Cheap flights from Toronto to Washington, D.C. from $131

In general, July is the cheapest month to fly from Toronto to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $87. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $101.

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $316. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Toronto to Washington, D.C. Dulles Intl Airport for around $536.

Flying to Washington, D.C. Dulles Intl Airport from Toronto in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $317 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $525 on average. Flights to Washington, D.C. Dulles Intl Airport from Toronto in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Toronto 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 $306 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 Toronto for as low as $213 on momondo.

Porter Airlines, Delta, and United Airlines are the most popular carriers operating from Toronto 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 Toronto according to our data. Air Canada is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 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 Toronto and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 119 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.

Thursday is statistically the day of the week which experiences the fewest number of 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 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.

As of May 2026, 19 flights take off from Toronto and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 9:00AM, with 40% of daily flights taking off in the afternoon.

134 flights are operational weekly from Toronto to Washington, D.C. Dulles Intl Airport as of May 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.