{ "response": { "Key": "CHI-TYO", "orig": { "code": "CHI", "type": "airport", "city": "Chicago", "fullCity": "Chicago, Illinois", "airport": "Dupage County" }, "dest": { "code": "TYO", "type": "airport", "city": "Tokyo", "fullCity": "Tokyo, Japan", "airport": "Narita Intl Airport" }, "faq": { "q0": { "question": "What is the typical flight duration from Chicago to Tokyo?", "answer": "A nonstop flight from Chicago (ORD) to Tokyo (NRT/HND) typically takes about 12 hours 30 minutes to 13 hours. With one stop, depending on the connection city, total travel time often ranges from 15 to 18 hours." }, "q2": { "question": "Are there visa requirements to travel from Chicago to Tokyo?", "answer": "Yes, visa requirements depend on your nationality. If you are a U.S. citizen, you can enter Japan visa‑free for short‑term stays (typically up to 90 days for tourism or business). If you are a Japanese citizen, you may need a visa to enter the United States unless you are eligible for the Visa Waiver Program and have an approved ESTA. For other nationalities, check both Japanese and U.S. entry rules before travel." }, "q4": { "question": "When is the cheapest time to fly from Chicago to Tokyo?", "answer": "The cheapest time to fly from Chicago to Tokyo is in April, August, September, and November, with average fares as low as $1,175 in April. The most expensive months are June, December, and May, when average prices climb to $1,572 in June.", "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 Chicago to Tokyo?", "answer": "For flights from Chicago to Tokyo, the best fares are typically found when booking 23 to 26 weeks (roughly 5.5 to 6 months) ahead, averaging around $1,365. During peak summer and holiday periods, prices can rise significantly closer to departure, so aiming for that 5-6 month window becomes even more important to avoid higher costs.", "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 Chicago to Tokyo?", "answer": "No overnight (red-eye) flights are available from Chicago to Tokyo — the published schedule shows no nonstop red-eyes and no connecting itineraries whose long leg is a red-eye 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 Chicago to Tokyo?", "answer": "Japan Airlines flies non‑stop from Chicago O'Hare to both Narita and Haneda, with 35 weekly flights on each route. United also serves Haneda non‑stop with 28 weekly flights, while ANA offers 21 weekly flights to each Tokyo airport. The schedule data does not include median fares for these carriers, but they are the main non‑stop operators on the 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 Chicago and Tokyo?", "answer": "Common layovers include Vancouver, Seattle, San Francisco and Los Angeles, offering efficient transfers and broad connections while keeping total travel time competitive." }, "q9": { "question": "How reliable are on‑time departures on this route from Chicago to Tokyo?", "answer": "On‑time performance is generally good, but afternoon storms at O'Hare can cause delays. Choosing early departures on ANA or Japan Airlines often yields better punctuality." }, "q10": { "question": "Which months have the best weather for traveling to Tokyo?", "answer": "Late March to May for cherry blossoms and pleasant temperatures, and October to November for crisp autumn weather and thinner crowds." }, "q11": { "question": "What documents should I bring with me to the airport when flying from Chicago to Tokyo?", "answer": "Bring a passport valid throughout your stay, any required visa or Japan's eVisa, proof of onward or return travel, a payment method for baggage and any necessary vaccination or insurance documents." }, "q12": { "question": "Which airport should I use in Tokyo?", "answer": "Narita is the main international gateway with extensive global connections, located about 60 km east of central Tokyo. Haneda is much closer to downtown, ideal for business travellers, and offers increasing international flights alongside domestic routes." }, "q14": { "question": "Are there hotels or sleeping facilities at Tokyo airport?", "answer": "Tokyo Narita Airport offers a 24-hour capsule hotel called nine hours Narita Airport at Terminal 2, where you can rent a pod overnight or by the hour, and day rooms with showers are available in Terminals 1 and 2. No on-site hotels require a shuttle, but several traditional hotels are located within a quick drive of the airport, connected by shuttle.", "toolsUsed": [], "references": [ { "url": "https://sleepinginairports.net/guides/tokyo-narita-airport-guide.htm", "title": "Tokyo Narita Airport Guide (NRT) - 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": "2018-10-02T00:00:56Z" }, { "url": "https://www.sleepinginairports.net/sleep-guide/sleeping-in-tokyo-narita-airport.htm", "title": "Sleeping in Tokyo Narita Airport", "time_published": "2024-04-29T00:00:00Z" }, { "url": "https://activities.marriott.com/asia/japan/tokyo/activities/private_one_way_transfer_narita_airport_to_tokyo-XBHJ84", "title": "Private One-way Transfer Narita Airport To Tokyo", "time_published": "2026-02-23T00:00:00Z" }, { "url": "http://activities.marriott.com/asia/japan/ginza/activities/private_departure_transfer_central_tokyo_city_to_narita_international_airport-XARSOP?property=TYOAR", "title": "Private Departure Transfer : Central Tokyo City to Narita International Airport", "time_published": "2026-04-01T00:00:00Z" }, { "url": "https://all.accor.com/a/en/destination/place/hotels-narita-international-airport-ci242.html?pageIndex=2", "title": "Hotels near Narita International Airport – Book on all.accor.com", "time_published": "2026-04-22T00:00:00Z" }, { "url": "http://www.narita-airport.jp/en/service/transportation/capsule-hotel/", "title": "Capsule Hotel | NARITA INTERNATIONAL AIRPORT", "time_published": "2016-01-01T00:00:00Z" } ] }, "q15": { "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Narita Intl Airport?", "answer": "Narita International Airport has currency exchange counters in both Terminal 1 (basement 1, arrival lobby, 3rd floor airside, and 4th floor) and Terminal 2 (basement 1 and arrival lobby). Prayer rooms are located on the 3rd floor of Terminal 1, both before and after outbound passport control. Free internet is available on the 4th floor of Terminal 1, and Wi‑Fi rental counters are found in several locations across both terminals.", "toolsUsed": [], "references": [ { "url": "http://www.narita-airport.jp/en/service/ud/guide/", "title": "Narita Airport Facility Layout | NARITA INTERNATIONAL AIRPORT", "time_published": "2016-01-01T00:00:00Z" }, { "url": "http://www.narita-airport.jp/en/service/transportation/", "title": "Transportation / Accommodation / Refreshment Space | NARITA INTERNATIONAL AIRPORT", "time_published": "2016-01-01T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Narita%20Express", "title": "Narita Express", "time_published": "2026-03-01T17:13:38Z" }, { "url": "https://en.wikipedia.org/wiki/Narita_Express", "title": "Narita Express", "time_published": "2026-06-09T19:28:20Z" }, { "url": "http://www.mlit.go.jp/koku/15_hf_000032.html", "title": "Narita International Airport - MLIT Japan", "time_published": "2006-01-01T00:00:00Z" } ] }, "q17": { "question": "What aircraft are typically used on flights from Chicago to Tokyo?", "answer": "On nonstop flights from Chicago to Tokyo, the Boeing 777-300ER, Boeing 777-300, Boeing 787-8, Boeing 787-10, and a generic Boeing 787 are the common types, with the 777-300ER and 787 variants appearing most often across ANA, JAL, and United. The exact aircraft can vary by day and airline, and connecting itineraries frequently use Boeing 787-9s or 777-300ERs on the long transpacific leg via hubs like Los Angeles, Dallas/Fort Worth, or Denver. 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 Chicago to Tokyo?", "answer": "Nonstop flights from Chicago to Tokyo are operated by Japan Airlines (oneworld), All Nippon Airways, and United Airlines (both Star Alliance). SkyTeam does not have a 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. 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" ] }, "q21": { "question": "What is the baggage allowance on this route from Chicago to Tokyo?", "answer": "Baggage policies on Chicago–Tokyo flights vary by airline. Basic economy often excludes checked baggage, while standard international economy usually includes one free checked bag and a carry‑on. Premium cabins offer additional allowances." }, "q22": { "question": "What cabin and seat options are typical from Chicago to Tokyo?", "answer": "Flights from Chicago to Tokyo generally provide Economy, Premium Economy, and flat-bed Business class, with First class 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 class, with flexible and premium tickets offering the most lenient options." } } } }