Cheap flight deals from Toronto to Seattle

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Toronto to Seattle?

We monitor flight fares to help you find the best deals effortlessly

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  • Apr

    30 6
  • 6 13
  • 13 20
  • 20 27

  • May

    27 4
  • 4 11
  • 11 18
  • 18 25

  • Jun

    25 1
  • 1 8
  • 8 15
  • 15 22
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Toronto (YTO) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from Toronto to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Toronto (YTO) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around AED 1,256.

  • How long does it take to fly from Toronto (YTO) to Seattle (SEA)?

    It takes about 5 hours 22 minutes to fly from Toronto (YTO) to Seattle (SEA).

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km, by taxi about 30 minutes.

  • What time does the earliest flight from Toronto to Seattle depart?

    The earliest flight departs from Toronto (YYZ) at 08:25 and arrives in Seattle (SEA) at 10:46.

  • What time does the latest flight from Toronto to Seattle depart?

    The latest flight departs from Toronto (YYZ) at 19:05 and arrives in Seattle (SEA) at 21:30.

  • What are the most popular airlines that fly from Toronto (YTO) to Seattle (SEA)?

    Airlines with flights from Toronto (YTO) to Seattle (SEA): United Airlines, Air Tahiti Nui, Air Canada, Alaska Airlines, Hawaiian Airlines and Brussels Airlines.

  • What's the most popular airline for non-stop flights from Toronto (YTO) to Seattle (SEA)?

    United Airlines operates 2 non-stop flights from Toronto (YTO) to Seattle (SEA).

  • How many airports are there in Seattle (SEA)?

How to find a cheap flight from Toronto to Seattle

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Toronto to Seattle. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Toronto to Seattle ticket.
Tap "Date" on flight search bar to scan through the calender for Toronto to Seattle airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, Apr 1 at AED 525 for one-way flights.
2
Compare cheap Toronto to Seattle flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Toronto to Seattle. The cheapest airline operating is Alaska Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Toronto to Seattle route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Toronto to Seattle flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Toronto to Seattle to get exclusive deals for you.

Flight Info | Toronto to Seattle

Cheapest one-way flight price AED 429
Cheapest return ticket price AED 826
Off-season for travel March
Peak season for travel December
Flight distance 3,325.49 km
Average flight time 5 hours 22 minutes
Popular airline Alaska Airlines

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