Cheap flights from Canada to Washington, D.C. from $136

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Canada, with most prices found around $243. If you’re not able to fly to Washington, D.C. in August, then October is your next best option. Flight prices from Canada to Washington, D.C. during October average around $252.

On average, the least expensive day to fly to Washington, D.C. from Canada is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $304. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Canada to Washington, D.C. for around $489.

In the morning is the cheapest time of day to fly from Canada to Washington, D.C. when you can find flight prices for as low as $326. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $442. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $299 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 $213 on momondo.

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

Air Canada, United Airlines and Porter Airlines 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 62% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 6 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 21% 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 morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

49 flights are operational daily from Canada to Washington, D.C. as of May 2026. The most popular departure time for this route is 9:00AM, with 38% of flights per day taking off at noon.

The number of flights available between Canada and Washington, D.C. is 349 per week as of May 2026. The most frequent departure day is Thu, with 15% of weekly flights leaving on this day.