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Cheap flights from Seattle (SEA) to Montreal (YMQ) from $144

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — YMQ
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Montreal are usually found in May or November, booked 25 days in advance, depart on a Thursday or Tuesday 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 May 28, 2024.

Popular in

July

Cheapest in

May

Round-trip from

$276

One-way from

$213
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 27% potential price drop
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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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What is the cheapest day to fly round-trip from Seattle to Montreal?

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 9% on your flight compared to booking on days when demand is much higher.

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

Find a great deal and save up to 31% by booking at least 26 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle to Montreal within the next two weeks, with the cheapest ticket starting at $250.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, May can be a great choice for travel to Montreal. Flights to Montreal from Seattle in May are about $580 on average during May, but can be found for as low as $203.

When is the cheapest time to fly from Seattle to Montreal (SEA - YMQ)?

It’s typically best to fly out from Seattle to Montreal in the afternoon. Doing so could potentially save you 57% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Air Canada flights from Seattle to Montreal

Explore cheap flight options specifically provided by Air Canada for the route between Seattle and Montreal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Take a look at some of the lowest-priced Air Canada flights heading from Seattle to Montreal. Come back soon if you're not finding the exact deal you're looking for.
Thu 10/177:40 amSEA - YUL
Nonstop5h 07mAir Canada
Thu 10/246:30 pmYUL - SEA
Nonstop5h 45mAir Canada
Deal found 5/27$562
Sun 7/217:40 amSEA - YUL
Nonstop5h 06mAir Canada
Sun 8/44:10 pmYUL - SEA
1 stop8h 48mAir Canada
Deal found 5/26$572
Wed 6/1911:10 pmSEA - YUL
1 stop8h 08mAir Canada
Tue 6/257:30 amYUL - SEA
1 stop8h 00mAir Canada
Deal found 5/26$577
Sat 10/267:40 amSEA - YUL
Nonstop5h 07mAir Canada
Sat 11/26:15 pmYUL - SEA
Nonstop5h 59mAir Canada
Deal found 5/27$580
Sat 10/265:50 amSEA - YUL
1 stop8h 01mAir Canada
Sat 11/26:15 pmYUL - SEA
Nonstop5h 59mAir Canada
Deal found 5/27$585
Wed 6/267:40 amSEA - YUL
Nonstop5h 06mAir Canada
Wed 7/39:10 amYUL - SEA
1 stop16h 10mAir Canada
Deal found 5/27$586
Sat 10/2610:40 amSEA - YUL
1 stop7h 19mAir Canada
Sat 11/27:10 amYUL - SEA
1 stop10h 21mAir Canada
Deal found 5/27$590
Wed 6/261:10 pmSEA - YUL
1 stop8h 27mAir Canada
Wed 7/39:10 amYUL - SEA
1 stop16h 10mAir Canada
Deal found 5/27$591
Fri 6/2811:10 pmSEA - YUL
1 stop9h 03mAir Canada
Fri 7/59:10 amYUL - SEA
1 stop16h 10mAir Canada
Deal found 5/27$597

Cheap United Airlines flights from Seattle to Montreal

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Montreal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from Seattle to Montreal. Check back soon if you're not seeing flights that suit your needs.
Mon 6/177:40 amSEA - YUL
Nonstop5h 16mUnited Airlines
Sun 6/236:30 pmYUL - SEA
Nonstop5h 55mUnited Airlines
Deal found 5/27$564
Thu 6/205:05 pmSEA - YUL
1 stop17h 07mUnited Airlines
Tue 6/256:30 pmYUL - SEA
Nonstop5h 55mUnited Airlines
Deal found 5/28$571
Sat 6/87:40 amSEA - YUL
Nonstop5h 16mUnited Airlines
Sat 6/156:15 amYUL - SEA
1 stop19h 08mUnited Airlines
Deal found 5/27$888

Cheap Seattle to Montreal flights in May & June 2024

Find cheap flight options from Seattle to Montreal specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 28, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to Montreal in 2024. For more flight deals, be sure to check back very soon.
Wed 6/195:55 pmSEA - YUL
1 stop16h 04mSun Country Air
Sun 6/238:00 amYUL - SEA
1 stop27h 06mSun Country Air
Deal found 5/27$434
Thu 5/3012:45 pmSEA - YUL
1 stop20h 55mSun Country Air
Sun 6/23:15 pmYUL - SEA
1 stop19h 30mSun Country Air
Deal found 5/27$454
Mon 6/109:49 pmSEA - YUL
2 stops41h 11mMultiple Airlines
Thu 6/137:00 amYUL - SEA
1 stop8h 56mMultiple Airlines
Deal found 5/28$460
Sun 6/27:00 amSEA - YUL
1 stop10h 25mMultiple Airlines
Wed 6/121:55 pmYUL - SEA
2 stops26h 01mMultiple Airlines
Deal found 5/28$469
Wed 6/267:00 amSEA - YUL
3 stops14h 33mMultiple Airlines
Wed 7/38:55 amYUL - SEA
2 stops14h 14mMultiple Airlines
Deal found 5/27$470
Sun 6/27:00 amSEA - YUL
1 stop10h 25mMultiple Airlines
Fri 6/71:55 pmYUL - SEA
2 stops33h 25mMultiple Airlines
Deal found 5/27$471
Sun 6/27:00 amSEA - YUL
1 stop10h 25mMultiple Airlines
Fri 6/71:55 pmYUL - SEA
1 stop7h 49mMultiple Airlines
Deal found 5/27$473
Wed 6/267:00 amSEA - YUL
2 stops14h 33mMultiple Airlines
Wed 7/38:55 amYUL - SEA
2 stops14h 14mMultiple Airlines
Deal found 5/27$477
Wed 6/195:55 pmSEA - YUL
1 stop16h 04mMultiple Airlines
Sun 6/239:15 pmYUL - SEA
2 stops18h 41mMultiple Airlines
Deal found 5/27$478

Seattle to Montreal 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Montreal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to Montreal in 2024. For more flight deals, be sure to check back very soon.
Wed 7/105:15 pmSEA - YUL
1 stop18h 25mMultiple Airlines
Wed 7/177:00 amYUL - SEA
1 stop8h 59mMultiple Airlines
Deal found 5/27$413
Wed 7/245:15 pmSEA - YUL
1 stop18h 25mMultiple Airlines
Mon 7/2911:45 amYUL - SEA
1 stop14h 08mMultiple Airlines
Deal found 5/26$418
Wed 7/105:15 pmSEA - YUL
1 stop18h 25mMultiple Airlines
Sat 7/132:20 pmYUL - SEA
2 stops25h 36mMultiple Airlines
Deal found 5/27$419
Thu 7/115:15 pmSEA - YUL
1 stop18h 25mMultiple Airlines
Wed 7/171:55 pmYUL - SEA
2 stops26h 01mMultiple Airlines
Deal found 5/27$420
Thu 7/115:15 pmSEA - YUL
1 stop18h 25mMultiple Airlines
Wed 7/177:00 amYUL - SEA
1 stop8h 56mMultiple Airlines
Deal found 5/27$427
Thu 8/111:59 pmSEA - YUL
1 stop7h 46mSun Country Air
Mon 8/511:45 amYUL - SEA
1 stop14h 08mSun Country Air
Deal found 5/27$429
Wed 7/245:15 pmSEA - YUL
1 stop18h 25mMultiple Airlines
Tue 7/307:00 amYUL - SEA
1 stop8h 56mMultiple Airlines
Deal found 5/26$430
Wed 6/195:55 pmSEA - YUL
1 stop16h 04mSun Country Air
Sun 6/238:00 amYUL - SEA
1 stop27h 06mSun Country Air
Deal found 5/27$434
Thu 7/115:15 pmSEA - YUL
1 stop18h 25mMultiple Airlines
Tue 7/162:20 pmYUL - SEA
2 stops25h 36mMultiple Airlines
Deal found 5/27$435

Non-stop flights to Montreal from Seattle

Discover non-stop flight options from Seattle to Montreal. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
If you're seeking options on non-stop flights from Seattle to Montreal, check out these fares. If you're looking for other options for flights from Seattle to Montreal, make sure to update the search form at the top of page.
Tue 6/187:40 amSEA - YUL
Nonstop5h 06mAir Canada
Thu 6/206:30 pmYUL - SEA
Nonstop5h 55mAir Canada
Deal found 5/27$562
Mon 6/177:40 amSEA - YUL
Nonstop5h 16mUnited Airlines
Sun 6/236:30 pmYUL - SEA
Nonstop5h 55mUnited Airlines
Deal found 5/27$564
Fri 8/27:40 amSEA - YUL
Nonstop5h 06mAir Canada
Tue 8/66:30 pmYUL - SEA
Nonstop5h 55mAir Canada
Deal found 5/27$683
Thu 8/227:40 amSEA - YUL
Nonstop5h 06mAir Canada
Mon 8/266:30 pmYUL - SEA
Nonstop5h 55mAir Canada
Deal found 5/27$707
Sun 6/167:40 amSEA - YUL
Nonstop5h 16mAir Canada
Sun 6/236:30 pmYUL - SEA
Nonstop5h 55mAir Canada
Deal found 5/28$715
Tue 8/137:40 amSEA - YUL
Nonstop5h 06mAir Canada
Tue 8/276:30 pmYUL - SEA
Nonstop5h 55mAir Canada
Deal found 5/27$778
Mon 7/227:40 amSEA - YUL
Nonstop5h 06mAir Canada
Thu 8/16:30 pmYUL - SEA
Nonstop5h 55mAir Canada
Deal found 5/26$786
Wed 8/217:40 amSEA - YUL
Nonstop5h 06mAir Canada
Wed 8/286:30 pmYUL - SEA
Nonstop5h 55mAir Canada
Deal found 5/27$791
Wed 8/77:40 amSEA - YUL
Nonstop5h 06mAir Canada
Wed 8/146:30 pmYUL - SEA
Nonstop5h 55mAir Canada
Deal found 5/27$805

Seattle to Montreal flights leaving soon

Find last-minute flight options from Seattle to Montreal for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Book one of these great deals on flights from Seattle to Montreal. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Thu 5/3012:45 pmSEA - YUL
1 stop20h 55mSun Country Air
Sun 6/23:15 pmYUL - SEA
1 stop19h 30mSun Country Air
Deal found 5/27$454
Sun 6/27:00 amSEA - YUL
1 stop10h 25mMultiple Airlines
Wed 6/121:55 pmYUL - SEA
2 stops26h 01mMultiple Airlines
Deal found 5/28$469
Sun 6/27:00 amSEA - YUL
1 stop10h 25mMultiple Airlines
Fri 6/71:55 pmYUL - SEA
2 stops33h 25mMultiple Airlines
Deal found 5/27$471
Sun 6/27:00 amSEA - YUL
1 stop10h 25mMultiple Airlines
Fri 6/71:55 pmYUL - SEA
1 stop7h 49mMultiple Airlines
Deal found 5/27$473
Thu 6/67:00 amSEA - YUL
1 stop10h 25mMultiple Airlines
Sat 6/87:00 amYUL - SEA
1 stop8h 56mMultiple Airlines
Deal found 5/28$484
Fri 6/73:30 pmSEA - YUL
1 stop22h 21mWestJet
Tue 6/117:00 amYUL - SEA
1 stop8h 56mWestJet
Deal found 5/27$490
Sun 6/27:00 amSEA - YUL
1 stop10h 25mMultiple Airlines
Sat 6/87:00 amYUL - SEA
1 stop8h 56mMultiple Airlines
Deal found 5/28$501
Sun 6/27:00 amSEA - YUL
1 stop10h 25mMultiple Airlines
Tue 6/114:40 pmYUL - SEA
2 stops18h 52mMultiple Airlines
Deal found 5/28$507
Fri 6/77:00 amSEA - YUL
1 stop10h 25mMultiple Airlines
Sun 6/97:50 pmYUL - SEA
2 stops20h 06mMultiple Airlines
Deal found 5/27$519

One-way flights to Montreal from Seattle

Search for one-way flight options from Seattle to Montreal. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Users in need of a one-way flight from Seattle to Montreal can choose from these deals. Users in need of a round-trip flight from Seattle to Montreal instead should update the search form at the top of page.
Wed 9/45:00 pmSEA - YUL
1 stop18h 40mMultiple Airlines
Deal found 5/27$144
Wed 7/175:15 pmSEA - YUL
1 stop18h 25mMultiple Airlines
Deal found 5/27$149
Thu 9/55:00 pmSEA - YUL
1 stop18h 40mMultiple Airlines
Deal found 5/27$161
Fri 6/1411:59 pmSEA - YUL
1 stop17h 01mSun Country Air
Deal found 5/28$178
Fri 6/77:00 amSEA - YUL
1 stop10h 25mMultiple Airlines
Deal found 5/27$188
Thu 8/85:15 pmSEA - YUL
1 stop18h 25mMultiple Airlines
Deal found 5/27$189
Wed 7/39:28 amSEA - YUL
2 stops26h 12mMultiple Airlines
Deal found 5/28$190
Sun 7/213:30 pmSEA - YUL
1 stop18h 40mMultiple Airlines
Deal found 5/27$192
Thu 10/35:00 pmSEA - YUL
1 stop18h 40mMultiple Airlines
Deal found 5/28$194

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 2,696,634 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$413 - $574

Route

Depart

Return

Price

Seattle/Tacoma IntlMontreal Pierre Elliott Trudeau Intl

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 7/10

1 stop18h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 7/17

1 stop8h 59m

$413

Seattle/Tacoma IntlMontreal Pierre Elliott Trudeau Intl

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 7/24

1 stop18h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 7/29

1 stop14h 08m

$418

Seattle/Tacoma IntlMontreal Pierre Elliott Trudeau Intl

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Thu 8/1

1 stop7h 46m

Montreal Pierre Elliott Trudeau Intl

Mon 8/5

1 stop14h 08m

$429

Seattle/Tacoma IntlMontreal Pierre Elliott Trudeau Intl

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 6/19

1 stop16h 04m

Montreal Pierre Elliott Trudeau Intl

Sun 6/23

1 stop27h 06m

$434

Seattle/Tacoma IntlMontreal Pierre Elliott Trudeau Intl

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 7/10

2 stops10h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 7/17

1 stop8h 59m

$461

Seattle/Tacoma IntlMontreal Pierre Elliott Trudeau Intl

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Fri 8/30

2 stops11h 01m

Montreal Pierre Elliott Trudeau Intl

Tue 9/3

2 stops11h 59m

$496

Seattle/Tacoma IntlMontreal Pierre Elliott Trudeau Intl

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Thu 10/17

Nonstop5h 07m

Montreal Pierre Elliott Trudeau Intl

Thu 10/24

Nonstop5h 45m

$562

Seattle/Tacoma IntlMontreal Pierre Elliott Trudeau Intl

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 6/17

Nonstop5h 16m

Montreal Pierre Elliott Trudeau Intl

Sun 6/23

Nonstop5h 55m

$564

Seattle/Tacoma IntlMontreal Pierre Elliott Trudeau Intl

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 7/10

1 stop10h 36m

Montreal Pierre Elliott Trudeau Intl

Tue 7/16

1 stop11h 25m

$574

Flights are sorted by cheapest first

Deals found on 5/27

When is the best time to 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 May 24, 2024.
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 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time 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 May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Montreal flight should consider departing on Friday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Montreal by month

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

YMQ

Temperature

15.8 - 71.6 °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 May 28, 2024.
To help decide which airline to fly from Seattle to Montreal, see what other customers have to say about Air Canada, United Airlines and Sun Country Air. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,476 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,476 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

WestJet
7.5
Good
2,871 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,799 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,316 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Sun Country Air
7.2
Good
597 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Overall

8.0

Food

7.4

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.

  • Can I find flights from Seattle to Montreal for under $500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Montreal for under $500. The cheapest flight booked recently is on Multiple Airlines for just $413, but on average you can expect to pay $443.

  • Are there nonstop flights from Seattle to Montreal for under $600 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seattle to Montreal under $600. A good price for a nonstop flight from Seattle to Montreal is less than $837.

  • Are there last-minute flights available from Seattle to Montreal for under $500?

    There are currently 20+ open flights from Seattle to Montreal within the next 7 days for less than $500.

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

    Our cheapest airline available from Seattle to Montreal is Sun Country Air. Our recent data shows that you can find tickets from as low as $429 on this airline. An additional option worth looking into is WestJet, starting at $461. Sun Country Air is priced at 26% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Seattle to Montreal?

    The top 3 most reliable airlines when flying from Seattle to Montreal are Air Canada (83%), United Airlines (83%) and Sun Country Air (0%).

  • What are the cheapest flights from Seattle to Montreal?

    Looking for the cheapest flight from Seattle to Montreal? While on average our users pay $2,135, our data indicates the cheapest price to be $254. The most popular route (Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl), is priced around $411.

  • What does SEA to YUL mean?

    Seattle/Tacoma Intl Airport is SEA and Montreal Pierre Elliott Trudeau Intl Airport is YUL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Montreal St Hubert Airport (YHU).

  • Can I find deals for flights from Seattle to Montreal that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Montreal flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Montreal with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Montreal flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Seattle to Montreal that allow pets onboard?

    Many airlines flying from Seattle to Montreal offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Montreal?

    Yes, you can often find last-minute deals on Seattle to Montreal flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Montreal flight deals updated?

    The Seattle to Montreal flight deals you see on this page were last updated on 5/27.

  • What are the most popular airlines that fly from Seattle to Montreal?

    Before booking your flight from Seattle to Montreal check out the most popular airlines for this route: American Airlines, Air Canada or Alaska Airlines.

  • When is the best time to book a flight from Seattle to Montreal?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Montreal (average of $246). Flying from Seattle to Montreal in July is currently the most expensive (average of $444). 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 Seattle to Montreal
See prices for flight routes from nearby airports that may be better suited for you.

Seattle to Pierre Elliott Trudeau Intl flights
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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 2,696,634 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$204Average$547FlexibilityNo cancel feeOn-time67%
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Alaska AirlinesCheapest$292Average$668FlexibilityNo cancel feeOn-time75%
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DeltaCheapest$344Average$584FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest$462Average$669FlexibilityNo cancel feeOn-time69%
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American AirlinesCheapest$512Average$646FlexibilityNo cancel feeOn-time71%
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Search flights from Seattle to Montreal by cabin class

Find flights from Seattle to Montreal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Seattle to Montreal

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 May 28, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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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 Seattle to Montreal?

When you search for this flight from Seattle to Montreal, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Montreal?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Montreal.

Can Cheapflights find flights from Seattle to Montreal with no change fees?

Yes, we can. To see specific flights from Seattle to Montreal with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Montreal become cheaper?

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