694 € Cheap Flights from Seattle / Tacoma International to Tokyo Haneda

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      Travellers and cabin class, 1 Adult, Economy
      Delta
      Vietnam Airlines
      Thai Airways
      United
      ANA (All Nippon Airways)

      Compare Seattle / Tacoma International to Tokyo Haneda flight deals

      Find the cheapest month or even day of the year to fly to Tokyo Haneda

      Book the best Tokyo Haneda fare with no extra fees

      Flight deals from Seattle / Tacoma International to Tokyo Haneda

      Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Tokyo Haneda Airport? If you want to travel next month, return fares start from 752 €. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Seattle / Tacoma International to Tokyo Haneda

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Tokyo Haneda flights are currently cheapest in September.

      Direct flights from Seattle / Tacoma International to Tokyo Haneda

      ANA (All Nippon Airways)
      Delta
      Thai Airways
      United
      Vietnam Airlines

      Seattle / Tacoma International to Tokyo Haneda: Alternative routes

      Compare routes from Seattle / Tacoma International to Tokyo below. You may find an airport to fly into that's cheaper, faster, or easier than Tokyo Haneda.

      Seattle to Tokyo: Flight information

      The things to know before you go.
      Cheapest flight found694 €
      Cheapest month to flyNovember
      Average flight time10 hrs, 35 mins
      Most popular airlineDelta
      Average flights per week40

      Finding cheap flights from Seattle / Tacoma International to Tokyo Haneda: Frequently asked questions

      The best price we found for a return flight from Seattle / Tacoma International to Tokyo Haneda is 694 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      10 hours and 35 minutes is the average flight time from Seattle / Tacoma International to Tokyo Haneda.
      Delta, Vietnam Airlines and Thai Airways fly direct from Seattle / Tacoma International to Tokyo Haneda.
      As of September 2026, there are 40 flights per week flying from Seattle / Tacoma International to Tokyo Haneda.
      The cheapest month to fly from Seattle / Tacoma International to Tokyo Haneda is usually November.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Tokyo Haneda Airport on Sunday, 29 November 2026.
      Yes – the average flight time is 10 hours and 35 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Tokyo Haneda but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Tokyo is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Delta offers the cheapest flight tickets to Tokyo Haneda.

      Travelling from Seattle / Tacoma International Airport (SEA) to Tokyo Haneda Airport (HND): what you need to know

      • The average length of a direct flight from Seattle / Tacoma International Airport to Tokyo Haneda Airport is 10 hours 35 minutes.

      • Tokyo is 17 hours ahead of Seattle and observes the UTC+9 timezone.

      • Flights from SEA to HND start from 11:15 — the earliest with Delta Air Lines. The latest departure is at 16:45 with ANA. Overall, you can take your pick of 14 weekly Seattle / Tacoma International Airport to Tokyo Haneda Airport flights.

      • Leave enough time to catch your SEA to HND flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

      • Be prepared for longer lines during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a good idea.

      • Getting to Tokyo (and then discovering more of Japan!) is easy with Delta. This popular airline has direct flights from Seattle / Tacoma International Airport to Tokyo Haneda Airport.

      • The airline most travellers fly with on this route is Delta.

      • The most punctual carrier offering SEA to HND flights is ANA (All Nippon Airways). Its services arrive as scheduled 78.33% of the time.

      • Think about adding a stopover when booking your ticket from Seattle / Tacoma International Airport to Tokyo Haneda Airport. Simply deselect 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Check out these options between SEA and HND:

        • Los Angeles International Airport

        • San Francisco International Airport

        • Honolulu International Airport

      How to find the cheapest flights from Seattle / Tacoma International Airport (SEA) to Tokyo Haneda Airport (HND)

      • The cheapest price we've seen for a one-way Seattle / Tacoma International Airport to Tokyo Haneda Airport flight is 345 €. A round-trip ticket right now is 694 €. Depending on the availability and when you book, these fares could change.

      • Don't leave things to the last moment. You're more likely to get cheap tickets from SEA to HND if you book early. Airlines often offer some excellent early bird discounts.

      • May is the cheapest month for flights from Seattle / Tacoma International Airport to Tokyo Haneda Airport. If you need to travel at a different time of year, the 'Whole month' tool will give you the lowest airfares for every month.

      • Snapping up cheap flights from SEA to HND couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.

      • Discover the perfect flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Seattle / Tacoma International Airport to Tokyo Haneda Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

      Handy information about Seattle / Tacoma International Airport (SEA)

      • 80% of flights leaving Seattle / Tacoma International Airport reach their destination as planned. With its solid on-time performance, you're unlikely to experience delays when setting off from SEA.

      • Central Seattle to Seattle / Tacoma International Airport is around 23 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're catching a taxi, ride-sharing or driving.

      • Expect a journey time of about 35 minutes when using public transport.

      • Looking for a handy hotel close to SEA? If you're catching an early flight from Seattle / Tacoma International Airport to Tokyo Haneda Airport, these accommodation options will put you moments from your departure gate:

      Arriving at Tokyo Haneda Airport (HND)

      • If you're landing on a late Seattle / Tacoma International Airport to Tokyo Haneda Airport flight, nothing tops the convenience of being near the terminal. Collect your bags from the carousel and then be showered and relaxing soon after at one of these accommodation options near HND:

      • Get on the fast track to adventure by picking up a Tokyo Haneda Airport rental car. Grab a set of wheels from Europcar, Nissan Rent a Car or Times to explore Tokyo and beyond.

      • For the lowest price, book your ride from Tokyo Haneda Airport about three weeks before you travel.

      When to fly to Tokyo Haneda Airport (HND)

      • It's time to choose your dates for your flight from Seattle / Tacoma International Airport to Tokyo Haneda Airport. April is the busiest month to visit Tokyo. If you'd like a more laid-back vibe, go in March.

      • Before locking in your flight from Seattle / Tacoma International Airport to Tokyo Haneda Airport, consider the kind of weather you enjoy. August is the warmest month in Tokyo, with the temperature ranging from 23ºC (73ºF) to 29ºC (84ºF).

      • For cooler conditions, search for a cheap ticket from SEA to HND in January. Temperatures average between 9ºC (48ºF) and 15ºC (59ºF) then.

      Explore more of Japan

      • You've done Tokyo, now it's time to explore other parts of Japan. Travel about 402 kilometres west to Osaka to check off its leading attractions. From Dotonbori to Osaka Castle and Universal Studios Japan, you've got a jam-packed schedule ahead.

      • If you're ready to explore another major stop in Japan, consider Nagoya, roughly 257 kilometres west of Tokyo. Nagoya Castle, Ninomaru Garden and Sky Promenade are highlights.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.