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$84+ Cheap flights from Seattle (SEA) to Toronto (YTO)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTO
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Toronto are usually found in June or January, booked 68 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Toronto (YTO). 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 July 25, 2024.

Popular in

December

Cheapest in

June

Round-trip from

$207
(Kiwi.com)

One-way from

$84
(Kiwi.com)
High demand for flights, 10% potential price rise
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Best time to find cheap flights, 12% potential price drop
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From Seattle/Tacoma Intl to Toronto (YTO)
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One-way flight from Seattle/Tacoma Intl to Toronto (YTO)
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What is the cheapest day to fly round-trip from Seattle to Toronto?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 23% when planning your travel around this day of the week.

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

Travelers have found it’s best to book a flight 50 days in advance to save up to 69% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 50 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Toronto 1-2 weeks in advance for as low as $624, or $624 for flights within the next 24 hours.

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

Flights from Seattle to Toronto lean towards being more expensive in December. Prices are generally better when you fly from Seattle to Toronto in June, with the cheapest ticket starting at $212.

What is the cheapest time of day to fly from SEA to YTO?

A simple way to save on the total cost of your ticket is to fly from Seattle to Toronto in the afternoon. If you’re flexible enough to do this you can expect to save up to 53% on your trip compared to booking a flight in the evening.

Cheap Seattle to Toronto flights in July & August 2024

Find cheap flight options from Seattle to Toronto specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
Scroll through some of the best deals on flights from Seattle to Toronto in 2024. Check back soon for alternative fares.
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 8/153:30 pmSEA - YYZ
1 stop11h 03mMultiple Airlines
Wed 8/2812:00 pmYYZ - SEA
2 stops11h 21mMultiple Airlines
Deal found 7/25$253
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 8/153:30 pmSEA - YYZ
1 stop11h 03mMultiple Airlines
Thu 8/297:40 amYYZ - SEA
1 stop10h 06mMultiple Airlines
Deal found 7/25$255
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 8/153:30 pmSEA - YYZ
1 stop11h 03mMultiple Airlines
Thu 8/2912:00 pmYYZ - SEA
2 stops11h 21mMultiple Airlines
Deal found 7/25$256
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 8/153:30 pmSEA - YYZ
1 stop11h 03mMultiple Airlines
Mon 8/268:00 pmYYZ - SEA
1 stop21h 03mMultiple Airlines
Deal found 7/25$257
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 8/153:30 pmSEA - YYZ
1 stop11h 03mMultiple Airlines
Wed 8/2811:15 amYYZ - SEA
1 stop15h 55mMultiple Airlines
Deal found 7/25$258
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 8/153:30 pmSEA - YYZ
1 stop11h 03mMultiple Airlines
Sun 8/256:30 amYYZ - SEA
1 stop9h 26mMultiple Airlines
Deal found 7/25$261
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/277:00 amSEA - YYZ
2 stops11h 00mWestJet
Thu 8/297:40 amYYZ - SEA
1 stop10h 06mWestJet
Deal found 7/25$264
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 8/227:00 amSEA - YYZ
1 stop7h 19mWestJet
Thu 8/2912:00 pmYYZ - SEA
2 stops11h 21mWestJet
Deal found 7/25$267
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/303:30 pmSEA - YYZ
1 stop11h 03mMultiple Airlines
Mon 9/27:55 amYYZ - SEA
1 stop9h 51mMultiple Airlines
Deal found 7/25$268

Seattle to Toronto 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Toronto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Scroll through some of the best deals on flights from Seattle to Toronto in 2024. Check back soon for alternative fares.
This Trip.com deal was found by Cheapflights users on 7/25. 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.
Fri 9/137:00 amSEA - YYZ
2 stops11h 00mWestJet
Sun 9/158:00 amYYZ - SEA
1 stop9h 48mWestJet
Deal found 7/25$199
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/1012:44 pmSEA - YYZ
1 stop14h 59mMultiple Airlines
Tue 9/248:00 pmYYZ - SEA
1 stop18h 44mMultiple Airlines
Deal found 7/25$208
This Trip.com deal was found by Cheapflights users on 7/25. 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.
Fri 9/131:50 pmSEA - YYZ
1 stop7h 26mWestJet
Sun 9/158:00 amYYZ - SEA
1 stop9h 48mWestJet
Deal found 7/25$222
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/412:44 pmSEA - YYZ
1 stop14h 59mMultiple Airlines
Sun 9/88:00 amYYZ - SEA
1 stop9h 46mMultiple Airlines
Deal found 7/25$226
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/114:05 pmSEA - YYZ
1 stop11h 38mMultiple Airlines
Wed 9/258:00 pmYYZ - SEA
1 stop18h 44mMultiple Airlines
Deal found 7/25$231
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/42:35 pmSEA - YYZ
1 stop13h 08mMultiple Airlines
Sat 9/712:00 pmYYZ - SEA
2 stops11h 21mMultiple Airlines
Deal found 7/25$233
This JustFly deal was found by Cheapflights users on 7/25. 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 JustFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/47:00 amSEA - YYZ
2 stops11h 00mWestJet
Sun 9/88:00 amYYZ - SEA
1 stop9h 46mWestJet
Deal found 7/25$238
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 10/171:50 pmSEA - YYZ
1 stop13h 45mMultiple Airlines
Tue 10/2212:20 pmYYZ - SEA
1 stop9h 41mMultiple Airlines
Deal found 7/25$240
This JustFly deal was found by Cheapflights users on 7/25. 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 JustFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/61:50 pmSEA - YHM
1 stop7h 25mWestJet
Thu 9/126:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 7/25$240

Seattle to Toronto flights leaving soon

Find last-minute flight options from Seattle to Toronto 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 2,752,877 searches. Data last updated July 25, 2024.
Have a look at some of the flights available from Seattle to Toronto departing last-minute. It's wise to confirm all flight details are correct before booking.
This Trip.com deal was found by Cheapflights users on 7/24. 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 8/87:00 amSEA - YYZ
1 stop13h 16mWestJet
Thu 8/153:45 pmYYZ - SEA
1 stop7h 36mWestJet
Deal found 7/24$296
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/77:00 amSEA - YYZ
2 stops19h 45mWestJet
Tue 8/132:30 pmYYZ - SEA
1 stop8h 51mWestJet
Deal found 7/24$297
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/87:00 amSEA - YYZ
1 stop13h 16mWestJet
Tue 8/132:30 pmYYZ - SEA
1 stop8h 51mWestJet
Deal found 7/24$311
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/77:00 amSEA - YYZ
1 stop12h 46mWestJet
Tue 8/132:30 pmYYZ - SEA
1 stop8h 51mWestJet
Deal found 7/24$313
This Trip.com deal was found by Cheapflights users on 7/24. 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 8/87:00 amSEA - YYZ
1 stop13h 16mWestJet
Wed 8/1410:20 pmYYZ - SEA
1 stop25h 01mWestJet
Deal found 7/24$324
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/77:00 amSEA - YYZ
1 stop25h 55mMultiple Airlines
Tue 8/132:30 pmYYZ - SEA
1 stop8h 51mMultiple Airlines
Deal found 7/23$326
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/87:00 amSEA - YYZ
1 stop13h 16mWestJet
Sun 8/258:00 amYYZ - SEA
1 stop12h 21mWestJet
Deal found 7/24$327
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/87:00 amSEA - YYZ
1 stop13h 16mWestJet
Mon 8/127:40 amYYZ - SEA
2 stops12h 41mWestJet
Deal found 7/24$331
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/87:00 amSEA - YYZ
1 stop14h 16mMultiple Airlines
Sat 8/1012:00 pmYYZ - SEA
2 stops15h 35mMultiple Airlines
Deal found 7/24$335

One-way flights to Toronto from Seattle

Search for one-way flight options from Seattle to Toronto. 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 2,752,877 searches. Data last updated July 25, 2024.
Users traveling one-way from Seattle to Toronto can select one of these great deals. Those seeking round-trip flights from Seattle to Toronto should utilize the search form at the the top of the page.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 9/169:20 pmSEA - YYZ
1 stop22h 23mMultiple Airlines
Deal found 7/24$84
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/102:35 pmSEA - YYZ
1 stop13h 08mMultiple Airlines
Deal found 7/25$91
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/159:20 pmSEA - YYZ
1 stop30h 17mMultiple Airlines
Deal found 7/25$102
This JustFly deal was found by Cheapflights users on 7/25. 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 JustFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/157:00 amSEA - YYZ
2 stops13h 01mWestJet
Deal found 7/25$105
This JustFly deal was found by Cheapflights users on 7/25. 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 JustFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/107:00 amSEA - YKF
1 stop7h 23mWestJet
Deal found 7/25$105
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/123:30 pmSEA - YYZ
1 stop11h 03mMultiple Airlines
Deal found 7/24$107
This Trip.com deal was found by Cheapflights users on 7/25. 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.
Sun 9/157:00 amSEA - YHM
1 stop7h 13mWestJet
Deal found 7/25$109
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/105:30 amSEA - YYZ
2 stops22h 13mMultiple Airlines
Deal found 7/25$113
This oojo deal was found by Cheapflights users on 7/24. 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 8/297:00 amSEA - YYZ
2 stops11h 00mWestJet
Deal found 7/24$116

Find flights from Seattle to Toronto within your budget

Customize your flight search to find flights from Seattle to Toronto 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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$207 - $381

Route

Depart

Return

Price

Seattle/Tacoma IntlToronto Pearson Intl

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 9/10

1 stop13h 08m

Toronto Pearson Intl

Wed 9/11

1 stop20h 35m

$207

Seattle/Tacoma IntlToronto Pearson Intl

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 9/10

1 stop14h 59m

Toronto Pearson Intl

Tue 9/24

1 stop18h 44m

$208

Seattle/Tacoma IntlToronto Pearson Intl

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 10/2

1 stop13h 02m

Toronto Pearson Intl

Mon 10/7

1 stop20h 35m

$220

Seattle/Tacoma IntlToronto Pearson Intl

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 9/11

1 stop11h 38m

Toronto Pearson Intl

Wed 9/25

1 stop18h 44m

$231

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 9/5

1 stop7h 23m

Toronto Kitchener-Waterloo

Thu 9/12

1 stop9h 41m

$243

Seattle/Tacoma IntlToronto Pearson Intl

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Thu 9/5

1 stop11h 15m

Toronto Pearson Intl

Thu 9/12

1 stop9h 46m

$249

Seattle/Tacoma IntlToronto Pearson Intl

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 8/20

1 stop7h 19m

Toronto Pearson Intl

Tue 8/27

1 stop7h 56m

$268

Seattle/Tacoma IntlToronto Pearson Intl

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sat 9/7

Nonstop4h 30m

Toronto Pearson Intl

Mon 9/16

Nonstop5h 22m

$343

Seattle/Tacoma IntlToronto Pearson Intl

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 9/16

1 stop7h 11m

Toronto Pearson Intl

Sat 9/21

Nonstop5h 21m

$381

Flights are sorted by cheapest first

Deals found on 7/24

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Toronto. Price data was last updated on July 23, 2024.
Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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What is the cheapest day to fly from Seattle to Toronto?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Toronto. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Toronto flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Seattle to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto 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 Toronto by month

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

YTO

Temperature

21.2 - 69.8 °F

If weather is an important factor for your trip to Toronto, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated July 25, 2024.
Peruse reviews from past customers who have flown with WestJet, Air Canada and Alaska Airlines from Seattle to Toronto to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

Alaska Airlines
8.1
Very good
9,365 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

Delta
8.0
Very good
9,630 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

Porter Airlines
7.6
Good
344 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

WestJet
7.4
Good
2,761 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Crew

8.6

Reviews

1 / 10

There was no announcement to close your windows and were turning out the lights!.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Toronto. 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 Toronto?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Toronto. You should not have trouble finding flights to Toronto from Seattle/Tacoma Intl; the airport handles an average of 2 outbound flights to Toronto per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Seattle airport to Toronto. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • Can I find flights from Seattle to Toronto for under $300 on Cheapflights?

    Yes, there are multiple flights from Seattle to Toronto for under $300. The cheapest flight booked recently is on Multiple Airlines for just $207, but on average you can expect to pay $240.

  • Are there nonstop flights from Seattle to Toronto for under $400 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seattle to Toronto under $400. A good price for a nonstop flight from Seattle to Toronto is less than $429.

  • Are there last-minute flights available from Seattle to Toronto for under $300?

    There are currently 20+ open flights from Seattle to Toronto within the next 7 days for less than $300.

  • What is the cheapest airline to fly from Seattle to Toronto round-trip?

    Currently priced at $243, WestJet will fly you from Seattle to Toronto and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. You may be able to fly from Seattle to Toronto for 57% less than the average price by searching for this airline.

  • What are the most popular routes from Seattle to Toronto?

    When deciding which route to take from Seattle to Toronto consider Seattle/Tacoma Intl - Toronto Pearson Intl, Seattle/Tacoma Intl - Hamilton or Seattle/Tacoma Intl - Toronto Kitchener-Waterloo as they are the most popular.

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

    Consider Alaska Airlines (80%), Brussels Airlines (32%) or Air Canada (31%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Toronto.

  • What are the cheapest flights from Seattle to Toronto?

    On average you can expect to pay $1,005 for a flight from Seattle to Toronto. The cheapest flight overall is $137 while the most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl) is currently priced at $207.

  • What does SEA to YYZ mean?

    Great question - SEA to YYZ just means Seattle/Tacoma Intl Airport to Toronto Pearson Intl Airport. Now you’ll know what these unique codes when you look for flights! Toronto Island Airport (YTZ), Hamilton Airport (YHM), Toronto Kitchener-Waterloo Airport (YKF) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring on your Seattle to Toronto 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 Toronto with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Toronto 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 Toronto that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Toronto 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 Toronto that allow pets onboard?

    Many airlines flying from Seattle to Toronto 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 Toronto?

    Yes, you can often find last-minute deals on Seattle to Toronto 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 Toronto flight deals updated?

    The Seattle to Toronto flight deals you see on this page were last updated on 7/25.

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

    American Airlines, Air Canada and Alaska Airlines are the most popular airlines when flying from Seattle to Toronto.

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Toronto (average of $238). Flying from Seattle to Toronto in August is currently the most expensive (average of $379). 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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Alternative routes for Seattle to Toronto
See prices for flight routes from nearby airports that may be better suited for you.

Seattle to Pearson Intl flights
Seattle to Pierre Elliott Trudeau Intl flights
Seattle to Hamilton flights
Seattle to Kitchener-Waterloo flights
Portland to Pearson Intl flights
Seattle to Toronto Island flights
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Portland to Ottawa flights
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Pasco to Pierre Elliott Trudeau Intl flights
Spokane to Hamilton flights
Seattle to London flights
Walla Walla to Pierre Elliott Trudeau Intl flights
Seattle to Thunder Bay flights
Bellingham to Ottawa flights

Top 6 airlines flying from Seattle to Toronto

Discover the top 6 airlines that operate flights from Seattle to Toronto. 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$188Average$629FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$200Average$499FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$202Average$666FlexibilityNo cancel feeOn-time67%
WestJetCheapest$280Average$605FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$465Average$615FlexibilityNo cancel feeOn-time71%
DeltaCheapest$469Average$592FlexibilityNo cancel feeOn-timeN/A
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Search flights from Seattle to Toronto by cabin class

Find flights from Seattle to Toronto, 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 Toronto

Find hourly flight availability from Seattle to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2024.
0%of flight departuresEarly morningMidnight to 6 am
64%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
36%of flight departuresEvening6 pm to midnight
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6 AM
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Weekly flight availability from Seattle to Toronto

Explore weekly flight availability from Seattle to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 25, 2024.
Sunday3daily flights
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