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$135+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YMQ
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Find cheap flights from Washington, D.C. to Montreal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Washington, D.C. to Montreal are usually found in January or March, booked 88 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap 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 March 13, 2026.

This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 pm
IAD
-
YUL
1 stop4h 45m
Multiple Airlines
Fri 5/11:05 pm
YUL
-
IAD
Nonstop1h 58m
Multiple Airlines
Deal found 3/9$267
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Fri 6/124:05 pm
IAD
-
YUL
1 stop4h 05m
Porter Airlines
Mon 6/156:30 am
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 3/10$268
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/511:40 am
IAD
-
YUL
1 stop4h 50m
Porter Airlines
Mon 4/136:50 am
YUL
-
IAD
1 stop4h 04m
Porter Airlines
Deal found 3/8$273
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 6/411:30 am
IAD
-
YUL
1 stop5h 45m
Porter Airlines
Sun 6/710:35 am
YUL
-
IAD
1 stop4h 46m
Porter Airlines
Deal found 3/10$276
This Flybillet deal was found by Cheapflights users on 3/8. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:40 am
IAD
-
YUL
1 stop6h 05m
Porter Airlines
Mon 4/206:50 am
YUL
-
IAD
1 stop4h 04m
Porter Airlines
Deal found 3/8$278
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 5/811:30 am
IAD
-
YUL
1 stop5h 45m
Porter Airlines
Mon 5/116:30 am
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 3/9$279
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/176:00 pm
IAD
-
YUL
1 stop4h 45m
Porter Airlines
Mon 4/206:50 am
YUL
-
IAD
1 stop4h 04m
Porter Airlines
Deal found 3/9$280
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:40 am
IAD
-
YUL
1 stop4h 50m
Porter Airlines
Sun 5/310:35 am
YUL
-
IAD
1 stop4h 46m
Porter Airlines
Deal found 3/10$281
This Trip.com deal was found by Cheapflights users on 3/8. 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 5/211:30 am
IAD
-
YUL
1 stop6h 45m
Porter Airlines
Mon 5/46:30 am
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 3/8$282
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/1311:40 am
IAD
-
YUL
1 stop4h 50m
Porter Airlines
Wed 4/156:50 am
YUL
-
IAD
1 stop4h 04m
Porter Airlines
Deal found 3/9$283
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 am
DCA
-
YUL
Nonstop1h 46m
Air Canada
Fri 5/13:40 pm
YUL
-
DCA
1 stop4h 18m
Air Canada
Deal found 3/9$287
This Mytrip deal was found by Cheapflights users on 3/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:00 am
DCA
-
YUL
Nonstop1h 46m
Air Canada
Sun 4/198:30 am
YUL
-
DCA
Nonstop1h 49m
Air Canada
Deal found 3/13$293

Find 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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$267
(Mytrip)

One-way from

$135
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$366

Good round-trip deal

$438 or less

Good one-way deal

$192 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Montreal (YMQ) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Montreal (YMQ) flights.
Search Deals
From Washington, D.C. (WAS) to Montreal (YMQ)
Search Deals
One-way flight from Washington, D.C. (WAS) to Montreal (YMQ)
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Montreal (YMQ).
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Montreal (YMQ).
Search Deals

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 March 13, 2026.
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 - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 5/25

5:33 pm-11:57 pm

1 stop6h 24m

Montreal Pierre Elliott Trudeau Intl

Sat 5/30

7:00 am-2:13 pm

1 stop7h 13m

$401

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 5/7

10:30 pm-10:40 am

1 stop12h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 5/11

6:35 pm-8:37 pm

Nonstop2h 02m

$413

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 4/11

8:23 am-1:09 pm

1 stop4h 46m

Montreal Pierre Elliott Trudeau Intl

Thu 4/16

9:15 am-11:17 am

Nonstop2h 02m

$413

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 5/1

8:20 am-1:09 pm

1 stop4h 49m

Montreal Pierre Elliott Trudeau Intl

Mon 5/4

6:35 pm-8:37 pm

Nonstop2h 02m

$413

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 6/12

6:33 am-1:09 pm

1 stop6h 36m

Montreal Pierre Elliott Trudeau Intl

Sun 6/14

9:15 am-11:12 am

Nonstop1h 57m

$413

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 4/23

11:05 am-4:10 pm

1 stop5h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 4/30

11:23 am-4:24 pm

1 stop5h 01m

$429

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Mon 3/30

7:00 am-1:09 pm

1 stop6h 09m

Montreal Pierre Elliott Trudeau Intl

Thu 4/2

11:23 am-3:24 pm

1 stop4h 01m

$429

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 4/16

10:05 am-4:10 pm

1 stop6h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 4/19

11:23 am-3:24 pm

1 stop4h 01m

$429

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 4/18

12:00 pm-11:08 pm

2 stops11h 08m

Montreal Pierre Elliott Trudeau Intl

Sat 4/25

12:42 pm-9:37 pm

1 stop8h 55m

$439

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 5/12

5:28 pm-11:13 pm

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Sat 5/16

6:00 am-4:54 pm

2 stops10h 54m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 60 resultsSorted by cheapest first
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 March 6, 2026.

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 88 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Montreal (average of $112). Flying from Washington, D.C. to Montreal in June is currently the most expensive (average of $246). 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 March 13, 2026.

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 17% 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 March 12, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Montreal flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday 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 March 13, 2026.

The most flights from WAS to YMQ are scheduled on a Monday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 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 March 13, 2026.
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
423 reviews

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
423 reviews
Porter Airlines
8.0
Very good
423 reviews

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,418 reviews
Porter Airlines
8.0
Very good
423 reviews

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,800 reviews
Porter Airlines
8.0
Very good
423 reviews

Entertainment

7.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 Delta and United Airlines fly from Washington, D.C. to Montreal in about 6h 24m. The time it takes to get you to your destination can typically vary by up to 5h 46m. Airlines will cover a distance of 488 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 Air Canada. Our recent data shows that you can find tickets from as low as $117 on this airline. Additional options worth looking into are Porter Airlines and United Airlines, starting at $148 and $174 round-trip. Air Canada is currently priced 69% 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 Air Canada, with whom users have recently found tickets for as low as $95. However, be on the lookout for offers from Porter Airlines 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 Jazz (80%), Air Canada (78%) and Avianca (77%).

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

    Looking at all options, your cheapest flight can be booked for $123. While the most popular route (Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl) can be booked for $339 on average, our data indicates $1,072 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Montreal (average of $112). Flying from Washington, D.C. to Montreal in June is currently the most expensive (average of $246). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Montreal

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Ottawa flights
Reagan-National to Ottawa flights
Reagan-National to Québec City flights

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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$117Average$386FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$148Average$292FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$174Average$441FlexibilityNo cancel feeOn-time69%
DeltaCheapest$261Average$745FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$422Average$668FlexibilityNo cancel feeOn-time60%

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