Cheap flights from Washington, D.C. Dulles Intl Airport to Japan from $430

The month of April is, on average, the cheapest month to fly to Japan from Washington, D.C. Dulles Intl Airport, with most prices found around $1,210. If you aren’t able to travel to Japan during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,216.

On average, the least expensive day to fly to Japan from Washington, D.C. Dulles Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,342. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. Dulles Intl Airport to Japan on a Saturday will generally be more expensive and average around $1,564. 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. Dulles Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,391 when looking at flights departing in the morning. At noon is when there is more demand to fly to Japan, so prices are often more expensive at around $1,517 per ticket.

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

You are more likely to see cheaper flights to Japan from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Japan for around $1,430 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. Dulles Intl Airport for as low as $1,271 on momondo.

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

EVA Air, Cathay Pacific, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl to Japan

ANA, United Airlines and Air Canada are the top three most popular airlines that fly to Japan from Washington, D.C. Dulles Intl Airport according to our data. ANA is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 6 different airlines that fly to Japan on a routine basis, so you have a few additional options to choose from.

Historically, on average around 19% 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 285 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon 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. Friday 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.

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

As of September 2026, 42 flights take off from Washington, D.C. Dulles Intl Airport 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.