Cheap Flights from Montreal to Washington D.C. from $158

Frequently Asked Questions

• What are the cheapest flights from Montreal to Washington D.C. (YMQ-WAS)?

  Based on Trip.com data, Air Canada offers one-way fares as low as $158 on Cheapest nonstop routes (e.g. YUL to IAD on Tue, Dec 8), while Air Canada offers Cheapest nonstop round-trips from $271 departing on Sat, Nov 7 and returning on Mon, Nov 9.

• Which airlines offer direct flights from Montreal to Washington D.C.?

  At the moment, you can catch a nonstop flight from Montreal to Washington D.C. with the following airlines, including: Air Canada United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Montreal (YMQ) to Washington D.C. (WAS) and what is the distance?

  It takes around 1 hour 53 minutes to fly from Montreal (YMQ) to Washington D.C. (WAS).

• When is the best time to book flights from Montreal to Washington D.C.?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Montreal to Washington D.C. 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.

• How many flights are there per week from Montreal to Washington D.C.?

  Based on Trip.com data in the past 4 weeks, there is 83 flight per week flying from Montreal to Washington D.C.. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA3590 (09:46) Air Canada: S/M/T/W/T/F/S -- AC4927 (09:46)

• How can I find the best deals on flights from Montreal to Washington D.C.?

  To find best deals on flights from Montreal to Washington D.C., 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 8, with one-way flights priced at just $158.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
  · 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 Washington D.C. travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Montreal (YMQ) to Washington D.C. (WAS) the cheapest?

  The cheapest months to fly from Montreal to Washington D.C. is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Montreal to Washington D.C. on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Montreal to Washington D.C. on October 25, 2026 with Air Canada, with prices starting at $165.

• Which airports can I fly into Washington D.C. from Montreal?

  You can arrive at any of the following airports in Washington D.C.: Dulles International Airport (IAD), and Ronald Reagan Washington National Airport (DCA). Flights from Montréal-Pierre Elliott Trudeau International Airport to Dulles International Airport (YUL-IAD) are by far the most popular option for this route.

• Is there any time difference between Montreal and Washington D.C.?

  The time difference between Washington D.C. and Montreal is 0m.

• How do I change or cancel my ticket from Montreal to Washington D.C.?

  Tickets can only be changed or canceled 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.

• What is the average cost of a one-way flight from Montreal to Washington D.C.?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Montreal to Washington D.C. is $330. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Montreal to Washington D.C.?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Montreal to Washington D.C. is $390. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Montreal to Washington D.C. on Trip.com?

  Enter Montreal and Washington D.C., choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Montreal to Washington D.C. route?

  Porter Airlinesare the most popular budget airlines flying from Montreal to Washington D.C.. Check baggage, seat and payment fees before comparing the final price.