The cheapest times to fly from DCA to ISU are

  • March 26th to April 22nd
  • July 30th to August 19th
  • September 3rd to December 16th (except the weeks of October 22nd and November 19th)

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 ISU is mid to late September. Prices can be as high as $6973 for Friday flights during mid to late August, or as low as $1493 for Tuesday flights around mid to late September.


When to Fly to Sulaymaniyah

Flying from Washington, DC (DCA) to Sulaymaniyah (ISU) will usually cost between $1814 to $3790 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $2113. Due to high demand the most expensive time to fly is mid to late August, with an average price of $3951. Planning your trip to low-cost times can easily save you $1838 on economy flights and even more on first-class flights. Generally, any price below $2429 can be considered a good price for a round-trip DCA to ISU flight.

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

DCA to ISU Flight Prices

Compared to other flights, the DCA to ISU 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 $0.25, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to ISU, and Monday the cheapest day to fly back into DCA. Fridays are the most expensive days to fly to Sulaymaniyah, and Sundays are the most expensive days to return to Washington. Selecting flights on the least expensive days could save you up to $713 (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 $2135. Return trip prices are from the ISU 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 ISU can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 59 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 ISU while comparing.

Destination alternative #1: Erbil International Airport (EBL) in Erbil

  • 90 miles (145 km) away from ISU
  • Usually 53.19% less expensive than ISU
  • 2-layover flights available

See DCA to EBL flights


Flight Hacking DCA to ISU

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 ISU — but Champion Traveler does!

Hack #1: Sofia (DCA > SOF > ISU)

  • Price for both tickets: $1140
  • Average savings: $1289 (53.07%)

See DCA to SOF flights

Hack #2: Beirut (DCA > BEY > ISU)

  • Price for both tickets: $1160
  • Average savings: $1269 (52.24%)

See DCA to BEY flights

Hack #3: London (DCA > LGW > ISU)

  • Price for both tickets: $1247
  • Average savings: $1183 (48.68%)

See DCA to LGW flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Air Canada, American, British Airways, Delta, Emirates, JetBlue, Qatar Airways, Royal Jordanian, Singapore Airlines, Turkish Airlines, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 6115 miles or 9841 kilometers.

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

The real-world flight time for a nonstop DCA to ISU flight is about 11 hour 59 minutes.

How many flights go between Washington, DC and Sulaymaniyah?

It depends on the day of the week and the date, but a typical day might have around 3 available flights from DCA to ISU.


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 ISU
Destination airport name Sulaymaniyah International Airport
City Sulaymaniyah
Country Iraq
Latitude 35.6
Longitude 45.3


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.