The cheapest times to fly from TOY to IAD are

  • January 15th to April 22nd (except the weeks of February 26th and April 2nd)
  • April 30th to May 27th (except the week of May 14th)
  • June 11th to July 15th
  • November 5th to December 2nd

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from TOY to IAD is mid November. Prices can be as high as $2150 for Saturday flights during early to mid October, or as low as $1330 for Wednesday flights around mid November.


When to Fly to Washington

Flying from Toyama (TOY) to Washington, DC (IAD) will usually cost between $1331 to $1724 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $1392. Due to high demand the most expensive time to fly is early to mid October, with an average price of $1741. Planning your trip to low-cost times can easily save you $349 on economy flights and even more on first-class flights. Generally, any price below $1382 can be considered a good price for a round-trip TOY to IAD flight.

See below for a graph of average weekly prices for the TOY to IAD route. All prices are for round-trip tickets in USD.

TOY to IAD Flight Prices

Compared to other flights, the TOY to IAD flight is slightly more expensive than the average and costs about as much as the average flight leaving from Toyama. The average price per mile (for a direct flight) is $0.13, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to IAD, and Thursday the cheapest day to fly back into TOY. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $333 (16%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1393. Return trip prices are from the IAD to TOY flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from TOY to IAD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 13 hour 10 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from TOY to IAD while comparing.

Destination alternative #1: Baltimore/Washington International Thurgood Marshall Airport (BWI) in Baltimore, MD

  • 45 miles (72 km) away from IAD
  • Usually 1.74% less expensive than IAD
  • 2-layover flights available

See TOY to BWI flights


Flight Hacking TOY to IAD

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from TOY to IAD — but Champion Traveler does!

Hack #1: Shanghai (TOY > PVG > IAD)

  • Price for both tickets: $1266
  • Average savings: $116 (8.39%)

See TOY to flights


Flight Questions Answered

Still have questions about flying from TOY to IAD? We’ve got answers.

Which airlines fly this route?

You can find 12 major airlines flying this route most often: Air Canada, Air China, American, ANA, Asiana, China Airlines, China Eastern, China Southern, Delta, Garuda Indonesia, United, Vietnam Airlines, and potentially more during busy seasons.

How far away is it from Washington Dulles International Airport to Toyama Airport?

The distance between the two airports is roughly 6766 miles or 10889 kilometers.

How long does it take to fly from TOY to IAD?

The real-world flight time for a nonstop TOY to IAD flight is about 13 hour 10 minutes.

How many flights go between Toyama and Washington, DC?

It depends on the day of the week and the date, but a typical day might have around 7 available flights from TOY to IAD.


Airport Location Info


Departing Airport

Origination code TOY
Origination airport name Toyama Airport
City Toyama
Country Japan
Latitude 36.6
Longitude 137.2

Return Airport

Destination code IAD
Destination airport name Washington Dulles International Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.