Cheap Flights from Seattle to Toronto from C$ 183

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 2021: compare Seattle to Toronto flight prices with the expected peak season, weather and rainfall in Toronto.

SEA - YTO Price	C$ 535 - C$ 811
YTO Temperature	1 - 25 °C
YTO Precipitation	29 - 49 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$ 535 From Seattle/Tacoma Intl to Toronto
One-way from C$ 183 One-way flight from Seattle/Tacoma Intl to Toronto

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$ 535

From Seattle/Tacoma Intl to Toronto

One-way from

C$ 183

One-way flight from Seattle/Tacoma Intl to Toronto

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

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.

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.

Cheap flights from Seattle to Toronto in September, October 2021

The best prices found for SEA to YTO flights for September, October

30 Oct - 2 Nov

C$ 383pp

SEA

Seattle/Tacoma Intl

Multiple Airlines

3 STOPS

YYZ

Toronto Pearson Intl

YYZ

Toronto Pearson Intl

Multiple Airlines

3 STOPS

SEA

Seattle/Tacoma Intl

24 Oct - 2 Nov

C$ 387pp

SEA

Seattle/Tacoma Intl

Multiple Airlines

1 STOP

YYZ

Toronto Pearson Intl

YYZ

Toronto Pearson Intl

Multiple Airlines

3 STOPS

SEA

Seattle/Tacoma Intl

18 Oct - 25 Oct

C$ 401pp

SEA

Seattle/Tacoma Intl

Multiple Airlines

2 STOPS

YTZ

Toronto Island

YTZ

Toronto Island

Multiple Airlines

2 STOPS

SEA

Seattle/Tacoma Intl

Seattle/Tacoma Intl to Toronto 2021 flight deals

Cheap flights to Toronto from Seattle found for this year

3 Dec - 6 Dec

C$ 327pp

SEA

Seattle/Tacoma Intl

Multiple Airlines

1 STOP

YYZ

Toronto Pearson Intl

YYZ

Toronto Pearson Intl

Multiple Airlines

1 STOP

SEA

Seattle/Tacoma Intl

9 Dec - 13 Dec

C$ 354pp

SEA

Seattle/Tacoma Intl

Multiple Airlines

3 STOPS

YYZ

Toronto Pearson Intl

YYZ

Toronto Pearson Intl

Multiple Airlines

1 STOP

SEA

Seattle/Tacoma Intl

15 Nov - 19 Nov

C$ 356pp

SEA

Seattle/Tacoma Intl

Multiple Airlines

2 STOPS

YYZ

Toronto Pearson Intl

YYZ

Toronto Pearson Intl

Multiple Airlines

1 STOP

SEA

Seattle/Tacoma Intl

Direct flights to Toronto from Seattle

Save time with Seattle to Toronto direct flight deals

1 Dec - 8 Dec

C$ 527pp

SEA

Seattle/Tacoma Intl

Air Canada

Direct

YYZ

Toronto Pearson Intl

YYZ

Toronto Pearson Intl

Air Canada

Direct

SEA

Seattle/Tacoma Intl

1 Dec - 5 Dec

C$ 530pp

SEA

Seattle/Tacoma Intl

Air Canada

Direct

YYZ

Toronto Pearson Intl

YYZ

Toronto Pearson Intl

Air Canada

Direct

SEA

Seattle/Tacoma Intl

5 Nov - 7 Nov

C$ 534pp

SEA

Seattle/Tacoma Intl

Multiple Airlines

Direct

YYZ

Toronto Pearson Intl

YYZ

Toronto Pearson Intl

Air Canada

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

29 Sep - 3 Dec

C$ 532pp

SEA

Seattle/Tacoma Intl

Multiple Airlines

2 STOPS

YYZ

Toronto Pearson Intl

YYZ

Toronto Pearson Intl

Multiple Airlines

1 STOP

SEA

Seattle/Tacoma Intl

30 Sep - 4 Oct

C$ 551pp

SEA

Seattle/Tacoma Intl

Multiple Airlines

2 STOPS

YYZ

Toronto Pearson Intl

YYZ

Toronto Pearson Intl

Multiple Airlines

3 STOPS

SEA

Seattle/Tacoma Intl

29 Sep - 6 Oct

C$ 557pp

SEA

Seattle/Tacoma Intl

Multiple Airlines

1 STOP

YYZ

Toronto Pearson Intl

YYZ

Toronto Pearson Intl

Multiple Airlines

2 STOPS

SEA

Seattle/Tacoma Intl

One-way flights to Toronto from Seattle

The cheapest one-way flights from Seattle to Toronto

7:56 p.m. - 7:17 a.m.

Alaska Airlines

1 stop

8h 21m

SEA - YYZ

C$ 183

mytrip.com

7:53 p.m. - 12:20 p.m.

American Airlines

1 stop

13h 27m

SEA - YYZ

C$ 212

4:00 a.m. - 1:58 p.m.

Air Canada

1 stop

6h 58m

SEA - YYZ

C$ 214

Air Canada

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$ 327, but on average you can expect to pay C$ 383.

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$ 646.

Are there last-minute flights available from Seattle to Toronto for under C$ 600?

There are currently 20+ open flights from Seattle to Toronto within the next 7 days for less than C$ 600.

What are the cheapest airlines to fly from Seattle to Toronto one-way?

C$ 176 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from C$ 183 and C$ 194, respectively.

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) test taken 72 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.

C$ 1 = C$ 1.00

22.0 °C

47.0 mm

Airports servicing Seattle

Seattle (SEA)

Airports servicing Toronto

Pearson Intl (YYZ)

Toronto Island (YTZ)

Hamilton (YHM)

Kitchener-Waterloo (YKF)

Airline	Cheapest	Average	Flexibility	On-time
Delta	C$ 274	C$ 566	No cancel fee	N/A	Search Delta flights
Air Canada	C$ 292	C$ 838	No cancel fee	67%	Search Air Canada flights
American Airlines	C$ 300	C$ 619	No cancel fee	71%	Search American Airlines flights
United Airlines	C$ 321	C$ 630	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

3 daily flights

Friday

0 flights

Saturday

2 daily flights

Cheap flights from Seattle to Toronto

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 2021: compare Seattle to Toronto flight prices with the expected peak season, weather and rainfall in Toronto.

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

When is the cheapest time to fly from Seattle to Toronto (SEA - YTO)?

Cheap flights from Seattle to Toronto in September, October 2021

The best prices found for SEA to YTO flights for September, October

Seattle/Tacoma Intl to Toronto 2021 flight deals

Cheap flights to Toronto from Seattle found for this year

Direct flights to Toronto from Seattle

Save time with Seattle to Toronto direct flight deals

Last minute flights from Seattle to Toronto

Late deals on round-trip flights to Toronto from Seattle, departing today and this week

One-way flights to Toronto from Seattle

The cheapest one-way flights from Seattle to Toronto

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?

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

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

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

Are there last-minute flights available from Seattle to Toronto for under C$ 600?

What are the cheapest airlines to fly from Seattle to Toronto one-way?

Related searches

Flights to Toronto from Seattle (SEA)

Other flights from Seattle

Other flights to Toronto

Rent a Car

COVID Restrictions

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

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

Destination information for Toronto

Things to know before you go - useful duration and weather info for your trip from Seattle to Toronto.

Airports servicing Seattle

Airports servicing Toronto

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.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2021.

Hourly flight availability from Seattle to Toronto

See what time of day planes typically take off from Seattle towards Toronto.

See how many times per day planes take to the skies headed from Seattle to Toronto.

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