{
  "response": {
    "Key": "HOU-MAD",
    "orig": {
      "code": "HOU",
      "type": "airport",
      "city": "Houston",
      "fullCity": "Houston, Texas",
      "airport": "William P Hobby Airport"
    },
    "dest": {
      "code": "MAD",
      "type": "airport",
      "city": "Madrid",
      "fullCity": "Madrid, Spain",
      "airport": "Adolfo Suárez Barajas Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Houston to Madrid?",
        "answer": "A nonstop flight from Houston (IAH) to Madrid (MAD) typically takes around 9 hours 30 minutes to 9 hours 50 minutes. With one stop, depending on the connection city, total travel time often ranges from 12 to 15 hours. The return nonstop flight from Madrid to Houston is slightly shorter, usually about 9 hours 20 minutes to 9 hours 40 minutes."
      },
      "q1": {
        "question": "Are there any direct flights from Houston to Madrid?",
        "answer": "There are no nonstop flights from Houston (IAH or HOU) to Madrid. The shortest one-stop options connect through Dallas/Fort Worth (DFW) on American or Iberia, with the first leg taking about 84–86 minutes and the transatlantic leg roughly 9.5 hours, for a total travel time around 12 to 13 hours including a layover of about 70–90 minutes.",
        "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 and weekly frequencies are summarized 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). Where available, on-time and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, and typical fares 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 Madrid?",
        "answer": "Yes, there are visa or travel‑authorization requirements for a flight from Houston to Madrid, depending on your citizenship. If you are a U.S. citizen, you can travel to Spain for short stays (up to 90 days within any 180‑day period) without a visa, but starting in 2025 you will need an ETIAS travel authorization. If you are a Spanish or other EU/EEA national, you can enter Spain freely with a valid passport or ID card. For travelers returning from Madrid to Houston, if you are a U.S. citizen you only need a valid passport; if you are a Spanish citizen or other national, you may need a visa or ESTA depending on your citizenship and eligibility under the Visa Waiver Program."
      },
      "q3": {
        "question": "What are the ground transportation options in Madrid?",
        "answer": "At Madrid-Barajas Airport, the fastest and most-used option is the metro (Line 8), which connects all terminals to the city center in about 20–30 minutes. The Cercanías train (lines C-1 and C-10) from T4 also offers a quick link to Atocha and Chamartín stations. Taxis are readily available with a flat fare of €30 to the city center, while ride-share services like Uber and Cabify operate legally. Several public EMT buses and the 24-hour airport express bus provide cheaper alternatives, and all major car rental agencies have desks at the airport.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://serviciosvip.aena.es/vip/en/aeropuertos/adolfo-suarez-madrid-barajas/servicios-asistencia-pasajaros/meet-and-assist",
            "title": "Assistance services at Madrid Barajas Airport",
            "time_published": "2026-02-02T00:00:00Z"
          },
          {
            "url": "https://serviciosvip.aena.es/vip/en/aeropuertos/adolfo-suarez-madrid-barajas/acceso-prioritario-fast-track",
            "title": "Preferential access at Adolfo Suarez Airport - Fast Track - Aena VIP Services",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Madrid%E2%80%93Barajas%20Airport",
            "title": "Madrid–Barajas Airport",
            "time_published": "2026-04-23T21:26:07Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Adolfo_Suárez_Stadium",
            "title": "Adolfo Suárez Stadium",
            "time_published": "2026-01-20T00:40:19Z"
          },
          {
            "url": "http://www.aena.es/en/madrid-barajas-adolfo-suarez/airport-services/shops-and-restaurants/sunglass-hut.html&p=1575047980206&t=t2",
            "title": "Sunglass Hut | Adolfo Suárez Madrid-Barajas Airport | Aena",
            "time_published": "2026-01-01T00:00:00Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Houston to Madrid?",
        "answer": "The cheapest months to fly from Houston to Madrid are October (average $755), November ($778), and September ($783), while the most expensive are June (average $1,135), July ($1,013), and May ($966).",
        "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 Madrid?",
        "answer": "For flights from Houston to Madrid, the best fares are typically found when booking 13 to 16 weeks ahead, with an average price around $797. During peak summer and holiday periods, demand tends to push optimal booking windows slightly earlier, so aiming for 4-5 months out can help lock in a better deal.",
        "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 Madrid?",
        "answer": "There are no nonstop red-eye flights from Houston (HOU) to Madrid, but connecting overnight itineraries are available where the long transatlantic leg is a red-eye. For example, you can connect via Dallas–Fort Worth on American or Iberia, departing DFW at 4:45 PM and arriving in Madrid at 9:05 AM, or via Newark on United, departing EWR at 7:20 PM and arriving at 9:00 AM. Other connecting hubs include Miami, Chicago O'Hare, Philadelphia, Washington Dulles, Toronto, Montreal, and Boston, with overnight long-haul legs on American, Iberia, United, Air Canada, or JetBlue.",
        "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 Madrid?",
        "answer": "Common layovers include New York, Miami, Atlanta and London, offering broad connections and efficient transfers."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Houston to Madrid?",
        "answer": "On-time performance is decent, though afternoon thunderstorms in Houston can cause delays. Early departures, such as United's morning flight, tend to be more reliable."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Madrid?",
        "answer": "May to June and September to early October offer pleasant temperatures and smaller crowds, avoiding the intense summer heat."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Houston to Madrid?",
        "answer": "Bring a passport valid for at least three months beyond your stay, any required visa or ETIAS authorization, proof of onward travel, a payment method for bags, and any necessary vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in Madrid?",
        "answer": "Madrid has only one commercial airport, Adolfo Suárez Madrid–Barajas Airport, located 12 km northeast of the city centre. It serves as the primary hub for Iberia and offers extensive international and domestic connections."
      },
      "q13": {
        "question": "How do I get to William P Hobby Airport from the city center?",
        "answer": "William P. Hobby Airport is about 7 miles from downtown Houston. Taxis and ride‑share services like Uber and Lyft are popular and convenient, with ride‑share being the most common choice. Shared shuttle buses also run between the airport and city center, while driving yourself and parking on‑site is another option. In typical traffic, a taxi or ride‑share takes around 15–20 minutes, making it the fastest way to reach the airport.",
        "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 Madrid airport?",
        "answer": "Madrid-Barajas Airport (MAD) has Air Rooms located landside in Terminal 4, offering private rooms for overnight stays or day use in blocks of 3–6 hours, with shower facilities available. There are no capsule hotels or sleeping pods inside the airport, but several nearby hotels like the ibis Madrid Aeropuerto Barajas provide shuttle service (though availability may vary). Terminals 1, 2, and 3 do not have on-site hotels, but Terminal 4's Air Rooms are directly accessible without a shuttle.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://all.accor.com/a/en/destination/place/hotels-adolfo-suarez-madrid-barajas-airport-ci266.html",
            "title": "Hotels near Adolfo Suárez Madrid-Barajas Airport, Madrid: book with all.accor.com",
            "time_published": "2026-04-21T00:00:00Z"
          },
          {
            "url": "https://sleepinginairports.net/guides/madrid-barajas-airport-guide.htm",
            "title": "Madrid-Barajas Airport Guide (MAD) - 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": "2018-10-02T00:00:28Z"
          },
          {
            "url": "https://activities.marriott.com/europe/spain/community-of-madrid/madrid/activities/private_shuttle_transfer_from_city_centre_to_airport-X54GOE?property=MADCO",
            "title": "Private Shuttle Transfer from City Centre to Airport",
            "time_published": "2026-02-28T00:00:00Z"
          },
          {
            "url": "https://serviciosvip.aena.es/vip/en/aeropuertos/adolfo-suarez-madrid-barajas/servicios-asistencia-pasajaros/meet-and-assist",
            "title": "Assistance services at Madrid Barajas Airport",
            "time_published": "2026-02-02T00:00:00Z"
          },
          {
            "url": "https://www.sleepinginairports.net/sleep-guide/sleeping-in-madrid-barajas-airport.htm",
            "title": "Sleeping in Madrid Barajas Airport",
            "time_published": "2024-09-12T00:00:00Z"
          },
          {
            "url": "https://all.accor.com/gb/place/hotels-adolfo-suarez-madrid-barajas-airport-ci266-v2418.shtml",
            "title": "Hotels near Adolfo Suárez Madrid-Barajas Airport, Madrid: book with all.accor.com",
            "time_published": "2024-09-25T00:00:00Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Houston to Madrid?",
        "answer": "There are no nonstop flights from Houston Hobby (HOU) to Madrid, so all itineraries require a connection. On the long transatlantic leg, the most common aircraft types are the Airbus A330 (including the -200 and -300 variants) and the Boeing 777-200, with other types like the Boeing 787-8, 767-400, and 747-400 also appearing on some routes. The specific aircraft can vary by day and airline, but these widebody jets are typical for this journey.",
        "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 Madrid?",
        "answer": "There is no nonstop service from Houston (IAH or HOU) to Madrid. The most common one-stop itineraries are operated by Iberia (oneworld, via DFW, MIA, or ORD), American Airlines (oneworld, via DFW, ORD, PHL, or CLT), and United Airlines (Star Alliance, via EWR or IAD). Other alliance carriers like Air Canada (Star Alliance, via YYZ or YUL), Lufthansa (Star Alliance, via FRA), KLM (SkyTeam, via AMS), Air France (SkyTeam, via CDG), and British Airways (oneworld, via LHR) also appear, while JetBlue (via BOS) is the only notable unaligned carrier.",
        "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 does not have any traditional airline-branded lounges like a United Club or Delta Sky Club, but there is a Priority Pass-affiliated XpresSpa in the Central Concourse near Gate 45. It offers a 25-minute session in a massage chair or similar treatment in lieu of a standard lounge visit, with access for Priority Pass members and possibly day-pass customers. The spa is open daily from 6:00 a.m. to 9:00 p.m., and capacity may be limited during peak times.",
        "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 Madrid?",
        "answer": "On Houston–Madrid flights, Basic Economy fares often exclude checked bags. Standard international economy typically includes one checked bag and a carry‑on, while premium cabins offer two checked bags and additional carry‑on allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Houston to Madrid?",
        "answer": "Flights from Houston to Madrid usually provide Economy, Premium Economy, and flat‑bed Business class; First class is not common on this route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies differ by airline and fare, with flexible and premium tickets often allowing same‑day changes or standby, while basic economy typically does not."
      }
    }
  }
}