Cheap flights from Canada to Washington, D.C. from C$ 189

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$ 379.

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$ 541. The most expensive day to fly to Washington, D.C. is Sunday, with ticket prices averaging around C$ 981.

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$ 528. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Washington, D.C., so prices are often more expensive at around C$ 872 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$ 442 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$ 406 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, Porter Airlines, and Delta 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 53% 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 23% 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 122 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 July 2026, there are 52 flights per day flying from Canada to Washington, D.C.. The most common time of day flights depart is 2:00p.m., with 42% of flights taking off in the afternoon.

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