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$110+ Cheap flights from Seattle (SEA) 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YMQ
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Montreal are usually found in May or September, booked 85 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Seattle to Montreal

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Montreal (YMQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Kiwi.com)

One-way from

$110
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$570
Provider with most accurate pricing for Seattle/Tacoma Intl-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Montreal (YMQ) flights.
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From Seattle/Tacoma Intl to Montreal (YMQ)
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One-way flight from Seattle/Tacoma Intl to Montreal (YMQ)
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High demand for flights, 4% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Seattle to Montreal

Cheapest flights from Seattle to Montreal
Explore the most affordable flight options available from Seattle to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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 3/37:47 pmSEA - YUL
1 stop17h 48mMultiple Airlines
Mon 3/106:35 pmYUL - SEA
1 stop19h 17mMultiple Airlines
Deal found 1/20$309
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Wed 6/42:05 pmSEA - YUL
1 stop7h 38mWestJet
Wed 6/117:00 amYUL - SEA
1 stop9h 08mWestJet
Deal found 1/20$349
This Delta deal was found by Cheapflights users on 1/19. 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.
Thu 1/3012:00 pmSEA - YUL
1 stop8h 36mDelta
Sat 2/12:50 pmYUL - SEA
1 stop10h 17mDelta
Deal found 1/19$490
This Kissandfly.com deal was found by Cheapflights users on 1/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/312:40 amSEA - YUL
2 stops11h 40mAlaska Airlines
Tue 3/117:55 amYUL - SEA
2 stops17h 05mAlaska Airlines
Deal found 1/20$498
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/307:11 amSEA - YUL
1 stop12h 34mAmerican Airlines
Sat 2/17:30 amYUL - SEA
2 stops15h 30mAmerican Airlines
Deal found 1/19$500
This Kissandfly.com deal was found by Cheapflights users on 1/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:59 amSEA - YUL
2 stops12h 51mBritish Airways
Thu 3/133:45 pmYUL - SEA
1 stop10h 24mBritish Airways
Deal found 1/20$529
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/15:45 amSEA - YUL
2 stops11h 39mAir Canada
Sat 6/141:30 pmYUL - SEA
2 stops11h 43mAir Canada
Deal found 1/20$556

Find flights from Seattle to Montreal within your budget

Customize your flight search to find flights from Seattle 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 January 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 3/3

7:47 pm-4:35 pm

1 stop17h 48m

Montreal Pierre Elliott Trudeau Intl

Mon 3/10

6:35 pm-10:52 am

1 stop19h 17m

$309

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 6/4

2:05 pm-12:43 am

1 stop7h 38m

Montreal Pierre Elliott Trudeau Intl

Wed 6/11

7:00 am-1:08 pm

1 stop9h 08m

$349

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Thu 1/30

12:00 pm-11:36 pm

1 stop8h 36m

Montreal Pierre Elliott Trudeau Intl

Sat 2/1

2:50 pm-10:07 pm

1 stop10h 17m

$490

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 3/3

12:40 am-3:20 pm

2 stops11h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

7:55 am-10:00 pm

2 stops17h 05m

$498

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Thu 1/30

7:11 am-10:45 pm

1 stop12h 34m

Montreal Pierre Elliott Trudeau Intl

Sat 2/1

7:30 am-8:00 pm

2 stops15h 30m

$500

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 3/5

12:59 am-4:50 pm

2 stops12h 51m

Montreal Pierre Elliott Trudeau Intl

Thu 3/13

3:45 pm-11:09 pm

1 stop10h 24m

$529

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sun 6/1

5:45 am-8:24 pm

2 stops11h 39m

Montreal Pierre Elliott Trudeau Intl

Wed 6/11

1:30 pm-10:13 pm

2 stops11h 43m

$556

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 2/10

5:16 pm-4:35 pm

1 stop20h 19m

$110

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Thu 3/6

11:30 am-12:30 pm

3 stops22h 00m

$194

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 2/11

5:30 am-11:22 pm

2 stops14h 52m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 13 results
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Compare providers for flights from Seattle to Montreal

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Montreal in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Montreal flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Montreal flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Montreal

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

Travel insights for flights from Seattle to Montreal

Get recent, data-driven insights about flights from Seattle to Montreal including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Montreal?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Montreal. Price data was last updated on January 17, 2025.

The price you pay for your flight from Seattle to Montreal may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Montreal?

Currently, January is the cheapest month in which you can book a flight from Seattle to Montreal (average of $270). Flying from Seattle to Montreal in July is currently the most expensive (average of $409). 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 SEA to YMQ?

Find hourly flight availability from Seattle 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 January 20, 2025.

It’s typically best to fly out from Seattle to Montreal in the afternoon. Doing so could potentially save you 51% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Seattle to Montreal?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Montreal. Price data was last updated on November 10, 2024.

Travelers seeking maximum savings on their Seattle to Montreal flight should consider departing on Sunday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Montreal by month

Plan your trip to Montreal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Montreal when rainfall is around 2.5 in.

Temperature in Montreal by month

Plan your trip to Montreal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Montreal

Get insights into the airlines that provide service to Montreal. 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 Montreal. Reviews last updated January 20, 2025.
Alaska Airlines
8.0
Very good
9,696 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines
8.0
Very good
9,696 reviews
Alaska Airlines
8.0
Very good
9,696 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

Seats were not that comfy especially for someone with big hips 😥

Delta
8.0
Very good
8,521 reviews
Alaska Airlines
8.0
Very good
9,696 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

Seats were not that comfy especially for someone with big hips 😥

United Airlines
7.4
Good
8,982 reviews
Alaska Airlines
8.0
Very good
9,696 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

Seats were not that comfy especially for someone with big hips 😥

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,696 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

Seats were not that comfy especially for someone with big hips 😥

WestJet
7.2
Good
2,828 reviews
Alaska Airlines
8.0
Very good
9,696 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to Montreal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Montreal?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Montreal. On average, Seattle/Tacoma Intl has 0 outbound flights to Montreal per day from 5 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • What are the cheapest airlines flying from Seattle to Montreal round-trip?

    Our cheapest airline available from Seattle to Montreal is WestJet. Our recent data shows that you can find tickets from as low as $349 on this airline. Additional options worth looking into are Delta and Alaska Airlines, starting at $490 and $498 round-trip. WestJet is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Montreal one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $194. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Seattle to Montreal for a low price.

  • What are the cheapest flights from Seattle to Montreal?

    Looking for the cheapest flight from Seattle to Montreal? While on average our users pay $853, our data indicates the cheapest price to be $196. The most popular route (Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl), is priced around $354.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Montreal?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Montreal (average of $270). Flying from Seattle to Montreal in July is currently the most expensive (average of $409). 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.

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Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Seattle to Montreal

Discover the top 5 airlines that operate flights from Seattle 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 January 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$261Average$607FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$270Average$622FlexibilityNo cancel feeOn-time69%
DeltaCheapest$272Average$587FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$283Average$441FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$483Average$686FlexibilityNo cancel feeOn-time71%
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