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Cheap flights from Montreal to Washington from C$ 217

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SEA
11 Jan — 18 Jan1
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 12 December 2025.

Wed 24/125:25 p.m.YUL - SEA
1 stop19h 30mUnited Airlines
Mon 19/17:00 a.m.SEA - YUL
1 stop8h 40mUnited Airlines
Deal found 10/12C$ 623
Wed 24/121:15 p.m.YUL - PDX
2 stops23h 00mAir Canada
Wed 31/127:00 p.m.PDX - YUL
1 stop8h 44mAir Canada
Deal found 9/12C$ 637
Thu 25/121:15 p.m.YUL - SEA
2 stops12h 01mAir Canada
Tue 30/125:50 a.m.SEA - YUL
1 stop8h 10mAir Canada
Deal found 9/12C$ 709
Wed 24/128:25 a.m.YUL - PDX
1 stop15h 23mUnited Airlines
Wed 31/1210:52 p.m.PDX - YUL
1 stop13h 24mUnited Airlines
Deal found 9/12C$ 775
Mon 29/125:25 p.m.YUL - SEA
1 stop19h 31mUnited Airlines
Wed 4/28:40 a.m.SEA - YUL
2 stops23h 50mUnited Airlines
Deal found 10/12C$ 790
Tue 23/125:40 p.m.YUL - PDX
1 stop19h 21mUnited Airlines
Wed 31/1210:52 p.m.PDX - YUL
1 stop13h 24mUnited Airlines
Deal found 9/12C$ 834
Sun 21/124:10 p.m.YUL - SEA
1 stop9h 06mAir Canada
Sat 31/19:55 a.m.SEA - YUL
1 stop8h 05mAir Canada
Deal found 10/12C$ 852
Sun 21/129:15 a.m.YUL - SEA
1 stop14h 42mUnited Airlines
Sat 31/112:40 p.m.SEA - YUL
2 stops18h 40mUnited Airlines
Deal found 10/12C$ 863
Mon 22/121:10 p.m.YUL - PDX
1 stop12h 30mUnited Airlines
Wed 31/1210:52 p.m.PDX - YUL
1 stop9h 46mUnited Airlines
Deal found 9/12C$ 887
Sun 28/126:45 a.m.YUL - SEA
2 stops27h 35mWestJet
Wed 4/23:10 p.m.SEA - YUL
1 stop12h 55mWestJet
Deal found 10/12C$ 923
Mon 22/127:00 a.m.YUL - PDX
2 stops16h 34mDelta
Wed 31/125:15 p.m.PDX - YUL
2 stops15h 43mDelta
Deal found 9/12C$ 990
Wed 24/127:30 a.m.YUL - PDX
1 stop10h 10mAir Canada
Thu 1/19:50 a.m.PDX - YUL
1 stop8h 05mAir Canada
Deal found 9/12C$ 1,034

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 12 December 2025.

Round-trip from

C$ 320

One-way from

C$ 217

Popular in

April

Cheapest in

September

Average price

C$ 792
WestJet
  • WestJet
  • 5/4-6/4
  • 2 total stops
  • 23h 14m total
  • Montreal to Washington
Search Deals
WestJet
  • WestJet
  • 8/1
  • 1 total stop
  • 21h 50m total
  • Montreal to Washington
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 2025.
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

Sat 6/6

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

1 stop9h 23m

Seattle/Tacoma Intl

Sun 7/6

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

1 stop14h 37m

C$ 397

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

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

1 stop9h 23m

Seattle/Tacoma Intl

Sun 7/6

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

1 stop14h 37m

C$ 397

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

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

1 stop10h 10m

Portland

Thu 22/1

9:50 a.m.-8:55 p.m.

1 stop8h 05m

C$ 436

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 21/3

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

2 stops34h 34m

Seattle/Tacoma Intl

Tue 31/3

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

1 stop12h 55m

C$ 439

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

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

2 stops34h 34m

Seattle/Tacoma Intl

Thu 26/3

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

1 stop12h 55m

C$ 439

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

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

2 stops34h 34m

Seattle/Tacoma Intl

Sun 29/3

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

2 stops30h 28m

C$ 441

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

8:10 a.m.-6:30 p.m.

2 stops13h 20m

Portland

Mon 19/1

9:50 a.m.-8:55 p.m.

1 stop8h 05m

C$ 450

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

5:30 p.m.-1:08 p.m.

1 stop22h 38m

Seattle/Tacoma Intl

Sun 7/6

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

1 stop14h 37m

C$ 450

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

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

1 stop16h 43m

Seattle/Tacoma Intl

Mon 8/6

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

1 stop14h 37m

C$ 450

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

7:30 p.m.-2:19 p.m.

1 stop21h 49m

Seattle/Tacoma Intl

Tue 31/3

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

1 stop12h 55m

C$ 451

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 52 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$ 280). Flying from Montreal to State of Washington in January is currently the most expensive (average of C$ 508). 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 YMQ to WA?

Find hourly flight availability from Montreal to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

One of the essential ways to save on airfare from Montreal to State of Washington is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 67% on airfare.

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 12 December 2025.
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
9,095 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
WestJet
7.2
Good
3,195 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
Air Canada
7.1
Good
10,516 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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$ 215 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$ 270 and C$ 283, 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$ 280). Flying from Montreal to State of Washington in January is currently the most expensive (average of C$ 508). 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 280AverageC$ 566FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 367AverageC$ 548FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 455AverageC$ 559FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 497AverageC$ 693FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 534AverageC$ 727FlexibilityNo 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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