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 6h 19m. The time it takes to get you to your destination can typically vary by up to 1h 22m. 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 $135 on this airline. Additional options worth looking into are United Airlines and Porter Airlines, starting at $223 and $253 round-trip. Air Canada is currently priced 65% 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 $137. While the most popular route (Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl) can be booked for $283 on average, our data indicates $996 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 Republic Airways (86%), United Airlines (85%) and Jazz (80%).

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

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

What is the cheapest day to fly round-trip from Washington, D.C. to Montreal?

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 28% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Washington, D.C. to Montreal?

Users have found that booking a flight from Washington, D.C. to Montreal at least 50 days early can save you up to 128% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from Washington, D.C. to Montreal for as little as $391 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $667 for flights departing within the next 3 days.

What is the cheapest month to fly from Washington, D.C. to Montreal?

Flights from Washington, D.C. to Montreal lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. to Montreal in March, with the cheapest ticket starting at $143.

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.

$126+ Flights from Washington, D.C. to Montreal

Q: 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 $322 and $501 in September. The cheapest round-trip price found within the last 3 days was $276 on Porter Airlines (Sep 23-Sep 30).

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Cheapflights Tip: The best prices from Washington, D.C. to Montreal are usually found in March or February, booked 76 days in advance, depart on a Thursday or Friday and return on a Thursday

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

Round-trip from	$276 (Trip.com)
One-way from	$126 (Kiwi.com)
Popular in	December
Cheapest in	March
Average price	$380
Good round-trip deal	$395 or less
Good one-way deal	$185 or less

From Washington, D.C. (WAS) to Montreal (YMQ)

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One-way flight from Washington, D.C. (WAS) to Montreal (YMQ)

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Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Montreal (YMQ).

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Price to beat on a one-way flight from Washington, D.C. (WAS) to Montreal (YMQ).

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Find 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 September 11, 2025.

Fri 10/248:40 pmDCA - YUL

1 stop5h 10mAir Canada

Fri 10/312:00 pmYUL - DCA

Nonstop1h 56mAir Canada

Deal found 9/9

$269

Sat 10/411:00 amDCA - YUL

1 stop6h 20mAir Canada

Sat 10/48:00 pmYUL - DCA

Nonstop1h 51mAir Canada

Deal found 9/9

$271

Tue 9/234:20 pmIAD - YUL

1 stop5h 55mPorter Airlines

Tue 9/3010:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Deal found 9/10

$276

Fri 10/174:20 pmIAD - YUL

1 stop5h 55mPorter Airlines

Mon 10/208:55 amYUL - IAD

1 stop6h 11mPorter Airlines

Deal found 9/9

$277

Sat 10/254:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Tue 10/286:45 amYUL - IAD

1 stop3h 39mPorter Airlines

Deal found 9/9

$278

Sun 10/54:20 pmIAD - YUL

1 stop5h 55mPorter Airlines

Thu 10/910:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Deal found 9/9

$281

Sat 10/254:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Sat 11/18:55 amYUL - IAD

1 stop3h 34mPorter Airlines

Deal found 9/10

$282

Thu 10/3011:40 amIAD - YUL

1 stop6h 05mMultiple Airlines

Mon 11/37:00 pmYUL - IAD

Nonstop1h 54mMultiple Airlines

Deal found 9/11

$283

Sat 10/259:35 amIAD - YUL

Nonstop1h 53mAir Canada

Sat 11/17:00 pmYUL - IAD

Nonstop1h 54mAir Canada

Deal found 9/10

$284

Thu 10/309:45 amIAD - YUL

Nonstop1h 53mAir Canada

Mon 11/37:00 pmYUL - IAD

Nonstop1h 54mAir Canada

Deal found 9/11

$285

Thu 9/2511:35 amIAD - YUL

1 stop4h 25mPorter Airlines

Mon 9/2910:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Deal found 9/10

$286

Sat 10/254:35 pmDCA - YUL

Nonstop1h 50mAir Canada

Sat 11/18:00 pmYUL - DCA

Nonstop1h 56mAir Canada

Deal found 9/10

$286

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 11, 2025.

Fri 11/2112:55 pmDCA - YUL

1 stop6h 19mAir Canada

Sun 11/238:00 pmYUL - DCA

Nonstop1h 56mAir Canada

Deal found 9/8

$298

Sat 12/66:00 amIAD - YUL

2 stops10h 25mMultiple Airlines

Fri 12/126:45 amYUL - IAD

1 stop3h 39mMultiple Airlines

Deal found 9/9

$327

Sat 10/253:33 pmIAD - YUL

2 stops7h 41mDelta

Tue 10/287:00 amYUL - IAD

1 stop9h 57mDelta

Deal found 9/8

$328

Thu 11/208:45 amIAD - YUL

1 stop4h 43mUnited Airlines

Mon 11/249:15 amYUL - IAD

Nonstop2h 08mUnited Airlines

Deal found 9/11

$337

Thu 9/2512:17 pmBWI - YUL

1 stop24h 21mSun Country Air

Sun 9/289:45 amYUL - BWI

1 stop25h 35mSun Country Air

Deal found 9/9

$404

Thu 11/206:00 amIAD - YUL

1 stop5h 40mDelta

Mon 11/246:00 amYUL - IAD

2 stops11h 04mDelta

Deal found 9/9

$328

Thu 10/308:45 amIAD - YUL

1 stop4h 43mMultiple Airlines

Tue 11/47:00 pmYUL - IAD

Nonstop1h 54mMultiple Airlines

Deal found 9/10

$337

Thu 10/26:00 amIAD - YUL

1 stop5h 34mDelta

Sat 10/46:00 amYUL - IAD

2 stops12h 39mDelta

Deal found 9/9

$328

Fri 10/318:45 amIAD - YUL

1 stop4h 43mMultiple Airlines

Sun 11/27:00 pmYUL - IAD

Nonstop1h 54mMultiple Airlines

Deal found 9/11

$337

Thu 11/612:42 pmDCA - YUL

2 stops11h 06mDelta

Mon 11/1012:45 pmYUL - DCA

1 stop8h 58mDelta

Deal found 9/9

$328

Thu 10/3010:35 pmIAD - YUL

1 stop15h 25mMultiple Airlines

Mon 11/37:00 pmYUL - IAD

Nonstop1h 54mMultiple Airlines

Deal found 9/10

$337

Sat 10/253:05 pmDCA - YUL

2 stops8h 43mDelta

Tue 10/287:00 amYUL - DCA

1 stop10h 48mDelta

Deal found 9/8

$328

Last-minute flights from Washington, D.C. to Montreal
Discover last-minute flight deals from Washington, D.C. to Montreal. Data last updated September 11, 2025 and is based on user searches.

Wed 9/178:52 pmBWI - YUL

1 stop17h 28mMultiple Airlines

Sat 9/206:45 amYUL - BWI

1 stop13h 59mMultiple Airlines

Deal found 9/9

$344

Tue 9/234:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Sat 9/2710:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Deal found 9/10

$276

Thu 9/2511:35 amIAD - YUL

1 stop4h 25mPorter Airlines

Mon 9/2910:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Deal found 9/10

$286

Fri 9/264:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Mon 9/298:55 amYUL - IAD

1 stop6h 11mPorter Airlines

Deal found 9/11

$289

Sun 10/54:20 pmIAD - YUL

1 stop5h 55mPorter Airlines

Thu 10/910:45 amYUL - IAD

1 stop4h 21mPorter Airlines

Deal found 9/9

$281

Thu 10/1611:35 amIAD - YUL

1 stop4h 25mMultiple Airlines

Sun 10/196:45 amYUL - IAD

1 stop27h 31mMultiple Airlines

Deal found 9/9

$290

Fri 10/174:20 pmIAD - YUL

1 stop5h 55mPorter Airlines

Mon 10/208:55 amYUL - IAD

1 stop6h 11mPorter Airlines

Deal found 9/9

$277

Sat 10/254:20 pmIAD - YUL

1 stop3h 50mPorter Airlines

Tue 10/286:45 amYUL - IAD

1 stop3h 39mPorter Airlines

Deal found 9/9

$278

Sat 10/254:20 pmIAD - YUL

1 stop3h 50mMultiple Airlines

Sat 11/17:00 pmYUL - IAD

Nonstop1h 54mMultiple Airlines

Deal found 9/10

$282

Sat 10/259:35 amIAD - YUL

Nonstop1h 53mAir Canada

Sat 11/17:00 pmYUL - IAD

Nonstop1h 54mAir Canada

Deal found 9/10

$284

Thu 10/3011:40 amIAD - YUL

1 stop6h 05mMultiple Airlines

Mon 11/37:00 pmYUL - IAD

Nonstop1h 54mMultiple Airlines

Deal found 9/11

$283

Thu 10/309:45 amIAD - YUL

Nonstop1h 53mAir Canada

Mon 11/37:00 pmYUL - IAD

Nonstop1h 54mAir Canada

Deal found 9/11

$285

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 11, 2025.

Wed 12/102:30 pmBWI - YUL

1 stop25h 58mMultiple Airlines

Deal found 9/10

$126

Fri 11/286:00 amIAD - YUL

1 stop5h 40mDelta

Deal found 9/9

$130

Fri 11/286:00 amDCA - YUL

1 stop5h 40mDelta

Deal found 9/9

$130

Fri 11/289:45 amIAD - YUL

Nonstop1h 45mAir Canada

Deal found 9/9

$131

Fri 11/284:10 pmDCA - YUL

Nonstop1h 45mAir Canada

Deal found 9/9

$131

Wed 10/14:24 pmBWI - YUL

1 stop21h 56mMultiple Airlines

Deal found 9/9

$132

Wed 9/2410:07 amIAD - YUL

2 stops11h 50mDelta

Deal found 9/9

$135

Thu 11/66:50 pmBWI - YUL

2 stops29h 53mMultiple Airlines

Deal found 9/8

$135

Tue 10/74:03 pmDCA - YUL

2 stops7h 11mDelta

Deal found 9/8

$135

Sun 9/289:35 amIAD - YUL

Nonstop1h 53mAir Canada

Deal found 9/10

$137

Tue 10/146:59 amDCA - YUL

1 stop5h 21mAir Canada

Deal found 9/9

$137

Sun 10/196:59 amDCA - YUL

1 stop5h 21mAir Canada

Deal found 9/10

$138

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

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 11/21

12:55 pm-7:14 pm

1 stop6h 19m

Montreal Pierre Elliott Trudeau Intl

Sun 11/23

8:00 pm-9:56 pm

Nonstop1h 56m

$298

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 12/6

6:00 am-4:25 pm

2 stops10h 25m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

6:45 am-10:24 am

1 stop3h 39m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 10/25

3:33 pm-11:14 pm

2 stops7h 41m

Montreal Pierre Elliott Trudeau Intl

Tue 10/28

7:00 am-4:57 pm

1 stop9h 57m

$328

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 11/20

6:00 am-11:40 am

1 stop5h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 11/24

6:00 am-5:04 pm

2 stops11h 04m

$328

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 10/2

6:00 am-11:34 am

1 stop5h 34m

Montreal Pierre Elliott Trudeau Intl

Sat 10/4

6:00 am-6:39 pm

2 stops12h 39m

$328

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 11/6

12:42 pm-11:48 pm

2 stops11h 06m

Montreal Pierre Elliott Trudeau Intl

Mon 11/10

12:45 pm-9:43 pm

1 stop8h 58m

$328

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 10/25

3:05 pm-11:48 pm

2 stops8h 43m

Montreal Pierre Elliott Trudeau Intl

Tue 10/28

7:00 am-5:48 pm

1 stop10h 48m

$328

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 9/23

6:00 am-11:34 am

1 stop5h 34m

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

6:00 am-2:25 pm

2 stops8h 25m

$328

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 9/24

12:00 pm-11:18 pm

1 stop11h 18m

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

7:00 am-4:35 pm

2 stops9h 35m

$328

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 11/20

8:45 am-1:28 pm

1 stop4h 43m

Montreal Pierre Elliott Trudeau Intl

Mon 11/24

9:15 am-11:23 am

Nonstop2h 08m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results

...

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 76 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 $270). Flying from Washington, D.C. to Montreal in July is currently the most expensive (average of $409). 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 at noon. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the afternoon.

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 Thursday evenings when fares are most often at their lowest. Monday 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

The most flights from WAS to YMQ are scheduled on a Wednesday (16 on average). You will have fewer flight options on Tuesday, 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

Read reviews from past customers who have flown Delta, Porter Airlines, and United Airlines 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.

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,960 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Porter Airlines

7.9

Good

363 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,937 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.1

Good

10,000 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 6h 19m. The time it takes to get you to your destination can typically vary by up to 1h 22m. 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 $135 on this airline. Additional options worth looking into are United Airlines and Porter Airlines, starting at $223 and $253 round-trip. Air Canada is currently priced 65% 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 Republic Airways (86%), United Airlines (85%) and Jazz (80%).
What are the cheapest flights from Washington, D.C. to Montreal?
Looking at all options, your cheapest flight can be booked for $137. While the most popular route (Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl) can be booked for $283 on average, our data indicates $996 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 $270). Flying from Washington, D.C. to Montreal in July is currently the most expensive (average of $409). 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

Top 5 airlines flying from Washington, D.C. to Montreal

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$135	Average$367	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$212	Average$446	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$223	Average$495	FlexibilityNo cancel fee	On-time69%
Porter Airlines	Cheapest$253	Average$348	FlexibilityNo cancel fee	On-time52%
WestJet	Cheapest$346	Average$557	FlexibilityNo cancel fee	On-time60%

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$126+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Montreal with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. to Montreal are usually found in March or February, booked 76 days in advance, depart on a Thursday or Friday and return on a Thursday

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find 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 11, 2025.

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 11, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Montreal

How far ahead should I book a flight from Washington, D.C. to Montreal?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Montreal. Price data was last updated on August 29, 2025.

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 11, 2025.

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 December 16, 2024.

Weekly flight availability from Washington, D.C. to Montreal

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Reviews of airlines servicing Montreal

Read reviews from past customers who have flown Delta, Porter Airlines, and United Airlines 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

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?

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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?

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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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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 11, 2025.