{
  "response": {
    "Key": "MAD-IAD",
    "orig": {
      "code": "MAD",
      "type": "airport",
      "city": "Madrid",
      "fullCity": "Madrid, Spain",
      "airport": "Adolfo Suárez Barajas Airport"
    },
    "dest": {
      "code": "IAD",
      "type": "airport",
      "city": "Washington",
      "fullCity": "Washington, United States",
      "airport": "Washington Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Madrid to Washington?",
        "answer": "A nonstop flight from Madrid (MAD) to Washington Dulles (IAD) typically takes about 8 hours 30 minutes to 9 hours. The return flight from Washington to Madrid is often slightly shorter, around 7 hours 30 minutes to 8 hours, due to prevailing tailwinds. One-stop options via major European hubs can add 3 to 6 hours depending on the layover."
      },
      "q1": {
        "question": "Are there any direct flights from Madrid to Washington?",
        "answer": "Yes, Iberia and United both fly nonstop from Madrid to Washington Dulles. Iberia operates 10 flights per week with two daily departure times (around 12:20 PM and 12:50 PM), while United runs a daily nonstop departing around 11:15 AM. Both carriers serve the route daily, so you can find a nonstop any 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.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Madrid to Washington?",
        "answer": "Yes, visa or travel authorization requirements apply for flights from Madrid to Washington depending on your nationality. If you are a Spanish citizen, you can travel to the U.S. visa-free under the Visa Waiver Program for short visits, but you must obtain an approved ESTA authorization before departure. If you are a U.S. citizen, you do not need a visa for Spain for short stays up to 90 days within the Schengen area, but starting in 2025 you will need an ETIAS travel authorization once it becomes operational. For other nationalities, check both U.S. and Schengen visa requirements."
      },
      "q3": {
        "question": "What are the ground transportation options in Washington?",
        "answer": "Washington Dulles (IAD) is about 26 miles west of downtown DC. The most-used option is the Silver Line Express bus to the Wiehle-Reston East Metrorail station ($5, runs every 15–20 minutes), then Metrorail into the city—fastest during rush hours but no rail service overnight. Taxis (Washington Flyer) and rideshares (Uber/Lyft) offer door-to-door convenience 24/7, with taxi fares typically $60–$80. Shared vans (SuperShuttle, Supreme Shuttle) are also available. Rental cars are on-site but not ideal for a city-center trip.",
        "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"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Madrid to Washington?",
        "answer": "The cheapest months to fly from Madrid to Washington are October, November, and September, with average fares around $562–$610. The most expensive months are June, July, and May, where average prices climb to $847–$1,009.",
        "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. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Madrid to Washington?",
        "answer": "For flights from Madrid to Washington, the best fares are typically found when booking 8 to 11 weeks before departure, with an average price around $773. The absolute cheapest day to book is about 55 days out at $770, while last-minute bookings can cost over $890.",
        "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. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Madrid to Washington?",
        "answer": "No overnight (red-eye) flights are scheduled from Madrid to Washington Dulles — neither nonstop nor as the long leg of a connecting itinerary.",
        "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 Madrid to Washington?",
        "answer": "Iberia and United both fly nonstop from Madrid to Washington Dulles. Iberia operates 10 weekly flights with departures at 12:20 PM and 12:50 PM daily, while United runs 7 weekly flights leaving at 11:15 AM daily. Typical median fares are around $1,028 on Iberia and $896 on United.",
        "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"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Madrid and Washington?",
        "answer": "Common layover cities include London, Paris, Amsterdam and Lisbon. London Heathrow offers broad connections and efficient transfers, while Paris Charles de Gaulle and Amsterdam Schiphol provide seamless European connections. Lisbon is a convenient option for TAP Air Portugal connections, often with competitive total travel times."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Madrid to Washington?",
        "answer": "On‑time performance is generally reliable, though afternoon and evening flights face higher risk of delays due to air traffic and weather. Early departures, particularly on United Airlines, tend to have better punctuality."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Washington?",
        "answer": "April to May and September to October offer pleasant temperatures and fewer tourists than summer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Madrid to Washington?",
        "answer": "Bring a passport valid for the duration of your stay, an ESTA authorization or U.S. visa, proof of onward or return travel, a payment method for baggage, and any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in Washington?",
        "answer": "Ronald Reagan Washington National Airport is closest to downtown Washington, D.C., and serves primarily domestic flights with some limited international routes. Washington Dulles International Airport is farther out but handles most international flights, including those from Madrid, and is a major hub for United Airlines. Baltimore/Washington International Airport is even farther, serves as a base for Southwest Airlines, and offers a mix of domestic and international flights, often with lower fares."
      },
      "q13": {
        "question": "How do I get to Adolfo Suárez Barajas Airport from the city center?",
        "answer": "The fastest and most popular way to reach Adolfo Suárez Madrid-Barajas Airport (MAD) from central Madrid is the Metro Line 8 from Nuevos Ministerios, which takes about 15–20 minutes. The Cercanías C-1 and C-10 commuter trains also connect major stations like Atocha and Chamartín to Terminal 4 in about 25 minutes. Express bus 203 runs from Atocha and Cibeles 24 hours a day, while taxis and ride-shares offer door-to-door convenience with a flat fare of €30 to the city center. Driving and parking are possible with several on-site lots, but costs add up for longer stays.",
        "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"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Washington airport?",
        "answer": "Washington Dulles Airport (IAD) has a Sleepbox Lounge airside with 16 sound-proof rooms, and the Washington Dulles Airport Marriott is located on airport grounds with a free shuttle. There are no capsule hotels or sleeping pods in the terminals. Several other nearby hotels also offer shuttle service.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/washington-dulles-airport-guide.htm",
            "title": "Washington Dulles Airport Guide (IAD) - 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": "2018-08-08T21:11:21Z"
          },
          {
            "url": "https://www.sleepinginairports.net/sleep-guide/sleeping-in-washington-dulles-airport.htm",
            "title": "Sleeping in Washington Dulles Airport",
            "time_published": "2024-09-12T00:00:00Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/iadap-washington-dulles-airport-marriott/overview/?scid=d2406702-e8ea-4b45-bb9b-69",
            "title": "Hotel near IAD Airport | Washington Dulles Airport Marriott",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/iadap-washington-dulles-airport-marriott/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0",
            "title": "Hotel near IAD Airport | Washington Dulles Airport Marriott",
            "time_published": "2024-10-11T00:00:00Z"
          },
          {
            "url": "https://www.flydulles.com/",
            "title": "Official Website of Washington Dulles International Airport - IAD",
            "favicon": "https://www.flydulles.com/themes/custom/mwaa_barrio/favicon.ico",
            "time_published": "2026-07-17T00:00:00Z"
          },
          {
            "url": "https://www.airportsdata.net/airport-IAD-accommodation/",
            "title": "Sleeping at Dulles airport - Washington D.C.",
            "time_published": "2025-12-01T00:00:00Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Madrid to Washington?",
        "answer": "On the nonstop Madrid–Washington Dulles route, the most common aircraft is the Airbus A330-200 operated by Iberia, along with occasional Boeing 767-400 service by United and Iberia's Airbus A321-200 Neo. The exact aircraft can vary by day and airline; one-stop itineraries often feature Boeing 777s through London or Airbus A350-900s through New York. Wi‑Fi and seatback entertainment are widely available on these long‑haul jets, though specific amenities depend on the carrier and configuration.",
        "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 Madrid to Washington?",
        "answer": "Iberia (oneworld) and United Airlines (Star Alliance) fly nonstop from Madrid to Washington Dulles. No SkyTeam carrier operates this route nonstop, and neither airline is unaffiliated — connecting itineraries on other alliances may be available but are not part of the direct schedule.",
        "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 Madrid?",
        "answer": "At Madrid-Barajas Airport, you'll find several VIP lounges across terminals. In Terminal 4S (the non-Schengen satellite), the Neptuno VIP Lounge is open 24 hours and accessible with a boarding pass for that terminal; you can also purchase entry. Terminal 4 offers the Sala VIP Plaza Mayor and The Hub Lounge Aerotel, while Terminals 1, 2, and 3 have the Sala VIP Cibeles, Sala VIP Puerta De Alcala, and Sala VIP Puerta Del Sol respectively. Many of these lounges accept Priority Pass, and American Express Platinum cardholders can access several of them as well.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/spain/adolfo-suarez-madrid-barajas",
            "title": "Adolfo Suárez Madrid-Barajas Airport MAD Lounges - MAD Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://www.prioritypass.com/en-GB/lounges/spain/adolfo-suarez-madrid-barajas",
            "title": "Adolfo Suárez Madrid-Barajas Airport MAD Lounges - MAD Airport Guide and lounges. | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://americanexpress.com/en-xb/travel/lounges/the-platinum-card/MAD",
            "title": "American Express Lounges at Madrid Barajas Airport | Amex XB",
            "time_published": "2026-05-05T00:00:00Z"
          },
          {
            "url": "https://americanexpress.com/en-au/travel/lounges/the-platinum-card/MAD",
            "title": "American Express Lounges at Madrid Barajas Airport | Amex AU",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://serviciosvip.aena.es/vip/en/aeropuertos/adolfo-suarez-madrid-barajas/salas-vip/neptuno",
            "title": "Neptuno VIP Lounge at Adolfo Suarez Madrid Barajas Airport - Aena VIP Services",
            "favicon": "https://serviciosvip.aena.es/vip"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Madrid to Washington?",
        "answer": "Baggage allowance on Madrid–Washington flights varies by airline and fare. Basic economy tickets often exclude a checked bag, while standard international economy typically includes one checked bag and a carry‑on. Premium cabins offer more generous allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Madrid to Washington?",
        "answer": "Flights from Madrid to Washington typically 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 differ by carrier and fare class; flexible and premium cabin tickets typically allow same‑day changes or standby, while restrictive economy fares often do not."
      }
    }
  }
}