The cheapest times to fly from IAD to YSB are

  • January 8th to March 18th (except the weeks of February 19th and March 5th)
  • August 6th to December 9th

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 YSB is late September. Prices can be as high as $676 for Monday flights during mid March, or as low as $347 for Tuesday flights around late September.


When to Fly to Greater Sudbury

Flying from Washington, DC (IAD) to Sudbury (YSB) will usually cost between $375 to $530 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 $355. Due to high demand the most expensive time to fly is mid March, with an average price of $517. Planning your trip to low-cost times can easily save you $163 on economy flights and even more on first-class flights. Generally, any price below $460 can be considered a good price for a round-trip IAD to YSB flight.

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

IAD to YSB Flight Prices

Compared to other flights, the IAD to YSB flight is much cheaper than the average and costs much less than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.51, which is above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to YSB, and Saturday the cheapest day to fly back into IAD. Mondays are the most expensive days to fly to Greater Sudbury, and Sundays are the most expensive days to return to Washington. Selecting flights on the least expensive days could save you up to $28 (6%) 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 $448. Return trip prices are from the YSB 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 YSB can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 1 hour 59 minutes may not be realistic.


Flight Questions Answered

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

Which airlines fly this route?

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

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

The distance between the two airports is roughly 557 miles or 896 kilometers.

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

The real-world flight time for a nonstop IAD to YSB flight is about 1 hour 59 minutes.

How many flights go between Washington, DC and Sudbury?

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


Airport Location Info


Departing Airport

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

Return Airport

Destination codeYSB
Destination airport nameSudbury 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.