Montreal

$128+ Cheap flights from Washington, D.C. (WAS) to Montreal (YMQ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YMQ
Nov 12 — Nov 191
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Cheapflights Tip: The best prices from Washington, D.C. to Montreal are usually found in February or March, booked 76 days in advance, depart on a Thursday or Friday and return on a Thursday

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Montreal (YMQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$277
(SmartFares)

One-way from

$131
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$414

Good round-trip deal

$386 or less

Good one-way deal

$137 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Montreal (YMQ) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Montreal (YMQ) flights.
From Washington, D.C. (WAS) to Montreal (YMQ)
One-way flight from Washington, D.C. (WAS) to Montreal (YMQ)
Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Montreal (YMQ).
Price to beat on a one-way flight from Washington, D.C. (WAS) to Montreal (YMQ).

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

Cheapest flights from Washington, D.C. to Montreal
Explore the most affordable flight options available from Washington, D.C. to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This SmartFares deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Tue 11/2511:25 amYUL - IAD
1 stop5h 49mPorter Airlines
Deal found 10/12$277
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:44 amIAD - YUL
2 stops13h 36mMultiple Airlines
Wed 12/31:40 pmYUL - IAD
1 stop3h 34mMultiple Airlines
Deal found 10/12$278
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:40 amIAD - YUL
1 stop4h 50mPorter Airlines
Sun 11/96:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Deal found 10/12$283
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:40 amIAD - YUL
1 stop3h 40mPorter Airlines
Sun 11/96:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Deal found 10/12$284
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:30 amIAD - YUL
2 stops11h 14mMultiple Airlines
Fri 12/126:45 amYUL - IAD
1 stop3h 39mMultiple Airlines
Deal found 10/11$285
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2311:40 amIAD - YUL
1 stop3h 40mPorter Airlines
Thu 11/271:40 pmYUL - IAD
1 stop3h 34mPorter Airlines
Deal found 10/11$288
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Fri 12/126:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Deal found 10/11$290
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Sun 11/1611:25 amYUL - IAD
1 stop5h 49mPorter Airlines
Deal found 10/12$291
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:36 pmIAD - YUL
2 stops28h 07mMultiple Airlines
Mon 11/1011:25 amYUL - IAD
1 stop5h 49mMultiple Airlines
Deal found 10/12$292
This Booking.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:05 amDCA - YUL
Nonstop1h 41mAir Canada
Tue 12/21:35 pmYUL - DCA
Nonstop1h 56mAir Canada
Deal found 10/11$292
This Trip.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/221:45 pmIAD - YUL
1 stop5h 00mPorter Airlines
Mon 11/2411:25 amYUL - IAD
1 stop5h 49mPorter Airlines
Deal found 10/11$293
This Trip.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:40 amIAD - YUL
1 stop6h 05mPorter Airlines
Sun 11/25:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Deal found 10/11$294

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Montreal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 13, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Montreal that are best for you.

Fly from

Washington, D.C.

Fly to

Montreal

Route

Depart

Return

Price

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 12/10

5:50 pm-7:48 pm

Nonstop1h 58m

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

2:13 pm-4:21 pm

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 11/26

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 11/29

9:15 am-11:23 am

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 12/8

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

9:15 am-11:23 am

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 11/6

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Thu 11/13

2:13 pm-4:21 pm

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 12/8

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

2:13 pm-4:21 pm

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 12/7

5:50 pm-7:48 pm

Nonstop1h 58m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

2:13 pm-4:21 pm

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 11/12

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Mon 11/17

9:15 am-11:23 am

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 12/10

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

2:13 pm-4:21 pm

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 10/25

1:00 pm-3:00 pm

Nonstop2h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 10/28

9:15 am-11:23 am

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 11/10

8:45 am-1:28 pm

1 stop4h 43m

Montreal Pierre Elliott Trudeau Intl

Fri 11/14

2:13 pm-4:21 pm

Nonstop2h 08m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 57 results
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Compare providers for flights from Washington, D.C. to Montreal

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Montreal. Price data was last updated on October 10, 2025.

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 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Montreal (average of $113). Flying from Washington, D.C. to Montreal in June is currently the most expensive (average of $238). 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?

Find hourly flight availability from Washington, D.C. to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 13, 2025.

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 43% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Montreal. Price data was last updated on December 16, 2024.

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

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

Explore weekly flight availability from Washington, D.C. to Montreal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 13, 2025.

The most flights from WAS to YMQ are scheduled on a Monday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

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

Reviews of airlines servicing Montreal

Get insights into the airlines that provide service to Montreal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montreal. Reviews last updated October 13, 2025.
Read reviews from past customers who have flown Porter Airlines, Delta, and United Airlines 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.

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
8.0
Very good

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Boarding

8.2

Crew

8.6

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Montreal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Washington, D.C. to Montreal?

    Airlines like United Airlines fly from Washington, D.C. to Montreal in about 1h 58m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 488 mi. Generally, flights for this route are nonstop.

  • 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 Air Canada. Our recent data shows that you can find tickets from as low as $137 on this airline. Additional options worth looking into are Porter Airlines and United Airlines, starting at $247 and $251 round-trip. Air Canada is currently priced 65% 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 $135. However, be on the lookout for offers from United Airlines and Air Canada, 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?

  • 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 Republic Airways (89%), United Airlines (89%) and Jazz (89%).

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

    Looking at all options, your cheapest flight can be booked for $120. While the most popular route (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $264 on average, our data indicates $973 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Montreal (average of $113). Flying from Washington, D.C. to Montreal in June is currently the most expensive (average of $238). 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

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Top 5 airlines flying from Washington, D.C. to Montreal

Discover the top 5 airlines that operate flights from Washington, D.C. to Montreal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$137Average$363FlexibilityNo cancel feeOn-time67%
DeltaCheapest$212Average$438FlexibilityNo cancel feeOn-timeN/A
Porter AirlinesCheapest$247Average$326FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$251Average$473FlexibilityNo cancel feeOn-time69%
WestJetCheapest$422Average$638FlexibilityNo cancel feeOn-time60%

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