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Cheap flights from Montreal to Washington from C$ 207

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
7 Feb — 14 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 8 January 2026.

Round-trip from

C$ 333

One-way from

C$ 207

Popular in

December

Cheapest in

February

Average price

C$ 788
WestJet
  • WestJet
  • 29/5-7/6
  • 3 total stops
  • 23h 58m 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. 7% potential increase in price (C$ 85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 8 January 2026.

Fri 29/56:45 a.m.YUL - SEA
1 stop9h 23mWestJet
Sun 7/67:05 a.m.SEA - YUL
2 stops14h 35mWestJet
Deal found 7/1C$ 333
Fri 29/56:45 a.m.YUL - SEA
1 stop9h 23mWestJet
Mon 8/67:05 a.m.SEA - YUL
2 stops14h 35mWestJet
Deal found 6/1C$ 334
Wed 20/56:45 a.m.YUL - SEA
1 stop9h 23mWestJet
Sun 24/57:05 a.m.SEA - YUL
1 stop14h 37mWestJet
Deal found 7/1C$ 339
Tue 12/56:45 a.m.YUL - SEA
1 stop9h 23mWestJet
Tue 19/57:05 a.m.SEA - YUL
1 stop14h 37mWestJet
Deal found 6/1C$ 341
Sun 1/26:45 a.m.YUL - SEA
2 stops34h 34mWestJet
Sun 8/23:10 p.m.SEA - YUL
1 stop12h 55mWestJet
Deal found 6/1C$ 358
Thu 29/16:45 a.m.YUL - SEA
2 stops34h 35mWestJet
Sun 1/23:10 p.m.SEA - YUL
2 stops30h 28mWestJet
Deal found 6/1C$ 361
Tue 3/26:45 a.m.YUL - SEA
2 stops34h 34mWestJet
Tue 10/23:10 p.m.SEA - YUL
2 stops30h 28mWestJet
Deal found 5/1C$ 362
Mon 11/56:45 a.m.YUL - SEA
1 stop9h 23mWestJet
Tue 19/57:05 a.m.SEA - YUL
1 stop14h 37mWestJet
Deal found 6/1C$ 366
Fri 22/56:45 a.m.YUL - SEA
2 stops33h 23mWestJet
Fri 29/51:15 p.m.SEA - YUL
2 stops24h 12mWestJet
Deal found 7/1C$ 372
Sat 24/18:05 a.m.YUL - PDX
2 stops9h 35mAir Canada
Fri 30/13:15 p.m.PDX - YUL
2 stops12h 55mAir Canada
Deal found 7/1C$ 398
Thu 5/27:30 a.m.YUL - PDX
1 stop10h 10mAir Canada
Tue 10/29:50 a.m.PDX - YUL
1 stop8h 10mAir Canada
Deal found 6/1C$ 422
Fri 20/27:30 a.m.YUL - PDX
1 stop10h 10mAir Canada
Sun 22/29:50 a.m.PDX - YUL
1 stop8h 10mAir Canada
Deal found 8/1C$ 434

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 8 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

Tue 5/5

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

1 stop9h 23m

Seattle/Tacoma Intl

Sun 10/5

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

1 stop14h 37m

C$ 333

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

6:45 a.m.-2:19 p.m.

2 stops34h 34m

Seattle/Tacoma Intl

Sun 8/2

3:10 p.m.-7:05 a.m.

1 stop12h 55m

C$ 358

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

6:45 a.m.-2:19 p.m.

2 stops34h 34m

Seattle/Tacoma Intl

Tue 10/2

3:10 p.m.-12:38 a.m.

2 stops30h 28m

C$ 362

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

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

1 stop16h 43m

Seattle/Tacoma Intl

Fri 29/5

1:15 p.m.-4:27 p.m.

2 stops24h 12m

C$ 372

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

6:45 a.m.-7:17 p.m.

1 stop15h 32m

Seattle/Tacoma Intl

Sat 7/2

7:55 a.m.-12:38 a.m.

1 stop13h 43m

C$ 415

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 5/2

6:45 a.m.-7:17 p.m.

1 stop15h 32m

Seattle/Tacoma Intl

Mon 9/2

7:55 a.m.-12:38 a.m.

1 stop13h 43m

C$ 416

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

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

1 stop9h 23m

Seattle/Tacoma Intl

Tue 19/5

7:05 a.m.-12:40 a.m.

2 stops14h 35m

C$ 419

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

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

1 stop9h 23m

Seattle/Tacoma Intl

Sun 17/5

7:05 a.m.-12:40 a.m.

2 stops14h 35m

C$ 419

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 5/2

7:30 a.m.-2:40 p.m.

1 stop10h 10m

Portland

Tue 10/2

9:50 a.m.-9:00 p.m.

1 stop8h 10m

C$ 422

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

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

1 stop9h 49m

Portland

Mon 26/1

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

1 stop11h 01m

C$ 438

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 47 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$ 281). Flying from Montreal to State of Washington in January is currently the most expensive (average of C$ 509). 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?

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 8 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
9,139 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,139 reviews
United Airlines
7.4
Good
9,139 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
WestJet
7.2
Good
3,235 reviews
United Airlines
7.4
Good
9,139 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Air Canada
7.1
Good
10,603 reviews
United Airlines
7.4
Good
9,139 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 9h 23m. 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 cheapest airlines to fly from Montreal to State of Washington one-way?

    C$ 216 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$ 262 and C$ 284, 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.

  • 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$ 281). Flying from Montreal to State of Washington in January is currently the most expensive (average of C$ 509). 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 8 January 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 281AverageC$ 567FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 368AverageC$ 542FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 456AverageC$ 560FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 498AverageC$ 691FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 535AverageC$ 725FlexibilityNo 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.

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!

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