{"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": "The flight from Paris to Washington covers about 3,850 miles. Nonstop flights typically take 8 hours and 40 minutes, while the return leg is about 7 hours and 30 minutes, making the westbound journey roughly 70 minutes longer due to prevailing winds.", "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 Paris to Washington?", "answer": "Yes, Air France and United both fly nonstop from Paris Charles de Gaulle to Washington Dulles, with daily service on each. Together they offer up to 47 weekly flights, with departures spread across the day from late morning through late afternoon. Flight time is about 8 hours 40 minutes eastbound and roughly 7 hours 30 minutes 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 Washington?", "answer": "Washington Dulles International Airport (IAD) offers several ground transportation options to downtown Washington, D.C., about 26 miles away. The fastest and most commonly used method is the Silver Line Express bus to the Wiehle-Reston East Metrorail station, which then connects to the Metrorail Silver Line train into the city; the bus runs every 15-20 minutes and costs $5 each way, though there is no rail service overnight. Taxis operated by Washington Flyer are available 24/7 from the arrivals level, while ride shares like Uber and Lyft can also pick up passengers directly. Shared van services and rental cars are additional options, but the Metrorail connection is the most popular for its balance of speed and cost.", "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, November, and September, with average fares around $650–$700. The most expensive period is late spring into early summer, particularly June, July, and May, where average prices climb to roughly $1,100, $977, and $976 respectively.", "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 flights from Paris to Washington, the best fares are typically found when booking 10 to 13 weeks before departure, with an average price around $857. The absolute cheapest window is about 11 weeks out (around $854), while last‑minute bookings can exceed $1,400. During peak summer and holiday periods, demand pushes prices higher, so aiming for the earlier end of that window or even a few weeks further 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. 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 red‑eye flights operate from Paris (CDG) to Washington (IAD) — the schedule shows neither nonstop overnight departures nor connecting itineraries whose long leg is a red‑eye.", "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 Paris and Washington?", "answer": "Common layover cities between Paris and Washington include London, Dublin, Reykjavik, and Amsterdam, all offering competitive total travel times. London provides extensive transatlantic connections. Dublin and Reykjavik feature US preclearance, allowing you to clear customs before departure and arrive as a domestic passenger. Amsterdam offers efficient single-terminal transfers at Schiphol."}, "q10": {"question": "Which months have the best weather for traveling to Washington?", "answer": "April to May and September to October offer pleasant temperatures, blooming or colorful foliage, 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 at least six months, an ESTA or visa, proof of onward or return travel, a payment method for baggage, and any required vaccination or insurance documents."}, "q12": {"question": "Which airport should I use in Washington?", "answer": "Washington Dulles is the main international gateway, located about 26 miles west of downtown, and serves as a United hub with extensive Star Alliance connections. Ronald Reagan Washington National is much closer to central DC and the National Mall but handles mostly domestic flights with limited international service. Baltimore/Washington International is farther north, about 30 miles from DC, and offers a mix of low‑cost carriers and Southwest flights."}, "q13": {"question": "How do I get to Charles de Gaulle Intl Airport from the city center?", "answer": "From central Paris, the RER B train is the most popular and direct public transit option to CDG, taking about 30 minutes. Taxis and ride‑share services offer door‑to‑terminal convenience with fixed fares, while shuttle buses provide a budget‑friendly alternative. Driving and parking are possible via major highways with various on‑site lots, though traffic can be unpredictable.", "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 does not have on-site hotels inside the terminal, but the Sleepbox Lounge offers 16 sound-proof rooms airside for resting. The Washington Dulles Airport Marriott is located on airport grounds and provides a free shuttle every 15 minutes. Other nearby hotels are within a 12-minute drive and 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"}]}, "q15": {"question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Washington Intl Airport?", "answer": "Washington Dulles International Airport (IAD) has international currency exchange services, an interfaith chapel, and free Wi‑Fi. Currency exchange is available in the main terminal and concourses, while the interfaith chapel is located pre‑security in the main terminal. Free Wi‑Fi is offered 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 777-300ER, Airbus A350-900, and Boeing 787-8, operated by Air France and United. Connecting itineraries most often use a Boeing 777 (via London Heathrow on British Airways) or an Airbus A321neo (via Dublin on Aer Lingus or via Lisbon on TAP), though the exact aircraft can vary by day and airline. Wi-Fi and seatback entertainment are widely available on these long-haul routes.", "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"]}, "q20": {"question": "What are the best airport lounge options when departing from Paris?", "answer": "At Paris Charles de Gaulle Airport, the Lufthansa Business Lounge in Terminal 1 offers a quiet space with complimentary food and drinks for business class passengers and Star Alliance Gold members. In Terminal 2E, the YotelAir Paris Charles de Gaulle provides a pay-per-use lounge with showers, a bar, and a 24-hour schedule, accessible to all travelers regardless of airline or class. Priority Pass members can also access the YotelAir lounge.", "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 on Paris–Washington flights depends on the airline and fare class. Basic economy tickets often exclude checked luggage, while standard 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": "Typical options include Economy and flat‑bed Business class, with Premium Economy widely available on nonstop flights."}, "q23": {"question": "Are same‑day changes or standby possible on this route?", "answer": "Policies depend on the airline and fare class; flexible and premium cabin tickets often allow same‑day changes or standby, while restrictive economy fares typically do not."}}}}