Cheap flights from Montreal to Washington, D.C. from C$ 218

The month of June is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Montreal, with most prices found around C$ 357. If you don’t want to visit Washington, D.C. Reagan-National Airport in June, then you should wait until January to fly from Montreal, when ticket prices are also cheap, with an average price of C$ 411.

On average, the least expensive day to fly to Washington, D.C. Reagan-National Airport from Montreal is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 560. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to Washington, D.C. Reagan-National Airport for around C$ 970.

Our data shows that the cheapest Montreal to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the morning. Our users have found flights to Washington, D.C. Reagan-National Airport in the morning for as low as C$ 586. Flights in the evening are often more expensive with an average ticket price of C$ 1,086.

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

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around C$ 465 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Montreal for as low as C$ 363 on momondo.

There are 4 cabin classes available to choose from on Montreal to Washington, D.C. Reagan-National 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 10% on your flight if you consider stops on a Montreal to Washington, D.C. Reagan-National Airport flight.

The number of flights available between Montreal and Washington, D.C. Reagan-National Airport is 4 per day as of March 2026. The most frequent departure time is 8:00a.m., with 35% of daily flights leaving at noon.

As of March 2026, there are 32 flights per week flying from Montreal to Washington, D.C. Reagan-National Airport. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.