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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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SEA
3 Jul — 10 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 June 2026.

Fri 4/99:45 a.m.
YUL
-
PDX
2 stops16h 09m
United Airlines
Mon 7/911:17 p.m.
PDX
-
YUL
1 stop13h 53m
United Airlines
Deal found 30/5C$ 463
Fri 10/77:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Mon 20/72:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Deal found 30/5C$ 491
Thu 16/76:35 p.m.
YUL
-
PDX
1 stop17h 56m
Air Canada
Sat 25/73:30 p.m.
PDX
-
YUL
2 stops12h 40m
Air Canada
Deal found 1/6C$ 495
Wed 19/85:34 p.m.
YUL
-
PDX
1 stop9h 25m
American Airlines
Thu 27/811:34 p.m.
PDX
-
YUL
1 stop9h 09m
American Airlines
Deal found 31/5C$ 498
Wed 15/76:45 a.m.
YUL
-
PDX
2 stops10h 05m
WestJet
Wed 22/72:30 p.m.
PDX
-
YUL
2 stops23h 15m
WestJet
Deal found 29/5C$ 501
Fri 17/78:05 a.m.
YUL
-
PDX
2 stops14h 06m
Air Canada
Mon 20/73:30 p.m.
PDX
-
YUL
2 stops12h 40m
Air Canada
Deal found 1/6C$ 502
Fri 17/78:05 a.m.
YUL
-
PDX
2 stops14h 06m
Air Canada
Sat 25/73:30 p.m.
PDX
-
YUL
2 stops12h 40m
Air Canada
Deal found 1/6C$ 503
Tue 13/1012:45 p.m.
YUL
-
PDX
1 stop12h 41m
Delta
Sat 17/1010:55 p.m.
PDX
-
YUL
1 stop10h 20m
Delta
Deal found 31/5C$ 505
Thu 17/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Sat 26/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 31/5C$ 523
Wed 19/87:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Wed 26/82:30 p.m.
PDX
-
YUL
1 stop30h 15m
WestJet
Deal found 1/6C$ 523
Thu 3/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Mon 7/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 2/6C$ 524
Tue 29/96:35 p.m.
YUL
-
PDX
1 stop9h 24m
United Airlines
Tue 6/107:15 p.m.
PDX
-
YUL
1 stop10h 01m
United Airlines
Deal found 3/6C$ 526

Find flight deals from Montreal to Washington

Keep the following information in mind while searching for Montreal to Washington flight deals. Data was last updated 3 June 2026.

Round-trip from

C$ 463

One-way from

C$ 250

Popular in

April

Cheapest in

March

Average price

C$ 792
United Airlines
  • United Airlines
  • 4/9-7/9
  • 3 total stops
  • 30h 02m total
  • Montreal to Washington
Search Deals
WestJet
  • WestJet
  • 4/9
  • 1 total stop
  • 9h 35m total
  • Montreal to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 73 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 3 June 2026.
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 - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

12:45 p.m.-10:26 p.m.

1 stop12h 41m

Portland

Sat 17/10

10:55 p.m.-12:15 p.m.

1 stop10h 20m

C$ 503

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

6:35 p.m.-12:59 a.m.

1 stop9h 24m

Portland

Wed 7/10

3:36 p.m.-8:16 a.m.

1 stop13h 40m

C$ 526

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

6:00 a.m.-3:05 p.m.

2 stops12h 05m

Portland

Tue 6/10

3:36 p.m.-8:16 a.m.

1 stop13h 40m

C$ 534

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

6:30 p.m.-9:34 a.m.

1 stop18h 04m

Portland

Tue 21/7

4:15 p.m.-10:40 a.m.

2 stops15h 25m

C$ 548

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

6:30 p.m.-9:34 a.m.

1 stop18h 04m

Portland

Sat 25/7

11:29 p.m.-6:20 p.m.

1 stop15h 51m

C$ 548

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

4:30 p.m.-10:54 p.m.

1 stop9h 24m

Portland

Mon 7/9

11:17 p.m.-1:09 p.m.

1 stop10h 52m

C$ 548

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 2/7

6:35 p.m.-12:50 a.m.

1 stop9h 15m

Portland

Sat 4/7

11:30 p.m.-7:45 p.m.

1 stop17h 15m

C$ 616

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 6/10

7:15 a.m.-6:45 p.m.

1 stop14h 30m

Seattle/Tacoma Intl

Wed 7/10

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 634

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

6:00 a.m.-12:35 p.m.

2 stops9h 35m

Seattle/Tacoma Intl

Mon 24/8

8:59 p.m.-11:56 a.m.

2 stops11h 57m

C$ 677

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

6:00 a.m.-10:31 a.m.

1 stop7h 31m

Seattle/Tacoma Intl

Mon 24/8

8:59 p.m.-11:56 a.m.

2 stops11h 57m

C$ 691

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/5

Showing 1-10 of 56 resultsSorted by cheapest first
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2
3
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6

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, June is the cheapest month in which you can book a flight from Montreal to State of Washington (average of C$ 230). Flying from Montreal to State of Washington in February is currently the most expensive (average of C$ 447). 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?

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

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 3 June 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
9,771 reviews
Check prices

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,771 reviews
United Airlines
7.4
Good
9,771 reviews
Check prices

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
WestJet
7.2
Good
3,350 reviews
United Airlines
7.4
Good
9,771 reviews
Check prices

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
Air Canada
7.1
Good
11,123 reviews
United Airlines
7.4
Good
9,771 reviews
Check prices

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 12h 41m. Montreal and State of Washington are separated by a distance of 3742 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 - 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, June is the cheapest month in which you can book a flight from Montreal to State of Washington (average of C$ 230). Flying from Montreal to State of Washington in February is currently the most expensive (average of C$ 447). 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

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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 4 airlines flying from Montreal to Washington

Discover the top 4 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 3 June 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 282AverageC$ 668FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 410AverageC$ 521FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 498AverageC$ 935FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 528AverageC$ 700FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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