Cheap Flights from Tokyo to Seattle from US$399

Frequently Asked Questions

• What are the cheapest flights from Tokyo to Seattle (TYO-SEA)?

  Based on Trip.com data, ZIPAIR offers one-way fares as low as US$399 on Cheapest nonstop routes (e.g. NRT to SEA on Thu, Sep 10), while ZIPAIR offers Cheapest nonstop round-trips from US$962 departing on Tue, Oct 6 and returning on Sun, Oct 11.

• Which airlines offer direct flights from Tokyo to Seattle?

  At the moment, you can catch a nonstop flight from Tokyo to Seattle with the following airlines, including: Alaska Airlines China Airlines Jetstar Japan ZIPAIR Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Tokyo to Seattle?

  It takes about 9 hours 3 minutes to fly from Tokyo to Seattle.

• When is the best time to book flights from Tokyo to Seattle?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Tokyo to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Tokyo to Seattle?

  Based on Trip.com data in the past 4 weeks, there is 21 flight per week flying from Tokyo to Seattle. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL166 (16:38)

• How can I find the best deals on flights from Tokyo to Seattle?

  To find best deals on flights from Tokyo to Seattle, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Sep 10, with one-way flights priced at just US$399.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Tokyo (TYO) to Seattle (SEA) the cheapest?

  The cheapest months to fly from Tokyo to Seattle is December, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Tokyo to Seattle on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Tokyo to Seattle on August 28, 2026 with ZIPAIR, with prices starting at US$853.

• Which airports can I fly to for Seattle from Tokyo?

  You can land at any one of the following hubs in Seattle, with Narita International Airport to Seattle-Tacoma International Airport (NRT-SEA) is by far the most common option on this route: King County (Boeing Field) International Airport (BFI) Kenmore Air Harbor Seaplane Base (LKE) Seattle-Tacoma International Airport (SEA).

• Is there any time difference between Tokyo and Seattle?

  The time difference between Seattle and Tokyo is 17h.

• How do I change or cancel my ticket from Tokyo to Seattle?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Tokyo to Seattle?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Tokyo to Seattle is US$1,173. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Tokyo to Seattle?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Tokyo to Seattle is US$1,976. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Tokyo to Seattle on Trip.com?

  Enter Tokyo and Seattle, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Tokyo to Seattle route?

  Jetstar Japan, ZIPAIR and Thai Lion Airare the most popular budget airlines flying from Tokyo to Seattle. Check baggage, seat and payment fees before comparing the final price.