Cheap flights from Washington, D.C. to Tokyo from $400

The cheapest month to fly to Tokyo from Washington, D.C. is in September. Flight prices, which tend to average around $1,170, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in September, then February is your next best option. Flight prices from Washington, D.C. to Tokyo during February average around $1,179.

The cheapest day to depart on your flight to Tokyo is on a Tuesday when prices can be found for as low as $1,338. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. to Tokyo on a Saturday will generally be more expensive and average around $1,552. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the morning is the cheapest time of day to fly from Washington, D.C. to Tokyo when you can find flight prices for as low as $1,384. Flying to Tokyo in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Tokyo is at noon when prices are around $1,481.

Fly from Washington, D.C. Dulles Intl to Tokyo Haneda for the best Washington, D.C. - Tokyo flight prices

You are more likely to see cheaper flights to Tokyo from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo for around $1,241 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tokyo from Washington, D.C. for as low as $716 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. to Tokyo flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 36% on your flight if you consider stops on a Washington, D.C. to Tokyo flight.

As of August 2026, prices for Washington, D.C. to Tokyo flights are approximately 57% cheaper when compared to flights at the same time last year.

ANA, United Airlines, and Cathay Pacific are the most popular carriers operating from Washington, D.C. to Tokyo

ANA, United Airlines and Air Canada are the top three most popular airlines that fly to Tokyo from Washington, D.C. according to our data. ANA is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Tokyo. Keep in mind that there are 8 different airlines that fly to Tokyo on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Washington, D.C. and Tokyo have experienced a delay on any given week. The average delay length over the past 12 months has been 279 minutes.

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

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday 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 12% of their flights experiencing any sort of delay.

Incheon (ICN) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Flights via Incheon (ICN) offer the lowest average round-trip price of $468.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 14h 52m.

Atlanta (ATL) has the shortest average layover time for this route: 1h 08m.

The number of flights available between Washington, D.C. and Tokyo is 2 per day as of August 2026. The most frequent departure time is 12:00PM, with 100% of daily flights leaving in the afternoon.

18 flights are operational weekly from Washington, D.C. to Tokyo as of August 2026. The most popular departure day for this route is Wed, with 33% of flights per week taking off on this day.