The cheapest times to fly from DCA to IWK are

  • January 8th to March 11th (except the week of February 12th)
  • March 26th to April 8th
  • August 27th to December 16th

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 DCA to IWK is late September. Prices can be as high as $3056 for Saturday flights during late December, or as low as $965 for Tuesday flights around late September.


When to Fly to Iwakuni

Flying from Washington, DC (DCA) to Iwakuni (IWK) will usually cost between $1160 to $2500 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $1124. Due to high demand the most expensive time to fly is late December, with an average price of $2589. Planning your trip to low-cost times can easily save you $1465 on economy flights and even more on first-class flights. Generally, any price below $1487 can be considered a good price for a round-trip DCA to IWK flight.

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

DCA to IWK Flight Prices

Compared to other flights, the DCA to IWK flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.13, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. 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 $430 (22%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1445. Return trip prices are from the IWK to DCA 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 DCA to IWK can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 13 hour 41 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 DCA to IWK while comparing.

Destination alternative #1: Tokushima Airport (TKS) in Tokushima

  • 135 miles (217 km) away from IWK
  • Usually 4.17% less expensive than IWK
  • 2-layover flights available

See DCA to TKS flights

Destination alternative #2: Takamatsu Airport (TAK) in Takamatsu

  • 101 miles (163 km) away from IWK
  • Usually 1.88% less expensive than IWK
  • 2-layover flights available

See DCA to TAK flights

Destination alternative #3: Matsuyama Airport (MYJ) in Matsuyama

  • 34 miles (55 km) away from IWK
  • Usually 0.20% less expensive than IWK
  • 2-layover flights available

See DCA to MYJ flights


Flight Hacking DCA to IWK

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 DCA to IWK — but Champion Traveler does!

Hack #1: Las Vegas, NV (DCA > LAS > IWK)

  • Price for both tickets: $1267
  • Average savings: $220 (14.79%)

See DCA to LAS flights

Hack #2: Los Angeles, CA (DCA > LAX > IWK)

  • Price for both tickets: $1358
  • Average savings: $130 (8.71%)

See DCA to LAX flights

Hack #3: Chicago, IL (DCA > ORD > IWK)

  • Price for both tickets: $1358
  • Average savings: $129 (8.68%)

See DCA to ORD flights


Flight Questions Answered

Still have questions about flying from DCA to IWK? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Air Canada, American, ANA, Delta, SAS, United, and potentially more during busy seasons.

How far away is it from Iwakuni MCAS Airport to Ronald Reagan Washington National Airport?

The distance between the two airports is roughly 7055 miles or 11354 kilometers.

How long does it take to fly from DCA to IWK?

The real-world flight time for a nonstop DCA to IWK flight is about 13 hour 41 minutes.

How many flights go between Washington, DC and Iwakuni?

It depends on the day of the week and the date, but a typical day might have around 13 available flights from DCA to IWK.


Airport Location Info


Departing Airport

Origination code DCA
Origination airport name Ronald Reagan Washington National Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77

Return Airport

Destination code IWK
Destination airport name Iwakuni MCAS Airport
City Iwakuni
Country Japan
Latitude 34.1
Longitude 132.2


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.