{
  "response": {
    "Key": "IAD-MAD",
    "orig": {
      "code": "IAD",
      "type": "airport",
      "city": "Washington",
      "fullCity": "Washington, United States",
      "airport": "Washington Intl 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 Washington to Madrid?",
        "answer": "A nonstop flight from Washington Dulles (IAD) to Madrid (MAD) typically takes about 7 hours 30 minutes to 8 hours. With a layover, commonly in cities like New York, London, or Lisbon, total travel time usually ranges from 10 to 14 hours. The return flight (eastbound) is often shorter, around 8 hours for nonstop, due to tailwinds."
      },
      "q1": {
        "question": "Are there any direct flights from Washington to Madrid?",
        "answer": "Yes, Iberia and United both fly nonstop from Washington Dulles to Madrid. Iberia operates up to three daily flights (departing around 17:00, 18:00, and 19:00), while United runs one daily flight at about 18:10 — service is daily on both carriers, for a combined 20 weekly nonstops.",
        "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 Washington to Madrid?",
        "answer": "Yes, visa requirements depend on your nationality. If you are a U.S. citizen, you can travel to Spain for up to 90 days within any 180‑day period without a visa, but from mid‑2025 you will need an ETIAS travel authorization. If you are a Spanish citizen, you can travel to the U.S. for up to 90 days under the Visa Waiver Program, provided you have an approved ESTA. Other nationalities should check both Spain’s Schengen visa rules and U.S. entry requirements."
      },
      "q3": {
        "question": "What are the ground transportation options in Madrid?",
        "answer": "From Madrid-Barajas Airport, the fastest way to the city center is the Metro Line 8, which connects directly to Nuevos Ministerios in about 15 minutes. Taxis offer a flat-rate fare of €30 to the city center and are widely used for their convenience. Ride-sharing services like Uber and Cabify are also available, often at slightly lower cost than taxis. Car rental desks are present in the terminals, but driving and parking in central Madrid can be challenging. The Metro is the most used option due to its speed and low cost.",
        "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 Washington to Madrid?",
        "answer": "The cheapest months to fly from Washington to Madrid are October, November, and September, with average round-trip fares around $562, $584, and $610 respectively. The most expensive months are June, July, and May, where average fares climb to roughly $1,009, $867, and $847.",
        "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 Washington to Madrid?",
        "answer": "For flights from Washington to Madrid, the optimal booking window is roughly 8 to 11 weeks before departure, with average fares around $773. Booking about 55 days out yields the lowest fare at $770, while last-minute purchases can cost $895. For summer or holiday travel, booking even earlier — around 12 to 16 weeks ahead — is advisable, as prices tend to rise more steeply closer to peak dates.",
        "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 Washington to Madrid?",
        "answer": "There are no nonstop red‑eye flights from Washington Dulles (IAD) to Madrid (MAD), but one‑stop connecting itineraries whose long leg is an overnight flight are available. For example, British Airways offers an IAD–London Heathrow red‑eye departing at 22:25 and arriving at 10:50, connecting to Madrid; Air France has an IAD–Paris CDG red‑eye departing at 21:45 and arriving at 11:15. Other red‑eye long legs from IAD include Lufthansa via Frankfurt (departing 17:55, arriving 07:55), TAP via Lisbon (17:45 → 06:10), and KLM via Amsterdam (17:40 → 07:10).",
        "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 Washington and Madrid?",
        "answer": "Common layover hubs include Lisbon, Madrid itself (if connecting from another carrier), London, and Paris. Lisbon offers efficient connections and often competitive fares; Madrid is a logical hub with wide onward reach; London and Paris provide extensive networks and multiple daily flights, though London may require a transit visa for some nationalities."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Washington to Madrid?",
        "answer": "On-time reliability is generally good, though afternoon thunderstorms at Dulles can cause delays. Morning departures on United or Iberia tend to be more punctual."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Madrid?",
        "answer": "April to June and September to October offer pleasant, mild temperatures and fewer tourists than the hot, crowded summer months."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Washington to Madrid?",
        "answer": "Bring a passport valid for at least three months beyond your stay, any required Schengen visa or ETIAS authorization when implemented, proof of onward travel, a payment method for checked bags, and any vaccination certificates if required."
      },
      "q12": {
        "question": "Which airport should I use in Madrid?",
        "answer": "Adolfo Suárez Madrid‑Barajas is the only commercial airport serving Madrid, located about 12 km northeast of the city centre. It handles all flights, including international, domestic, and low‑cost carriers."
      },
      "q13": {
        "question": "How do I get to Washington Intl Airport from the city center?",
        "answer": "The Silver Line Express bus connects the airport to the Wiehle-Reston East Metrorail station every 15–20 minutes for a flat $5 fare each way, where you can transfer to the Silver Line train into downtown Washington, D.C. Washington Flyer taxis are available 24/7 from the arrivals level, and ride‑share services like Uber and Lyft also pick up at Dulles. Shared‑van shuttles such as SuperShuttle and Supreme Shuttle offer door‑to‑door service. Driving and parking are straightforward, with economy lots starting at $15 per day and a free shuttle to the terminal. The Metrorail option is generally the fastest and most popular way to reach the city center during daytime hours, while taxis and ride‑shares are more convenient late at night when rail service is unavailable.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://flydulles.com/flight-schedule-dulles-international-airport-iad",
            "title": "flydulles.com - Flight Schedule - Dulles International Airport (IAD)",
            "time_published": "2022-03-01T00:00:00Z"
          },
          {
            "url": "https://parking.flydulles.com/economy-parking",
            "title": "Dulles International Airport Parking | Economy Parking",
            "time_published": "2026-02-06T00:00:00Z"
          },
          {
            "url": "https://www.mwaa.com/ipw-2017-archived",
            "title": "IPW 2017 - Archived",
            "time_published": "2021-02-01T00:00:00Z"
          },
          {
            "url": "https://www.mwaa.com/policefireems/fire-ems/fire-ems-washington-dulles-international-airport",
            "title": "mwaa.com - Fire & EMS at Washington Dulles International Airport",
            "favicon": "https://www.mwaa.com/themes/custom/mwaa_barrio/favicon.ico",
            "time_published": "2023-09-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Dulles%20International%20Airport",
            "title": "Dulles International Airport",
            "time_published": "2026-04-30T14:07:38Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Madrid airport?",
        "answer": "Madrid Airport (MAD) has on-site sleeping facilities in Terminal 4, where Air Rooms offers private rooms for overnight or day use (landside), and Terminal 4S has rest zones with padded reclining chairs past Gate 17. No capsule hotels or sleeping pods are available, but several nearby hotels like the ibis Madrid Aeropuerto Barajas and Novotel Madrid Campo de las Naciones are connected by shuttle. The airport also has 24‑hour food options and free WiFi, with softer seating in areas like McDonald’s in Terminal 4.",
        "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"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Adolfo Suárez Barajas Airport?",
        "answer": "Adolfo Suárez Madrid-Barajas Airport offers currency exchange offices and free Wi‑Fi throughout its terminals. Prayer rooms and chapels are available in Terminals 1, 2, and 4. The free Wi‑Fi network is accessible in all public areas, and currency exchange counters can be found in the arrivals and departures halls of Terminals 1, 2, 4, and 4S.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://en.wikipedia.org/wiki/Madrid%E2%80%93Barajas%20Airport",
            "title": "Madrid–Barajas Airport",
            "time_published": "2026-04-23T21:26:07Z"
          },
          {
            "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": "http://www.aena.es/en/madrid-barajas-adolfo-suarez/airport-services/shops-and-restaurants/madrid-duty-free.html&t=t2",
            "title": "Madrid Duty Free | Adolfo Suárez Madrid-Barajas Airport | Aena",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://en.wikipedia.org/?diff=178292758",
            "title": "Madrid–Barajas Airport: Difference between revisions - Wikipedia",
            "time_published": "2007-12-16T14:38:20Z"
          },
          {
            "url": "http://www.aena.es/en/madrid-barajas-adolfo-suarez/airport-services/shops-and-restaurants/madrid-arrivalshop.html&t=t2",
            "title": "El Mercado Madrid Duty Free | Adolfo Suárez Madrid-Barajas Airport | Aena",
            "time_published": "2026-01-01T00:00:00Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Washington to Madrid?",
        "answer": "Nonstop flights from Washington Dulles to Madrid are operated by Iberia and United, with Iberia typically using the Airbus A330-200 or A330 and United flying a Boeing 767-400. On connecting itineraries, the long-haul leg is often a Boeing 777 (via London, Charlotte, or New York), an Airbus A330-300 (via Montreal, Chicago, or Toronto), or an Airbus A350-900 (via Paris or New York), though the exact aircraft can vary by day and airline. Wi-Fi and seatback entertainment are widely available on these long-haul flights.",
        "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 Washington to Madrid?",
        "answer": "The nonstop carriers on Washington Dulles (IAD) to Madrid (MAD) are Iberia and United. Iberia is a member of oneworld, and United belongs to Star Alliance. SkyTeam has no nonstop presence on this route, though it may serve it via 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 Washington?",
        "answer": "At Washington Dulles, the best lounge options in Concourse A include the Virgin Atlantic Clubhouse (open 06:00–22:00), the Etihad Airways Lounge (also branded as a Chase Sapphire Lounge by The Club, open 07:30–21:00), and the Air France/KLM Lounge (open 09:00–19:00). In Concourse B, the Turkish Airlines Lounge is open 07:15–21:30, while the Lufthansa Business and Senator Lounges are temporarily closed. The Capital One Lounge on the Ticketing Level is a modern, all-inclusive space with local food, grab-and-go options, and workspaces, open daily 5:30 am–9:00 pm. Access to airline lounges typically requires a same-day business or first-class ticket or elite status, while the Capital One Lounge welcomes eligible cardholders and day-pass purchasers.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/IAD",
            "title": "American Express Lounges at Washington Dulles International Airport | Amex US",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://prioritypass.com/en-GB/lounges/united-states-of-america/washington-dulles-international",
            "title": "Washington Dulles International Airport IAD Lounges - IAD Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://americanexpress.com/en-th/travel/lounges/the-platinum-card/IAD",
            "title": "American Express Lounges at Washington Dulles International Airport | Amex TH",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://www.flydulles.com/travel-information/services-amenities/airport-lounges/capital-one-lounge-iad",
            "title": "Capital One Lounge - IAD | flydulles.com",
            "time_published": "2022-03-01T00:00:00Z"
          },
          {
            "url": "https://my.prioritypass.com/zh-CN/lounges/united-states-of-america/washington-dulles-international/iad6-air-france-klm-lounge",
            "title": "Air France - KLM Lounge IAD AIRPORT A 大厅 杜勒斯国际机场 (Washington DC Dulles Intl) | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Washington to Madrid?",
        "answer": "Baggage allowances vary by airline and fare type. Basic economy often excludes a checked bag, while standard international economy typically includes one checked bag and a carry‑on. Premium cabins offer higher limits."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Washington to Madrid?",
        "answer": "Flights from Washington to Madrid commonly 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": "Same‑day changes and standby depend on the airline and fare; flexible tickets and premium cabins offer the best options, while Basic Economy often does not allow them."
      }
    }
  }
}