carry‑on. Premium cabins provide higher allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Houston to Lisbon?",
        "answer": "Flights from Houston to Lisbon typically offer Economy and flat-bed Business class; Premium Economy is available on select carriers."
      },
      "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 rarely does."
      }
    }
  }
}