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Cheap flights from Montreal to Washington from C$ 231

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SEA
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Washington

Keep the following information in mind while searching for Montreal to Washington flight deals. Data was last updated 15 January 2026.

Round-trip from

C$ 335

One-way from

C$ 231

Popular in

December

Cheapest in

February

Average price

C$ 792

Good round-trip deal

C$ 709 or less
WestJet
  • WestJet
  • 5/5-10/5
  • 2 total stops
  • 17h 00m total
  • Montreal to Washington
Search Deals
WestJet
  • WestJet
  • 2/2
  • 2 total stops
  • 34h 34m total
  • Montreal to Washington
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Montreal (YMQ) to Washington.
Search Deals

Find flight deals from Montreal to Washington

Enter your travel dates to find the best prices.

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 15 January 2026.

Tue 5/56:45 a.m.
YUL
-
SEA
1 stop9h 23m
WestJet
Sun 10/52:05 p.m.
SEA
-
YUL
1 stop7h 37m
WestJet
Deal found 15/1C$ 335
Sun 3/56:45 a.m.
YUL
-
SEA
1 stop9h 23m
WestJet
Mon 4/52:05 p.m.
SEA
-
YUL
1 stop7h 37m
WestJet
Deal found 14/1C$ 339
Wed 13/56:45 a.m.
YUL
-
SEA
1 stop9h 23m
WestJet
Sat 23/57:05 a.m.
SEA
-
YUL
1 stop14h 37m
WestJet
Deal found 13/1C$ 377
Sat 2/56:45 a.m.
YUL
-
SEA
1 stop16h 43m
WestJet
Mon 4/52:05 p.m.
SEA
-
YUL
1 stop7h 37m
WestJet
Deal found 14/1C$ 384
Thu 29/17:30 a.m.
YUL
-
PDX
1 stop10h 10m
Air Canada
Wed 4/29:50 a.m.
PDX
-
YUL
2 stops11h 42m
Air Canada
Deal found 14/1C$ 407
Wed 11/29:00 a.m.
YUL
-
PDX
1 stop8h 40m
Air Canada
Wed 18/29:50 a.m.
PDX
-
YUL
1 stop8h 10m
Air Canada
Deal found 14/1C$ 417
Fri 22/56:45 a.m.
YUL
-
SEA
1 stop16h 43m
WestJet
Mon 25/52:05 p.m.
SEA
-
YUL
1 stop23h 22m
WestJet
Deal found 13/1C$ 420
Mon 2/27:30 p.m.
YUL
-
SEA
1 stop21h 49m
WestJet
Sun 8/23:10 p.m.
SEA
-
YUL
1 stop12h 55m
WestJet
Deal found 15/1C$ 429
Thu 21/55:30 p.m.
YUL
-
SEA
2 stops22h 00m
WestJet
Tue 26/57:05 a.m.
SEA
-
YUL
2 stops14h 35m
WestJet
Deal found 13/1C$ 432
Fri 24/46:45 a.m.
YUL
-
SEA
1 stop15h 38m
Multiple Airlines
Tue 28/42:05 p.m.
SEA
-
YUL
1 stop7h 37m
Multiple Airlines
Deal found 13/1C$ 442
Tue 14/49:15 a.m.
YUL
-
PDX
1 stop14h 27m
United Airlines
Sat 18/411:59 p.m.
PDX
-
YUL
1 stop7h 41m
United Airlines
Deal found 12/1C$ 443
Tue 14/48:05 a.m.
YUL
-
PDX
2 stops9h 35m
Air Canada
Sat 18/49:50 a.m.
PDX
-
YUL
2 stops11h 41m
Air Canada
Deal found 12/1C$ 446

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 January 2026.
Use the filters below to find and compare flights from Montreal to Washington that are best for you.

Fly from

Montreal

Fly to

Washington

Route

Depart

Return

Price

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

6:45 a.m.-1:08 p.m.

1 stop9h 23m

Seattle/Tacoma Intl

Tue 26/5

2:05 p.m.-12:42 a.m.

1 stop7h 37m

C$ 335

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

6:45 a.m.-1:08 p.m.

1 stop9h 23m

Seattle/Tacoma Intl

Sun 10/5

2:05 p.m.-12:42 a.m.

1 stop7h 37m

C$ 335

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:45 a.m.-1:08 p.m.

1 stop9h 23m

Seattle/Tacoma Intl

Mon 4/5

2:05 p.m.-12:42 a.m.

1 stop7h 37m

C$ 339

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

6:45 a.m.-1:08 p.m.

1 stop9h 23m

Seattle/Tacoma Intl

Sat 23/5

7:05 a.m.-12:42 a.m.

1 stop14h 37m

C$ 378

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

6:45 a.m.-8:28 p.m.

2 stops16h 43m

Seattle/Tacoma Intl

Mon 25/5

2:05 p.m.-12:42 a.m.

1 stop7h 37m

C$ 389

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 24/4

6:45 a.m.-7:23 p.m.

1 stop15h 38m

Seattle/Tacoma Intl

Tue 28/4

2:05 p.m.-12:42 a.m.

1 stop7h 37m

C$ 442

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 14/2

6:00 a.m.-5:51 p.m.

2 stops14h 51m

Portland

Sat 28/2

11:59 p.m.-2:00 p.m.

1 stop11h 01m

C$ 443

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

12:55 p.m.-11:55 p.m.

2 stops14h 00m

Portland

Sat 18/4

7:05 a.m.-11:08 p.m.

2 stops13h 03m

C$ 443

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

3:00 p.m.-9:49 p.m.

1 stop9h 49m

Portland

Wed 18/2

6:57 p.m.-2:00 p.m.

2 stops16h 03m

C$ 443

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

9:15 a.m.-8:42 p.m.

1 stop14h 27m

Portland

Sat 18/4

11:59 p.m.-10:40 a.m.

1 stop7h 41m

C$ 443

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 39 results
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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.
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

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

Currently, November is the cheapest month in which you can book a flight from Montreal to State of Washington (average of C$ 282). Flying from Montreal to State of Washington in January is currently the most expensive (average of C$ 507). 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.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated 15 January 2026.
Check out reviews from past customers who have flown with United Airlines,WestJet, andAir Canada 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.
United Airlines
7.4
Good
9,163 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,163 reviews
United Airlines
7.4
Good
9,163 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
WestJet
7.2
Good
3,242 reviews
United Airlines
7.4
Good
9,163 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,622 reviews
United Airlines
7.4
Good
9,163 reviews
Check prices

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Montreal to Washington. 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 Montreal to State of Washington?

    Departing from Montreal to State of Washington will take you 8h 17m. Montreal and State of Washington are separated by a distance of 3310 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Montreal to State of Washington one-way?

    C$ 217 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from C$ 263 and C$ 285, respectively.

  • 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 - Seattle/Tacoma Intl, Montreal Pierre Elliott Trudeau Intl - Portland or Montreal Pierre Elliott Trudeau Intl - Spokane as they are the most popular.

  • What are the cheapest flights from Montreal to State of Washington?

    The cheapest flight price from Montreal to State of Washington is C$ 709. On average you can expect to pay C$ 709. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl), can usually be booked for C$ 432.

  • 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, November is the cheapest month in which you can book a flight from Montreal to State of Washington (average of C$ 282). Flying from Montreal to State of Washington in January is currently the most expensive (average of C$ 507). 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

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Alternative routes for Montreal to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Montreal to Washington

Discover the top 5 airlines that operate flights from Montreal to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 260AverageC$ 563FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 283AverageC$ 592FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 363AverageC$ 543FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 499AverageC$ 693FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 538AverageC$ 733FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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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!

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