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Cheap flights from Montreal to Washington from C$ 216

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SEA
19 Dec — 26 Dec1
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 19 November 2025.

Round-trip from

C$ 283

One-way from

C$ 216

Popular in

November

Cheapest in

September

Average price

C$ 993

Good round-trip deal

C$ 1,325 or less
WestJet
  • WestJet
  • 2/5-9/5
  • 2 total stops
  • 17h 00m total
  • Montreal to Washington
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WestJet
  • WestJet
  • 21/1
  • 1 total stop
  • 21h 50m total
  • Montreal to Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 19 November 2025.

Tue 2/127:30 a.m.YUL - SEA
1 stop10h 01mAir Canada
Tue 9/1210:05 a.m.SEA - YUL
1 stop7h 55mAir Canada
Deal found 17/11C$ 409
Thu 4/122:13 p.m.YUL - SEA
2 stops13h 37mUnited Airlines
Sun 7/1211:50 p.m.SEA - YUL
1 stop10h 38mUnited Airlines
Deal found 17/11C$ 416
Thu 4/127:30 p.m.YUL - SEA
1 stop21h 50mWestJet
Sun 7/123:10 p.m.SEA - YUL
1 stop12h 55mWestJet
Deal found 17/11C$ 423
Tue 2/1212:59 p.m.YUL - SEA
1 stop12h 11mAmerican Airlines
Tue 9/128:30 a.m.SEA - YUL
2 stops11h 10mAmerican Airlines
Deal found 17/11C$ 436
Tue 16/129:15 a.m.YUL - PDX
2 stops16h 37mUnited Airlines
Tue 30/1210:52 p.m.PDX - YUL
1 stop17h 56mUnited Airlines
Deal found 18/11C$ 461
Mon 8/127:10 a.m.YUL - SEA
1 stop12h 50mDelta
Sun 14/127:15 a.m.SEA - YUL
2 stops13h 32mDelta
Deal found 18/11C$ 471
Sat 6/1212:50 p.m.YUL - PDX
2 stops12h 29mDelta
Sat 13/1210:10 p.m.PDX - YUL
2 stops10h 50mDelta
Deal found 18/11C$ 501
Thu 18/128:00 a.m.YUL - SEA
1 stop17h 16mAir Canada
Thu 8/18:00 p.m.SEA - YUL
2 stops11h 23mAir Canada
Deal found 18/11C$ 517
Mon 15/126:45 a.m.YUL - SEA
1 stop15h 33mMultiple Airlines
Mon 12/13:10 p.m.SEA - YUL
1 stop12h 55mMultiple Airlines
Deal found 18/11C$ 538
Tue 2/126:45 a.m.YUL - SEA
2 stops34h 50mWestJet
Tue 9/123:10 p.m.SEA - YUL
2 stops30h 33mWestJet
Deal found 17/11C$ 540
Wed 24/124:10 p.m.YUL - SEA
1 stop9h 06mAir Canada
Wed 31/128:00 p.m.SEA - YUL
2 stops9h 39mAir Canada
Deal found 18/11C$ 544
Wed 24/123:10 p.m.YUL - SEA
1 stop10h 06mAir Canada
Tue 30/128:10 a.m.SEA - YUL
2 stops9h 40mAir Canada
Deal found 18/11C$ 554

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 19 November 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 2/5

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

1 stop9h 23m

Seattle/Tacoma Intl

Sat 9/5

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

1 stop7h 37m

C$ 283

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

4:15 p.m.-2:19 p.m.

1 stop25h 04m

Seattle/Tacoma Intl

Wed 29/4

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

1 stop7h 37m

C$ 321

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

6:45 a.m.-2:20 p.m.

2 stops34h 35m

Seattle/Tacoma Intl

Mon 19/1

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

1 stop21h 02m

C$ 381

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

2:13 p.m.-12:50 a.m.

2 stops13h 37m

Seattle/Tacoma Intl

Sun 7/12

11:50 p.m.-1:28 p.m.

1 stop10h 38m

C$ 416

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

9:15 a.m.-10:52 p.m.

2 stops16h 37m

Portland

Tue 30/12

6:27 p.m.-2:00 p.m.

2 stops16h 33m

C$ 461

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

7:10 a.m.-5:00 p.m.

1 stop12h 50m

Seattle/Tacoma Intl

Sun 14/12

7:15 a.m.-11:47 p.m.

2 stops13h 32m

C$ 471

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 16/1

9:00 a.m.-2:31 p.m.

1 stop8h 31m

Seattle/Tacoma Intl

Sun 18/1

5:50 a.m.-7:14 p.m.

2 stops10h 24m

C$ 492

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

12:40 p.m.-10:19 p.m.

1 stop12h 39m

Portland

Thu 11/12

1:59 p.m.-11:47 p.m.

1 stop6h 48m

C$ 501

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

2:59 p.m.-10:19 p.m.

1 stop10h 20m

Portland

Sat 13/12

1:59 p.m.-11:47 p.m.

1 stop6h 48m

C$ 501

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 18/12

8:00 a.m.-10:16 p.m.

1 stop17h 16m

Seattle/Tacoma Intl

Thu 8/1

8:00 p.m.-10:23 a.m.

2 stops11h 23m

C$ 517

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/11

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$ 285). Flying from Montreal to State of Washington in December is currently the most expensive (average of C$ 702). 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 19 November 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.

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 19 November 2025.
Check out reviews from past customers who have flown with United Airlines,American 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.
United Airlines
7.4
Good
9,019 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,019 reviews
United Airlines
7.4
Good
9,019 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,045 reviews
United Airlines
7.4
Good
9,019 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
WestJet
7.2
Good
3,163 reviews
United Airlines
7.4
Good
9,019 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,462 reviews
United Airlines
7.4
Good
9,019 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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$ 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$ 299 and C$ 301, 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 - Portland, Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl 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$ 1,059. On average you can expect to pay C$ 1,325. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Portland), can usually be booked for C$ 501.

  • 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$ 285). Flying from Montreal to State of Washington in December is currently the most expensive (average of C$ 702). 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 19 November 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 285AverageC$ 576FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 373AverageC$ 560FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 463AverageC$ 568FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 508AverageC$ 705FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 543AverageC$ 739FlexibilityNo 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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