The cheapest times to fly from DCA to SHI are

  • January 15th to February 18th
  • March 5th to March 18th
  • July 16th to October 21st

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 SHI is late September. Prices can be as high as $6609 for Friday flights during late October, or as low as $2299 for Monday flights around late September.


When to Fly to Shimojishima

Flying from Washington, DC (DCA) to Shimojishima (SHI) will usually cost between $2299 to $3431 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 $2342. Due to high demand the most expensive time to fly is late October, with an average price of $4486. Planning your trip to low-cost times can easily save you $2145 on economy flights and even more on first-class flights. Generally, any price below $2956 can be considered a good price for a round-trip DCA to SHI flight.

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

DCA to SHI Flight Prices

Compared to other flights, the DCA to SHI flight is more expensive than the average and costs more than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.24, which is below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to SHI. Fridays are the most expensive days to fly to Shimojishima. Selecting flights on the least expensive days could save you up to $253 (8%) 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 $2554. Return trip prices are from the SHI to DCA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from DCA to SHI can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 15 hour 2 minutes may not be realistic.


Flight Hacking DCA to SHI

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 SHI — but Champion Traveler does!

Hack #1: Hong Kong (DCA > HKG > SHI)

  • Price for both tickets: $1063
  • Average savings: $1894 (64.06%)

See DCA to HKG flights

Hack #2: Tokyo (DCA > NRT > SHI)

  • Price for both tickets: $1388
  • Average savings: $1569 (53.06%)

See DCA to NRT flights

Hack #3: Osaka (DCA > KIX > SHI)

  • Price for both tickets: $1448
  • Average savings: $1508 (51.01%)

See DCA to KIX flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Alaska, American, Delta, JAL, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 7808 miles or 12566 kilometers.

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

The real-world flight time for a nonstop DCA to SHI flight is about 15 hour 2 minutes.

How many flights go between Washington, DC and Shimojishima?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from DCA to SHI.


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 SHI
Destination airport name Shimojishima Airport
City Shimojishima
Country Japan
Latitude 24.8
Longitude 125.1


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.