SEA to TYO, Seattle–Tacoma International Airport to Cheap Flights

Based on HopeGoo data, Philippine Airlines offers one-way fares as low as US$310 on Cheapest nonstop routes (e.g. SEA to HND on Sun, Mar 1), while Air Canada offers Cheapest nonstop round-trips from US$590 departing on Mon, Feb 9 and returning on Sat, Feb 14.

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

It takes about 10 hours 25 minutes to fly from Seattle to Tokyo.

By analyzing data from all airlines on the HopeGoo 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 HopeGoo 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 (12:32)

To find best deals on flights from Seattle to Tokyo, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Mar 1, with one-way flights priced at just US$310. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Tokyo travel is around July. · Get exclusive promo codes for HopeGoo app users.

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

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Seattle to Tokyo on February 18, 2026 with Air Canada, with prices starting at US$584.

You can land at any one of the following hubs in Tokyo, with Seattle–Tacoma International Airport to Narita International Airport (SEA-NRT) 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 HopeGoo, 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.