HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montreal

$142+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YMQ
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Washington, D.C. to Montreal are usually found in January or February, booked 43 days in advance, depart on a Thursday or Friday and return on a Friday

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 April 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/111:30 am
IAD
-
YUL
1 stop5h 45m
Porter Airlines
Fri 6/56:30 am
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 4/27$270
This Booking.com deal was found by Cheapflights users on 4/27. 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.
Wed 5/279:45 am
IAD
-
YUL
Nonstop1h 48m
Air Canada
Wed 6/35:00 pm
YUL
-
IAD
Nonstop1h 58m
Air Canada
Deal found 4/27$277
This Mytrip deal was found by Cheapflights users on 4/27. 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 5/286:00 am
DCA
-
YUL
Nonstop1h 46m
Air Canada
Mon 6/18:30 am
YUL
-
DCA
Nonstop1h 49m
Air Canada
Deal found 4/27$278
This Flightnetwork deal was found by Cheapflights users on 4/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:59 am
DCA
-
YUL
1 stop17h 32m
Air Canada
Thu 5/148:30 am
YUL
-
DCA
Nonstop1h 49m
Air Canada
Deal found 4/28$280
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Sat 5/309:45 am
IAD
-
YUL
Nonstop1h 48m
Air Canada
Mon 6/15:00 pm
YUL
-
IAD
Nonstop1h 58m
Air Canada
Deal found 4/27$281
This Mytrip deal was found by Cheapflights users on 4/27. 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 5/119:40 am
DCA
-
YUL
Nonstop1h 46m
Air Canada
Wed 5/138:00 pm
YUL
-
DCA
Nonstop1h 55m
Air Canada
Deal found 4/27$286
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 7/94:00 pm
IAD
-
YUL
1 stop6h 10m
Porter Airlines
Tue 7/146:30 am
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 4/27$287
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 7/104:00 pm
IAD
-
YUL
1 stop4h 10m
Porter Airlines
Thu 7/166:30 am
YUL
-
IAD
1 stop4h 16m
Porter Airlines
Deal found 4/25$288
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Sat 6/611:30 am
IAD
-
YUL
1 stop6h 45m
Porter Airlines
Sun 6/710:35 am
YUL
-
IAD
1 stop4h 46m
Porter Airlines
Deal found 4/26$291
This Flightnetwork deal was found by Cheapflights users on 4/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:15 pm
IAD
-
YUL
1 stop4h 30m
Air Canada
Mon 6/810:30 am
YUL
-
IAD
1 stop5h 42m
Air Canada
Deal found 4/28$292
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 7/54:00 pm
IAD
-
YUL
1 stop4h 10m
Porter Airlines
Wed 7/1510:35 am
YUL
-
IAD
1 stop4h 41m
Porter Airlines
Deal found 4/27$293
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Wed 7/84:00 pm
IAD
-
YUL
1 stop6h 10m
Porter Airlines
Mon 7/1310:35 am
YUL
-
IAD
1 stop4h 41m
Porter Airlines
Deal found 4/27$294

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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$270
(Kiwi.com)

One-way from

$142
(oojo)

Popular in

December

Cheapest in

January

Average price

$411

Good round-trip deal

$394 or less

Good one-way deal

$187 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. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 28, 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
Quickest round-trip

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sun 6/14

4:20 pm-6:12 pm

Nonstop1h 52m

Montreal Pierre Elliott Trudeau Intl

Thu 6/25

8:30 am-10:18 am

Nonstop1h 48m

$342

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 6/11

6:00 am-6:54 pm

2 stops12h 54m

Montreal Pierre Elliott Trudeau Intl

Mon 6/15

6:50 pm-12:44 am

1 stop5h 54m

$357

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 6/11

8:00 am-5:45 pm

1 stop9h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 6/15

9:30 am-8:48 pm

2 stops11h 18m

$357

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 5/12

11:15 am-11:57 pm

2 stops12h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 5/16

7:00 am-3:29 pm

1 stop8h 29m

$368

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sun 6/14

8:15 am-1:50 pm

1 stop5h 35m

Montreal Pierre Elliott Trudeau Intl

Thu 6/25

2:40 pm-10:55 pm

1 stop8h 15m

$379

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 5/11

5:33 pm-11:57 pm

1 stop6h 24m

Montreal Pierre Elliott Trudeau Intl

Tue 5/19

6:00 am-10:22 am

1 stop4h 22m

$381

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 6/10

8:29 am-5:45 pm

1 stop9h 16m

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

6:50 pm-12:44 am

1 stop5h 54m

$381

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Mon 5/11

4:00 pm-11:57 pm

1 stop7h 57m

Montreal Pierre Elliott Trudeau Intl

Thu 5/14

2:29 pm-10:54 pm

1 stop8h 25m

$382

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 5/12

1:43 pm-11:57 pm

1 stop10h 14m

Montreal Pierre Elliott Trudeau Intl

Thu 5/14

2:29 pm-10:54 pm

1 stop8h 25m

$382

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 5/12

1:45 pm-6:53 pm

1 stop5h 08m

Montreal Pierre Elliott Trudeau Intl

Sat 5/16

12:40 pm-8:45 pm

1 stop8h 05m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 April.
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?

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 85 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Montreal (average of $101). Flying from Washington, D.C. to Montreal in June is currently the most expensive (average of $1,162). 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 April 28, 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 27% 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 April 25, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Montreal flight should consider departing on Monday evenings 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.

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 April 28, 2026.

The most flights from WAS to YMQ are scheduled on a Monday (19 on average). You will have fewer flight options on Friday, 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?

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 April 28, 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
435 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Entertainment

7.0

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
435 reviews
Porter Airlines
8.0
Very good
435 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Entertainment

7.0

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
9,675 reviews
Porter Airlines
8.0
Very good
435 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Entertainment

7.0

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
10,975 reviews
Porter Airlines
8.0
Very good
435 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Entertainment

7.0

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 Air Canada and Delta fly from Washington, D.C. to Montreal in about 1h 52m. The time it takes to get you to your destination can typically vary by up to 11h 02m. 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 Air Canada. Our recent data shows that you can find tickets from as low as $113 on this airline. Additional options worth looking into are Porter Airlines and United Airlines, starting at $132 and $174 round-trip. Air Canada is currently priced 71% 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 $106. 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. Dulles Intl - Montreal Pierre Elliott Trudeau Intl. You may also consider Washington, D.C. Reagan-National - 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 Air Canada (88%), Copa Airlines (86%) and Republic Airways (86%).

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

    Looking at all options, your cheapest flight can be booked for $171. While the most popular route (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $270 on average, our data indicates $1,437 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 $101). Flying from Washington, D.C. to Montreal in June is currently the most expensive (average of $1,162). 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 4 airlines flying from Washington, D.C. to Montreal

Discover the top 4 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$113Average$385FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$132Average$288FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$174Average$457FlexibilityNo cancel feeOn-time69%
DeltaCheapest$261Average$751FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.