The cheapest times to fly from DED to IAD are

  • January 29th to May 6th (except the weeks of March 26th and April 23rd)
  • early August
  • October 15th to November 25th

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 DED to IAD is late October to early November. Prices can be as high as $5729 for Saturday flights during early January, or as low as $1302 for Wednesday flights around late October to early November.


When to Fly to Washington

Flying from Dehra Dun (DED) to Washington, DC (IAD) will usually cost between $1383 to $2079 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $1430. Due to high demand the most expensive time to fly is early January, with an average price of $2287. Planning your trip to low-cost times can easily save you $856 on economy flights and even more on first-class flights. Generally, any price below $1512 can be considered a good price for a round-trip DED to IAD flight.

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

DED to IAD Flight Prices

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


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to Washington, and Fridays are the most expensive days to return to Dehradun. Selecting flights on the least expensive days could save you up to $296 (16%) 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 $1438. Return trip prices are from the IAD to DED 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 DED 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 14 hour 19 minutes may not be realistic.


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

Hack #1: Delhi (DED > DEL > IAD)

  • Price for both tickets: $1007
  • Average savings: $505 (33.4%)

See DED to BOM flights

Hack #2: Mumbai (DED > BOM > IAD)

  • Price for both tickets: $1188
  • Average savings: $325 (21.46%)

See DED to DEL flights

Hack #3: Hyderabad (DED > HYD > IAD)

  • Price for both tickets: $1238
  • Average savings: $274 (18.12%)

See DED to HYD flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Air Canada, Avianca, United, WestJet, and potentially more during busy seasons.

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

The distance between the two airports is roughly 7408 miles or 11922 kilometers.

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

The real-world flight time for a nonstop DED to IAD flight is about 14 hour 19 minutes.

How many flights go between Dehra Dun and Washington, DC?

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


Airport Location Info


Departing Airport

Origination codeDED
Origination airport nameDehradun Airport
CityDehra Dun

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.