Find Cheap Flights from Seattle to Toronto (SEA - YTO)

Flights overview

Useful information for finding cheap flights from Seattle to Toronto and booking your next trip

Cheapest round-trip flights	$251	Alaska Nonstop 5 hr Sat, Dec 6 — Sat, Dec 13	The cheapest round-trip flight from Seattle to Toronto is currently $251
Cheapest one-way flight	$101	Alaska Nonstop 5 hr Wed, Nov 12	The cheapest one-way flight from Seattle to Toronto is currently $101
Cheapest nonstop flights	$251	Alaska Nonstop 5 hr Sat, Nov 15 — Sat, Nov 22	The cheapest nonstop round-trip flight from Seattle to Toronto is currently $251
Last-minute weekend getaway	$605	Delta 1 stop 10 hr Thu, Oct 16 — Mon, Oct 20	The cheapest last-minute weekend getaway from Seattle to Toronto is currently $605
Cheapest business class flights	$982	Alaska Nonstop 5 hr Thu, Dec 4 — Sat, Dec 13	The cheapest business class round-trip flight from Seattle to Toronto is currently $982

Fastest flight	4 hr 35 min	The fastest nonstop flight from Seattle to Toronto takes 4 hr 35 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Seattle to Toronto is typically January. The most expensive month to fly is typically April.

January Cheapest	Typical prices: $260–530
April Most expensive	Typical prices: $320–520

Popular airlines from Seattle to Toronto

Air Canada

Nonstop

from $316

Typical price: $310–820

6 weekly nonstop flights

SEA - YYZ Every Mon, Wed, Thu, Fri, Sat, Sun

120 weekly connecting flights

SEA - YTZ, YYZ Every day
Alaska

Nonstop

from $251

Typical price: $305–790

7 weekly nonstop flights

SEA - YYZ Every day
Delta

from $319

Typical price: $340–790

105 weekly connecting flights

SEA - YYZ Every day
United

from $341

Typical price: $315–840

101 weekly connecting flights

SEA - YYZ Every day
American

from $341

Typical price: $350–780

78 weekly connecting flights

SEA - YYZ Every day
WestJet

from $309

Typical price: $365–890

24 weekly connecting flights

SEA - YYZ Every day

Popular airports near Seattle

Seattle–Tacoma International Airport (SEA)

Seattle United States 19 min 11 mi
Portland International Airport (PDX)

Portland United States 2 hr 43 min 140 mi
Paine Field (PAE)

Everett United States 31 min 21 mi
Bellingham International Airport (BLI)

Bellingham United States 1 hr 31 min 82 mi

Popular airports near Toronto

Toronto Pearson International Airport (YYZ)

Toronto Canada 38 min 12 mi
Billy Bishop Toronto City Airport (YTZ)

Toronto Canada 35 min 2 mi
John C. Munro Hamilton International Airport (YHM)

Hamilton Canada 1 hr 6 min 43 mi
London International Airport (YXU)

London Canada 2 hr 2 min 98 mi

Frequently asked questions about flying from Seattle to Toronto

When are the cheapest days to fly from Seattle to Toronto?

The cheapest flights from Seattle to Toronto are usually in January. Typical ticket prices in January range from $260 to $530.

Which airlines provide the cheapest flights from Seattle to Toronto?

The cheapest round-trip flight from Seattle to Toronto recently found on Google Flights was with Alaska from $251. The cheapest one-way flight was with Alaska from $101.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Air Canada flight from Seattle to Toronto is $316, flying from Nov 15 to Nov 22.
The cheapest Alaska flight from Seattle to Toronto is $251, flying from Nov 15 to Nov 22.
The cheapest Delta flight from Seattle to Toronto is $319, flying from Dec 4 to Dec 10.
The cheapest United flight from Seattle to Toronto is $341, flying from Nov 15 to Nov 22.
The cheapest American flight from Seattle to Toronto is $341, flying from Jan 10 to Jan 17.
The cheapest WestJet flight from Seattle to Toronto is $309, flying from Dec 4 to Dec 10.

What are the cheapest flights from Seattle to Toronto?

The cheapest round-trip flight from Seattle to Toronto starts at $251 from Sat, Dec 6 to Sat, Dec 13. The cheapest one-way flight starts at $101 and departs on Wed, Nov 12.

How long does it take to fly from Seattle to Toronto?

4 hr 35 min is the shortest flight time from Seattle to Toronto.

When should you fly to Toronto, Canada?

Toronto is a major city with robust cultural offerings year-round. Many people visit Jun–Sep, when the weather's warm and humid, and when big annual events like Pride Toronto (Jun), Caribbean Carnival (Jul/Aug), the Canadian National Exhibition (Aug/Sep) and the Toronto International Film Festival (Sep) are held. Spring and fall are mild to cool, and winters are typically very cold and windy, with frequent snow.

How do I find cheap dates to fly from Seattle to Toronto?

It's easy to use Google Flights to find the cheapest days to fly from Seattle to Toronto.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What is the best airline to fly from Seattle to Toronto?

What counts as the best airline for your flights from Seattle to Toronto really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Seattle to Toronto.

In terms of nonstop flights, Alaska is the most popular. Alaska offers 7 nonstop flights per week. Alaska flies from Seattle–Tacoma International Airport (SEA) to Toronto Pearson International Airport (YYZ) .

In terms of flights, Air Canada is the most popular. Air Canada offers 6 nonstop flights and 120 connecting flights per week. Air Canada flies from Seattle–Tacoma International Airport (SEA) to Billy Bishop Toronto City Airport (YTZ) , Toronto Pearson International Airport (YYZ) .

Other popular airlines flying from Seattle to Toronto are:

Delta offers 105 connecting flights per week. Delta flies from Seattle–Tacoma International Airport (SEA) to Toronto Pearson International Airport (YYZ) .
United offers 101 connecting flights per week. United flies from Seattle–Tacoma International Airport (SEA) to Toronto Pearson International Airport (YYZ) .
American offers 78 connecting flights per week. American flies from Seattle–Tacoma International Airport (SEA) to Toronto Pearson International Airport (YYZ) .
WestJet offers 24 connecting flights per week. WestJet flies from Seattle–Tacoma International Airport (SEA) to Toronto Pearson International Airport (YYZ) .

The number of connecting flights refers to distinct flights with at least one stop between Seattle and Toronto.

Which airlines provide the cheapest flights from Seattle to Toronto?

The cheapest round-trip flight from Seattle to Toronto recently found on Google Flights was with Alaska from $251. The cheapest one-way flight was with Alaska from $101.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Air Canada flight from Seattle to Toronto is $316, flying from Nov 15 to Nov 22.
The cheapest Alaska flight from Seattle to Toronto is $251, flying from Nov 15 to Nov 22.
The cheapest Delta flight from Seattle to Toronto is $319, flying from Dec 4 to Dec 10.
The cheapest United flight from Seattle to Toronto is $341, flying from Nov 15 to Nov 22.
The cheapest American flight from Seattle to Toronto is $341, flying from Jan 10 to Jan 17.
The cheapest WestJet flight from Seattle to Toronto is $309, flying from Dec 4 to Dec 10.

Which airlines have direct flights from Seattle to Toronto?

Air Canada and Alaska fly direct from Seattle to Toronto.

There are 6 Air Canada direct flights from Seattle to Toronto per week. Flights are available on Monday, Wednesday, Thursday, Friday, Saturday and Sunday.
There are 7 Alaska direct flights from Seattle to Toronto per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

Which airline provides the cheapest last-minute getaway flight from Seattle to Toronto?

The cheapest last-minute deal between Seattle and Toronto at price $605 is offered by Delta from Thu, Oct 16 to Mon, Oct 20.

Which airlines have direct flights from Seattle to Toronto?

Air Canada and Alaska fly direct from Seattle to Toronto.

There are 6 Air Canada direct flights from Seattle to Toronto per week. Flights are available on Monday, Wednesday, Thursday, Friday, Saturday and Sunday.
There are 7 Alaska direct flights from Seattle to Toronto per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

When are direct flights from Seattle to Toronto available?

There are direct flights from Seattle to Toronto on a daily basis.

What are the cheapest direct flights from Seattle to Toronto?

The cheapest direct (nonstop) round-trip flights between Seattle and Toronto start at $251 from Sat, Nov 15 to Sat, Nov 22 with Alaska.

How can I find nonstop flights from Seattle to Toronto?

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Seattle to Toronto, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

What are the cheapest business class flights from Seattle to Toronto?

The cheapest business class round-trip flights between Seattle and Toronto start at $982 from Thu, Dec 4 to Sat, Dec 13 with Alaska.

What are the cheapest economy class flights from Seattle to Toronto?

The cheapest economy class round-trip flights between Seattle and Toronto start at $251 from Sat, Dec 6 to Sat, Dec 13.

How can I book business class trips from Seattle to Toronto?

To book business class trips from Seattle to Toronto, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

Are there any last-minute deals from Seattle to Toronto next weekend?

The best last-minute getaway deal for the next weekend between Seattle and Toronto starts at $605 from Thu, Oct 16 to Mon, Oct 20 with Delta.

Which airline provides the cheapest last-minute getaway flight from Seattle to Toronto?

The cheapest last-minute deal between Seattle and Toronto at price $605 is offered by Delta from Thu, Oct 16 to Mon, Oct 20.

How can I find last-minute flight deals from Seattle to Toronto?

To find last-minute flight deals from Seattle to Toronto, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.