{"response": {"Key": "IAD-PAR", "orig": {"code": "IAD", "type": "airport", "city": "Washington", "fullCity": "Washington, United States", "airport": "Washington Intl Airport"}, "dest": {"code": "PAR", "type": "airport", "city": "Paris", "fullCity": "Paris, France", "airport": "Charles de Gaulle Intl Airport"}, "faq": {"q0": {"question": "What is the typical flight duration from Washington to Paris?", "answer": "The nonstop flight from Washington Dulles to Paris covers about 3,850 miles. Outbound to Paris typically takes 7 hours 30 minutes, while the return to Washington averages 8 hours 40 minutes—about an hour longer due to prevailing headwinds.", "methodology": "Carrier service, flight times and distances for this route come 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). We report the days of the week and the departure times each carrier operates. The typical flight time is the median scheduled block time, given both per carrier and across all carriers on the route; where a schedule does not publish an elapsed time, it is derived from the scheduled departure and arrival times converted to UTC. Outbound and return times are computed by the same method, so the difference between them is directly comparable and reflects prevailing winds rather than any change in derivation. Distance is the great-circle distance between the two specific airports named, so an actual flown track is typically 2-5% longer. Where shown, on-time departure and arrival rates and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; where a typical fare is shown, it comes from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold.", "toolsUsed": ["flight_schedule"]}, "q1": {"question": "Are there any direct flights from Washington to Paris?", "answer": "Yes, United Airlines and Air France both fly nonstop from Washington Dulles (IAD) to Paris Charles de Gaulle (CDG), each operating daily. United runs up to 11 flights a day with departures from late afternoon through late evening, while Air France offers about 6 daily departures in the same window. The flight takes roughly 7½ hours eastbound and about 8½ hours on the return.", "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, flight times and distances for this route come 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). We report the days of the week and the departure times each carrier operates. The typical flight time is the median scheduled block time, given both per carrier and across all carriers on the route; where a schedule does not publish an elapsed time, it is derived from the scheduled departure and arrival times converted to UTC. Outbound and return times are computed by the same method, so the difference between them is directly comparable and reflects prevailing winds rather than any change in derivation. Distance is the great-circle distance between the two specific airports named, so an actual flown track is typically 2-5% longer. Where shown, on-time departure and arrival rates and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; where a typical fare is shown, it comes from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold.", "toolsUsed": ["route_airlines", "flight_schedule"]}, "q3": {"question": "What are the ground transportation options in Paris?", "answer": "From Paris Charles de Gaulle Airport, the RER B train is the most popular way into central Paris, reaching Gare du Nord in roughly 30 minutes. Taxis offer fixed fares and a direct ride from terminal ranks, while ride-share services (VTCs) can also be booked on arrival. The RoissyBus (line 9517) connects to Saint-Denis Pleyel, and a dedicated CDG Express train to Gare de l'Est is scheduled to open in March 2027, cutting the trip to 20 minutes. Car rentals and private shuttles are available as well, but the RER B remains the fastest and most-used option for now.", "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"}]}, "q4": {"question": "When is the cheapest time to fly from Washington to Paris?", "answer": "The cheapest time to fly from Washington to Paris is in the fall, with October averaging $650, November $662, and September $700. The most expensive months are June ($1108), July ($977), and May ($976), making early summer the priciest 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 Washington to Paris?", "answer": "For flights from Washington to Paris, the best fares are usually found when booking 10 to 13 weeks before departure, with an average price around $857. The cheapest single day to book is about 75 days out at $854, while last-minute bookings within two weeks can exceed $1,300. For peak summer travel or holiday periods, it's wise to book toward the earlier end of that window or even a bit further out, as prices tend to rise more steeply close to departure.", "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 Paris?", "answer": "Yes, overnight red-eye flights are available nonstop from Washington Dulles to Paris Charles de Gaulle on Air France, with up to 17 weekly departures operating daily. Typical departure windows are between 9:25 PM and 10:25 PM, and these flights land the next morning in Paris.", "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 Washington to Paris?", "answer": "United Airlines and Air France operate nonstop from Washington Dulles to Paris Charles de Gaulle. United offers up to 74 weekly flights, while Air France runs about 38 weekly departures. For United, the median fare is around $1,287.", "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 Washington and Paris?", "answer": "Common layover cities include London, Amsterdam, Frankfurt, and Dublin, all offering efficient connections and competitive total travel times. London and Frankfurt provide extensive onward links, while Amsterdam is known for smooth transfers and a single-terminal layout. Dublin offers US pre-clearance on the return and visa-free transit for many nationalities."}, "q10": {"question": "Which months have the best weather for traveling to Paris?", "answer": "April to June and September to October offer pleasant temperatures, blooming or fall colors, and fewer tourists than summer."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Washington to Paris?", "answer": "Bring a passport valid for at least three months beyond your planned departure from France, proof of onward or return travel, and a payment method for any baggage fees. U.S. citizens do not need a visa for stays under 90 days, but a valid ETIAS travel authorization will be required once the system launches; confirm current requirements before travel."}, "q12": {"question": "Which airport should I use in Paris?", "answer": "Charles de Gaulle is the main hub for international flights to Paris with wide connections. Orly is closer to central Paris and handles mainly domestic and European services."}, "q13": {"question": "How do I get to Washington Intl Airport from the city center?", "answer": "From downtown Washington, you can take the Silver Line Express bus from Dulles to the Wiehle-Reston East Metrorail station, then ride the Silver Line train into the city. Ride‑share services like Uber and Lyft, as well as Washington Flyer taxis, offer direct door‑to‑door trips. Shared‑van shuttles provide a middle ground, while driving yourself means using the airport's economy lot with a free shuttle to the terminal. The Metrorail is the most popular and cost‑effective option; ride‑share and taxis are fastest but pricier, and parking is the least expensive for longer trips.", "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 Paris airport?", "answer": "Paris Charles de Gaulle Airport (CDG) has several on-site hotels, including the ibis Paris CDG Airport near Terminal 3 (a 5-minute walk) and the Courtyard by Marriott Paris Charles de Gaulle Central Airport, accessible via the free CDGVAL light-rail shuttle. There are no capsule hotels or sleeping pods, but the airport has rest zones and paid lounges for short stays. Additional nearby hotels are connected by shuttle or the CDGVAL tram, which links all terminals.", "toolsUsed": [], "references": [{"url": "https://sleepinginairports.net/guides/paris-charles-de-gaulle-airport-guide.htm", "title": "Paris Charles de Gaulle Airport Guide (CDG) - 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": "2018-10-02T00:00:43Z"}, {"url": "https://all.accor.com/hotel/1404/index.en.shtml", "title": "Ibis Paris CDG Airport - Charles-de-Gaulle Airport Hotel | ALL - ALL", "time_published": "2026-07-10T00:00:00Z"}, {"url": "https://www.sleepinginairports.net/reviews/paris-charles-de-gaulle-airport-reviews.htm", "title": "Paris Charles de Gaulle Airport Reviews (CDG)", "time_published": "2024-10-08T00:00:00Z"}, {"url": "https://meetings.accor.com/hotel/1404/index.en.shtml", "title": "Ibis Paris CDG Airport - Charles-de-Gaulle Airport Hotel | ALL - Meetings", "time_published": "2026-03-13T00:00:00Z"}, {"url": "https://www.marriott.com/en-us/hotels/parca-courtyard-paris-charles-de-gaulle-central-airport/overview/", "title": "Courtyard Paris Charles de Gaulle Central Airport - With Free CDG Tram", "time_published": "2025-02-19T00:00:00Z"}, {"url": "https://www.marriott.com/en-us/hotels/parca-courtyard-paris-charles-de-gaulle-central-airport/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0", "title": "Courtyard Paris Charles de Gaulle Central Airport - With Free CDG Tram", "time_published": "2025-02-19T00:00:00Z"}]}, "q17": {"question": "What aircraft are typically used on flights from Washington to Paris?", "answer": "The most common aircraft on nonstop flights from Washington Dulles to Paris 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 long-haul leg often uses Airbus A321neos, Boeing 777s, or Airbus A350s, depending on the airline and routing. The exact aircraft can vary by day and carrier, and while specific amenities aren't listed, Wi‑Fi and seatback entertainment are widely available on these long‑haul types.", "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 Paris?", "answer": "United Airlines (Star Alliance) and Air France (SkyTeam) fly nonstop from Washington Dulles to Paris CDG. Neither carrier is unaligned, and oneworld has no nonstop presence on this route; other alliances 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": "Washington Dulles offers several airline and independent lounges across its concourses. In Concourse A, you'll find the Virgin Atlantic Clubhouse, the Etihad Airways Lounge (operated as the Chase Sapphire Lounge by The Club), and the Air France/KLM Lounge, with the Air France/KLM Lounge accessible to business class passengers and SkyTeam Elite Plus members, and featuring a self-service bar and quiet seating. Concourse B houses the Turkish Airlines Lounge Washington D.C., which offers Turkish cuisine and shower suites for Star Alliance business class and elite passengers, though the Lufthansa Business and Senator Lounges are currently closed. The Capital One Lounge, located pre-security near the TSA checkpoints, is open to Capital One Venture X and Venture X Business cardholders, and provides locally inspired food, craft cocktails, and workspaces. Access policies vary by lounge, with most airline lounges admitting eligible premium cabin and status passengers, while the Capital One and Chase Sapphire lounges require specific credit cards.", "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 Paris?", "answer": "Baggage rules depend on the airline and fare class. Basic economy fares usually do not include a checked bag, while standard international economy typically allows one checked bag and a carry‑on. Premium cabins offer more generous allowances."}, "q22": {"question": "What cabin and seat options are typical from Washington to Paris?", "answer": "Flights from Washington to Paris typically offer Economy, Premium Economy, and flat‑bed Business class; First class is uncommon."}, "q23": {"question": "Are same‑day changes or standby possible on this route?", "answer": "Policies vary by airline and fare; flexible and premium cabin tickets often allow same‑day changes or standby, while Basic Economy typically does not."}}}}