Cheap flights from Seattle to Tokyo from $446

In general, January is the cheapest month to fly from Seattle to Tokyo Haneda Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $715. The month of February is another great option to travel to Tokyo Haneda Airport, with average flight prices from Seattle averaging around $748.

According to our data, Monday is the cheapest day to fly to Tokyo Haneda Airport from Seattle. The lowest ticket price found for a Monday departure recently was $830. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Tokyo Haneda Airport is Thursday, with ticket prices averaging around $922.

Our data shows that the cheapest Seattle to Tokyo Haneda Airport flights are usually those with departure times in the afternoon. Our users have found flights to Tokyo Haneda Airport in the afternoon for as low as $845. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $979 on average. Flights to Tokyo Haneda Airport from Seattle in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Tokyo Haneda Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo Haneda Airport for around $910 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tokyo Haneda Airport from Seattle for as low as $795 on momondo.

You could potentially save up to 4% on your flight if you consider stops on a Seattle to Tokyo Haneda Airport flight.

As of May 2026, prices for Seattle to Tokyo Haneda Airport flights are approximately 49% cheaper when compared to flights at the same time last year.

United Airlines and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Tokyo Haneda

ANA, Delta and United Airlines are the top three most popular airlines that fly to Tokyo Haneda Airport from Seattle according to our data. ANA is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Tokyo Haneda Airport. Keep in mind that there are 7 different airlines that fly to Tokyo Haneda Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% 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 140 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening 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. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, ANA have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

Honolulu (HNL) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Flights via Honolulu (HNL) offer the lowest average round-trip price of $589.

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 15h 23m.

San Francisco (SFO) has the shortest average layover time for this route: 2h 47m.

The number of flights available between Seattle and Tokyo Haneda Airport is 4 per day as of May 2026. The most frequent departure time is 4:00PM, with 60% of daily flights leaving in the afternoon.

33 flights are operational weekly from Seattle to Tokyo Haneda Airport as of May 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.