Cheap flights from Washington, D.C. Dulles Intl Airport to Toronto from $92

The month of June is, on average, the cheapest month to fly to Toronto from Washington, D.C. Dulles Intl Airport, with most prices found around $232. If you are unable to visit Toronto during the month of June, then departing from Washington, D.C. Dulles Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $252.

On average, the least expensive day to fly to Toronto from Washington, D.C. Dulles Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $370. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Toronto is Sunday, with ticket prices averaging around $522.

In the afternoon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Toronto when you can find flight prices for as low as $363. Flying to Toronto in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Toronto are more costly in the morning, with an average ticket price of $465. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Toronto from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around $339 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from Washington, D.C. Dulles Intl Airport for as low as $264 on momondo.

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

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Toronto.

As of February 2026, prices for Washington, D.C. Dulles Intl Airport to Toronto flights are approximately 14% more expensive when compared to flights at the same time last year.

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

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Toronto from Washington, D.C. Dulles Intl Airport according to our data. Air Canada is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Toronto. Keep in mind that there are 4 different airlines that fly to Toronto on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Washington, D.C. and Toronto have experienced a delay on any given week. The average delay length over the past 12 months has been 127 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.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday 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 12% of their flights experiencing any sort of delay.

As of February 2026, 16 flights take off from Washington, D.C. Dulles Intl Airport and land in Toronto each day. The most common flight departure time for this route is 12:00PM, with 59% of daily flights taking off in the afternoon.

As of February 2026, there are 114 flights per week flying from Washington, D.C. Dulles Intl Airport to Toronto. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.