How long is the flight from Montreal to State of Washington?

Departing from Montreal to State of Washington will take you 15h. Montreal and State of Washington are separated by a distance of 3663 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

If weather is an important factor for your trip to State of Washington, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

What are the most popular routes from Montreal to State of Washington?

When deciding which route to take from Montreal to State of Washington consider Montreal Pierre Elliott Trudeau Intl - Portland, Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl or Montreal Pierre Elliott Trudeau Intl - Pasco Tri Cities as they are the most popular.

What are the most popular airlines that fly from Montreal to State of Washington?

When booking a flight from Montreal to State of Washington, you may want to consider flying on Air Canada, WestJet or United Airlines as they are the most popular for this route.

What is the cheapest time of day to fly from YMQ to WA?

When flying from Montreal to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Montreal to Washington that include hotel bookings?

Yes. In addition to deals on Montreal to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Montreal to Washington?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Washington.

Can I find deals for business class flights from Montreal to Washington?

Yes. Cheapflights offers flight deals from Montreal to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 250+ Cheap Flights from Montreal to Washington

Cheap flight deals from Montreal to Washington

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Montreal to Washington
Explore the most affordable flight options available from Montreal to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Sat 19/96:45 a.m. -

2 stops15h 00m

Tue 22/97:35 p.m. -

1 stop8h 30m

Deal found 1/9C$ 418

Thu 10/96:45 a.m. -

2 stops15h 00m

Wed 16/97:35 p.m. -

1 stop8h 30m

Deal found 1/9C$ 419

Thu 26/117:30 a.m. -

1 stop10h 11m

Wed 2/1210:00 a.m. -

1 stop7h 33m

Deal found 1/9C$ 421

Sat 19/99:45 a.m. -

1 stop9h 11m

Sat 26/93:30 p.m. -

2 stops12h 40m

Deal found 1/9C$ 422

Sat 26/96:45 a.m. -

2 stops15h 00m

Fri 2/107:35 p.m. -

1 stop8h 30m

Deal found 31/8C$ 424

Thu 10/96:45 a.m. -

2 stops15h 00m

Fri 18/97:35 p.m. -

1 stop8h 30m

Deal found 2/9C$ 428

Fri 27/118:30 a.m. -

2 stops13h 01m

Wed 2/1210:00 a.m. -

1 stop7h 33m

Deal found 1/9C$ 429

Tue 13/106:35 p.m. -

1 stop18h 35m

Sat 17/102:27 p.m. -

1 stop17h 13m

Deal found 1/9C$ 431

Tue 29/912:44 p.m. -

1 stop12h 03m

Tue 6/106:50 a.m. -

2 stops13h 35m

Deal found 2/9C$ 436

Tue 15/98:00 p.m. -

1 stop16h 40m

Tue 22/97:35 p.m. -

1 stop8h 30m

Deal found 2/9C$ 437

Fri 23/106:35 p.m. -

1 stop8h 59m

Sat 24/108:30 a.m. -

1 stop9h 56m

Deal found 31/8C$ 437

Fri 16/106:35 p.m. -

1 stop8h 59m

Fri 23/1011:30 p.m. -

1 stop8h 10m

Deal found 31/8C$ 439

Best flights from Montreal to Washington
Discover carefully curated flight deals from Montreal to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Tue 13/107:00 a.m. -

2 stops19h 47m

Sat 17/106:50 a.m. -

2 stops13h 35m

Deal found 2/9C$ 436

Tue 29/99:45 a.m. -

1 stop15h 38m

Tue 6/107:33 p.m. -

1 stop9h 43m

Deal found 1/9C$ 436

Fri 2/106:45 a.m. -

2 stops15h 00m

Fri 9/1010:30 a.m. -

2 stops10h 55m

Deal found 2/9C$ 471

Fri 8/17:30 a.m. -

1 stop10h 07m

Sat 16/18:15 a.m. -

2 stops12h 03m

Deal found 3/9C$ 522

Sat 3/109:45 a.m. -

1 stop15h 38m

Fri 9/1010:33 p.m. -

1 stop11h 36m

Deal found 1/9C$ 442

Sat 19/97:00 a.m. -

1 stop12h 07m

Tue 22/99:43 a.m. -

1 stop10h 44m

Deal found 1/9C$ 471

Wed 7/106:45 a.m. -

2 stops15h 00m

Sat 10/1010:30 a.m. -

2 stops10h 55m

Deal found 2/9C$ 487

Tue 13/106:35 p.m. -

1 stop18h 35m

Sat 17/101:13 p.m. -

2 stops18h 27m

Deal found 2/9C$ 457

Sat 19/96:00 a.m. -

1 stop7h 24m

Sat 26/96:00 a.m. -

2 stops14h 27m

Deal found 30/8C$ 479

Tue 29/1210:40 a.m. -

2 stops13h 19m

Mon 11/13:15 p.m. -

2 stops12h 55m

Deal found 2/9C$ 547

Mon 21/95:45 p.m. -

2 stops28h 00m

Mon 28/97:35 p.m. -

1 stop8h 30m

Deal found 30/8C$ 514

Tue 15/99:45 a.m. -

2 stops13h 36m

Tue 29/97:29 p.m. -

1 stop9h 47m

Deal found 31/8C$ 479

Wed 30/96:00 a.m. -

1 stop7h 24m

Wed 7/1011:00 p.m. -

2 stops14h 15m

Deal found 2/9C$ 485

Wed 14/106:00 p.m. -

1 stop7h 47m

Sun 18/107:55 a.m. -

1 stop8h 26m

Deal found 2/9C$ 556

Wed 30/99:15 a.m. -

1 stop13h 55m

Wed 7/101:03 p.m. -

1 stop16h 13m

Deal found 30/8C$ 479

Fri 25/95:45 p.m. -

2 stops28h 00m

Sat 3/107:35 p.m. -

1 stop8h 30m

Deal found 29/8C$ 537

Wed 14/109:45 a.m. -

2 stops13h 52m

Sun 18/105:07 p.m. -

1 stop14h 33m

Deal found 2/9C$ 562

Fri 18/122:15 p.m. -

2 stops22h 40m

Sat 2/18:20 a.m. -

2 stops13h 15m

Deal found 30/8C$ 1,665

Sat 19/97:00 a.m. -

2 stops15h 15m

Sat 26/96:45 a.m. -

2 stops13h 42m

Deal found 31/8C$ 626

Sat 19/98:15 a.m. -

1 stop9h 51m

Sat 26/91:05 p.m. -

1 stop16h 11m

Deal found 31/8C$ 697

Thu 24/93:25 p.m. -

1 stop9h 30m

Mon 28/97:25 p.m. -

2 stops12h 15m

Deal found 1/9C$ 571

Fri 5/27:00 a.m. -

1 stop7h 44m

Tue 9/27:00 a.m. -

2 stops13h 51m

Deal found 29/8C$ 655

Sat 24/106:10 a.m. -

2 stops17h 39m

Tue 27/104:10 p.m. -

2 stops20h 06m

Deal found 31/8C$ 628

Fri 5/27:00 a.m. -

2 stops17h 09m

Tue 9/25:00 a.m. -

2 stops13h 17m

Deal found 29/8C$ 655

Sat 7/117:00 a.m. -

2 stops16h 58m

Mon 9/111:47 p.m. -

2 stops21h 13m

Deal found 30/8C$ 746

Wed 4/119:15 a.m. -

2 stops14h 43m

Sun 15/111:47 p.m. -

2 stops20h 41m

Deal found 1/9C$ 758

Thu 24/96:10 a.m. -

2 stops17h 30m

Mon 28/91:35 p.m. -

1 stop15h 41m

Deal found 2/9C$ 778

Find flight deals from Montreal to Washington

Round-trip from	C$ 418
One-way from	C$ 250
Popular in	April
Cheapest in	September
Average price	C$ 574

WestJet
19/9-22/9
3 total stops
23h 30m total
Montreal to Washington

Search Deals

Air Canada
26/1
2 total stops
13h 01m total
Montreal to Washington

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 152 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (C$ 75 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

7:00 a.m.-11:47 p.m.

2 stops19h 47m

Portland

Sat 17/10

6:50 a.m.-11:25 p.m.

2 stops13h 35m

C$ 436

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

9:45 a.m.-10:23 p.m.

1 stop15h 38m

Portland

Tue 6/10

7:33 p.m.-8:16 a.m.

1 stop9h 43m

C$ 436

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 3/10

9:45 a.m.-10:23 p.m.

1 stop15h 38m

Portland

Fri 9/10

10:33 p.m.-1:09 p.m.

1 stop11h 36m

C$ 442

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

6:35 p.m.-10:10 a.m.

1 stop18h 35m

Portland

Sat 17/10

1:13 p.m.-10:40 a.m.

2 stops18h 27m

C$ 457

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 2/10

6:45 a.m.-6:45 p.m.

2 stops15h 00m

Seattle/Tacoma Intl

Fri 9/10

10:30 a.m.-12:25 a.m.

2 stops10h 55m

C$ 471

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

7:00 a.m.-4:07 p.m.

1 stop12h 07m

Seattle/Tacoma Intl

Tue 22/9

9:43 a.m.-11:27 p.m.

1 stop10h 44m

C$ 471

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

6:00 a.m.-10:24 a.m.

1 stop7h 24m

Portland

Sat 26/9

6:00 a.m.-11:27 p.m.

2 stops14h 27m

C$ 479

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

9:45 a.m.-8:21 p.m.

2 stops13h 36m

Portland

Tue 29/9

7:29 p.m.-8:16 a.m.

1 stop9h 47m

C$ 479

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

9:15 a.m.-8:10 p.m.

1 stop13h 55m

Portland

Wed 7/10

1:03 p.m.-8:16 a.m.

1 stop16h 13m

C$ 479

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

6:00 a.m.-10:24 a.m.

1 stop7h 24m

Portland

Wed 7/10

11:00 p.m.-4:15 p.m.

2 stops14h 15m

C$ 485

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 57 resultsSorted by cheapest first

...

Best time to book a flight from Montreal to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Montreal with our price prediction graph.

YUL-SEA

YUL-PDX

YUL-PAE

YUL-GEG

YUL-PSC

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 Montreal to Washington

YMQ-USWA

YUL-SEA

YUL-PDX

YUL-PAE

YUL-GEG

What is the cheapest month to book a flight from Montreal to State of Washington?

Currently, March is the cheapest month in which you can book a flight from Montreal to State of Washington (average of C$ 635). Flying from Montreal to State of Washington in June is currently the most expensive (average of C$ 828). 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.

How much does it cost to fly round-trip from Montreal to State of Washington?

Airfare is below average for this route at the moment.

Montreal to State of Washington flights typically cost between C$ 553 and C$ 746 in September.
The cheapest round-trip price found within the last 5 days was C$ 418 on WestJet (19 Sep-22 Sep).

How far ahead should I book a flight from Montreal to State of Washington?

The best time to book flights from Montreal to State of Washington is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Washington

Check out reviews from past customers who have flown with Delta,United Airlines, andWestJet from Montreal to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,551 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Delta

7.8

Good

8,551 reviews

Delta

7.8

Good

8,551 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

United Airlines

7.4

Good

10,159 reviews

Delta

7.8

Good

8,551 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

WestJet

7.2

Good

3,446 reviews

Delta

7.8

Good

8,551 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Air Canada

7.1

Good

11,573 reviews

Delta

7.8

Good

8,551 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Related info for your journey

How long is the flight from Montreal to State of Washington?
Departing from Montreal to State of Washington will take you 15h. Montreal and State of Washington are separated by a distance of 3663 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from Montreal to State of Washington?
When deciding which route to take from Montreal to State of Washington consider Montreal Pierre Elliott Trudeau Intl - Portland, Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl or Montreal Pierre Elliott Trudeau Intl - Pasco Tri Cities as they are the most popular.
Can I find deals for flights from Montreal to Washington that include hotel bookings?
Yes. In addition to deals on Montreal to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montreal to Washington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Washington.
Can I find deals for business class flights from Montreal to Washington?
Yes. Cheapflights offers flight deals from Montreal to Washington 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 Montreal to State of Washington?
Currently, March is the cheapest month in which you can book a flight from Montreal to State of Washington (average of C$ 635). Flying from Montreal to State of Washington in June is currently the most expensive (average of C$ 828). 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

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Montreal to Washington

Pierre Elliott Trudeau Intl to Fort Lauderdale flights

Pierre Elliott Trudeau Intl to Newark flights

Pierre Elliott Trudeau Intl to LaGuardia flights

Pierre Elliott Trudeau Intl to Miami flights

Pierre Elliott Trudeau Intl to John F Kennedy Intl flights

Pierre Elliott Trudeau Intl to Orlando flights

Pierre Elliott Trudeau Intl to Los Angeles flights

Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights

Québec City to Fort Lauderdale flights

Pierre Elliott Trudeau Intl to O'Hare Intl flights

Ottawa to Fort Lauderdale flights

Pierre Elliott Trudeau Intl to Las Vegas flights

Pierre Elliott Trudeau Intl to Boston flights

Ottawa to Newark flights

Pierre Elliott Trudeau Intl to Nashville flights

Pierre Elliott Trudeau Intl to Reagan-National flights

Pierre Elliott Trudeau Intl to Atlanta flights

Ottawa to Orlando flights

Pierre Elliott Trudeau Intl to San Francisco flights

Pierre Elliott Trudeau Intl to Hobby flights

Pierre Elliott Trudeau Intl to Tampa flights

Ottawa to LaGuardia flights

Pierre Elliott Trudeau Intl to Midway flights

Pierre Elliott Trudeau Intl to Dulles Intl flights

Québec City to Orlando flights

Québec City to Newark flights

Pierre Elliott Trudeau Intl to George Bush Intcntl flights

Québec City to Miami flights

Pierre Elliott Trudeau Intl to Honolulu flights

Pierre Elliott Trudeau Intl to Philadelphia flights

Ottawa to John F Kennedy Intl flights

Pierre Elliott Trudeau Intl to Denver flights

Ottawa to Dulles Intl flights

Québec City to O'Hare Intl flights

Pierre Elliott Trudeau Intl to Baltimore flights

Pierre Elliott Trudeau Intl to San Diego flights

Pierre Elliott Trudeau Intl to Sky Harbor Intl flights

Ottawa to Boston flights

Ottawa to O'Hare Intl flights

Pierre Elliott Trudeau Intl to Detroit flights

Québec City to LaGuardia flights

Pierre Elliott Trudeau Intl to Ontario flights

Pierre Elliott Trudeau Intl to Charlotte flights

Pierre Elliott Trudeau Intl to Love Field flights

Pierre Elliott Trudeau Intl to Minneapolis flights

Pierre Elliott Trudeau Intl to Portland flights

Ottawa to Reagan-National flights

Pierre Elliott Trudeau Intl to New Orleans flights

Ottawa to Las Vegas flights

Top 5 airlines flying from Montreal to Washington

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 282	AverageC$ 740	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet	CheapestC$ 411	AverageC$ 546	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
American Airlines	CheapestC$ 421	AverageC$ 626	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 499	AverageC$ 835	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 503	AverageC$ 741	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Montreal to Washington?

Cheapflights makes it easy to find Montreal to Washington flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Washington?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington from Montreal.

Can Cheapflights find flights from Montreal to Washington with no change fees?

Need flexible booking options for your flight to Washington from Montreal? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Montreal to Washington become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.

Cheap flights from Montreal to Washington from C$ 250

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Montreal to Washington

Cheapest flights from Montreal to WashingtonExplore the most affordable flight options available from Montreal to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Explore the most affordable flight options available from Montreal to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Best flights from Montreal to WashingtonDiscover carefully curated flight deals from Montreal to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Discover carefully curated flight deals from Montreal to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Last-minute flights from Montreal to WashingtonDiscover last-minute flight deals from Montreal to Washington. Data last updated 3 September 2026 and is based on user searches.

Discover last-minute flight deals from Montreal to Washington. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Montreal to WashingtonSearch for one-way flight options from Montreal to Washington. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Search for one-way flight options from Montreal to Washington. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Find flight deals from Montreal to Washington

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Montreal to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Montreal with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Montreal to State of Washington?

How much does it cost to fly round-trip from Montreal to State of Washington?

Airfare is below average for this route at the moment.

Montreal to State of Washington flights typically cost between C$ 553 and C$ 746 in September.The cheapest round-trip price found within the last 5 days was C$ 418 on WestJet (19 Sep-22 Sep).

How far ahead should I book a flight from Montreal to State of Washington?

The best time to book flights from Montreal to State of Washington is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Washington

Check out reviews from past customers who have flown with Delta,United Airlines, andWestJet from Montreal to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Montreal to State of Washington?

What are the most popular routes from Montreal to State of Washington?

Can I find deals for flights from Montreal to Washington that include hotel bookings?

How can I find direct flights from Montreal to Washington?

Can I find deals for business class flights from Montreal to Washington?

What is the cheapest month to book a flight from Montreal to State of Washington?

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 Montreal to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Montreal to Washington by cabin class

Find flights from Montreal to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Montreal and Washington flights

Browse other Montreal and Washington flight options. Last updated on 3 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Montreal to Washington flights

Consider these flights travelling from Montreal to Washington.

Top 5 airlines flying from Montreal to Washington

Fly with Cheapflights

How does Cheapflights help users find flights from Montreal to Washington?

Why should you use Cheapflights to find cheap flight tickets from Montreal to Washington?

Can Cheapflights find flights from Montreal to Washington with no change fees?

Can Cheapflights notify me if prices for flights from Montreal to Washington become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Montreal to Washington
Explore the most affordable flight options available from Montreal to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2026.

Best flights from Montreal to Washington
Discover carefully curated flight deals from Montreal to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 3 September 2026.

Last-minute flights from Montreal to Washington
Discover last-minute flight deals from Montreal to Washington. Data last updated 3 September 2026 and is based on user searches.

One-way flights from Montreal to Washington
Search for one-way flight options from Montreal to Washington. Find affordable one-way fares based on user searches. Data last updated 3 September 2026.

Montreal to State of Washington flights typically cost between C$ 553 and C$ 746 in September.
The cheapest round-trip price found within the last 5 days was C$ 418 on WestJet (19 Sep-22 Sep).