Cheap flights from Washington, D.C. Dulles Intl Airport to Canada from $111

If you aren’t able to travel during the month of June, then book flights to Canada from Washington, D.C. Dulles Intl Airport during January instead. Flights to Canada in January, while not as cheap as those in June, still average around $252.

Our data shows that Thursday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as $342. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Canada for around $462.

In the afternoon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Canada when you can find flight prices for as low as $342. Flying to Canada in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Canada is at noon when prices are around $452.

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

You are more likely to see cheaper flights to Canada from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around $343 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from Washington, D.C. Dulles Intl Airport for as low as $266 on momondo.

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

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

United Airlines, Air Canada and Porter Airlines are the top three most popular airlines that fly to Canada from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Canada. Keep in mind that there are 8 different airlines that fly to Canada on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Washington, D.C. and Canada have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening 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 13% of their flights experiencing any sort of delay.

As of March 2026, there are 39 flights per day flying from Washington, D.C. Dulles Intl Airport to Canada. The most common time of day flights depart is 5:00PM, with 66% of flights taking off in the afternoon.

As of March 2026, 275 flights take off from Washington, D.C. Dulles Intl Airport and land in Canada each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.