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Flights from Washington D.C. to Montreal

Find Cheapest Airlines Flying from Washington D.C. to Montreal

Choose from 2 airlines flying from Washington D.C. to Montreal, including Air Canada, Porter Airlines and . Air Canada currently offers the cheapest ticket on this route.

Find the cheapest direct flight options from Washington D.C. to Montreal over the next three months. Book one-way tickets from CAD 150 and round-trip tickets from CAD 335.

Displayed flight fares from Washington D.C. to Montreal are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Information for Washington D.C. to Montreal Flights

The distance between Washington D.C. and Montreal is 790.74km. It takes around 1 hour 48 minutes on average to fly from Washington D.C. to Montreal. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight priceCAD 141
Cheapest return ticket priceCAD 326
Off-season travel monthNovember
Peak season for travelJuly
Flight distance790.74km
Average flight time1 hour 48 minutes
Popular airlineAir Canada

When is the cheapest time to fly from Washington D.C. to Montreal?

The cheapest time for Washington D.C. to Montreal flights: Dec 14 to Dec 21 — one way flight prices from CAD 140.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Washington D.C. to Montreal, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Washington D.C. (WAS) to Montreal (YMQ)?

    Based on Trip.com data, Porter Airlines offers one-way fares as low as CAD 141 on Cheapest nonstop routes (e.g. IAD to YUL on Tue, Dec 16), while Porter Airlines offers Cheapest nonstop round-trips from CAD 326 departing on Sun, Dec 14 and returning on Tue, Dec 16.
  • At the moment, you can catch a direct flight from Washington D.C. to Montreal with the following airlines, including: Air Canada Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 48 minutes to fly from Washington D.C. (WAS) to Montreal (YMQ).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Montreal is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 66 flight per week flying from Washington D.C. to Montreal. You can check the weekly schedule for popular airlines on this route below: Air Canada: S/M/T/W/T/F/S -- AC8726 (09:53)
  • To find best deals on flights from Washington D.C. to Montreal, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Dec 16, with one-way flights priced at just CAD 141.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Canada.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Montreal travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Washington D.C. to Montreal is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Washington D.C. to Montreal on December 17, 2025 with Porter Airlines, with prices starting at CAD 129.
  • You can land at any one of the following hubs in Montreal, with Ronald Reagan Washington National Airport to Montreal-Pierre Elliott Trudeau International Airport (DCA-YUL) is by far the most common option on this route: Montreal Metropolitan Airport (YHU) Montreal-Mirabel International Airport (YMX) Montreal-Pierre Elliott Trudeau International Airport (YUL).
  • The time difference between Montreal and Washington D.C. is 0h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.