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

Airlines like Delta, Porter Airlines, and United Airlines fly from Washington, D.C. to Montreal in about 1h 48m. The time it takes to get you to your destination can typically vary by up to 4h 59m. 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 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. 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 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. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $313 on average, our data indicates $2,310 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.

$151+ Cheap Flights from Washington, D.C. to Montreal

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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 Friday or Thursday 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 September 5, 2026.

Thu 10/223:50 pm -

1 stop5h 22m

Sat 10/246:30 am -

1 stop4h 15m

Deal found 8/31

$329

Mon 9/143:50 pm -

1 stop5h 22m

Thu 9/246:30 am -

1 stop4h 15m

Deal found 9/1

$332

Thu 9/1712:55 pm -

1 stop5h 53m

Mon 9/218:40 am -

1 stop3h 34m

Deal found 9/1

$336

Thu 10/13:50 pm -

1 stop5h 22m

Thu 10/81:05 pm -

Nonstop1h 55m

Deal found 9/1

$337

Sat 9/1911:25 am -

1 stop6h 47m

Tue 9/226:30 am -

1 stop4h 15m

Deal found 9/3

$338

Thu 9/243:50 pm -

1 stop5h 22m

Tue 9/296:30 am -

1 stop4h 15m

Deal found 9/3

$339

Sun 11/112:55 pm -

1 stop5h 48m

Wed 11/48:30 am -

Nonstop1h 59m

Deal found 9/1

$339

Fri 10/29:55 am -

2 stops8h 43m

Thu 10/86:30 am -

1 stop4h 15m

Deal found 9/2

$340

Sat 10/33:45 pm -

Nonstop1h 38m

Mon 10/510:30 am -

1 stop6h 12m

Deal found 9/2

$341

Sat 10/1711:25 am -

1 stop6h 47m

Thu 10/229:00 am -

1 stop6h 10m

Deal found 9/4

$342

Sat 10/34:00 pm -

1 stop4h 21m

Mon 10/56:30 am -

1 stop4h 15m

Deal found 9/2

$343

Thu 9/243:50 pm -

1 stop5h 22m

Sat 9/266:30 am -

1 stop4h 15m

Deal found 8/31

$344

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 September 5, 2026.

Sun 9/206:10 am -

1 stop5h 48m

Wed 9/237:00 am -

1 stop7h 11m

Deal found 9/3

$394

Sat 9/2611:25 am -

1 stop6h 47m

Tue 9/296:30 am -

1 stop4h 15m

Deal found 9/4

$397

Sat 10/312:43 pm -

Nonstop1h 57m

Mon 10/51:05 pm -

Nonstop1h 55m

Deal found 9/2

$409

Thu 10/291:19 pm -

Nonstop1h 57m

Sun 11/19:15 am -

Nonstop2h 13m

Deal found 8/31

$418

Thu 12/33:00 pm -

1 stop8h 58m

Sat 12/57:00 am -

1 stop9h 29m

Deal found 9/1

$394

Thu 9/176:15 am -

1 stop6h 54m

Thu 9/175:05 pm -

Nonstop1h 55m

Deal found 9/1

$432

Mon 10/125:40 pm -

Nonstop2h 05m

Mon 10/196:00 am -

1 stop5h 25m

Deal found 8/31

$433

Fri 10/28:08 am -

1 stop9h 28m

Sun 10/46:00 am -

1 stop4h 21m

Deal found 9/2

$394

Wed 9/1612:43 pm -

Nonstop1h 57m

Sun 9/206:10 am -

1 stop5h 39m

Deal found 9/2

$433

Sat 9/265:15 pm -

1 stop6h 12m

Mon 10/56:47 pm -

1 stop5h 54m

Deal found 9/1

$394

Mon 10/58:25 am -

1 stop4h 44m

Tue 10/62:30 pm -

1 stop5h 29m

Deal found 8/31

$441

Wed 11/189:05 am -

1 stop4h 23m

Mon 11/231:10 pm -

1 stop6h 48m

Deal found 8/31

$441

Tue 11/1011:25 am -

1 stop4h 33m

Thu 11/126:00 am -

1 stop4h 45m

Deal found 9/4

$415

Thu 9/176:00 am -

Nonstop1h 48m

Mon 9/218:00 pm -

Nonstop1h 50m

Deal found 9/1

$482

Fri 11/136:00 am -

1 stop5h 37m

Sun 11/156:00 am -

1 stop5h 29m

Deal found 9/5

$415

Thu 10/228:33 am -

1 stop4h 36m

Sun 10/253:00 pm -

1 stop7h 25m

Deal found 8/31

$483

Tue 10/202:00 pm -

1 stop9h 54m

Tue 10/277:00 am -

1 stop7h 57m

Deal found 9/4

$440

Sat 9/1210:27 am -

1 stop5h 43m

Sat 9/198:00 pm -

Nonstop1h 50m

Deal found 8/31

$549

Fri 10/167:10 pm -

1 stop15h 30m

Tue 10/209:45 am -

1 stop13h 14m

Deal found 8/31

$572

Thu 9/248:00 am -

1 stop9h 36m

Wed 9/3012:44 pm -

1 stop5h 44m

Deal found 9/4

$483

Thu 9/249:00 am -

1 stop8h 36m

Tue 9/296:00 am -

1 stop5h 35m

Deal found 9/4

$483

Sat 9/196:26 pm -

1 stop5h 01m

Mon 9/2112:44 pm -

1 stop9h 56m

Deal found 9/5

$483

Wed 9/168:00 am -

1 stop9h 36m

Sun 9/207:00 am -

1 stop5h 47m

Deal found 9/1

$494

Tue 10/204:45 pm -

1 stop7h 09m

Fri 10/237:00 am -

1 stop10h 27m

Deal found 9/3

$503

Mon 10/55:40 pm -

1 stop5h 47m

Sat 10/105:10 pm -

1 stop4h 25m

Deal found 9/2

$503

Sun 10/119:50 am -

1 stop6h 25m

Tue 10/207:00 am -

1 stop8h 38m

Deal found 9/2

$503

Tue 10/65:36 pm -

1 stop5h 49m

Tue 10/136:50 pm -

1 stop6h 01m

Deal found 9/2

$503

Fri 10/236:10 am -

1 stop5h 47m

Thu 1/144:55 pm -

1 stop6h 00m

Deal found 9/4

$525

Sat 9/195:10 pm -

1 stop6h 40m

Tue 10/207:00 am -

1 stop10h 27m

Deal found 9/4

$537

Wed 9/168:55 pm -

1 stop11h 40m

Wed 9/232:25 pm -

1 stop8h 22m

Deal found 9/3

$537

Last-minute flights from Washington, D.C. to Montreal
Discover last-minute flight deals from Washington, D.C. to Montreal. Data last updated September 5, 2026 and is based on user searches.

Sat 9/126:13 pm -

2 stops30h 12m

Tue 9/296:30 am -

1 stop4h 15m

Deal found 8/31

$387

Mon 9/143:50 pm -

1 stop5h 22m

Thu 9/246:30 am -

1 stop4h 15m

Deal found 9/1

$332

Tue 9/159:45 am -

Nonstop1h 38m

Wed 10/71:05 pm -

Nonstop1h 55m

Deal found 9/1

$368

Tue 9/154:20 pm -

Nonstop1h 53m

Wed 10/71:50 pm -

Nonstop1h 50m

Deal found 9/1

$368

Tue 9/156:15 am -

1 stop6h 54m

Tue 9/155:05 pm -

Nonstop1h 55m

Deal found 9/1

$373

Tue 9/156:00 am -

1 stop10h 10m

Tue 9/158:00 pm -

Nonstop1h 50m

Deal found 9/1

$373

Tue 9/1511:25 am -

1 stop6h 47m

Tue 10/66:30 am -

1 stop4h 15m

Deal found 9/1

$376

Tue 9/1512:55 pm -

1 stop5h 43m

Wed 9/168:40 am -

1 stop3h 34m

Deal found 9/1

$379

Tue 9/156:00 am -

1 stop5h 36m

Wed 10/76:50 pm -

1 stop5h 52m

Deal found 9/1

$394

Tue 9/156:15 am -

1 stop6h 54m

Tue 9/154:55 pm -

1 stop7h 49m

Deal found 9/1

$413

Tue 9/155:40 pm -

Nonstop2h 05m

Fri 9/181:05 pm -

Nonstop1h 55m

Deal found 8/31

$418

Tue 9/154:20 pm -

Nonstop1h 53m

Fri 9/188:00 pm -

Nonstop1h 50m

Deal found 8/31

$418

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 September 5, 2026.

Sun 11/2211:20 am -

1 stop4h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$151

Mon 9/216:00 am -

Nonstop1h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$151

Sun 9/2011:25 am -

1 stop6h 47m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$152

Thu 9/243:50 pm -

1 stop5h 22m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$153

Sun 10/113:50 pm -

1 stop5h 22m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 8/31

$154

Sat 9/196:55 pm -

1 stop4h 26m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/4

$154

Mon 9/214:00 pm -

1 stop5h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$155

Fri 10/164:00 pm -

1 stop5h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/1

$156

Tue 9/159:45 am -

Nonstop1h 38m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/1

$157

Tue 9/154:20 pm -

Nonstop1h 53m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/1

$157

Mon 10/129:45 am -

Nonstop1h 38m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$158

Fri 10/166:00 am -

Nonstop1h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/2

$158

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$329 (Trip.com)
One-way from	$151 (FlightHub)
Popular in	July
Cheapest in	January
Average price	$459
Good round-trip deal	$398 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. 8% potential increase in price ($42 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 September 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

Mon 10/12

11:25 am-6:12 pm

1 stop6h 47m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$152

Quickest round-trip

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Wed 10/14

3:45 pm-5:25 pm

Nonstop1h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$158

Washington, D.C.Montreal

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

DCAYUL

Washington, D.C. Reagan-National

Sun 10/11

6:00 am-7:48 am

Nonstop1h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$158

Washington, D.C.Montreal

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

DCAYUL

Washington, D.C. Reagan-National

Fri 11/13

4:00 pm-5:50 pm

Nonstop1h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$158

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

8:13 am-5:38 pm

1 stop9h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$168

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Thu 9/17

8:08 am-5:36 pm

1 stop9h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$168

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

8:13 am-5:38 pm

1 stop9h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$168

Washington, D.C.Montreal

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

DCAYUL

Washington, D.C. Reagan-National

Sat 9/19

7:00 am-1:36 pm

1 stop6h 36m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$168

Washington, D.C.Montreal

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

DCAYUL

Washington, D.C. Reagan-National

Tue 9/15

9:00 am-5:36 pm

1 stop8h 36m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$168

Washington, D.C.Montreal

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

DCAYUL

Washington, D.C. Reagan-National

Mon 9/21

7:25 pm-11:27 pm

1 stop4h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/5

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 September.

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

DCA-YUL

BWI-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

DCA-YUL

BWI-YUL

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 $361). Flying from Washington, D.C. to Montreal in December is currently the most expensive (average of $476). 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 29% 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 Tuesday, which is when the least amount of flights are scheduled (8 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 $377 and $533 in October.
The cheapest round-trip price found within the last 5 days was $329 on Porter Airlines (Oct 22-Oct 24).

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

458 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

458 reviews

Porter Airlines

8.0

Very good

458 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

10,172 reviews

Porter Airlines

8.0

Very good

458 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

11,586 reviews

Porter Airlines

8.0

Very good

458 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 Delta, Porter Airlines, and United Airlines fly from Washington, D.C. to Montreal in about 1h 48m. The time it takes to get you to your destination can typically vary by up to 4h 59m. 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 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. 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 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. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $313 on average, our data indicates $2,310 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 $361). Flying from Washington, D.C. to Montreal in December is currently the most expensive (average of $476). 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$404	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$212	Average$521	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$310	Average$845	FlexibilityNo cancel fee	On-timeN/A

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$151+ Cheap flights from Washington, D.C. (WAS) to Montreal (YMQ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/22. 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 September 5, 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 September 5, 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 September 5, 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 September 5, 2026.

Last-minute flights from Washington, D.C. to MontrealDiscover last-minute flight deals from Washington, D.C. to Montreal. Data last updated September 5, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Montreal. Data last updated September 5, 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 September 5, 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 September 5, 2026.

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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 September.

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 September 5, 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 29% 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 Tuesday, which is when the least amount of flights are scheduled (8 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 $377 and $533 in October.The cheapest round-trip price found within the last 5 days was $329 on Porter Airlines (Oct 22-Oct 24).

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 September 5, 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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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 September 5, 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 September 5, 2026.

Last-minute flights from Washington, D.C. to Montreal
Discover last-minute flight deals from Washington, D.C. to Montreal. Data last updated September 5, 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 September 5, 2026.

Washington, D.C. to Montreal flights typically cost between $377 and $533 in October.
The cheapest round-trip price found within the last 5 days was $329 on Porter Airlines (Oct 22-Oct 24).