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Montreal

$145+ Cheap flights from Washington, D.C. (WAS) to Montreal (YMQ)

WAS — YMQ
Dec 10 — Dec 171
Thu 12/10
Thu 12/17
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Montreal are usually found in January or March, booked 35 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap flight deals from Washington, D.C. to Montreal

Cheapest flights from Washington, D.C. to Montreal

Sat 12/129:05 am -
Nonstop1h 43m
Sat 12/123:10 pm -
1 stop5h 00m
Deal found 11/8$313
Fri 12/1112:55 pm -
1 stop5h 48m
Sun 12/134:10 pm -
1 stop6h 28m
Deal found 11/9$316
Mon 11/239:55 am -
Nonstop1h 43m
Thu 11/266:25 pm -
Nonstop1h 58m
Deal found 11/9$326
Mon 11/236:00 am -
Nonstop1h 46m
Wed 11/258:25 am -
Nonstop1h 59m
Deal found 11/9$326
Mon 11/239:55 am -
Nonstop1h 43m
Tue 12/110:10 am -
1 stop5h 35m
Deal found 11/9$339
Mon 11/236:00 am -
Nonstop1h 46m
Tue 12/15:10 pm -
1 stop5h 28m
Deal found 11/9$339
Sat 12/129:05 am -
Nonstop1h 43m
Sun 12/1310:10 am -
1 stop5h 35m
Deal found 11/9$340
Mon 12/74:00 pm -
Nonstop1h 50m
Mon 12/148:30 am -
Nonstop1h 59m
Deal found 11/9$342
Mon 11/239:55 am -
Nonstop1h 43m
Wed 11/2510:25 am -
1 stop6h 22m
Deal found 11/9$349
Wed 11/255:00 pm -
1 stop6h 48m
Fri 11/277:00 am -
1 stop6h 54m
Deal found 11/9$351
Wed 11/257:20 pm -
1 stop4h 07m
Fri 11/277:00 am -
1 stop7h 58m
Deal found 11/9$351
Thu 12/104:30 pm -
1 stop5h 30m
Sun 12/1310:10 am -
1 stop5h 35m
Deal found 11/9$352

Find flight deals from Washington, D.C. to Montreal

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$313
(Air Canada)

One-way from

$145
(Air Canada)

Popular in

July

Cheapest in

January

Average price

$441

Good round-trip deal

$390 or less

Good one-way deal

$209 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Montreal (YMQ) flights.
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From Washington, D.C. (WAS) to Montreal (YMQ)
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One-way flight from Washington, D.C. (WAS) to Montreal (YMQ)
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Highest demand for flights based on searches. 8% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Montreal (YMQ).
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Montreal (YMQ).
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 12/3

3:00 pm-11:48 pm

1 stop8h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$146

Washington, D.C.Montreal

DCA Washington, D.C. Reagan-National - YUL Montreal Pierre Elliott Trudeau Intl

DCAYUL

Washington, D.C. Reagan-National

Wed 1/13

10:14 am-5:35 pm

1 stop7h 21m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$146

Washington, D.C.Montreal

DCA Washington, D.C. Reagan-National - YUL Montreal Pierre Elliott Trudeau Intl

DCAYUL

Washington, D.C. Reagan-National

Mon 12/7

4:05 pm-11:48 pm

1 stop7h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$146
Quickest round-trip

Washington, D.C.Montreal

DCA Washington, D.C. Reagan-National - YUL Montreal Pierre Elliott Trudeau Intl

DCAYUL

Washington, D.C. Reagan-National

Wed 11/18

11:05 am-12:46 pm

Nonstop1h 41m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$154

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Wed 11/25

9:55 am-2:25 pm

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$160

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Sun 1/10

11:20 am-4:05 pm

1 stop4h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$172

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 11/26

6:00 am-11:52 am

1 stop5h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$192

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Wed 11/25

5:00 pm-11:48 pm

1 stop6h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$192

Washington, D.C.Montreal

DCA Washington, D.C. Reagan-National - YUL Montreal Pierre Elliott Trudeau Intl

DCAYUL

Washington, D.C. Reagan-National

Thu 12/3

6:00 am-11:59 am

1 stop5h 59m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$192

Washington, D.C.Montreal

DCA Washington, D.C. Reagan-National - YUL Montreal Pierre Elliott Trudeau Intl

DCAYUL

Washington, D.C. Reagan-National

Thu 11/26

6:10 am-11:52 am

1 stop5h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 42 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to Montreal

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Montreal in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Montreal flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Montreal flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Washington, D.C. with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Montreal

What is the cheapest month to book a flight from Washington, D.C. to Montreal?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Montreal (average of $371). Flying from Washington, D.C. to Montreal in September is currently the most expensive (average of $478). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to YMQ?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Montreal in the evening. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight at noon.

Weekly flight availability from Washington, D.C. to Montreal

The most flights from WAS to YMQ are scheduled on a Monday (14 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost to fly round-trip from Washington, D.C. to Montreal?

Airfare is below average for this route at the moment.
Washington, D.C. to Montreal flights typically cost between $375 and $534 in December.
The cheapest round-trip price found within the last 5 days was $313 on Air Canada (Dec 12-Dec 12).

How far ahead should I book a flight from Washington, D.C. to Montreal?

The price you pay for your flight from Washington, D.C. to Montreal may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Washington, D.C. to Montreal?

Travelers seeking maximum savings on their Washington, D.C. to Montreal flight should consider departing on Saturday mornings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Montreal

Read reviews from past customers who have flown Porter Airlines,United Airlines, andAir Canada from Washington, D.C. to Montreal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
468 reviews

Boarding

8.2

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Porter Airlines
8.0
Very good
468 reviews
Porter Airlines
8.0
Very good
468 reviews

Boarding

8.2

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
United Airlines
7.3
Good
10,476 reviews
Porter Airlines
8.0
Very good
468 reviews

Boarding

8.2

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Canada
7.1
Good
11,876 reviews
Porter Airlines
8.0
Very good
468 reviews

Boarding

8.2

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Related info for your journey

  • How long is the flight from Washington, D.C. to Montreal?

    Airlines like Air Canada and Delta fly from Washington, D.C. to Montreal in about 5h 30m. The time it takes to get you to your destination can typically vary by up to 1h 18m. Airlines will cover a distance of 486 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. to Montreal round-trip?

    Our cheapest airline available from Washington, D.C. to Montreal is Porter Airlines. Our recent data shows that you can find tickets from as low as $115 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $144 and $214 round-trip. Porter Airlines is currently priced 73% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. to Montreal one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as $114. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Washington, D.C. to Montreal for a low price.

  • What are the most popular routes from Washington, D.C. to Montreal?

    The most popular route from Washington, D.C. to Montreal is Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl. You may also consider Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl or Baltimore/Washington - Montreal Pierre Elliott Trudeau Intl.

  • What are the most reliable airlines from Washington, D.C. to Montreal?

    The top 3 most reliable airlines when flying from Washington, D.C. to Montreal are Avianca (84%), Copa Airlines (84%) and Republic Airways (84%).

  • What are the cheapest flights from Washington, D.C. to Montreal?

    Looking at all options, your cheapest flight can be booked for $139. While the most popular route (Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl) can be booked for $376 on average, our data indicates $1,062 when flying from Washington, D.C. to Montreal.

  • Can I find deals for flights from Washington, D.C. to Montreal that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Montreal.

  • Can I find deals for business class flights from Washington, D.C. to Montreal?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Montreal?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Montreal (average of $371). Flying from Washington, D.C. to Montreal in September is currently the most expensive (average of $478). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Montreal

Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Ottawa flights
Reagan-National to Québec City flights
Reagan-National to Ottawa flights

Top 4 airlines flying from Washington, D.C. to Montreal

AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$115Average$322FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$144Average$420FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$214Average$538FlexibilityNo cancel feeOn-time69%
DeltaCheapest$310Average$803FlexibilityNo cancel feeOn-timeN/A

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