Cheap flights from Montreal to District of Columbia from C$ 249

The month of April is, on average, the cheapest month to fly to District of Columbia from Montreal, with most prices found around C$ 146. If you aren’t able to travel during the month of April, then book flights to District of Columbia from Montreal during October instead. Flights to District of Columbia in October, while not as cheap as those in April, still average around C$ 153.

The cheapest day to depart from Montreal to District of Columbia is on a Friday when prices can be found for as low as C$ 798. 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 District of Columbia on Sunday is C$ 1,205.

Our data shows that the cheapest Montreal to District of Columbia flights are usually those with departure times in the afternoon. Our users have found flights to District of Columbia in the afternoon for as low as C$ 766. In the evening is when there is more demand to fly to District of Columbia, so prices are often more expensive at around C$ 1,129 per ticket.

Fly from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Reagan-National for the best Montreal - District of Columbia flight prices

There are 4 cabin classes available to choose from on Montreal to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 21% on your flight if you consider stops on a Montreal to District of Columbia flight.

United Airlines, Delta, and Porter Airlines are the most popular carriers operating from Montreal to District of Columbia

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to District of Columbia from Montreal according to our data. Air Canada is the first choice among our users, with 62% of people opting to fly with this airline when travelling to District of Columbia. Keep in mind that there are 5 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

The number of flights available between Montreal and District of Columbia is 19 per day as of June 2026. The most frequent departure time is 9:00a.m., with 45% of daily flights leaving in the afternoon.

The number of flights available between Montreal and District of Columbia is 135 per week as of June 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.