HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montreal

$155+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YMQ
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
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 58 days in advance, depart on a Saturday or Thursday 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 June 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:40 am
IAD
-
YUL
1 stop3h 40m
Porter Airlines
Fri 11/611:25 am
YUL
-
IAD
1 stop5h 49m
Porter Airlines
Deal found 6/13$308
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 9/173:50 pm
IAD
-
YUL
1 stop4h 20m
Porter Airlines
Fri 9/1810:35 am
YUL
-
IAD
1 stop4h 35m
Porter Airlines
Deal found 6/16$311
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/293:55 pm
IAD
-
YUL
1 stop4h 15m
Porter Airlines
Fri 7/3110:35 am
YUL
-
IAD
1 stop4h 36m
Porter Airlines
Deal found 6/16$312
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/63:55 pm
IAD
-
YUL
1 stop4h 15m
Porter Airlines
Fri 7/176:30 am
YUL
-
IAD
1 stop3h 55m
Porter Airlines
Deal found 6/15$313
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 9/33:50 pm
IAD
-
YUL
1 stop4h 20m
Porter Airlines
Mon 9/76:30 am
YUL
-
IAD
1 stop4h 15m
Porter Airlines
Deal found 6/16$314
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 9/43:50 pm
IAD
-
YUL
1 stop4h 20m
Porter Airlines
Tue 9/810:35 am
YUL
-
IAD
1 stop4h 35m
Porter Airlines
Deal found 6/16$315
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/133:55 pm
IAD
-
YUL
1 stop6h 15m
Porter Airlines
Mon 7/206:30 am
YUL
-
IAD
1 stop3h 55m
Porter Airlines
Deal found 6/15$316
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 8/123:50 pm
IAD
-
YUL
1 stop6h 20m
Porter Airlines
Sat 8/1510:35 am
YUL
-
IAD
1 stop4h 35m
Porter Airlines
Deal found 6/14$318
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/233:55 pm
IAD
-
YUL
1 stop6h 15m
Porter Airlines
Thu 7/306:30 am
YUL
-
IAD
1 stop3h 55m
Porter Airlines
Deal found 6/15$319
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/263:55 pm
IAD
-
YUL
1 stop4h 15m
Porter Airlines
Thu 7/3010:35 am
YUL
-
IAD
1 stop4h 36m
Porter Airlines
Deal found 6/14$320
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 9/23:50 pm
IAD
-
YUL
1 stop4h 20m
Porter Airlines
Tue 9/810:35 am
YUL
-
IAD
1 stop4h 35m
Porter Airlines
Deal found 6/15$321
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
DCA
-
YUL
Nonstop1h 47m
Air Canada
Wed 7/86:00 pm
YUL
-
DCA
1 stop4h 31m
Air Canada
Deal found 6/14$321

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 June 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$308
(Kiwi.com)

One-way from

$155
(Booking.com)

Popular in

June

Cheapest in

January

Average price

$479

Good round-trip deal

$419 or less

Good one-way deal

$236 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. 7% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 18, 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

Tue 9/8

5:40 pm-7:45 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 9/11

1:05 pm-3:00 pm

Nonstop1h 55m

$360

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 7/27

12:44 pm-2:40 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 8/1

2:20 pm-4:19 pm

Nonstop1h 59m

$375

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Mon 9/14

10:27 am-4:10 pm

1 stop5h 43m

Montreal Pierre Elliott Trudeau Intl

Fri 9/18

8:40 am-12:00 pm

1 stop3h 20m

$375

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 7/13

3:55 pm-10:10 pm

1 stop6h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 7/15

6:30 am-10:25 am

1 stop3h 55m

$385

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 10/6

1:45 pm-11:51 pm

1 stop10h 06m

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

9:28 am-4:24 pm

1 stop6h 56m

$385

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 11/2

12:00 pm-11:10 pm

2 stops11h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

9:28 am-9:12 pm

2 stops11h 44m

$400

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 9/1

6:15 am-1:09 pm

1 stop6h 54m

Montreal Pierre Elliott Trudeau Intl

Tue 9/1

3:25 pm-9:28 pm

1 stop6h 03m

$400

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 8/14

1:45 pm-11:52 pm

1 stop10h 07m

Montreal Pierre Elliott Trudeau Intl

Tue 8/18

12:44 pm-10:44 pm

1 stop10h 00m

$400

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 8/18

5:40 pm-7:45 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 8/29

9:15 am-11:13 am

Nonstop1h 58m

$407

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 8/25

6:00 am-1:39 pm

2 stops7h 39m

Montreal Pierre Elliott Trudeau Intl

Fri 8/28

12:44 pm-10:44 pm

1 stop10h 00m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 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
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

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 $738). 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 June 18, 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 26% on your trip compared to booking a flight at noon.

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 June 18, 2026.

The most flights from WAS to YMQ are scheduled on a Tuesday (19 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip 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 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?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Montreal. Price data was last updated on June 13, 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.

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 June 18, 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
438 reviews

Overall

8.0

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews

Overall

8.0

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,857 reviews
Porter Airlines
8.0
Very good
438 reviews

Overall

8.0

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,209 reviews
Porter Airlines
8.0
Very good
438 reviews

Overall

8.0

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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, Porter Airlines, and Delta fly from Washington, D.C. to Montreal in about 1h 56m. The time it takes to get you to your destination can typically vary by up to 8h 10m. 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 $113 on this airline. Additional options worth looking into are Porter Airlines and United Airlines, starting at $115 and $188 round-trip. Air Canada is currently priced 72% below the average price you’ll pay for this route.

  • 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 (93%), Republic Airways (93%) and Copa Airlines (91%).

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

    Looking at all options, your cheapest flight can be booked for $177. While the most popular route (Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl) can be booked for $341 on average, our data indicates $1,395 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 $738). 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
Reagan-National to Québec City flights
Dulles Intl to Ottawa flights
Reagan-National to Ottawa 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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$113Average$386FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$115Average$291FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$188Average$501FlexibilityNo cancel feeOn-time69%
DeltaCheapest$301Average$745FlexibilityNo 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.