$166 Find Cheap Flights from Washington Dulles Airport to Montreal - Compare and Save

For Washington Dulles Airport to Montreal, Thursday is the cheapest day to fly on average and Tuesday is the most expensive. Flying from Montreal back to Washington Dulles Airport, the best deals are generally found on Friday, with Sunday being the most expensive.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport is March, where tickets cost $289 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is $519 and $495 respectively.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $481 on average.

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport, you should book around 3 weeks before departure, which saves you about 47% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

In the past 5 days, the cheapest round-trip tickets from Washington Dulles Airport to Montreal were found on Porter Airlines ($322) and Air Canada ($353).

There are 2 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. They are Air Canada and United Airlines. The cheapest airline for this route is Air Canada, with the best round-trip deal found costing $137. On average, the best prices for this route can be found at Air Canada.

Toronto (YTZ) is the top choice – 95% of KAYAK users who clicked on 1-stop flights from Washington Dulles Airport to Montreal picked an itinerary connecting there.

Flights via Toronto (YTZ) offer the most affordable fares, with an average round-trip price of $354.

Consider flying via Toronto (YTZ) for the shortest journey. The average one-way travel time for flights connecting there is 4h 39m.

If you prefer a quick connection, Toronto (YTZ) often has the shortest layovers from Washington Dulles Airport to Montreal, with an average of 1h 34m.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are 4 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Montreal Pierre Elliott Trudeau Intl Airport, with an average flight time of 1h 53m. The most common departure time is 12:00 pm and most flights take off in the morning. Each week, there are 28 flights and there are the same amount of flights each day (4).