Cheap Flights from Toronto Pearson International to Seattle

Compare Toronto Pearson International to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

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Flight deals from Toronto Pearson International to Seattle

Looking for a cheap last-minute deal or the best return flight from Toronto Pearson International Airport to Seattle? If you want to travel next month, return fares start from R 6,128. Find the lowest prices on one-way and return tickets right here.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Toronto Pearson International to Seattle flights are currently cheapest in September.

Direct flights from Toronto Pearson International to Seattle

Alternative Toronto Pearson International to Seattle routes

Looking for the cheapest, fastest or easiest route from Toronto Pearson International to Seattle? You could fly into the following airports instead.

Toronto to Seattle: Flight information

The things to know before you go.
Cheapest flight foundR 3,275
Cheapest month to flySeptember
Average flight time5 hrs, 25 mins
Most popular airlineAir Canada
Average flights per week31

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

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Toronto Pearson International to Seattle is R 5,323. 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.
5 hours and 25 minutes is the average flight time from Toronto Pearson International to Seattle.
Air Canada, United and Alaska Airlines fly direct from Toronto Pearson International to Seattle.
As of June 2026, there are 31 flights per week flying from Toronto Pearson International to Seattle.
The cheapest month to fly from Toronto Pearson International to Seattle is usually June.
If you're flying from Toronto Pearson International Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from R 5,323.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Toronto Pearson International Airport to Seattle on Friday, 19 June 2026.
Yes – the average flight time is 5 hours and 25 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 Seattle 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 Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 14°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, WestJet and Air Canada offer the cheapest flight tickets to Seattle.

Travelling from Toronto Pearson International Airport (YYZ) to Seattle: what you need to know

  • Approximately 4 hours 45 minutes is how long you'll be travelling on a direct flight from Toronto Pearson International Airport to Seattle.

  • Toronto Pearson International Airport is located in Toronto. Following the UTC-8 timezone, Seattle is three hours behind Toronto.

  • The busiest route is from Toronto Pearson International Airport (YYZ) to Seattle-Tacoma International Airport (SEA). You can choose from 13 weekly services between these two airports. If you want to get going as soon as possible, the earliest flight from YYZ to SEA is the 08:15 Air Canada service. If you prefer travelling later, the final departure is at 19:20 with Air Canada.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your YYZ to Seattle flight.

  • During popular months like July, it's wise to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during a peak period in general.

  • You can book a direct Toronto Pearson International Airport to Seattle ticket. Start your journey at YYZ and arrive at Seattle-Tacoma International Airport (SEA).

  • Book your seat with Air Canada. This popular airline operates direct flights from Toronto Pearson International Airport to Seattle.

  • Located around 19 kilometres from central Toronto, YYZ can be reached in about 30 minutes by car. The journey on public transport will take roughly 25 minutes.

  • Searching for a hotel near YYZ? If you've booked an early flight from Toronto Pearson International Airport to Seattle, these stays will get you from your pillow to the plane in no time:

  • Of all flights leaving Toronto Pearson International Airport, 68% arrive on time at their destination.

How to find the cheapest flights from Toronto Pearson International Airport (YYZ) to Seattle

  • R 3,275 is the lowest price we've seen for a one-way Toronto Pearson International Airport to Seattle flight. A return ticket right now is R 5,341. Depending on when you want to go and the availability, these fares may change.

  • Booking ahead of time is often the key to securing a cheap flight from YYZ to Seattle. Fares tend to rise as seats fill up, so the nearer your departure date, the more you'll likely spend on your ticket.

  • If you can be flexible with your travel dates, take advantage of the 'Whole month' search tool. It'll show you the lowest price across each month when searching for a Toronto Pearson International Airport to Seattle ticket.

  • Locking in a cheap flight from YYZ to Seattle is a breeze with Price Alerts. All you need to do is create one of these automatic notifications and we'll let you know when a new discount appears.

  • Save on your flight from Toronto Pearson International Airport to Seattle with the help of our filters. Select your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • The distance from Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 23 kilometres. It takes around 25 minutes to reach the centre driving.

  • Getting to the centre by public transport takes around 35 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Toronto Pearson International Airport to Seattle. Stay at one of these accommodation options near SEA instead:

  • To secure the lowest price, book your vehicle from Seattle-Tacoma International Airport around one week ahead of your flight from YYZ to Seattle.

Seattle Paine Field International Airport (PAE)

  • Seattle Paine Field International Airport (PAE) is about 40 kilometres from the centre of Seattle. Once you've hopped off your flight from Toronto Pearson International Airport to Seattle, it'll take you around 40 minutes to get to the heart of the city in a ride-share or taxi.

  • You can expect the journey to take roughly 1 hour 30 minutes on public transport.

  • Following your YYZ to Seattle flight, rest your head at a hotel close to PAE. These are some great accommodation options that'll help you sink into relaxation mode:

  • Get the vehicle you actually want, not just what's left, by securing your ride from PAE in advance. You'll also avoid paying more than you need to, especially when the airport is busy.

King County International Airport (BFI)

  • Step off your flight from Toronto Pearson International Airport to Seattle and make your way to your hotel or start exploring right away. The centre of Seattle is around 11 kilometres from King County International Airport (BFI) and usually takes 20 minutes to drive there.

  • The journey will take you around 35 minutes by public transport.

  • If you don't want to make the journey into the centre, find a hotel close to BFI. Get settled at one of these options after your YYZ to Seattle flight:

  • Booking a couple of weeks ahead of your flight from Toronto Pearson International Airport to Seattle is a smart way to go. As well as better deals, you'll be able to choose the vehicle make and model you prefer at BFI.

Best time to go to Seattle

  • December is the quietest month for flights from Toronto Pearson International Airport to Seattle, while July is the most popular. Work out the best time to go to Seattle based on whether you like a laid-back vibe or a more bustling atmosphere.

  • Before booking a Toronto Pearson International Airport to Seattle plane ticket, think about the kind of weather forecast you're hoping for. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • February sees average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for a cheap ticket from YYZ to Seattle around that time if you want to travel in cooler conditions.

More about Seattle

  • Start your Seattle trip right by choosing the perfect place to stay. As soon as you've booked your flight from Toronto Pearson International Airport to Seattle, check out our selection of hotels including:

  • There are so many things to explore in this city it can be hard to know where to start. Pike Place Market, Space Needle and Seattle Skyline are highlights which should feature on every Seattle itinerary.

Explore more of the United States

  • You've visited Seattle, now it's time to explore other parts of the United States. Journey about 241 kilometres south to Portland to check off its top sights. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, you've got a jam-packed schedule ahead.

  • Spokane is another must-experience destination in the United States and is around 370 kilometres east of Seattle. No trip is complete without experiencing Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.