{ "response": { "Key": "HND-SEA", "orig": { "code": "HND", "type": "airport", "city": "Tokyo", "fullCity": "Tokyo, Japan", "airport": "Haneda Intl Airport" }, "dest": { "code": "SEA", "type": "airport", "city": "Seattle", "fullCity": "Seattle, Washington", "airport": "Seattle-Tacoma Intl Airport" }, "faq": { "q0": { "question": "What is the typical flight duration from Tokyo to Seattle?", "answer": "A nonstop flight from Tokyo (HND) to Seattle (SEA) typically takes about 9 hours 10–20 minutes eastbound. The return westbound flight is generally a bit longer, around 10 hours 15–25 minutes. With one stop, total travel time often ranges from 12 to 15 hours." }, "q1": { "question": "Are there any direct flights from Tokyo to Seattle?", "answer": "Yes, Delta and ANA both fly nonstop from Tokyo Haneda to Seattle. Delta runs three flights a day (departing around 4 PM), while ANA has one daily flight departing around 9:15 PM — together that's 28 weekly nonstops, all operating daily.", "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 Tokyo to Seattle?", "answer": "Yes. Japanese citizens traveling from Tokyo to Seattle for tourism or business for 90 days or less do not need a visa but must obtain an ESTA authorization under the Visa Waiver Program. U.S. citizens traveling to Japan for short-term tourism or business do not need a visa for stays up to 90 days. Travelers of other nationalities should check both U.S. and Japanese entry requirements based on their citizenship." }, "q3": { "question": "What are the ground transportation options in Seattle?", "answer": "Link light rail is the most-used and often fastest option, reaching downtown Seattle in about 40 minutes for a flat fare. Rideshare services like Uber and Lyft pick up on the third floor of the airport parking garage, while metered taxis are available from the same level on the north and south curbs. Rental car shuttles run 24/7 to an off-site facility, and King County Metro buses stop near the light rail station for additional transit connections. Private shuttles and charter buses can be arranged for door-to-door service.", "toolsUsed": [], "references": [ { "url": "https://www.portseattle.org/blog/smooth-sailing-guide-between-sea-airport-and-seattle-cruise-terminals", "title": "Smooth Sailing Guide between SEA Airport and the Seattle Cruise Terminals | Port of Seattle", "time_published": "2025-05-05T00:00:00Z" }, { "url": "https://www.portseattle.org/blog/wander-while-you-wait-exploring-beyond-sea", "title": "Wander While You Wait — Exploring Beyond SEA | Port of Seattle", "time_published": "2025-08-18T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/SeaTac_Airport", "title": "Seattle–Tacoma International Airport - Wikipedia", "time_published": "2003-07-10T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Seattle%E2%80%93Tacoma%20International%20Airport", "title": "Seattle–Tacoma International Airport", "time_published": "2026-04-29T19:20:41Z" }, { "url": "http://www.portseattle.org/exploremore?page=1&tid=125", "title": "Explore More List | Port of Seattle", "time_published": "2000-01-01T00:00:00Z" } ] }, "q4": { "question": "When is the cheapest time to fly from Tokyo to Seattle?", "answer": "February, April, and September are the cheapest months to fly from Tokyo to Seattle, with average fares around $961–$967. June is the most expensive month at $1,278 on average, followed by December and July, which also see high prices.", "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 Tokyo to Seattle?", "answer": "For flights from Tokyo to Seattle, the optimal booking window is roughly 23–26 weeks (about 5.5–6 months) ahead of departure, when average fares are around $1,025. Booking about 175 days out can yield the lowest single price near $1,011, while last‑minute tickets (0 days ahead) jump to about $1,353. Summer and holiday periods tend to sell out earlier, so aiming for that 5–6 month window is especially important for peak travel dates.", "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 Tokyo to Seattle?", "answer": "No nonstop red-eye flights operate from Tokyo Haneda to Seattle. One-stop overnight itineraries are available, with the long leg being Air France's HND–CDG departure at 21:50 arriving at 05:45 the next morning, then connecting onward to Seattle via Paris Charles de Gaulle.", "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 Tokyo to Seattle?", "answer": "Delta and All Nippon Airways (ANA) fly nonstop from Tokyo Haneda to Seattle. Delta operates three flights a day, totaling 21 weekly departures, with a typical median fare around $1,749. ANA runs a single daily flight, with a median fare near $2,139.", "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 Tokyo and Seattle?", "answer": "Common layovers include Seoul, Vancouver, San Francisco and Los Angeles, offering efficient transfers and broad onward connections." }, "q9": { "question": "How reliable are on‑time departures on this route from Tokyo to Seattle?", "answer": "Reliability is generally good, though afternoon flights can be impacted by earlier delays. Morning departures, such as those on ANA or Delta, typically have the best on-time performance." }, "q10": { "question": "Which months have the best weather for traveling to Seattle?", "answer": "Mid‑June to early October offers the mildest, driest weather and fewer tourists than peak summer." }, "q11": { "question": "What documents should I bring with me to the airport when flying from Tokyo to Seattle?", "answer": "Bring a passport valid for the duration of your U.S. stay, a valid U.S. visa or ESTA authorization, proof of onward or return travel, a payment method for baggage, and any required vaccination certificates." }, "q12": { "question": "Which airport should I use in Seattle?", "answer": "Seattle‑Tacoma International Airport is the primary commercial airport serving the Seattle area, located about 14 miles south of downtown. It offers extensive domestic and international connections and is the main choice for all travellers." }, "q13": { "question": "How do I get to Haneda Intl Airport from the city center?", "answer": "From central Tokyo, the fastest and most popular way to reach Haneda Airport is the Tokyo Monorail from Hamamatsuchō Station or the Keikyū Airport Line from Shinagawa, both taking under 30 minutes. Limousine buses serve major hotels and stations with door-to-door convenience, while taxis and ride‑shares offer a direct but pricier option, especially for groups or late‑night travel. Driving is possible via the Shuto Expressway, with short‑term and long‑term parking available at the airport.", "toolsUsed": [], "references": [ { "url": "https://en.wikipedia.org/wiki/Haneda%20Airport", "title": "Haneda Airport", "time_published": "2026-04-27T06:20:30Z" }, { "url": "http://www.mlit.go.jp/koku/15_hf_000051.html", "title": "Tokyo International (Haneda) Airport - MLIT Japan" }, { "url": "https://en.wikipedia.org/wiki/Haneda%20Route", "title": "Haneda Route", "time_published": "2025-08-02T01:46:55Z" }, { "url": "https://www.mlit.go.jp/en/report/press/kouku07_hh_000001.html", "title": "Press Release：Revision of Domestic Passenger Service Facility Charge（PSFC）at Tokyo Int’l Airport(HANEDA) - MLIT Ministry of Land, Infrastructure, Transport and Tourism", "time_published": "2014-01-07T00:00:00Z" }, { "url": "https://www.tokyo-airport-bldg.co.jp/en/", "title": "Japan Airport Terminal Co., Ltd.", "favicon": "https://www.tokyo-airport-bldg.co.jp/site_resource/common/img/000013562.png", "time_published": "2026-06-23T00:00:00Z" } ] }, "q16": { "question": "Are there accessible services or children's facilities at the Tokyo and Seattle airports?", "answer": "Tokyo Haneda Airport features universal design with braille blocks, multipurpose toilets, and concierges certified as Care-Fitter service assistants; request wheelchair assistance through your airline at least 48 hours ahead. Seattle-Tacoma International Airport offers wheelchair services, the SEA Access program, and a sunflower lanyard for invisible disabilities, with assistance best arranged in advance with your airline. Both airports have children’s facilities like baby seats in restrooms at Haneda and upcoming sensory rooms at SEA.", "toolsUsed": [], "references": [ { "url": "https://www.tokyo-airport-bldg.co.jp/en/sustainability/social/diversity/index.html", "title": "Diversity & Inclusion｜Japan Airport Terminal Co., Ltd.", "time_published": "2002-01-01T00:00:00Z" }, { "url": "https://www.tokyo-airport-bldg.co.jp/en/sustainability/social/relief_and_safety/03/index.html", "title": "Facility and Service Information｜Japan Airport Terminal Co., Ltd.", "time_published": "2002-01-01T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Haneda_Airport_Terminal_1_Station", "title": "Haneda Airport Terminal 1 Station", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-06-10T02:50:49Z" }, { "url": "https://en.wikipedia.org/wiki/Haneda%20Airport", "title": "Haneda Airport", "time_published": "2026-04-27T06:20:30Z" }, { "url": "https://www.mlit.go.jp/en/report/press/kouku07_hh_000001.html", "title": "Press Release：Revision of Domestic Passenger Service Facility Charge（PSFC）at Tokyo Int’l Airport(HANEDA) - MLIT Ministry of Land, Infrastructure, Transport and Tourism", "time_published": "2014-01-07T00:00:00Z" }, { "url": "https://www.portseattle.org/page/accessibility-faqs", "title": "Accessibility FAQS | Port of Seattle", "time_published": "2026-01-01T00:00:00Z" }, { "url": "http://www.portseattle.org/Sea-Tac/Pages/default.aspx", "title": "Seattle-Tacoma International Airport | Port of Seattle", "time_published": "2026-04-18T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/SeaTac_Airport", "title": "Seattle–Tacoma International Airport - Wikipedia", "time_published": "2003-07-10T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Seattle_Tacoma_International_Airport", "title": "Seattle–Tacoma International Airport - Wikipedia", "time_published": "2003-07-10T00:00:00Z" }, { "url": "https://www.portseattle.org/news/sea-access-launches-create-most-accessible-airport", "title": "SEA Access Launches to Create Most Accessible Airport | Port of Seattle", "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico", "time_published": "2023-11-15T00:00:00Z" } ] }, "q17": { "question": "What aircraft are typically used on flights from Tokyo to Seattle?", "answer": "The most common aircraft on the nonstop Tokyo Haneda–Seattle route are the Boeing 787-9, flown by Japan Airlines and ANA, and the Airbus A330-200, flown by Alaska Airlines. On connecting itineraries, the Boeing 787-9 also appears frequently via Los Angeles or Calgary, while the Airbus A330-200 shows up via Honolulu and the Boeing 777-200LR via Seoul. The exact aircraft can vary by day and airline, but the 787-9 is the dominant type on this corridor.", "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 Tokyo to Seattle?", "answer": "Delta (SkyTeam) and All Nippon Airways (Star Alliance) fly nonstop from Tokyo Haneda to Seattle. No Oneworld airline serves the route nonstop, and no alliance-neutral carrier like JetBlue or Emirates operates it directly.", "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 Tokyo?", "answer": "At Tokyo Haneda (HND) Terminal 3, international travelers can access the Delta Sky Club and The Centurion Lounge, both offering premium food, spirits, and flight monitors. The Centurion Lounge is available to American Express Platinum and Centurion cardholders, while the Delta Sky Club admits Delta One, SkyTeam Premium Cabin, and eligible elite members. Terminal 3 also houses the Sky Lounge South and TIAT Lounge, which provide pay-per-use access and are open 24 hours. In Terminal 2, the Power Lounge Premium features showers and Wi-Fi for Priority Pass members and premium cabin passengers, operating from 6:30 AM to midnight. Several other Power Lounges and Airport Lounge South are available across Terminals 1 and 2, typically open from 9:00 AM to 4:00 PM.", "toolsUsed": [], "references": [ { "url": "https://www.prioritypass.com/ja-JP/lounges/japan/haneda", "title": "Tokyo International Airport HND Lounges - HND Airport Guide and lounges. | Priority Pass", "time_published": "2024-11-05T00:00:00Z" }, { "url": "https://my.prioritypass.com/en-GB/lounges/japan/haneda", "title": "Tokyo International Airport HND Lounges - HND Airport Guide and lounges. | Priority Pass", "time_published": "2024-11-05T00:00:00Z" }, { "url": "https://americanexpress.com/en-hk/travel/lounges/the-platinum-card/HND", "title": "American Express Lounges at Tokyo International Airport | Amex HK", "time_published": "2026-01-01T00:00:00Z" }, { "url": "https://emirates.com/english/destinations/flights-to-tokyo-haneda", "title": "Flights to Tokyo Haneda (HND) | Where we fly | Emirates", "time_published": "2025-05-13T00:00:00Z" }, { "url": "https://www.americanexpress.com/en-us/travel/lounges/the-centurion-card-idc-en/HND/Power-Lounge-Premium-Terminal-2-KwhPoM22Lg/", "title": "Power Lounge Premium at Tokyo International Airport | Amex US", "time_published": "2026-03-18T00:00:00Z" } ] }, "q21": { "question": "What is the baggage allowance on this route from Tokyo to Seattle?", "answer": "Baggage rules differ by airline and fare type. Basic economy may not include a checked bag; standard economy usually includes one checked bag and a carry‑on. Premium cabins typically offer two checked bags and a carry‑on." }, "q22": { "question": "What cabin and seat options are typical from Tokyo to Seattle?", "answer": "On Tokyo to Seattle flights, you’ll find Economy, Premium Economy, and flat-bed Business class; First class is available on select flights." }, "q23": { "question": "Are same‑day changes or standby possible on this route?", "answer": "Same-day changes or standby depend on the airline and fare class, with flexible tickets and premium cabins offering more generous options." } } } }