Skyscanner

Cheap Flights from Seattle to Toronto

Travellers and cabin class

Compare Seattle / Tacoma International to Toronto Pearson International flight deals

Find the cheapest month or even day of the year to fly to Toronto Pearson International

Book the best Toronto Pearson International fare with no extra fees

Flight deals from Seattle / Tacoma International to Toronto Pearson International

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International to Toronto Pearson International? Find the lowest prices on one-way and return tickets right here.
Toronto.$333 per passenger.Departing Tue, 8 Apr, returning Tue, 15 Apr.Return flight with Spirit Airlines and Porter Airlines (Canada) Ltd.Outbound indirect flight with Spirit Airlines, departs from Seattle / Tacoma International on Tue, 8 Apr, arriving in Toronto Pearson International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Toronto Pearson International on Tue, 15 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $333, select.
Toronto.$448 per passenger.Departing Mon, 10 Mar, returning Fri, 14 Mar.Return flight with Spirit Airlines and WestJet.Outbound indirect flight with Spirit Airlines, departs from Seattle / Tacoma International on Mon, 10 Mar, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departs from Toronto Pearson International on Fri, 14 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $448, select.
Toronto.$503 per passenger.Departing Sat, 31 May, returning Wed, 11 Jun.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Sat, 31 May, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departs from Toronto Pearson International on Wed, 11 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $503, select.
Toronto.$520 per passenger.Departing Thu, 12 Jun, returning Thu, 19 Jun.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Thu, 12 Jun, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departs from Toronto Pearson International on Thu, 19 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $520, select.
Toronto.$527 per passenger.Departing Tue, 20 May, returning Sun, 25 May.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Tue, 20 May, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departs from Toronto Pearson International on Sun, 25 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $527, select.
Toronto.$549 per passenger.Departing Wed, 26 Mar, returning Wed, 2 Apr.Return flight with Spirit Airlines and WestJet.Outbound indirect flight with Spirit Airlines, departs from Seattle / Tacoma International on Wed, 26 Mar, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departs from Toronto Pearson International on Wed, 2 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $549, select.
Toronto.$641 per passenger.Departing Thu, 18 Sep, returning Sat, 20 Sep.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Thu, 18 Sep, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departs from Toronto Pearson International on Sat, 20 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $641, select.
Toronto.$665 per passenger.Departing Wed, 2 Apr, returning Fri, 2 May.Return flight with Spirit Airlines and Alaska Airlines.Outbound indirect flight with Spirit Airlines, departs from Seattle / Tacoma International on Wed, 2 Apr, arriving in Toronto Pearson International.Inbound indirect flight with Alaska Airlines, departs from Toronto Pearson International on Fri, 2 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $665, select.

Find the cheapest month to fly from Seattle / Tacoma International to Toronto Pearson International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Toronto Pearson International flights are currently cheapest in April.
Feb
Find prices
Mar
from $448
Apr
from $333
May
from $527
Jun
from $520
Jul
from $724
Aug
from $904
Sep
from $641
Oct
from $923
Nov
Find prices
Dec
from $923
Jan
from $875

Direct flights from Seattle / Tacoma International to Toronto Pearson International

Seattle / Tacoma International to Toronto Pearson International: Alternative routes

Compare routes from Seattle / Tacoma International to Toronto below. You may find an airport to fly into that's cheaper, faster, or easier than Toronto Pearson International.

Seattle to Toronto: Flight information

The things to know before you go.
Cheapest flight found$333
Cheapest month to flyApril
Average flight time4 hrs, 45 mins
Most popular airlineUnited
Average flights per week37

Finding cheap flights from Seattle / Tacoma International to Toronto Pearson International: Frequently asked questions

The best price we found for a return flight from Seattle / Tacoma International to Toronto Pearson International is $333. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 45 minutes is the average flight time from Seattle / Tacoma International to Toronto Pearson International.
United, Air Canada and Alaska Airlines fly direct from Seattle / Tacoma International to Toronto Pearson International.
As of February 2025, there are 37 flights per week flying from Seattle / Tacoma International to Toronto Pearson International.
The cheapest month to fly from Seattle / Tacoma International to Toronto Pearson International is usually February 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Toronto Pearson International Airport on Tuesday, 8 April 2025.
Yes – the average flight time is 4 hours and 45 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Toronto Pearson International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Toronto is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines and United offer the cheapest flight tickets to Toronto Pearson International.

Flying from Seattle-Tacoma International Airport (SEA) to Pearson International Airport (YYZ): what you need to know

  • 4 hours 36 minutes is the average time for a direct flight from Seattle-Tacoma International Airport to Pearson International Airport. Toronto is 3 hours ahead of Seattle and operates on the UTC-4 timezone.

  • Choose from 23 weekly flights from Seattle-Tacoma International Airport to Pearson International Airport. The 06:52 departure with Alaska Airlines is the earliest you can take between SEA and YYZ. Air Canada operates the last service of the day at 23:10.

  • During popular months such as July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're flying during a peak period in general.

  • Air Canada offers direct flights from Seattle-Tacoma International Airport to Pearson International Airport. Book with this popular airline, then get ready to tick off the sights in Toronto — and maybe even more of Canada if your schedule allows.

  • We make it simple to book a flight with a stopover. To look at your options for flights from Seattle-Tacoma International Airport to Pearson International Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to explore the city of your choice. Some popular stopovers between SEA and YYZ are:

    • Calgary International Airport

    • Vancouver International Airport

    • Minneapolis-St. Paul International Airport

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Pearson International Airport (YYZ)

  • The lowest price we've found for a one-way ticket from Seattle-Tacoma International Airport to Pearson International Airport is $125. For a return flight on this route, the best price is $333. Depending on the availability when you book, these fares could change.

  • Score cheap flight tickets from SEA to YYZ by booking at least 9 months ahead. Based on our research, that's the sweet spot for bagging a bargain.

  • The cheapest month for tickets from Seattle-Tacoma International Airport to Pearson International Airport is May. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.

  • Sign into your online account or use the app to create a Price Alert. You'll get notified straight away if there's a cheaper deal on this route. It doesn't take long, and it'll save you the hassle of searching for cheap flight tickets from SEA to YYZ every day.

  • Play around with filters to find the ideal journey for you. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Seattle-Tacoma International Airport to Pearson International Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Seattle-Tacoma International Airport (SEA)

  • Travelling from central Seattle to Seattle-Tacoma International Airport takes around 54 minutes on public transport. If you ride-share, drive or take a cab, you'll cover the 23 kilometres in 18 minutes or so, depending on traffic conditions.

  • Want an easy start to your journey? Stay near SEA. Whether you have an early flight from Seattle-Tacoma International Airport to Pearson International Airport or just don't like being rushed, these hotels are perfect:

Arriving at Pearson International Airport (YYZ)

Getting from Pearson International Airport (YYZ) to central Toronto

  • From Pearson International Airport, Toronto is approximately 27 kilometres away. It takes around 26 minutes to get to the centre driving.

  • When travelling by public transport, expect a journey of about 49 minutes.

When to fly to Pearson International Airport (YYZ)

  • August is the most popular month for flights from Seattle-Tacoma International Airport to Pearson International Airport. To avoid the crowds, go to Toronto in February.

  • The warmest month in Toronto is July, with the temperature ranging between 14ºC and 28ºC. Book your flights from Seattle-Tacoma International Airport to Pearson International Airport in this month if this is the type of weather you enjoy.

  • Search for cheap flight tickets from SEA to YYZ in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -12ºC and 1ºC on average.

More about Toronto

  • Start your Toronto trip right by finding an amazing stay. Once you've booked your flight from SEA to YYZ, explore our range of accommodation options including:

  • All great journeys should include some sightseeing. CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District are must-have experiences during your Toronto visit.

Complete your Toronto trip with hotels and a car rental

  • Comparing flights is not the only thing we do. After booking your cheap ticket to Pearson International Airport, browse our great car rental offers that'll give you the freedom to travel around at your own pace. Then, have a look at our exclusive rates for hotels to find the ideal Toronto stay.

More travel options

Cheap tickets from Faro to New YorkCheap flights from Rome Fiumicino to Soekarno-HattaFlights from Ankara Esenboga to CairoCheap flights from Edinburgh to NewcastleCheap return tickets from Faro to ZagrebTickets from Rome Fiumicino to Gothenburg LandvetterCheap return tickets from Emerald to Mactan-Cebu InternationalReturn flights from Edinburgh to FuerteventuraCheap tickets from Ankara Esenboga to Barcelona
Return tickets from New York Newark to Charlotte DouglasFlights from Prince Naif bin Abdulaziz to JeddahFlights from Rome Fiumicino to Bucharest OtopeniCheap tickets from Edinburgh to ChicagoCheap tickets from Rome Fiumicino to OhridPlane tickets from Fairbanks International to Los AngelesCheap return flights from Fort Lauderdale International to Las Vegas Harry Reid InternationalTickets from Erbil to CairoCheap flights from Eindhoven to Stockholm
Flights from Fairbanks International to Honolulu InternationalCheap flights from Ercan to SydneyReturn flights from New York Newark to Washington D.C.Cheap return flights from Edinburgh to MilosFlights from Rome Fiumicino to SalzburgReturn flights from Faro to Ponta DelgadaCheap tickets from Eldoret to Nairobi Jomo KenyattaTickets from Argostoli Kefalonia to BirminghamPlane tickets from Eindhoven to Munich
Cheap flights from Sorvagur to LondonCheap return tickets from Eindhoven to AlicantePlane tickets from Edinburgh to Stornoway
Abc Cesenatico Toronto hotel dealsHotels by Alpine in TorontoHotels by Courtyard in TorontoAllson hotels in TorontoHotels by Akzent in TorontoAmsterdam hotels in TorontoOmni hotels in TorontoHotels by Ascend in TorontoHotels deals in Old Toronto
Hotels deals in North YorkCheap hotels deals in ScarboroughHotels deals in Church WellesleyHotels deals in Taylor MasseyHotels by Crowne Plaza in TorontoHotels by Aramark Harrison in TorontoHotels deals in Toronto
Cheap tickets from Seattle / Tacoma InternationalFlights from Seattle to OntarioCheap tickets from United StatesCheap flights from WashingtonLast minute flight dealsPlane tickets to Toronto Pearson InternationalFlights to CanadaCheap return flights to OntarioReturn plane tickets from Seattle / Tacoma International to Canada
Tickets from United States to CanadaTickets from Seattle / Tacoma International to Ontario
Toronto Pearson International Airport car hireCar hire in EtobicokeCar hire in MidtownCheap car hire in DowntownCheap car hire in Old TorontoCar hire in North YorkCar hire in Canada

Plan the rest of your trip from Seattle to Toronto

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.