The cheapest times to fly from IAD to YTZ are

  • February 26th to May 6th (except the week of March 19th)
  • September 3rd to January 7th (except the week of December 24th)

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 YTZ is early December. Prices can be as high as $488 for Saturday flights during early August, or as low as $267 for Tuesday flights around early December.


When to Fly to Toronto

Flying from Washington, DC (IAD) to Toronto (YTZ) will usually cost between $275 to $378 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $275. Due to high demand the most expensive time to fly is early August, with an average price of $381. Planning your trip to low-cost times can easily save you $106 on economy flights and even more on first-class flights. Generally, any price below $307 can be considered a good price for a round-trip IAD to YTZ flight.

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

IAD to YTZ Flight Prices

Compared to other flights, the IAD to YTZ 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 $0.56, which is above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to YTZ, and Wednesday the cheapest day to fly back into IAD. Saturdays 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 $26 (8%) 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 $295. Return trip prices are from the YTZ 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 YTZ can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 36 minutes may 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 a nonstop flight from IAD to YTZ while comparing.

Destination alternative #1: Lester B. Pearson International Airport (YYZ) in Toronto

  • 12 miles (19 km) away from YTZ
  • Usually 15.82% less expensive than YTZ
  • Nonstop flights available

See IAD to YYZ flights

Destination alternative #2: Buffalo Niagara International Airport (BUF) in Buffalo, NY

  • 58 miles (93 km) away from YTZ
  • Usually 11.09% less expensive than YTZ
  • Nonstop flights available

See IAD to BUF flights

Destination alternative #3: Greater Rochester International Airport (ROC) in Rochester, NY

  • 93 miles (150 km) away from YTZ
  • Usually 6.69% less expensive than YTZ
  • Nonstop flights available

See IAD to ROC flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 3 major airlines flying this route most often: Air Canada, Porter Airlines, United, and potentially more during busy seasons.

How far away is it from Billy Bishop Toronto City Airport to Washington Dulles International Airport?

The distance between the two airports is roughly 339 miles or 546 kilometers.

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

The real-world flight time for a nonstop IAD to YTZ flight is about 1 hour 36 minutes.

How many flights go between Washington, DC and Toronto?

It depends on the day of the week and the date, but a typical day might have around 50 available flights from IAD to YTZ.


Airport Location Info


Departing Airport

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

Return Airport

Destination codeYTZ
Destination airport nameBilly Bishop Toronto City 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.