Cheap flights from Washington, D.C. to Montreal from C$ 234

The month of February is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C., with most prices found around C$ 522. The month of March is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Washington, D.C. averaging around C$ 539.

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Thursday when prices can be found for as low as C$ 534. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,007.

In the afternoon is the cheapest time of day to fly from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 603. Flying to Montreal Pierre Elliott Trudeau Intl Airport 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 C$ 854. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around C$ 576 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C. for as low as C$ 260 on momondo.

There are 2 cabin classes available to choose from on Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport 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 Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport flight.

As of July 2026, prices for Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 6% more expensive when compared to flights at the same time last year.

As of July 2026, there are 17 flights per day flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport. The most common time of day flights depart is 9:00a.m., with 68% of flights taking off in the afternoon.

As of July 2026, 122 flights take off from Washington, D.C. and land in Montreal Pierre Elliott Trudeau Intl Airport each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.