The cheapest times to fly from KMQ to IAD are

  • January 15th to July 1st (except the weeks of March 5th, March 12th, and April 23rd)
  • November 5th to November 18th

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 KMQ to IAD is mid April. Prices can be as high as $2222 for Saturday flights during early to mid December, or as low as $1353 for Monday flights around mid April.


When to Fly to Washington

Flying from Komatsu (KMQ) to Washington, DC (IAD) will usually cost between $1353 to $1715 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid April with an average ticket price of $1397. Due to high demand the most expensive time to fly is early to mid December, with an average price of $1704. Planning your trip to low-cost times can easily save you $307 on economy flights and even more on first-class flights. Generally, any price below $1367 can be considered a good price for a round-trip KMQ to IAD flight.

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

KMQ to IAD Flight Prices

Compared to other flights, the KMQ to IAD flight is slightly more expensive than the average and costs about as much as the average flight leaving from Komatsu. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to IAD, and Wednesday the cheapest day to fly back into KMQ. Saturdays are the most expensive days to fly to Washington, and Fridays are the most expensive days to return to Komatsu. Selecting flights on the least expensive days could save you up to $183 (7%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1395. Return trip prices are from the IAD to KMQ 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 KMQ 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 13 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 KMQ 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 0.29% less expensive than IAD
  • 2-layover flights available

See KMQ to BWI flights


Flight Hacking KMQ 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 KMQ to IAD — but Champion Traveler does!

Hack #1: Hong Kong (KMQ > HKG > IAD)

  • Price for both tickets: $1244
  • Average savings: $124 (9.03%)

See KMQ to LAX flights

Hack #2: Los Angeles, CA (KMQ > LAX > IAD)

  • Price for both tickets: $1268
  • Average savings: $100 (7.28%)

See KMQ to HKG flights

Hack #3: Shanghai (KMQ > PVG > IAD)

  • Price for both tickets: $1273
  • Average savings: $94 (6.88%)

See KMQ to PVG flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 14 major airlines flying this route most often: Air France, ANA, Bangkok Airways, British Airways, Cathay Pacific, China Eastern, Delta, Garuda Indonesia, JAL, Korean Air, Lufthansa, Qatar Airways, United, Vietnam Airlines, and potentially more during busy seasons.

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

The distance between the two airports is roughly 6801 miles or 10945 kilometers.

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

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

How many flights go between Komatsu and Washington, DC?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from KMQ to IAD.


Airport Location Info


Departing Airport

Origination codeKMQ
Origination airport nameKomatsu Airport

Return Airport

Destination codeIAD
Destination airport nameWashington Dulles International Airport
CityWashington, DC
Countrythe United States


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.