Cheap flights from Washington, D.C. Reagan-National Airport to Montreal from C$ 225

The cheapest month to fly to Montreal from Washington, D.C. Reagan-National Airport is in February. Flight prices, which tend to average around C$ 523, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Montreal from Washington, D.C. Reagan-National Airport during April instead. Flights to Montreal in April, while not as cheap as those in February, still average around C$ 534.

Our data shows that Thursday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 530. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Reagan-National Airport to Montreal for around C$ 998.

Our data shows that the cheapest Washington, D.C. Reagan-National Airport to Montreal flights are usually those with departure times in the afternoon. Our users have found flights to Montreal in the afternoon for as low as C$ 612. Flights at noon are often more expensive with an average ticket price of C$ 830.

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

You are more likely to see cheaper flights to Montreal from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 611 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from Washington, D.C. Reagan-National Airport for as low as C$ 444 on momondo.

There is only 1 cabin class available to choose from on Washington, D.C. Reagan-National Airport to Montreal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Washington, D.C. Reagan-National Airport to Montreal.

4 flights are operational daily from Washington, D.C. Reagan-National Airport to Montreal as of November 2026. The most popular departure time for this route is 6:00a.m., with 66% of flights per day taking off at noon.

As of November 2026, there are 30 flights per week flying from Washington, D.C. Reagan-National Airport to Montreal. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.