Cheap flights from Toronto to Washington, D.C. from $139

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Toronto, with most prices found around $78. If you’re not able to fly to Washington, D.C. in January, then February is your next best option. Flight prices from Toronto to Washington, D.C. during February average around $118.

On average, the least expensive day to fly to Washington, D.C. from Toronto is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $306. 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 Toronto to Washington, D.C. for around $507.

In the morning is the cheapest time of day to fly from Toronto to Washington, D.C. when you can find flight prices for as low as $324. 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 $446. 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 Toronto - Washington, D.C. flight prices

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

You could potentially save up to 7% on your flight if you consider stops on a Toronto to Washington, D.C. flight.

As of April 2026, prices for Toronto to Washington, D.C. flights are approximately 1% more expensive when compared to flights at the same time last year.

Air Canada, American Airlines, and Porter Airlines are the most popular carriers operating from Toronto 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 Toronto according to our data. Air Canada is the first choice among our users, with 63% 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 Toronto 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.

Ottawa (YOW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Ottawa (YOW) offer the lowest average round-trip price of $227.

Flights connecting via Ottawa (YOW) have the shortest average one-way travel time: 4h 04m.

Montreal (YUL) has the shortest average layover time for this route: 2h 11m.

24 flights are operational daily from Toronto to Washington, D.C. as of April 2026. The most popular departure time for this route is 9:00AM, with 37% of flights per day taking off in the afternoon.

As of April 2026, there are 173 flights per week flying from Toronto to Washington, D.C.. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.