{
  "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": "There are no nonstop flights from Houston (IAH or HOU) to Lisbon (LIS). The fastest one-stop itineraries typically take around 11 to 12 hours total travel time, often connecting through East Coast hubs like Newark (EWR) or Philadelphia (PHL). The return flight from Lisbon to Houston usually takes a bit longer, around 13 to 14 hours, due to prevailing winds."
      },
      "q2": {
        "question": "Are there visa requirements to travel from Houston to Lisbon?",
        "answer": "Yes, visa requirements depend on your nationality. If you are a U.S. citizen, you do not need a visa for tourism or business stays in Portugal (Schengen area) of up to 90 days within any 180-day period. However, starting in 2025, you will need to obtain an ETIAS travel authorization before travel. If you are a Portuguese citizen, you do not need a visa for short visits to the U.S. under the Visa Waiver Program, but you must have a valid ESTA authorization."
      },
      "q3": {
        "question": "What are the ground transportation options in Lisbon?",
        "answer": "From Lisbon Airport, the Metro (subway) is the most popular and efficient way to reach the city center, taking about 20 minutes, while taxis and ride‑share services are readily available outside arrivals for a door‑to‑door trip in roughly 15 minutes. The Aerobus shuttle provides a direct, dedicated connection to downtown with luggage space, and several public bus lines serve the city at a lower cost. Car rentals are available at the airport, though driving in central Lisbon can be challenging due to narrow streets and limited parking. The Metro is generally the fastest and most‑used option for travelers staying in central neighborhoods.",
        "toolsUsed": [],
        "references": [
          {
            "url": "http://lisbon-lis.airports-guides.com",
            "title": "Lisbon Portela Airport (LIS) Information: LIS Airport in Lisbon Area, Portugal"
          },
          {
            "url": "http://www.lisbon-lis.airports-guides.com/lis_airport_transport.html",
            "title": "Lisbon Portela Airport (LIS) Travel, Transport: Travel at Airports in Lisbon Area, Portugal",
            "time_published": "2016-03-03T00:00:00Z"
          },
          {
            "url": "https://www.lisbon-airport.net/",
            "title": "Lisbon Airport (LIS)"
          },
          {
            "url": "https://lisbonairport.net/lisbon-airport-transfers/bus/",
            "title": "Getting to Lisbon Airport by Bus",
            "time_published": "2019-03-02T00:00:00Z"
          },
          {
            "url": "https://lisbonairport.net",
            "title": "Lisbon Airport | Guide to Lisbon Airport (LIS)"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Houston to Lisbon?",
        "answer": "The cheapest months to fly from Houston to Lisbon are November (average $852), October ($873), and April ($882), with the low season extending into February. The most expensive months are June (average $1,384), July ($1,278), and May ($1,178), marking the high season.",
        "methodology": "This 'good deal' estimate shows a representative best price for each departure date across roughly a 12-month window (about 3 months back and 9 months forward). It is built from real flight prices found by Priceline users searching this route, accumulated into a price history for each departure date. Rather than weighting all of that history equally, we apply exponential time decay so recent prices dominate — a price seen yesterday counts almost in full, one from about a month ago roughly a third, and prices from a few months back very little — giving a figure that tracks today's market instead of a stale long-run average. Clear price outliers are removed before any calculation, departure dates with no observations are filled in from nearby dates, and the resulting curve is lightly smoothed so it reads as a clean seasonal trend rather than day-to-day noise.",
        "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 are typically found when booking 6–9 weeks before departure, with an average price around $955. Booking about 30 days out can also yield a low fare around $945, while waiting until the last minute or booking far in advance (like 135 days ahead) tends to be pricier. During peak summer and holiday periods, it's wise to book earlier within that window since demand can push prices up faster.",
        "methodology": "This booking-window guidance is built from the same real flight prices found by Priceline users searching this route, re-grouped by how many days before departure each price was seen (from the departure day out to about 180 days ahead) across the route's price history. At each booking lead time we report the 25th-percentile price — the cheaper end of what travelers were quoted, rather than the rock-bottom minimum (which can be a fluke) or the average (which is pulled up by expensive last-minute fares). The buy-or-wait advice then applies a risk premium that grows as departure approaches, since seat availability shrinks and prices become less predictable; using that adjusted curve we flag windows where waiting is likely to save a meaningful amount (at least $20 or 5%) versus windows where booking now is the better call. Isolated single-day recommendations are filtered out, so the advice only reflects a window that holds for several days in a row.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Houston to Lisbon?",
        "answer": "There are no nonstop red‑eye flights from Houston (HOU) to Lisbon, but connecting itineraries whose long leg is an overnight flight are available. For example, United offers a connection via Newark (EWR) where the overnight leg departs at 8:25 PM and arrives at 8:20 AM, or via Washington Dulles (IAD) departing at 10:25 PM and arriving at 10:30 AM the next morning. American offers a routing through Philadelphia (PHL) with the red‑eye leg departing at 9:05 PM and arriving at 9:05 AM, and TAP Air Portugal connects through Newark with a 11:00 PM departure arriving at 10:55 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"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Houston and Lisbon?",
        "answer": "Common layover cities include Newark, Amsterdam, Frankfurt and Madrid. Newark offers a quick domestic hop to a major transatlantic gateway. Amsterdam and Frankfurt provide vast European connections and efficient single-terminal transfers. Madrid often yields competitive total travel times and smooth onward connections to Lisbon."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Houston to Lisbon?",
        "answer": "On‑time performance is usually reliable, but afternoon storms in Houston can cause delays. Opt for morning departures on airlines like United or TAP Air Portugal for better punctuality."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Lisbon?",
        "answer": "April to June and September to October offer pleasant temperatures and fewer tourists."
      },
      "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 planned stay, any required visa or ETIAS authorization (once implemented), proof of onward or return travel, a payment method for baggage, and any necessary vaccination or insurance documents."
      },
      "q12": {
        "question": "Which airport should I use in Lisbon?",
        "answer": "Lisbon has only one airport, Humberto Delgado Airport, which is just 7 km from the city centre and serves all flights into the city."
      },
      "q13": {
        "question": "How do I get to William P Hobby Airport from the city center?",
        "answer": "To reach William P. Hobby Airport from downtown Houston, ride‑share services like Uber and Lyft are the most popular and fastest, taking about 15‑25 minutes at moderate cost. Taxis are also available curbside with similar travel time but slightly higher fares. For a lower‑cost option, shared shuttle vans and public buses serve the airport, though they take longer. Driving yourself and parking on‑site is convenient, with economy and terminal parking options offering discounts when booked in advance.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://fly2houston.com/hou/ground-transportation",
            "title": "HOU Ground Transportation | Airport Shuttle, Taxi, Uber, Lyft & Rent Car Houston"
          },
          {
            "url": "https://fly2houston.com/hou",
            "title": "HOU Houston Airport | William P. Hobby",
            "time_published": "2026-06-09T05:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/William_P._Hobby_Airport",
            "title": "William P. Hobby Airport",
            "time_published": "2026-07-06T09:58:05Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/William%20P.%20Hobby%20Airport",
            "title": "William P. Hobby Airport",
            "time_published": "2026-04-21T04:20:29Z"
          },
          {
            "url": "https://faa.gov/flight_deck/hef",
            "title": "Manassas Regional Airport/Harry P. Davis Field (HEF) | Federal Aviation Administration",
            "time_published": "2026-03-10T00:00:00Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Lisbon airport?",
        "answer": "Lisbon Airport does not have on-site hotels, capsule hotels, or sleeping pods inside the terminals. However, there are several nearby hotels connected by shuttle, such as the Meliá Lisboa Aeroporto and the TRYP Lisboa Aeroporto Hotel, both within a short ride of Terminal 1. For uninterrupted sleep, travelers often use these off-airport options.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.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": "http://lisbon-lis.airports-guides.com",
            "title": "Lisbon Portela Airport (LIS) Information: LIS Airport in Lisbon Area, Portugal"
          },
          {
            "url": "http://www.lisbon-lis.airports-guides.com/lis_airport_facilities.html",
            "title": "Lisbon Portela Airport (LIS) Facilities, Info: Services at Airports in Lisbon Area, Portugal",
            "time_published": "2016-03-03T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Lisbon_Airport",
            "title": "Lisbon Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-07-20T16:51:21Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Lisbon%20Airport",
            "title": "Lisbon Airport",
            "time_published": "2026-04-30T23:41:16Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Houston to Lisbon?",
        "answer": "No nonstop flights operate from Houston Hobby (HOU) to Lisbon, so travelers connect through a hub. On the long transatlantic leg, the most common aircraft are the Boeing 777-300ER, Boeing 787-9, Boeing 787-10, and Airbus A330 variants (A330-200, A330-300, A330-900neo), with the Boeing 747-400 also appearing on some routings. The exact aircraft depends on the connecting city and airline — for example, Lufthansa uses the 747-400 via Frankfurt, United flies 787-10s via Newark, and TAP Air Portugal deploys the A330-900neo via New York JFK or Miami. Wi‑Fi and seatback entertainment are widely available on these long-haul aircraft, though the specific offering varies by carrier.",
        "methodology": "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.",
        "toolsUsed": [
          "route_aircraft"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from Houston to Lisbon?",
        "answer": "There is no nonstop service from Houston (IAH or HOU) to Lisbon. The main connecting carriers that actually operate the long-haul transatlantic leg on this route are British Airways (oneworld, via London), Lufthansa (Star Alliance, via Frankfurt), American (oneworld, via Philadelphia), United (Star Alliance, via Newark or Dulles), Air Canada (Star Alliance, via Toronto or Montreal), Air France (SkyTeam, via Paris), KLM (SkyTeam, via Amsterdam), Turkish Airlines (Star Alliance, via Istanbul), and TAP Air Portugal (Star Alliance, via Newark, JFK, or Miami). All three global alliances — Star Alliance, oneworld, and SkyTeam — are represented through these carriers; no major unaligned operating carrier appears on the long legs.",
        "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 (HOU) does not have any airline-branded lounges (such as a United Club, Delta Sky Club, or American Admirals Club) or traditional independent lounges like Plaza Premium. The only lounge-like option is XpresSpa, a Priority Pass location near Gate 45 in the Central Concourse that offers 25-minute sessions on massage chairs and loungers instead of a typical lounge environment. Access is available to Priority Pass members, and it operates daily from 6:00 AM to 9:00 PM.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://fly2houston.com/hou/related-content/hou-tips-for-first-time-travelers",
            "title": "Navigating William P. Hobby Airport (HOU): Tips for First-Time Travelers",
            "time_published": "2026-01-23T00:00:00Z"
          },
          {
            "url": "https://www.prioritypass.com/pt-PT/lounges/usa/houston-tx-william-p-hobby/hou2s-xpresspa",
            "title": "XWELL HOU AIRPORT Houston TX William P. Hobby | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/William_P._Hobby_Airport",
            "title": "William P. Hobby Airport",
            "time_published": "2026-07-06T09:58:05Z"
          },
          {
            "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",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://fly2houston.com/hou",
            "title": "HOU Houston Airport | William P. Hobby",
            "time_published": "2026-06-09T05:00:00Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Houston to Lisbon?",
        "answer": "Baggage allowance on Houston–Lisbon flights varies by airline and fare type. Basic economy tickets are generally restrictive and may not include a checked bag, while standard international economy fares usually include one checked bag and a carry-on. Premium cabins typically offer 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 is common on connecting itineraries. Premium Economy is available on select airlines but is not standard across all options."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Same‑day change and standby availability depend on the airline and fare class; flexible tickets and premium cabins typically allow it, while Basic Economy usually does not."
      }
    }
  }
}