Cheap flights from Canada to Washington, D.C. from C$ 173

If you aren’t able to travel during the month of October, then book flights to Washington, D.C. from Canada during September instead. Flights to Washington, D.C. in September, while not as cheap as those in October, still average around C$ 417.

The cheapest day to depart from Canada to Washington, D.C. is on a Friday. Travellers who choose to depart for Washington, D.C. on a Friday will often find tickets for as low as C$ 543. The most expensive day to fly to Washington, D.C. is Sunday, with ticket prices averaging around C$ 906.

In the afternoon is the cheapest time of day to fly from Canada to Washington, D.C. when you can find flight prices for as low as C$ 514. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Washington, D.C., so prices are often more expensive at around C$ 820 per ticket.

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

You are more likely to see cheaper flights to Washington, D.C. from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around C$ 426 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Canada for as low as C$ 394 on momondo.

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

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

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Washington, D.C. from Canada according to our data. Air Canada is the first choice among our users, with 57% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 8 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between Canada and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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 12% of their flights experiencing any sort of delay.

As of August 2026, there are 54 flights per day flying from Canada to Washington, D.C.. The most common time of day flights depart is 2:00p.m., with 45% of flights taking off in the afternoon.

382 flights are operational weekly from Canada to Washington, D.C. as of August 2026. The most popular departure day for this route is Fri, with 15% of flights per week taking off on this day.