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$138+ Cheap flights from Washington to Montreal (YMQ)

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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YMQ
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Washington to Montreal

Cheapest flights from Washington to Montreal
Explore the most affordable flight options available from Washington to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:54 pmSEA - YUL
1 stop17h 33mMultiple Airlines
Wed 1/147:30 pmYUL - SEA
1 stop21h 50mMultiple Airlines
Deal found 10/29$356
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:54 pmSEA - YUL
1 stop17h 33mMultiple Airlines
Mon 1/126:45 amYUL - SEA
2 stops17h 15mMultiple Airlines
Deal found 10/29$370
This flugladen.de deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/93:10 pmSEA - YUL
1 stop12h 55mWestJet
Mon 12/157:30 pmYUL - SEA
1 stop21h 50mWestJet
Deal found 10/29$378
This Trip.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:10 pmSEA - YUL
1 stop12h 55mWestJet
Sun 12/77:30 pmYUL - SEA
1 stop21h 50mWestJet
Deal found 10/28$379
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/711:10 pmSEA - YUL
1 stop14h 17mMultiple Airlines
Wed 12/106:45 amYUL - SEA
2 stops10h 35mMultiple Airlines
Deal found 10/30$381
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:10 pmSEA - YUL
1 stop19h 22mMultiple Airlines
Fri 12/192:30 pmYUL - SEA
2 stops24h 01mMultiple Airlines
Deal found 10/28$390
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:10 pmSEA - YUL
1 stop19h 22mMultiple Airlines
Mon 12/17:30 pmYUL - SEA
1 stop21h 50mMultiple Airlines
Deal found 10/28$393
This oojo deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:10 pmSEA - YUL
1 stop12h 55mWestJet
Tue 12/97:30 pmYUL - SEA
1 stop21h 50mWestJet
Deal found 10/28$395
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:10 pmSEA - YUL
1 stop12h 55mMultiple Airlines
Sat 12/66:45 amYUL - SEA
2 stops12h 51mMultiple Airlines
Deal found 10/30$396
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:10 pmSEA - YUL
1 stop14h 17mMultiple Airlines
Fri 12/57:30 pmYUL - SEA
2 stops17h 52mMultiple Airlines
Deal found 10/30$400
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:35 amPDX - YUL
2 stops13h 46mDelta
Tue 11/2512:50 pmYUL - PDX
1 stop12h 15mDelta
Deal found 10/28$411
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:35 amPDX - YUL
2 stops13h 46mDelta
Mon 11/249:26 amYUL - PDX
2 stops15h 39mDelta
Deal found 10/30$417

Cheap flight deals from Washington to Montreal

Keep the following information in mind while searching for Washington to Montreal flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$275
(Trip.com)

One-way from

$138
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$610

Good round-trip deal

$601 or less

Good one-way deal

$259 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Montreal (YMQ) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Montreal (YMQ) flights.
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From Washington to Montreal (YMQ)
Search Deals
One-way flight from Washington to Montreal (YMQ)
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Washington to Montreal (YMQ).
Search Deals
Price to beat on a one-way flight from Washington to Montreal (YMQ).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Montreal 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 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Washington to Montreal that are best for you.

Fly from

Washington

Fly to

Montreal

Route

Depart

Return

Price

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sun 1/11

3:10 pm-3:12 pm

1 stop21h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

7:30 pm-2:20 pm

1 stop21h 50m

$330

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sun 1/11

3:10 pm-7:05 am

1 stop12h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 1/13

4:15 pm-2:20 pm

1 stop25h 05m

$330

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 11/19

12:35 am-5:21 pm

2 stops13h 46m

Montreal Pierre Elliott Trudeau Intl

Sun 11/23

12:50 pm-10:05 pm

1 stop12h 15m

$411

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 11/19

12:35 am-5:21 pm

2 stops13h 46m

Montreal Pierre Elliott Trudeau Intl

Mon 11/24

12:45 pm-10:21 pm

1 stop12h 36m

$411

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 11/19

12:35 am-5:21 pm

2 stops13h 46m

Montreal Pierre Elliott Trudeau Intl

Tue 11/25

12:50 pm-10:05 pm

1 stop12h 15m

$411

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 1/6

2:10 pm-10:20 am

1 stop17h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

1:10 pm-11:32 am

1 stop25h 22m

$496

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 1/7

2:10 pm-10:20 am

1 stop17h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 1/10

9:25 am-6:14 pm

1 stop11h 49m

$496

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 1/6

2:10 pm-10:20 am

1 stop17h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 1/13

9:25 am-6:14 pm

1 stop11h 49m

$496

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 3/2

11:59 pm-2:00 pm

1 stop11h 01m

Montreal Pierre Elliott Trudeau Intl

Thu 3/5

4:45 pm-6:58 pm

1 stop29h 13m

$496

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 1/6

2:10 pm-10:20 am

1 stop17h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 1/15

9:25 am-10:43 pm

1 stop16h 18m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 30 results
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Best time to book a flight from Washington to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Washington 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 Washington to Montreal

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

Currently, May is the cheapest month in which you can book a flight from State of Washington to Montreal (average of $205). Flying from State of Washington to Montreal in November is currently the most expensive (average of $317). 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 WA to YMQ?

Find hourly flight availability from Washington to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from State of Washington to Montreal in the afternoon. By choosing this option you can save up to 65% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

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

    Airlines like WestJet, Delta, and United Airlines fly from State of Washington to Montreal in about 13h 46m. The time it takes to get you to your destination can typically vary by up to 7h 16m. State of Washington and Montreal are separated by a distance of 2325 mi. This flight may include one or multiple stops.

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

    $138 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and WestJet, with prices starting from $159 and $172, respectively.

  • What are the most popular routes from State of Washington to Montreal?

    The most popular flight routes from State of Washington to Montreal are Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl, Portland - Montreal Pierre Elliott Trudeau Intl and Pasco Tri Cities - Montreal Pierre Elliott Trudeau Intl.

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

    While on average a flight from State of Washington to Montreal is generally $1,651, our data shows the cheapest flight currently is $259. When looking at the most popular route, (Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $367 for that flight.

  • Can I find deals for flights from Washington to Montreal that include hotel bookings?

    Yes. In addition to deals on Washington to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Montreal.

  • Can I find deals for business class flights from Washington to Montreal?

    Yes. Cheapflights offers flight deals from Washington to Montreal 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 State of Washington to Montreal?

    Currently, May is the cheapest month in which you can book a flight from State of Washington to Montreal (average of $205). Flying from State of Washington to Montreal in November is currently the most expensive (average of $317). 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 Washington to Montreal

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

Discover the top 5 airlines that operate flights from Washington to Montreal. 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 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$207Average$630FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$274Average$608FlexibilityNo cancel feeOn-time67%
WestJetCheapest$289Average$546FlexibilityNo cancel feeOn-time60%
DeltaCheapest$455Average$654FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$493Average$668FlexibilityNo cancel feeOn-time71%

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