Cheap flights from Washington, D.C. to Japan from $404

The month of September is, on average, the cheapest month to fly to Japan from Washington, D.C., with most prices found around $1,075. If you aren’t able to travel to Japan during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,150.

On average, the least expensive day to fly to Japan from Washington, D.C. is on a Monday. momondo users have found tickets for Monday departures for as low as $1,268. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. to Japan on a Friday will generally be more expensive and average around $1,471. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Japan from Washington, D.C. in the evening is the least expensive time of day to depart. momondo users have found prices as low as $975 when looking at flights departing in the evening. At noon is when there is more demand to fly to Japan, so prices are often more expensive at around $1,465 per ticket.

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

You are more likely to see cheaper flights to Japan from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Japan for around $1,251 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Japan from Washington, D.C. for as low as $990 on momondo.

There are 3 cabin classes available to choose from on Washington, D.C. to Japan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, Air Canada, and Cathay Pacific are the most popular carriers operating from Washington, D.C. to Japan

ANA, United Airlines and Air Canada are the top three most popular airlines that fly to Japan from Washington, D.C. according to our data. ANA is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 7 different airlines that fly to Japan 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 Japan have experienced a delay on any given week. The average delay length over the past 12 months has been 247 minutes.

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

Friday 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 10% of their flights experiencing any sort of delay.

The number of flights available between Washington, D.C. and Japan is 6 per day as of April 2026. The most frequent departure time is 12:00PM, with 100% of daily flights leaving in the afternoon.

As of April 2026, 42 flights take off from Washington, D.C. and land in Japan each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.