Cheap flights from Seattle to Toronto from C$ 180
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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Toronto are usually found in January or February, booked 68 days in advance, depart on a Sunday or Thursday and return on a Thursday
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 28 March 2025.
Round-trip from | C$ 382 |
---|---|
One-way from | C$ 180 |
Popular in | April |
Cheapest in | January |
Average price | C$ 527 |
Good round-trip deal | C$ 437 or less |
Good one-way deal | C$ 239 or less |
Find flight deals from Seattle to Toronto
Cheapest flights from Seattle to TorontoExplore the most affordable flight options available from Seattle to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.
Explore the most affordable flight options available from Seattle to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.
Cheapflights Fare Finder
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 629,999 searches. Data last updated 28 March 2025.
Use the filters below to find and compare flights from Seattle to Toronto that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SeattleToronto
SEA - YYZ
SEAYYZ
Seattle/Tacoma Intl
Thu 1/5
8:56 p.m.-12:24 a.m.
2 stops24h 28m
Toronto Pearson Intl
Wed 7/5
9:45 a.m.-12:10 a.m.
1 stop17h 25m
SeattleToronto
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Thu 1/5
1:50 p.m.-12:46 a.m.
1 stop7h 56m
Toronto Region of Waterloo Intl
Tue 13/5
6:00 a.m.-8:28 p.m.
1 stop17h 28m
SeattleToronto
SEA - YYZ
SEAYYZ
Seattle/Tacoma Intl
Sun 15/6
1:15 p.m.-12:33 a.m.
1 stop8h 18m
Toronto Pearson Intl
Sat 21/6
8:00 a.m.-12:58 p.m.
1 stop7h 58m
SeattleToronto
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Thu 1/5
1:50 p.m.-12:46 a.m.
1 stop7h 56m
Toronto Region of Waterloo Intl
Mon 5/5
6:00 a.m.-12:58 p.m.
1 stop9h 58m
SeattleHamilton
SEA - YHM
SEAYHM
Seattle/Tacoma Intl
Wed 7/5
6:00 a.m.-12:41 a.m.
2 stops15h 41m
Hamilton
Wed 14/5
6:00 a.m.-12:58 p.m.
1 stop9h 58m
SeattleHamilton
SEA - YHM
SEAYHM
Seattle/Tacoma Intl
Thu 22/5
1:50 p.m.-12:41 a.m.
1 stop7h 51m
Hamilton
Mon 26/5
6:00 a.m.-12:58 p.m.
1 stop9h 58m
SeattleToronto
SEA - YTZ
SEAYTZ
Seattle/Tacoma Intl
Thu 17/4
8:56 p.m.-6:53 p.m.
2 stops18h 57m
Toronto Island
Tue 22/4
11:30 a.m.-11:35 a.m.
2 stops27h 05m
SeattleToronto
SEA - YYZ
SEAYYZ
Seattle/Tacoma Intl
Thu 17/4
6:00 a.m.-1:57 p.m.
Nonstop4h 57m
Toronto Pearson Intl
Wed 23/4
7:20 p.m.-9:41 p.m.
Nonstop5h 21m
SeattleToronto
SEA - YYZ
SEAYYZ
Seattle/Tacoma Intl
Thu 17/4
7:20 a.m.-3:00 p.m.
Nonstop4h 40m
Toronto Pearson Intl
Tue 22/4
4:45 p.m.-6:59 p.m.
Nonstop5h 14m
SeattleToronto
SEA - YYZ
SEAYYZ
Seattle/Tacoma Intl
Sat 3/5
7:00 a.m.-4:42 p.m.
1 stop6h 42m
Toronto Pearson Intl
Sat 3/5
7:00 p.m.-12:59 a.m.
1 stop8h 59m
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.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Toronto
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 21 March 2025.
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.
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 C$ 167). Flying from Seattle to Toronto in July is currently the most expensive (average of C$ 258). 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 YTO?
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 28 March 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 58% on flights from Seattle to Toronto by exploring options for tickets in the afternoon.
Rainfall in Toronto by month
Plan your trip to Toronto by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Toronto ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Toronto when rainfall is around 51.0 mm.
Temperature in Toronto by month
Plan your trip to Toronto by taking into account the average temperature totals by month.
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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).
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 28 March 2025.
See what other customers who have flown with Alaska Airlines, Delta and SWISS from Seattle to Toronto have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Overall
Comfort
Food
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Entertainment
Overall
Comfort
Food
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Entertainment
Overall
Comfort
Food
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Entertainment
Overall
Comfort
Food
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Entertainment
Overall
Comfort
Food
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Entertainment
Overall
Comfort
Food
Boarding
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
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.
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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.
Top 3 airlines flying from Seattle to Toronto
Discover the top 3 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 629,999 searches. Data last updated 28 March 2025.
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How does Cheapflights help users find flights from Seattle to Toronto?
Deals for Seattle to Toronto 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 Toronto?
Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Toronto for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Seattle to Toronto with no change fees?
Need flexible booking options for your flight to Toronto from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Seattle to Toronto become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Toronto from Seattle today and book when prices fit your budget.