Cheap flights from Seattle to Toronto

Round-trip
Economy
Seattle (SEA)
Toronto (YTO)
Depart
Return
Any month
Compare vs. Cheapflights |

The best prices from Seattle/Tacoma Intl to Toronto are usually found in January or August, booked 0 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

How to find the cheapest flight from
Seattle (SEA) to Toronto (YTO)

All the information you need to plan the best SEA to YTO flight in 2022: compare Seattle to Toronto flight prices with the expected peak season, weather and rainfall in Toronto.
SEA - YTO
Price
C$ 419 - C$ 635
YTO
Temperature
-6 - 21 °C
YTO
Precipitation
51 - 83 mm

Popular in

December

High demand for flights, 19% potential price rise

Cheapest in

January

Best time to find cheap flights, 18% potential price drop

Round-trip from

C$ 527

From Seattle/Tacoma Intl to Toronto (YTO)

One-way from

C$ 213

One-way flight from Seattle/Tacoma Intl to Toronto (YTO)

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Seattle to Toronto (SEA - YTO)?

Unlike in the evening, when flights are generally more expensive, you can save up to 60% on flights from Seattle to Toronto by exploring options for tickets at noon.

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

Users have found that flying from Seattle to Toronto on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Cheap flights from Seattle to Toronto in January, February 2022

The best prices found for SEA to YTO flights for January, February
6 Feb - 10 Feb
C$ 385pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
11 Feb - 14 Feb
C$ 413pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YKF
Toronto Kitchener-Waterloo
YKF
Toronto Kitchener-Waterloo
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
12 Feb - 27 Feb
C$ 414pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Toronto 2022 flight deals

Cheap flights to Toronto from Seattle found for this year
6 Feb - 10 Feb
C$ 385pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
3 Mar - 4 Mar
C$ 386pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
11 Feb - 14 Feb
C$ 413pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YKF
Toronto Kitchener-Waterloo
YKF
Toronto Kitchener-Waterloo
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Direct flights to Toronto from Seattle

Save time with Seattle to Toronto direct flight deals
8 Apr - 17 Apr
C$ 516pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Direct
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
United Airlines
Direct
SEA
Seattle/Tacoma Intl
7 Apr - 17 Apr
C$ 537pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Direct
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
Air Canada
Direct
SEA
Seattle/Tacoma Intl
19 Feb - 25 Feb
C$ 540pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Direct
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
United Airlines
Direct
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Toronto

Late deals on round-trip flights to Toronto from Seattle, departing today and this week
3 Feb - 7 Feb
C$ 436pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
31 Jan - 15 Mar
C$ 443pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
3 Feb - 7 Feb
C$ 459pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
YYZ
Toronto Pearson Intl
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Toronto from Seattle

The cheapest one-way flights from Seattle to Toronto
7:29 p.m. - 4:31 p.m.
American Airlines
2 stops
18h 02m
SEA - YYZ
American Airlines
C$ 213
2:10 a.m. - 9:50 a.m.
Multiple Airlines
2 stops
28h 40m
SEA - YYZ
Multiple Airlines
C$ 218
Kiwi.com
2:45 a.m. - 10:26 a.m.
Air Canada
Direct
4h 41m
SEA - YYZ
Air Canada
C$ 219
Travel2Be

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Toronto</span> flights.

Flight FAQs

From Seattle to Toronto

What airport do you fly from for flights from Seattle to Toronto?

Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly out of when you book flights from Seattle to Toronto. 5 airlines have flights from Seattle/Tacoma Intl to Toronto on a regular basis. Booking flights from Seattle/Tacoma Intl to Toronto should not be difficult; the airport handles an average of 1 outbound flight to Toronto per day.

Which airlines flying from Seattle/Tacoma Intl to Toronto have flexible cancellations due to COVID-19?

Air Canada, Delta, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Seattle to Toronto for under C$ 400 on Cheapflights?

Yes, there are multiple flights from Seattle to Toronto for under C$ 400. The cheapest flight booked recently is on Multiple Airlines for just C$ 385, but on average you can expect to pay C$ 425.

Are there direct flights from Seattle to Toronto for under C$ 600 on Cheapflights?

Cheapflights has 20 direct flights from Seattle to Toronto under C$ 600. A good price for a direct flight from Seattle to Toronto is less than C$ 613.

Are there last-minute flights available from Seattle to Toronto for under C$ 500?

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

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

According to our current data, American Airlines (C$ 436), offers the cheapest pricing from Seattle to Toronto. You may be able to fly from Seattle to Toronto for 32% less than the average price by searching for this airline.

What are the cheapest flights from Seattle to Toronto?

On average you can expect to pay C$ 228 for a flight from Seattle to Toronto. The cheapest flight overall is C$ 227 while the most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl) is currently priced at C$ 385.

What are the most popular routes from Seattle to Toronto?

Most travellers choose Seattle/Tacoma Intl - Toronto Pearson Intl, Seattle/Tacoma Intl - Toronto Island or Seattle/Tacoma Intl - Toronto Kitchener-Waterloo when deciding on the best route from Seattle to Toronto.

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

The most popular airlines flying from Seattle to Toronto are American Airlines, Air Canada and Delta. Something to consider prior to booking your flight.

What are the most reliable airlines from Seattle to Toronto?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Toronto on time: Air Canada (59%), United Airlines (59%), Turkish Airlines (57%).

COVID Restrictions

View COVID Travel Restrictions for Toronto, Canada

Do I need a COVID test to fly to Toronto from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Toronto

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Toronto.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Toronto.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Toronto.

Documents
Compassionate entry for travellers and limited release from quarantine - Foreign nationals traveling without an advance written approval for an exemption of a border restriction may be denied entry into Canada.


Do I need a test to fly back to Seattle from Toronto?

Returning to Seattle/Tacoma Intl from Toronto

COVID-19 testing requirements
Visitors from Toronto must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Toronto are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Toronto, Canada

Destination information for Toronto

Things to know before you go - useful duration and weather info for your trip from Seattle to Toronto.
Today's exchange rate
C$ 1 = C$ 1.00
Average temperature for January in Toronto
1.0 °C
Avg rainfall for January in Toronto
35.0 mm

Airports servicing Seattle

Airports servicing Toronto

Toronto Island (YTZ)
Hamilton (YHM)
Kitchener-Waterloo (YKF)

Top 4 airlines flying from Seattle/Tacoma Intl to Toronto

The chart below displays the airlines Cheapflights users travelling from Seattle to Toronto choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
C$ 270 C$ 558 No cancel fee N/A
Search Delta flights
Air Canada
C$ 287 C$ 826 No cancel fee 67%
Search Air Canada flights
American Airlines
C$ 295 C$ 610 No cancel fee 71%
Search American Airlines flights
United Airlines
C$ 317 C$ 621 No cancel fee 69%
Search United Airlines flights

Hourly flight availability from Seattle to Toronto

See what time of day planes typically take off from Seattle towards Toronto.
Morning 6 AM to noon 100% of flight departures
Early morning Midnight to 6 AM 0% of flight departures
Afternoon Noon to 6 PM 0% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle to Toronto
See how many times per day planes take to the skies headed from Seattle to Toronto.
Sunday
3 daily flights
Monday
3 daily flights
Tuesday
0 flights
Wednesday
0 flights
Thursday
0 flights
Friday
3 daily flights
Saturday
2 daily flights
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