Cheap flights from Seattle to Toronto Pearson Intl Airport from C$ 238
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYZ
23 Nov — 30 Nov1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Toronto Pearson Intl are usually found in January or February, booked 65 days in advance, depart on a Thursday or Wednesday and return on a Friday
Cheap flight deals from Seattle to Pearson Intl
Enter your travel dates to find the best prices.
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Best
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One-way
Cheapest flights from Seattle to Pearson Intl
Explore the most affordable flight options available from Seattle to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2026.
Tue 15/122:30 p.m. -
2 stops12h 15m
Fri 18/126:10 a.m. -
1 stop10h 30m
Deal found 22/10C$ 507
Mon 16/112:30 p.m. -
2 stops12h 15m
Thu 7/16:10 a.m. -
1 stop10h 30m
Deal found 22/10C$ 508
Tue 17/112:30 p.m. -
2 stops12h 15m
Tue 24/117:30 a.m. -
1 stop9h 10m
Deal found 21/10C$ 512
Thu 24/122:30 p.m. -
2 stops12h 15m
Thu 31/126:10 a.m. -
1 stop10h 30m
Deal found 21/10C$ 515
Thu 3/122:30 p.m. -
2 stops12h 15m
Wed 9/126:10 a.m. -
1 stop10h 30m
Deal found 20/10C$ 517
Mon 21/122:30 p.m. -
2 stops12h 15m
Tue 5/17:30 a.m. -
1 stop9h 10m
Deal found 21/10C$ 522
Mon 7/122:30 p.m. -
2 stops12h 15m
Mon 14/126:10 a.m. -
1 stop10h 30m
Deal found 23/10C$ 529
Fri 11/122:30 p.m. -
2 stops12h 15m
Mon 14/127:30 a.m. -
1 stop9h 10m
Deal found 21/10C$ 531
Tue 24/112:30 p.m. -
2 stops12h 15m
Tue 1/127:30 a.m. -
1 stop9h 10m
Deal found 19/10C$ 533
Sat 28/112:20 p.m. -
2 stops12h 25m
Tue 1/127:30 a.m. -
1 stop9h 10m
Deal found 19/10C$ 536
Sat 12/122:20 p.m. -
2 stops12h 25m
Tue 15/127:30 a.m. -
1 stop9h 10m
Deal found 20/10C$ 538
Best flights from Seattle to Pearson Intl
Discover carefully curated flight deals from Seattle to Pearson Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 24 October 2026.
Thu 3/128:33 a.m. -
Nonstop4h 32m
Thu 10/125:15 p.m. -
Nonstop5h 41m
Deal found 19/10C$ 704
Sat 20/212:00 p.m. -
1 stop8h 04m
Sat 27/25:15 p.m. -
1 stop7h 50m
Deal found 23/10C$ 739
Sun 29/118:31 a.m. -
Nonstop4h 34m
Wed 2/126:10 a.m. -
1 stop10h 30m
Deal found 19/10C$ 848
Sat 20/21:45 p.m. -
1 stop7h 00m
Sat 27/25:15 p.m. -
Nonstop5h 28m
Deal found 20/10C$ 823
Thu 3/128:59 p.m. -
2 stops11h 11m
Thu 10/126:20 a.m. -
2 stops12h 09m
Deal found 19/10C$ 892
Sun 29/1111:15 p.m. -
1 stop11h 15m
Wed 2/122:25 p.m. -
1 stop10h 39m
Deal found 19/10C$ 896
Fri 6/118:19 a.m. -
Nonstop4h 46m
Wed 25/115:15 p.m. -
Nonstop5h 32m
Deal found 21/10C$ 979
Sun 29/118:58 p.m. -
2 stops8h 57m
Sat 5/127:35 a.m. -
1 stop10h 03m
Deal found 22/10C$ 906
Direct flights from Seattle to Pearson Intl
Explore direct flight options from Seattle to Pearson Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 October 2026.
Sat 28/118:31 a.m. -
Nonstop4h 34m
Sat 5/125:15 p.m. -
Nonstop5h 41m
Deal found 21/10C$ 659
Sat 20/28:21 a.m. -
Nonstop4h 44m
Sat 27/25:15 p.m. -
Nonstop5h 28m
Deal found 22/10C$ 675
Thu 25/28:21 a.m. -
Nonstop4h 44m
Sun 28/25:15 p.m. -
Nonstop5h 28m
Deal found 22/10C$ 683
Sat 5/128:33 a.m. -
Nonstop4h 32m
Fri 11/125:15 p.m. -
Nonstop5h 41m
Deal found 21/10C$ 689
Thu 3/128:33 a.m. -
Nonstop4h 32m
Thu 10/125:15 p.m. -
Nonstop5h 41m
Deal found 19/10C$ 704
Sat 5/128:33 a.m. -
Nonstop4h 32m
Sat 12/126:25 p.m. -
Nonstop5h 34m
Deal found 20/10C$ 759
Thu 3/128:33 a.m. -
Nonstop4h 32m
Thu 10/126:25 p.m. -
Nonstop5h 34m
Deal found 19/10C$ 794
Sun 29/118:31 a.m. -
Nonstop4h 34m
Wed 2/125:15 p.m. -
Nonstop5h 41m
Deal found 19/10C$ 795
Sun 13/128:33 a.m. -
Nonstop4h 32m
Wed 16/125:15 p.m. -
Nonstop5h 41m
Deal found 22/10C$ 797
Mon 7/128:33 a.m. -
Nonstop4h 32m
Mon 14/126:25 p.m. -
Nonstop5h 34m
Deal found 23/10C$ 798
Last-minute flights from Seattle to Pearson Intl
Discover last-minute flight deals from Seattle to Pearson Intl. Data last updated 24 October 2026 and is based on user searches.
Thu 29/103:30 p.m. -
2 stops12h 15m
Mon 7/125:10 p.m. -
1 stop23h 30m
Deal found 21/10C$ 802
Sat 31/103:20 p.m. -
2 stops12h 25m
Tue 3/117:30 a.m. -
1 stop9h 10m
Deal found 21/10C$ 902
Mon 2/112:30 p.m. -
1 stop19h 35m
Thu 5/116:10 a.m. -
1 stop10h 30m
Deal found 19/10C$ 662
Mon 2/1110:50 a.m. -
2 stops17h 01m
Thu 5/117:30 a.m. -
1 stop9h 10m
Deal found 19/10C$ 759
Tue 3/117:45 a.m. -
Nonstop4h 40m
Sun 8/118:05 a.m. -
1 stop9h 32m
Deal found 20/10C$ 610
Tue 3/112:30 p.m. -
2 stops12h 15m
Tue 17/1110:20 p.m. -
1 stop18h 20m
Deal found 23/10C$ 808
One-way flights from Seattle to Pearson Intl
Search for one-way flight options from Seattle to Pearson Intl. Find affordable one-way fares based on user searches. Data last updated 24 October 2026.
Tue 24/112:30 p.m. -
2 stops12h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 20/10C$ 238
Mon 7/121:21 p.m. -
2 stops14h 31m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 23/10C$ 241
Sun 3/12:30 p.m. -
2 stops12h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 21/10C$ 245
Thu 3/122:30 p.m. -
2 stops12h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 20/10C$ 246
Fri 27/119:53 p.m. -
1 stop29h 58m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 20/10C$ 248
Mon 16/112:30 p.m. -
2 stops12h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 23/10C$ 252
Mon 23/112:30 p.m. -
2 stops12h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 23/10C$ 255
Sat 21/112:20 p.m. -
2 stops12h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 23/10C$ 256
Wed 25/112:30 p.m. -
2 stops12h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 21/10C$ 259
Tue 15/122:30 p.m. -
2 stops12h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 19/10C$ 263
Mon 11/110:29 a.m. -
1 stop17h 21m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 20/10C$ 269
Fri 27/112:30 p.m. -
2 stops12h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 20/10C$ 270
Find flight deals from Seattle to Pearson Intl
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Pearson Intl (YYZ). 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 24 October 2026.
Customize your flight search to find flights from Seattle to Pearson Intl 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 7,457,451 searches. Data last updated 24 October 2026.
Use the filters below to find and compare flights from Seattle to Toronto Pearson Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
SeattleToronto
SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl
SEAYYZ
Seattle/Tacoma Intl
Thu 31/12
2:30 p.m.-5:45 a.m.
2 stops12h 15m
Toronto Pearson Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 270
SeattleToronto
SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl
SEAYYZ
Seattle/Tacoma Intl
Wed 6/1
8:29 a.m.-4:05 p.m.
Nonstop4h 36m
Toronto Pearson Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 301
SeattleToronto
SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl
SEAYYZ
Seattle/Tacoma Intl
Wed 25/11
8:31 a.m.-4:05 p.m.
Nonstop4h 34m
Toronto Pearson Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 301
Quickest round-trip
SeattleToronto
SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl
SEAYYZ
Seattle/Tacoma Intl
Wed 30/12
8:33 a.m.-4:05 p.m.
Nonstop4h 32m
Toronto Pearson Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 301
SeattleToronto
SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl
SEAYYZ
Seattle/Tacoma Intl
Sat 5/12
8:33 a.m.-4:05 p.m.
Nonstop4h 32m
Toronto Pearson Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 301
SeattleToronto
SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl
SEAYYZ
Seattle/Tacoma Intl
Tue 15/12
7:15 a.m.-9:56 p.m.
2 stops11h 41m
Toronto Pearson Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 314
SeattleToronto
SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl
SEAYYZ
Seattle/Tacoma Intl
Wed 16/12
7:15 a.m.-9:56 p.m.
2 stops11h 41m
Toronto Pearson Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 314
SeattleToronto
SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl
SEAYYZ
Seattle/Tacoma Intl
Wed 18/11
11:15 p.m.-8:55 a.m.
1 stop6h 40m
Toronto Pearson Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 315
SeattleToronto
SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl
SEAYYZ
Seattle/Tacoma Intl
Fri 20/11
8:31 a.m.-4:05 p.m.
Nonstop4h 34m
Toronto Pearson Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 316
SeattleToronto
SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl
SEAYYZ
Seattle/Tacoma Intl
Fri 1/1
8:33 a.m.-4:05 p.m.
Nonstop4h 32m
Toronto Pearson Intl
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
C$ 316
Flights are sorted by cheapest round-trip flights first.
Deals found on 24/10
Showing 1-10 of 18 resultsSorted by cheapest first
1
2
Best time to book a flight from Seattle to Pearson Intl
Have a flexible travel schedule? Discover the best time to fly to Pearson Intl from Seattle with our price prediction graph.
SEA-YYZ
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 Seattle to Toronto Pearson Intl Airport
Prices
More
How far ahead should I book a flight from Seattle to Toronto Pearson Intl Airport?
The best time to book flights from Seattle to Toronto Pearson Intl Airport is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Seattle to Toronto Pearson Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Seattle to Toronto Pearson Intl Airport (average of C$ 371). Flying from Seattle to Toronto Pearson Intl Airport in December is currently the most expensive (average of C$ 954). 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 YYZ?
Find hourly flight availability from Seattle to Pearson Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 October 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Toronto Pearson Intl Airport as you normally would.
How much does it cost to fly round-trip from Seattle to Toronto Pearson Intl Airport?
Airfare is typical for this route at the moment.
Seattle to Toronto Pearson Intl Airport flights typically cost between C$ 455 and C$ 910 in December.The cheapest round-trip price found within the last 5 days was C$ 507 on WestJet (15 Dec-18 Dec).
What’s the top layover airport for flights from Seattle to Toronto Pearson Intl Airport?
Share of one-stop round-trip flights from Seattle to Toronto Pearson Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Calgary (YYC) – chosen by Cheapflights users on 67% of one-stop itineraries from Seattle to Toronto Pearson Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Toronto Pearson Intl Airport?
Average round-trip fare for 1-stop flights from Seattle to Toronto Pearson Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 382.
What’s the fastest layover option from Seattle to Toronto Pearson Intl Airport?
Shortest average travel time for 1-stop one-way flights from Seattle to Toronto Pearson Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Calgary (YYC) have the shortest average one-way travel time for 1-stop routes: 7h 28m.
Which airport typically offers the quickest layover for flights from Seattle to Toronto Pearson Intl Airport?
Average layover duration for 1-stop one-way flights from Seattle to Toronto Pearson Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Calgary (YYC) offer the fastest connection on this route, with an average layover time of 1h 56m.
Reviews of airlines servicing Pearson Intl
Get insights into the airlines that provide service to Pearson Intl. 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 Pearson Intl. Reviews last updated 24 October 2026.
Get a feel of what it's like to fly with Alaska Airlines,WestJet, andAir Canada from Seattle to Toronto Pearson Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska has a brilliant crew. And the seats are good. As much as i loved my trip from Heathrow to Seattle, i definitely did not feel the same on the return flight. A lot was due to feeling very cramped and unfortunately for me, i had a kicker behind me and a passenger who did not stop moving (but constantly) next to me. The good was not good and i noticed that most people around me left most of their meal. The ice cream was very nice. I did not have breakfast. However the food was very nice on the way to Seattle
Alaska has a brilliant crew. And the seats are good. As much as i loved my trip from Heathrow to Seattle, i definitely did not feel the same on the return flight. A lot was due to feeling very cramped and unfortunately for me, i had a kicker behind me and a passenger who did not stop moving (but constantly) next to me. The good was not good and i noticed that most people around me left most of their meal. The ice cream was very nice. I did not have breakfast. However the food was very nice on the way to Seattle
Alaska has a brilliant crew. And the seats are good. As much as i loved my trip from Heathrow to Seattle, i definitely did not feel the same on the return flight. A lot was due to feeling very cramped and unfortunately for me, i had a kicker behind me and a passenger who did not stop moving (but constantly) next to me. The good was not good and i noticed that most people around me left most of their meal. The ice cream was very nice. I did not have breakfast. However the food was very nice on the way to Seattle
Alaska has a brilliant crew. And the seats are good. As much as i loved my trip from Heathrow to Seattle, i definitely did not feel the same on the return flight. A lot was due to feeling very cramped and unfortunately for me, i had a kicker behind me and a passenger who did not stop moving (but constantly) next to me. The good was not good and i noticed that most people around me left most of their meal. The ice cream was very nice. I did not have breakfast. However the food was very nice on the way to Seattle
Related info for your journey
Find useful and relevant information for your journey from Seattle to Pearson Intl. 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 Pearson Intl?
Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Toronto Pearson Intl. On average, Seattle/Tacoma Intl has 2 outbound flights to Toronto Pearson Intl per day from 3 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.
How long is the flight from Seattle to Toronto Pearson Intl Airport?
Alaska Airlines and Delta can get you from Seattle to Toronto Pearson Intl Airport in just under 4h 32m. Your travel time can differ by up to 3h 32m. There are 3306 km between Seattle and Toronto Pearson Intl Airport. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Seattle to Toronto Pearson Intl Airport round-trip?
Flying on Alaska Airlines is currently your cheapest option to Toronto Pearson Intl Airport, with prices starting at C$ 316. Additional round-trip tickets that might be worth considering are offered by WestJet and Air Canada, with the lowest prices starting at C$ 356 and C$ 369, respectively. Alaska Airlines is priced at 47% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Seattle to Toronto Pearson Intl Airport one-way?
One-way options have recently been found by users for as low as C$ 130 on Alaska Airlines. Other airlines that offer cheap prices include Air Canada from C$ 140 and WestJet from C$ 150 one-way.
What are the most reliable airlines from Seattle to Toronto Pearson Intl Airport?
Consider Qatar Airways (100%), Alaska Airlines (100%) or Air Canada (92%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Toronto Pearson Intl Airport.
What are the cheapest flights from Seattle to Toronto Pearson Intl Airport?
Looking at all options, your cheapest flight can be booked for C$ 251. While the most popular route (Seattle/Tacoma Intl - Toronto Pearson Intl) can be booked for C$ 372 on average, our data indicates C$ 596 when flying from Seattle to Toronto Pearson Intl Airport.
Can I find deals for business class flights from Seattle to Pearson Intl?
Yes. Cheapflights offers flight deals from Seattle to Pearson Intl 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 Toronto Pearson Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Seattle to Toronto Pearson Intl Airport (average of C$ 371). Flying from Seattle to Toronto Pearson Intl Airport in December is currently the most expensive (average of C$ 954). 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.
Explore flights to Pearson Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 24 October 2026.
Top 3 airlines flying from Seattle to Pearson Intl
Discover the top 3 airlines that operate flights from Seattle to Pearson Intl. 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 7,457,451 searches. Data last updated 24 October 2026.
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 Pearson Intl?
Deals for Seattle to Pearson Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Seattle to Pearson Intl?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Pearson Intl for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Seattle to Pearson Intl with no change fees?
Yes! Cheapflights helps users easily find flights from Seattle to Pearson Intl with no change fees.
Can Cheapflights notify me if prices for flights from Seattle to Pearson Intl become cheaper?
Of course! You can now track prices for flights from Seattle to Pearson Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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