The cheapest times to fly from IAD to IKT are

  • July 23rd to October 28th
  • December 24th to March 4th

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 IKT is early September. Prices can be as high as $8936 for Sunday flights during early to mid April, or as low as $976 for Monday flights around early September.


When to Fly to Irkutsk

Flying from Washington, DC (IAD) to Irkutsk (IKT) will usually cost between $1000 to $6795 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $1174. Due to high demand the most expensive time to fly is early to mid April, with an average price of $6275. Planning your trip to low-cost times can easily save you $5101 on economy flights and even more on first-class flights. Generally, any price below $3083 can be considered a good price for a round-trip IAD to IKT flight.

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

IAD to IKT Flight Prices

Compared to other flights, the IAD to IKT 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 $0.31, which is in the normal range for a flight.


Flight Prices by Day of the Week

Monday is usually the cheapest day to depart and return on this flight. Sundays 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 $3208 (69%) 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 $1480. Return trip prices are from the IKT 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 IKT can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 12 hour 1 minutes may not be realistic.


Flight Hacking IAD to IKT

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 IKT — but Champion Traveler does!

Hack #1: Moscow (IAD > DME > IKT)

  • Price for both tickets: $1035
  • Average savings: $2048 (66.44%)

See IAD to DME flights

Hack #2: Moscow (IAD > SVO > IKT)

  • Price for both tickets: $1131
  • Average savings: $1952 (63.33%)

See IAD to SVO flights

Hack #3: New York, NY (IAD > JFK > IKT)

  • Price for both tickets: $1136
  • Average savings: $1947 (63.15%)

See IAD to JFK flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 16 major airlines flying this route most often: Aeroflot, Air France, Alitalia, American, Asiana, British Airways, Brussels Airlines, Cathay Pacific, Delta, Emirates, KLM, Korean Air, Lufthansa, S7, Singapore Airlines, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 6132 miles or 9868 kilometers.

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

The real-world flight time for a nonstop IAD to IKT flight is about 12 hour 1 minutes.

How many flights go between Washington, DC and Irkutsk?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from IAD to IKT.


Airport Location Info


Departing Airport

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

Return Airport

Destination codeIKT
Destination airport nameIrkutsk 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.