The cheapest times to fly from IAD to DYG are

  • January 8th to May 6th (except the week of March 5th)
  • August 27th to October 28th

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 IAD to DYG is mid February. Prices can be as high as $3851 for Thursday flights during early August, or as low as $1170 for Wednesday flights around mid February.


When to Fly to Zhangjiajie

Flying from Washington, DC (IAD) to Dayong (DYG) will usually cost between $1170 to $2147 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid February with an average ticket price of $1181. Due to high demand the most expensive time to fly is early August, with an average price of $2096. Planning your trip to low-cost times can easily save you $915 on economy flights and even more on first-class flights. Generally, any price below $1460 can be considered a good price for a round-trip IAD to DYG flight.

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

IAD to DYG Flight Prices

Compared to other flights, the IAD to DYG 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 $0.12, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to DYG, and Tuesday the cheapest day to fly back into IAD. Thursdays are the most expensive days to fly to Zhangjiajie, and Fridays are the most expensive days to return to Washington. Selecting flights on the least expensive days could save you up to $289 (17%) 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 $1398. Return trip prices are from the DYG to IAD 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 IAD to DYG can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 14 hour 51 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 IAD to DYG while comparing.

Destination alternative #1: Changde Airport (CGD) in Changde

  • 73 miles (117 km) away from DYG
  • Usually 9.28% less expensive than DYG
  • 1-layover flights available

See IAD to CGD flights


Flight Hacking IAD to DYG

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 IAD to DYG — but Champion Traveler does!

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

  • Price for both tickets: $1130
  • Average savings: $331 (22.64%)

See IAD to PVG flights

Hack #2: Bangkok (IAD > BKK > DYG)

  • Price for both tickets: $1193
  • Average savings: $267 (18.29%)

See IAD to BKK flights

Hack #3: Guangzhou (IAD > CAN > DYG)

  • Price for both tickets: $1215
  • Average savings: $245 (16.78%)

See IAD to CAN flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Air Canada, Air China, ANA, China Eastern, China Southern, Delta, KLM, Shanghai Airlines, Shenzhen, United, Xiamen, and potentially more during busy seasons.

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

The distance between the two airports is roughly 7706 miles or 12402 kilometers.

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

The real-world flight time for a nonstop IAD to DYG flight is about 14 hour 51 minutes.

How many flights go between Washington, DC and Dayong?

It depends on the day of the week and the date, but a typical day might have around 18 available flights from IAD to DYG.


Airport Location Info


Departing Airport

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

Return Airport

Destination codeDYG
Destination airport nameHehua Airport


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.