Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to District of Columbia from C$ 195

The month of July is, on average, the cheapest month to fly to District of Columbia from Montreal Pierre Elliott Trudeau Intl Airport, with most prices found around C$ 389. If you aren’t able to travel during the month of July, then book flights to District of Columbia from Montreal Pierre Elliott Trudeau Intl Airport during September instead. Flights to District of Columbia in September, while not as cheap as those in July, still average around C$ 404.

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to District of Columbia is on a Friday when prices can be found for as low as C$ 780. 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$ 1,184.

Our data shows that the cheapest Montreal Pierre Elliott Trudeau Intl Airport to District of Columbia flights are usually those with departure times in the morning. Our users have found flights to District of Columbia in the morning for as low as C$ 823. In the evening is when there is more demand to fly to District of Columbia, so prices are often more expensive at around C$ 1,093 per ticket.

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

You are more likely to see cheaper flights to District of Columbia from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around C$ 437 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 293 on momondo.

There are 4 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl 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.

Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport 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.

8 flights are operational daily from Montreal Pierre Elliott Trudeau Intl Airport to District of Columbia as of March 2026. The most popular departure time for this route is 9:00a.m., with 40% of flights per day taking off at noon.

The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and District of Columbia is 59 per week as of March 2026. The most frequent departure day is Wed, with 25% of weekly flights leaving on this day.