Cheap flights from Canada to Washington, D.C. from C$ 175

The cheapest month to fly to Washington, D.C. Dulles Intl Airport from Canada is in September. Flight prices, which tend to average around C$ 102, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. Dulles Intl Airport in September, then you should wait until October to fly from Canada, when ticket prices are also cheap, with an average price of C$ 126.

According to our data, Friday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Canada. The lowest ticket price found for a Friday departure recently was C$ 526. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is C$ 965.

Our most recent data shows that the best time of day to fly to Washington, D.C. Dulles Intl Airport is in the afternoon. Flights from Canada to Washington, D.C. Dulles Intl Airport during this time can be as low as C$ 509. In the evening is when there is more demand to fly to Washington, D.C. Dulles Intl Airport, so prices are often more expensive at around C$ 847 per ticket.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around C$ 407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Canada for as low as C$ 289 on momondo.

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

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Canada according to our data. Air Canada is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 7 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% 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 120 minutes.

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

Thursday is statistically the day of the week that experiences the fewest 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 has had the least delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

As of May 2026, 41 flights take off from Canada and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 2:00p.m., with 38% of daily flights taking off in the afternoon.

The number of flights available between Canada and Washington, D.C. Dulles Intl Airport is 292 per week as of May 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.