Cheap flights from Seattle to Tokyo from $446

The month of February is, on average, the cheapest month to fly to Tokyo Narita Airport from Seattle, with most prices found around $702. If you are unable to visit Tokyo Narita Airport during the month of February, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around $715.

On average, the least expensive day to fly to Tokyo Narita Airport from Seattle is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $878. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,066. These prices are subject to change though, so be sure to set up a Price Alert for flights to Tokyo Narita Airport.

In the morning is the cheapest time of day to fly from Seattle to Tokyo Narita Airport when you can find flight prices for as low as $870. Flying to Tokyo Narita Airport in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $963. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Seattle/Tacoma Intl to Tokyo Narita for the best Seattle/Tacoma Intl - Tokyo Narita flight prices

You are more likely to see cheaper flights to Tokyo Narita Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo Narita Airport for around $926 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tokyo Narita Airport from Seattle for as low as $816 on momondo.

No. A direct flight is the cheapest option for a flight between Seattle to Tokyo Narita Airport.

As of May 2026, prices for Seattle to Tokyo Narita Airport flights are approximately 39% cheaper when compared to flights at the same time last year.

United Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Tokyo Narita

Japan Airlines, Alaska Airlines and Alaska Airlines are the top three most popular airlines that fly to Tokyo Narita Airport from Seattle according to our data. Japan Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Tokyo Narita Airport. Keep in mind that there are 12 different airlines that fly to Tokyo Narita Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between Seattle and Tokyo have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Japan Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Taipei City (TPE) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

Flights via Manila (MNL) offer the lowest average round-trip price of $615.

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 13h 05m.

Vancouver (YVR) has the shortest average layover time for this route: 3h 07m.

As of May 2026, there are 5 flights per day flying from Seattle to Tokyo Narita Airport. The most common time of day flights depart is 1:00PM, with 100% of flights taking off in the afternoon.

The number of flights available between Seattle and Tokyo Narita Airport is 35 per week as of May 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.