Cheap flights from Washington, D.C. Dulles Intl Airport to Canada from C$ 154

In general, June is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 323. If you’re not able to fly to Canada in June, then January is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Canada during January average around C$ 351.

Our data shows that Sunday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 363. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 428. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.

According to our data, the cheapest time of day to fly to Canada is in the afternoon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Canada in the afternoon for as low as C$ 384. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 476 per ticket.

Fly from Washington, D.C. Dulles Intl to Toronto Island for the best Washington, D.C. Dulles Intl - Canada flight prices

You are more likely to see cheaper flights to Canada from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 477 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from Washington, D.C. Dulles Intl Airport for as low as C$ 370 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Porter Airlines, United Airlines, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl to Canada

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Canada from Washington, D.C. Dulles Intl Airport according to our data. Air Canada is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Canada. Keep in mind that there are 3 different airlines that fly to Canada on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Washington, D.C. and Canada have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines has had the least delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

39 flights are operational daily from Washington, D.C. Dulles Intl Airport to Canada as of March 2026. The most popular departure time for this route is 5:00p.m., with 66% of flights per day taking off in the afternoon.

275 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Canada as of March 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.