{
  "response": {
    "Key": "CDG-IAD",
    "orig": {
      "code": "CDG",
      "type": "airport",
      "city": "Paris",
      "fullCity": "Paris, France",
      "airport": "Charles de Gaulle Intl 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 Paris to Washington?",
        "answer": "A nonstop flight from Paris (CDG) to Washington (IAD) typically takes about 8 hours 30 minutes. With one stop, depending on the layover city, total travel time often ranges from 12 to 14 hours."
      },
      "q1": {
        "question": "Are there any direct flights from Paris to Washington?",
        "answer": "Yes, Air France and United both fly nonstop from Paris CDG to Washington Dulles. Each operates daily, with Air France offering 26 weekly flights and United 21 weekly flights, so there are several departures every day.",
        "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 Paris to Washington?",
        "answer": "Yes — visa requirements depend on citizenship. For U.S. citizens traveling from Paris to Washington, no visa is needed. For French citizens, travel to the U.S. for tourism or business for up to 90 days is generally visa‑free under the Visa Waiver Program, but ESTA authorization is required. Other nationalities should check U.S. visa requirements based on their passport. For travel in the opposite direction, Washington to Paris, U.S. citizens can enter France and the Schengen Area for up to 90 days without a visa, but starting mid‑2025 will need an ETIAS authorization. French citizens returning home face no entry restrictions."
      },
      "q3": {
        "question": "What are the ground transportation options in Washington?",
        "answer": "From Washington Dulles (IAD), the Silver Line Metrorail is the most-used and reliable way to reach downtown DC—take the Silver Line Express bus from Door 4 to the Wiehle-Reston East station ($5, 15–20 min), then board a train into the city. Taxis operated by Washington Flyer are available 24/7 outside Doors 2 or 6, offering a direct but pricier ride. Ride-share services like Uber and Lyft are authorized and can be coordinated via smartphone. Shared vans (SuperShuttle, Supreme Shuttle) and rental cars are also available, though the Metrorail is generally the fastest and most popular option.",
        "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 Paris to Washington?",
        "answer": "The cheapest months to fly from Paris to Washington are October (around $660), November ($672), and September ($703), with April also offering lower fares near $770. The most expensive months are June (about $1,108), May ($976), and July ($974), while March, August, January, December, and February fall in between as shoulder or mixed‑price months.",
        "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 Paris to Washington?",
        "answer": "For Paris to Washington, the best fares are typically found when booking 10 to 13 weeks ahead, with an average price around $857. The absolute cheapest window is roughly 65 to 85 days out, where fares can dip to about $854, and prices rise sharply within a month of departure, exceeding $1,400 for last-minute tickets. During peak summer and holidays, demand pushes fares higher, so aiming for the early side of that 10-13 week window or even a bit earlier can help secure 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. 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 Paris to Washington?",
        "answer": "No overnight (red-eye) flights operate from Paris Charles de Gaulle to Washington Dulles — neither nonstop nor connecting itineraries with a red-eye long leg are available on this route.",
        "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 Paris to Washington?",
        "answer": "Air France and United operate non‑stop flights from Paris Charles de Gaulle to Washington Dulles. Air France offers 26 weekly flights with multiple daily departures, while United runs 21 weekly flights at a typical fare around $890. Both carriers fly daily on this route.",
        "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 Paris and Washington?",
        "answer": "Common layover cities between Paris and Washington include London, Dublin, Reykjavik, and Amsterdam. London offers numerous daily flights and extensive connections, while Dublin and Reykjavik provide US preclearance, saving time upon arrival. Amsterdam features efficient transfers and a compact, single-terminal airport."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Paris to Washington?",
        "answer": "Departures from Charles de Gaulle are generally punctual, though afternoon flights can face air traffic delays. Early morning flights, particularly on Air France or United, tend to be more reliable."
      },
      "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 Paris to Washington?",
        "answer": "Bring a passport valid for the duration of your stay, an ESTA 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": "Washington Dulles is the primary international gateway, with many long‑haul connections and Star Alliance dominance. Ronald Reagan National is closest to downtown, ideal for domestic and short‑haul business travel. Baltimore/Washington serves low‑cost carriers and some international routes but is farther from central Washington."
      },
      "q13": {
        "question": "How do I get to Charles de Gaulle Intl Airport from the city center?",
        "answer": "From central Paris, the RER B regional train is the most popular and often fastest public transit option, reaching the airport in about 30–35 minutes for a moderate fare. Bus 9517 (formerly RoissyBus) departs from Saint-Denis Pleyel and connects to metro line 14, while shuttle services also run to Orly and Disneyland. Taxis offer a fixed-fare, door-to-door ride that is pricier but convenient, and ride-share VTCs can be booked on arrival. Driving is straightforward via the A1 and A3 autoroutes, with several on-site parking options available.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://parisaeroport.fr/en/passengers/charles-de-gaulle-airport",
            "title": "Welcome to Charles-de-Gaulle airport (CDG Airport) - Paris Aéroport",
            "time_published": "2026-03-25T23:16:15Z"
          },
          {
            "url": "https://parisaeroport.fr/en/charles-de-gaulle-airport/terminal-3",
            "title": "Maps & Terminals at Paris Charles de Gaulle – Paris Aéroport",
            "time_published": "2026-03-25T23:15:25Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/CDG%20Express",
            "title": "CDG Express",
            "time_published": "2026-01-29T07:39:10Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Aéroport_Charles_de_Gaulle_2_TGV_station",
            "title": "Aéroport Charles de Gaulle 2 TGV station",
            "time_published": "2026-04-23T11:27:05Z"
          },
          {
            "url": "https://www.parisaeroport.fr/en/group/strategy/airport-network/paris-charles-de-gaulle-airport",
            "title": "Pardon Our Interruption"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Washington airport?",
        "answer": "Washington Dulles Airport (IAD) has the Sleepbox Lounge airside, offering 16 sound-proof rooms for rest. There are no true on-site hotels inside the terminal, but the Washington Dulles Airport Marriott is located on airport grounds and connected by a free shuttle that runs every 15 minutes. No capsule hotels or sleeping pods are available.",
        "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"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Washington Intl Airport?",
        "answer": "Washington Dulles International Airport provides international currency exchange, a non-denominational interfaith chapel, and free Wi‑Fi. Currency exchange is available in the main terminal; the interfaith chapel is located near Baggage Claim 4, and free Wi‑Fi is accessible throughout the airport.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.flydulles.com/dulles-international-airport-nominated-2024-usa-todays-10best-shopping-large-airport-lounge",
            "title": "Dulles International Airport Nominated for 2024 USA Today’s ‘10Best’ Shopping, Large Airport & Lounge | flydulles.com",
            "time_published": "2022-03-01T00:00:00Z"
          },
          {
            "url": "https://flydulles.com/about-dulles-international",
            "title": "flydulles.com - About Dulles International",
            "time_published": "2022-03-01T00:00:00Z"
          },
          {
            "url": "https://mwaa.com/iad-rfi",
            "title": "mwaa.com - US DOT Request for Information to Revitalize Washington Dulles International Airport",
            "favicon": "https://mwaa.com/themes/custom/mwaa_barrio/favicon.ico"
          },
          {
            "url": "https://mwaa.com/alert/rfi-revitalize-dulles-international-airport",
            "title": "mwaa.com - US DOT Request for Information to Revitalize Washington Dulles International Airport",
            "favicon": "https://mwaa.com/themes/custom/mwaa_barrio/favicon.ico"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Dulles%20International%20Airport",
            "title": "Dulles International Airport",
            "time_published": "2026-04-30T14:07:38Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Paris to Washington?",
        "answer": "The most common aircraft on nonstop flights from Paris to Washington are the Boeing 787-8 (operated by United) and the Airbus A350-900 and Boeing 777-300ER (both operated by Air France). On connecting itineraries, the Boeing 777 and Airbus A330 families appear frequently on the long transatlantic leg, often via London, Madrid, or Dublin. The exact aircraft can vary by day and airline, and Wi‑Fi with seatback entertainment is widely available on these long‑haul jets.",
        "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 Paris to Washington?",
        "answer": "Air France (SkyTeam) and United Airlines (Star Alliance) fly nonstop from Paris CDG to Washington Dulles. Both carriers belong to an alliance, so all three major alliances are represented on this route — SkyTeam and Star Alliance through the nonstop operators, and oneworld would only be available 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 Paris?",
        "answer": "At Paris Charles de Gaulle, the Lufthansa Business Lounge in Terminal 1 offers a comfortable pre-flight space for eligible business class and elite status passengers, with showers and a selection of food and drinks. In Terminal 2E, the YotelAir Paris Charles de Gaulle lounge is open 24/7 and welcomes travelers via Priority Pass, day pass, or American Express Platinum cards, providing a relaxed environment with runway views and light refreshments.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://americanexpress.com/en-ca/travel/lounges/the-platinum-card/CDG",
            "title": "American Express Lounges at Paris Charles de Gaulle Airport | Amex CA",
            "time_published": "2026-05-01T00:00:00Z"
          },
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/france/paris-charles-de-gaulle",
            "title": "Charles De Gaulle International Airport CDG Lounges - CDG Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://parisaeroport.fr/en/passengers/charles-de-gaulle-airport",
            "title": "Welcome to Charles-de-Gaulle airport (CDG Airport) - Paris Aéroport",
            "time_published": "2026-03-25T23:16:15Z"
          },
          {
            "url": "https://americanexpress.com/de-de/travel/lounges/the-platinum-card/CDG",
            "title": "American Express Lounges at Paris Charles de Gaulle Airport | Amex DE",
            "time_published": "2026-05-03T00:00:00Z"
          },
          {
            "url": "https://parisaeroport.fr/en/charles-de-gaulle-airport/terminal-3",
            "title": "Maps & Terminals at Paris Charles de Gaulle – Paris Aéroport",
            "time_published": "2026-03-25T23:15:25Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Paris to Washington?",
        "answer": "Baggage allowance depends on the airline and fare type. Basic economy fares may not include 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 Paris to Washington?",
        "answer": "Flights from Paris 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 vary by airline and fare; flexible and premium cabin bookings often allow same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}