Cheap flights from Washington, D.C. to Canada from C$ 147

In general, November is the cheapest month to fly from Washington, D.C. to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 439. If you’re not able to fly to Canada in November, then September is your next best option. Flight prices from Washington, D.C. to Canada during September average around C$ 466.

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$ 364. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around C$ 480. 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. to Canada in the afternoon for as low as C$ 412. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 543 per ticket.

Fly from Washington, D.C. Reagan-National to Ottawa for the best Washington, D.C. - Canada flight prices

You are more likely to see cheaper flights to Canada from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 513 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. for as low as C$ 382 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. 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, Air Canada, and United Airlines are the most popular carriers operating from Washington, D.C. to Canada

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Canada from Washington, D.C. according to our data. Air Canada is the first choice among our users, with 55% 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 15% 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 124 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. Saturday 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.

The number of flights available between Washington, D.C. and Canada is 60 per day as of June 2026. The most frequent departure time is 5:00p.m., with 47% of daily flights leaving in the afternoon.

The number of flights available between Washington, D.C. and Canada is 420 per week as of June 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.