Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. from $136

The month of July is, on average, the cheapest month to fly to Washington, D.C. from Montreal Pierre Elliott Trudeau Intl Airport, with most prices found around $281. If you’re not able to fly to Washington, D.C. in July, then September is your next best option. Flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. during September average around $292.

On average, the least expensive day to fly to Washington, D.C. from Montreal Pierre Elliott Trudeau Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $367. 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 Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. for around $616.

In the afternoon is the cheapest time of day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. when you can find flight prices for as low as $360. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $513. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Washington, D.C. from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $316 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 Montreal Pierre Elliott Trudeau Intl Airport for as low as $212 on momondo.

There are 4 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to Washington, D.C. 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 20% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. flight.

As of March 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. flights are approximately 13% cheaper when compared to flights at the same time last year.

Air Canada, Delta, and United Airlines are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport according to our data. Air Canada is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 4 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

As of March 2026, 4 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in Washington, D.C. each day. The most common flight departure time for this route is 9:00AM, with 41% of daily flights taking off at noon.

As of March 2026, 29 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in Washington, D.C. each week. The most common flight departure day for this route is Sat, with 52% of weekly flights taking off on this day.