Flight Time from Seattle to Tokyo

At the moment, you can catch a nonstop flight from Seattle to Tokyo with the following airlines, including: All Nippon Airways Hawaiian Airlines Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes about 10 hours 21 minutes to fly from Seattle to Tokyo.

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Tokyo 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.

Based on Trip.com data in the past 4 weeks, there is 18 flight per week flying from Seattle to Tokyo. You can check the weekly schedule for popular airlines on this route below: Hawaiian Airlines: S/M/T/W/T/F/S -- HA823 (12:57) Alaska Airlines: S/M/T/W/T/F/S -- AS8423 (12:57)

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

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Seattle to Tokyo on December 31, 2025 with Air Canada, with prices starting at DKK 1,853.

You can land at any one of the following hubs in Tokyo, with Seattle–Tacoma International Airport to Haneda Airport (SEA-HND) is by far the most common option on this route: Haneda Airport (HND) Narita International Airport (NRT).

The time difference between Tokyo and Seattle is 17h.

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.