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

Airlines like United Airlines and Delta fly from Washington, D.C. to Montreal in about 2h 05m. The time it takes to get you to your destination can typically vary by up to 3h 45m. 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 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 $137 and $212 round-trip. Porter Airlines is currently priced 73% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in Montreal ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Montreal when rainfall is around 2.5 in.

If weather is an important factor for your trip to Montreal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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 cheapest flights from Washington, D.C. to Montreal?

Looking at all options, your cheapest flight can be booked for $149. While the most popular route (Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl) can be booked for $390 on average, our data indicates $2,322 when flying 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 Sun Country Air (100%), Republic Airways (83%) and Avianca (78%).

What are the most popular airlines that fly from Washington, D.C. to Montreal?

Air Canada, United Airlines and Porter Airlines are the most popular airlines when flying from Washington, D.C. to Montreal.

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.

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.

$155+ Cheap Flights from Washington, D.C. to Montreal

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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

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Cheapflights Tip: The best prices from Washington, D.C. to Montreal are usually found in January or February, booked 24 days in advance, depart on a Thursday or Friday and return on a Friday

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

Cheapest

Best

Last-minute

One-way

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 August 23, 2026.

Fri 9/113:50 pm -

1 stop5h 22m

Fri 9/186:30 am -

1 stop4h 15m

Deal found 8/21

$321

Thu 10/153:50 pm -

1 stop5h 22m

Mon 10/199:00 am -

1 stop6h 10m

Deal found 8/19

$322

Thu 9/243:50 pm -

1 stop5h 22m

Mon 9/286:30 am -

1 stop4h 15m

Deal found 8/21

$323

Sat 9/1211:25 am -

1 stop6h 47m

Sat 10/36:30 am -

1 stop4h 15m

Deal found 8/19

$325

Sat 9/1911:25 am -

1 stop6h 47m

Sat 9/266:30 am -

1 stop4h 15m

Deal found 8/22

$327

Thu 9/243:50 pm -

1 stop5h 22m

Fri 9/256:30 am -

1 stop4h 15m

Deal found 8/18

$328

Thu 10/111:25 am -

1 stop6h 47m

Tue 10/66:30 am -

1 stop4h 15m

Deal found 8/22

$329

Mon 10/53:50 pm -

1 stop5h 22m

Tue 10/66:30 am -

1 stop4h 15m

Deal found 8/19

$330

Fri 9/183:50 pm -

1 stop5h 22m

Sun 9/2010:35 am -

1 stop4h 35m

Deal found 8/18

$331

Fri 9/253:50 pm -

1 stop5h 22m

Mon 9/286:30 am -

1 stop4h 15m

Deal found 8/19

$332

Wed 9/23:50 pm -

1 stop6h 22m

Fri 9/116:30 am -

1 stop4h 15m

Deal found 8/18

$333

Wed 12/166:55 pm -

1 stop4h 30m

Thu 12/178:30 am -

Nonstop1h 59m

Deal found 8/18

$335

Best flights from Washington, D.C. to Montreal
Discover carefully curated flight deals from Washington, D.C. to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Tue 10/205:40 pm -

Nonstop2h 05m

Fri 10/232:20 pm -

Nonstop1h 58m

Deal found 8/18

$418

Thu 10/2212:43 pm -

Nonstop1h 57m

Mon 10/266:25 pm -

Nonstop1h 58m

Deal found 8/22

$418

Fri 10/305:35 pm -

1 stop5h 50m

Mon 11/27:00 am -

1 stop10h 26m

Deal found 8/20

$443

Wed 9/95:40 pm -

Nonstop2h 05m

Sat 9/129:15 am -

Nonstop1h 58m

Deal found 8/22

$418

Sat 10/310:40 am -

1 stop5h 30m

Tue 10/61:50 pm -

Nonstop1h 50m

Deal found 8/22

$428

Wed 11/116:30 pm -

1 stop5h 28m

Sun 11/156:00 am -

1 stop5h 31m

Deal found 8/21

$465

Sat 9/510:27 pm -

1 stop12h 13m

Thu 9/172:20 pm -

Nonstop1h 58m

Deal found 8/18

$428

Sun 9/65:40 pm -

Nonstop2h 05m

Tue 9/83:00 pm -

1 stop5h 25m

Deal found 8/19

$432

Tue 9/82:59 pm -

1 stop7h 07m

Thu 9/108:40 am -

1 stop3h 34m

Deal found 8/22

$433

Mon 9/74:00 pm -

1 stop7h 52m

Sat 9/129:30 am -

1 stop6h 52m

Deal found 8/22

$487

Wed 10/78:33 am -

1 stop4h 36m

Thu 10/811:23 am -

1 stop5h 00m

Deal found 8/20

$443

Tue 9/82:00 pm -

1 stop7h 26m

Sat 9/196:00 am -

1 stop3h 44m

Deal found 8/21

$443

Thu 11/59:05 am -

1 stop4h 23m

Sun 11/88:30 am -

Nonstop1h 59m

Deal found 8/18

$507

Tue 10/204:20 pm -

Nonstop1h 53m

Fri 10/238:00 pm -

Nonstop1h 50m

Deal found 8/21

$472

Fri 10/165:36 pm -

1 stop5h 49m

Mon 10/196:50 pm -

1 stop6h 01m

Deal found 8/19

$572

Fri 10/25:00 pm -

1 stop6h 50m

Mon 10/57:00 am -

1 stop10h 26m

Deal found 8/19

$572

Thu 11/128:30 am -

1 stop5h 30m

Tue 11/174:40 pm -

1 stop5h 58m

Deal found 8/19

$521

Sun 9/275:50 pm -

1 stop4h 16m

Tue 10/69:15 am -

Nonstop1h 58m

Deal found 8/21

$484

Tue 10/62:11 pm -

1 stop9h 43m

Sat 10/105:10 pm -

1 stop4h 25m

Deal found 8/18

$572

Fri 9/115:45 pm -

1 stop4h 21m

Mon 9/142:20 pm -

Nonstop1h 58m

Deal found 8/22

$487

Tue 10/204:45 pm -

1 stop7h 09m

Fri 10/237:00 am -

1 stop10h 27m

Deal found 8/18

$572

Wed 9/168:35 am -

1 stop7h 35m

Sun 9/209:15 am -

Nonstop1h 58m

Deal found 8/22

$487

Wed 9/99:45 am -

Nonstop1h 38m

Sun 9/137:55 am -

1 stop15h 04m

Deal found 8/22

$488

Sat 9/55:36 pm -

1 stop5h 54m

Wed 9/167:00 am -

1 stop5h 56m

Deal found 8/18

$600

Mon 11/235:46 pm -

Nonstop2h 02m

Fri 11/272:13 pm -

Nonstop2h 13m

Deal found 8/19

$498

Wed 10/142:11 pm -

1 stop9h 43m

Mon 10/196:50 pm -

1 stop6h 01m

Deal found 8/18

$611

Wed 11/118:30 am -

1 stop5h 30m

Wed 11/183:00 pm -

1 stop6h 57m

Deal found 8/19

$523

Wed 10/76:10 am -

2 stops7h 27m

Thu 10/86:50 pm -

1 stop6h 01m

Deal found 8/22

$668

Thu 9/106:10 am -

2 stops12h 43m

Fri 9/257:00 am -

1 stop10h 26m

Deal found 8/19

$684

Sun 9/279:09 am -

1 stop8h 21m

Tue 10/66:10 am -

1 stop7h 48m

Deal found 8/21

$572

Last-minute flights from Washington, D.C. to Montreal
Discover last-minute flight deals from Washington, D.C. to Montreal. Data last updated August 23, 2026 and is based on user searches.

Wed 9/23:50 pm -

1 stop6h 22m

Fri 9/116:30 am -

1 stop4h 15m

Deal found 8/18

$333

Fri 9/113:50 pm -

1 stop5h 22m

Fri 9/186:30 am -

1 stop4h 15m

Deal found 8/21

$321

Sat 9/1211:25 am -

1 stop6h 47m

Sat 10/36:30 am -

1 stop4h 15m

Deal found 8/19

$325

Thu 9/173:50 pm -

1 stop5h 22m

Tue 9/226:30 am -

1 stop4h 15m

Deal found 8/19

$334

Fri 9/183:50 pm -

1 stop5h 22m

Sun 9/2010:35 am -

1 stop4h 35m

Deal found 8/18

$331

Sat 9/1911:25 am -

1 stop6h 47m

Sat 9/266:30 am -

1 stop4h 15m

Deal found 8/22

$327

Thu 9/243:50 pm -

1 stop5h 22m

Mon 9/286:30 am -

1 stop4h 15m

Deal found 8/21

$323

Thu 9/243:50 pm -

1 stop5h 22m

Fri 9/256:30 am -

1 stop4h 15m

Deal found 8/18

$328

Fri 9/253:50 pm -

1 stop5h 22m

Mon 9/286:30 am -

1 stop4h 15m

Deal found 8/19

$332

Fri 9/253:50 pm -

1 stop5h 22m

Tue 9/296:30 am -

1 stop4h 15m

Deal found 8/19

$336

Fri 9/2511:25 am -

1 stop6h 47m

Sat 9/266:30 am -

1 stop4h 15m

Deal found 8/22

$338

Tue 9/296:13 pm -

2 stops25h 19m

Thu 10/86:30 am -

1 stop4h 15m

Deal found 8/19

$335

One-way flights from Washington, D.C. to Montreal
Search for one-way flight options from Washington, D.C. to Montreal. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Tue 9/2211:25 am -

1 stop6h 47m

Deal found 8/19

$155

Tue 9/221:55 pm -

2 stops29h 37m

Deal found 8/23

$155

Wed 10/2811:20 am -

1 stop4h 40m

Deal found 8/21

$156

Tue 9/1511:25 am -

1 stop6h 47m

Deal found 8/19

$157

Wed 9/301:55 pm -

2 stops29h 37m

Deal found 8/21

$158

Sun 11/2211:20 am -

1 stop4h 40m

Deal found 8/23

$159

Tue 9/811:25 am -

1 stop6h 47m

Deal found 8/21

$160

Tue 9/226:13 pm -

2 stops25h 19m

Deal found 8/23

$161

Fri 10/23:50 pm -

1 stop5h 22m

Deal found 8/19

$164

Tue 10/1311:25 am -

1 stop6h 47m

Deal found 8/21

$165

Fri 9/1811:25 am -

1 stop13h 00m

Deal found 8/21

$166

Thu 10/299:55 am -

Nonstop1h 43m

Deal found 8/20

$167

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$321 (Justfly.com)
One-way from	$155 (Kiwi.com)
Popular in	July
Cheapest in	January
Average price	$441
Good round-trip deal	$415 or less
Good one-way deal	$182 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. 9% potential increase in price ($44 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 August 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

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

Tue 10/20

5:40 pm-7:45 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 10/23

2:20 pm-4:18 pm

Nonstop1h 58m

$418

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Thu 10/22

12:43 pm-2:40 pm

Nonstop1h 57m

Montreal Pierre Elliott Trudeau Intl

Mon 10/26

6:25 pm-8:23 pm

Nonstop1h 58m

$418

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Wed 9/9

5:40 pm-7:45 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 9/12

9:15 am-11:13 am

Nonstop1h 58m

$418

Washington, D.C.Montreal

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

DCAYUL

Washington, D.C. Reagan-National

Sat 10/3

10:40 am-4:10 pm

1 stop5h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 10/6

1:50 pm-3:40 pm

Nonstop1h 50m

$428

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Sat 9/5

10:27 pm-10:40 am

1 stop12h 13m

Montreal Pierre Elliott Trudeau Intl

Thu 9/17

2:20 pm-4:18 pm

Nonstop1h 58m

$428

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Sun 9/6

5:40 pm-7:45 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 9/8

3:00 pm-8:25 pm

1 stop5h 25m

$432

Washington, D.C.Montreal

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

DCAYUL

Washington, D.C. Reagan-National

Tue 9/8

2:59 pm-10:06 pm

1 stop7h 07m

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

8:40 am-12:14 pm

1 stop3h 34m

$433

Washington, D.C.Montreal

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

DCAYUL

Washington, D.C. Reagan-National

Fri 10/30

5:35 pm-11:25 pm

1 stop5h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 11/2

7:00 am-5:26 pm

1 stop10h 26m

$443

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Wed 10/7

8:33 am-1:09 pm

1 stop4h 36m

Montreal Pierre Elliott Trudeau Intl

Thu 10/8

11:23 am-4:23 pm

1 stop5h 00m

$443

Washington, D.C.Montreal

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

DCAYUL

Washington, D.C. Reagan-National

Tue 9/8

2:00 pm-9:26 pm

1 stop7h 26m

Montreal Pierre Elliott Trudeau Intl

Sat 9/19

6:00 am-9:44 am

1 stop3h 44m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/22

Showing 1-10 of 60 resultsSorted by cheapest first

...

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 August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust 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.

WAS-YMQ

IAD-YUL

BWI-YUL

DCA-YUL

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

WAS-YMQ

IAD-YUL

BWI-YUL

DCA-YUL

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Montreal (average of $363). Flying from Washington, D.C. to Montreal in December is currently the most expensive (average of $480). 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 23% 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 (18 on average). You will have fewer flight options on Wednesday, 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?

Airfare is below average for this route at the moment.

Washington, D.C. to Montreal flights typically cost between $375 and $528 in September.
The cheapest round-trip price found within the last 5 days was $321 on Porter Airlines (Sep 11-Sep 18).

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 54 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 Wednesday 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

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

457 reviews

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Porter Airlines

8.0

Very good

457 reviews

Porter Airlines

8.0

Very good

457 reviews

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

United Airlines

7.4

Good

10,114 reviews

Porter Airlines

8.0

Very good

457 reviews

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Air Canada

7.1

Good

11,524 reviews

Porter Airlines

8.0

Very good

457 reviews

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Related info for your journey

How long is the flight from Washington, D.C. to Montreal?
Airlines like United Airlines and Delta fly from Washington, D.C. to Montreal in about 2h 05m. The time it takes to get you to your destination can typically vary by up to 3h 45m. 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 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 $137 and $212 round-trip. Porter Airlines is currently priced 73% 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 Sun Country Air (100%), Republic Airways (83%) and Avianca (78%).
What are the cheapest flights from Washington, D.C. to Montreal?
Looking at all options, your cheapest flight can be booked for $149. While the most popular route (Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl) can be booked for $390 on average, our data indicates $2,322 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Montreal (average of $363). Flying from Washington, D.C. to Montreal in December is currently the most expensive (average of $480). 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.

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

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	Cheapest$115	Average$314	FlexibilityNo cancel fee	On-time52%
Air Canada	Cheapest$137	Average$401	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$212	Average$514	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$310	Average$882	FlexibilityNo cancel fee	On-timeN/A

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$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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.

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

Cheapest flights from Washington, D.C. to MontrealExplore 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 August 23, 2026.

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 August 23, 2026.

Best flights from Washington, D.C. to MontrealDiscover carefully curated flight deals from Washington, D.C. to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Discover carefully curated flight deals from Washington, D.C. to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Last-minute flights from Washington, D.C. to MontrealDiscover last-minute flight deals from Washington, D.C. to Montreal. Data last updated August 23, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Montreal. Data last updated August 23, 2026 and is based on user searches.

One-way flights from Washington, D.C. to MontrealSearch for one-way flight options from Washington, D.C. to Montreal. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Search for one-way flight options from Washington, D.C. to Montreal. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

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

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 August.

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.

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

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 August 23, 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 23% 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 (18 on average). You will have fewer flight options on Wednesday, 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?

Airfare is below average for this route at the moment.

Washington, D.C. to Montreal flights typically cost between $375 and $528 in September.The cheapest round-trip price found within the last 5 days was $321 on Porter Airlines (Sep 11-Sep 18).

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 54 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 August 22, 2026.

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

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.

Related info for your journey

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

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

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

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

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

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

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

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

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

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Alternative routes for Washington, D.C. to Montreal

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Other flights to Montreal

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Washington, D.C. and Montreal flights

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Other flights from Washington, D.C.

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

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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 August 23, 2026.

Best flights from Washington, D.C. to Montreal
Discover carefully curated flight deals from Washington, D.C. to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.

Last-minute flights from Washington, D.C. to Montreal
Discover last-minute flight deals from Washington, D.C. to Montreal. Data last updated August 23, 2026 and is based on user searches.

One-way flights from Washington, D.C. to Montreal
Search for one-way flight options from Washington, D.C. to Montreal. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.

Washington, D.C. to Montreal flights typically cost between $375 and $528 in September.
The cheapest round-trip price found within the last 5 days was $321 on Porter Airlines (Sep 11-Sep 18).