
CA $263 Cheap Flights from Toronto (YTO) to Seattle (SEA)
Popular airlines from Toronto to Seattle, WA (SEA-Seattle - Tacoma Intl.)
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap flights from Toronto (YTO) to Seattle (SEA)
Prices were available within the past 7 days and start at CA $263 for one-way flights and CA $455 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.









Alternative airports near Seattle
Prices were available within the past 7 days. Prices and availability are subject to change.
Travel information
Origin airport | Pearson Intl. |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Air Canada, Alaska Airlines, American Airlines, Delta, Sun Country Airlines, United, WestJet |
Roundtrip price | CA $455 |
Distance | 3288 km |
Book with confidence
Ontario to Seattle Flights
The easy way to book your flights from Toronto to Seattle
With Expedia, it’s simple to find and book flights to Seattle from Toronto whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Toronto to Seattle today, tomorrow, or this week.
Save dollars with cheap flights from YTO-All Airports, YTO to Seattle - Tacoma Intl., SEA
Sort your search results by price to find great deals on your flight from Toronto to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Toronto currently is just CA $455 rising to CA $1,043.
Here are more money-saving tips:
- Fly in October when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Seattle
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Seattle from Toronto
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.
Explore a world of travel with Expedia
- Flights from Hyderabad (HYD) to Seattle (SEA)
- Flights from Tampa (TPA) to Seattle (SEA)
- Flights from Fort Lauderdale (FLL) to Seattle (SEA)
- Flights from Lethbridge (YQL) to Seattle (SEA)
- Flights from Shanghai (PVG) to Seattle (SEA)
- Flights from Miami (MIA) to Seattle (SEA)
- Flights from Québec (YQB) to Seattle (SEA)
- Flights from Baltimore (BWI) to Seattle (SEA)
- Flights from Prince George (YXS) to Seattle (SEA)
- Flights from Nashville (BNA) to Seattle (SEA)
- Flights from New York (JFK) to Seattle (SEA)
- Flights from Mumbai (BOM) to Seattle (SEA)
- Flights from Spokane (GEG) to Seattle (SEA)
- Flights from Istanbul (IST) to Seattle (SEA)
- Flights from Washington (IAD) to Seattle (SEA)
- Flights from Indianapolis (IND) to Seattle (SEA)
- Flights from Thunder Bay (YQT) to Seattle (SEA)
- Flights from Kalispell (FCA) to Seattle (SEA)
- Flights from Manila (MNL) to Seattle (SEA)
- Flights from Delhi (DEL) to Seattle (SEA)
- Flights from Montreal (YUL) to Seattle (SEA)
- Flights from London (LHR) to Seattle (SEA)
- Flights from Harrisburg (MDT) to Seattle (SEA)
- Flights from Grande Prairie (YQU) to Seattle (SEA)
- Flights from Port Angeles (CLM) to Seattle (SEA)
- Flights from Minneapolis (MSP) to Seattle (SEA)
- Flights from Washington (DCA) to Seattle (SEA)
- Flights from San Antonio (SAT) to Seattle (SEA)
- Flights from Buffalo (BUF) to Seattle (SEA)
- Flights from Toronto (YYZ) to Seattle (SEA)
- Flights from Great Falls (GTF) to Seattle (SEA)
- Flights from Palm Springs (PSP) to Seattle (SEA)
- Flights from Winnipeg (YWG) to Seattle (SEA)
- Flights from Syracuse (SYR) to Seattle (SEA)
- Flights from Vancouver (YVR) to Seattle (SEA)
- Flights from Hamilton (YHM) to Seattle (SEA)
- Flights from Anchorage (ANC) to Seattle (SEA)
- Flights from San Diego (SAN) to Seattle (SEA)
- Flights from Seoul (ICN) to Seattle (SEA)
- Flights from Victoria (YYJ) to Seattle (SEA)
- Flights from Charlotte (CLT) to Seattle (SEA)
- Flights from Phoenix (PHX) to Seattle (SEA)
- Flights from Pittsburgh (PIT) to Seattle (SEA)
- Flights from Sacramento (SMF) to Seattle (SEA)
- Flights from Saskatoon (YXE) to Seattle (SEA)
- Flights from Orange County (SNA) to Seattle (SEA)
- Flights from San Francisco (SFO) to Seattle (SEA)
- Flights from Abbotsford (YXX) to Seattle (SEA)
- Flights from London (YXU) to Seattle (SEA)
- Flights from Chicago (ORD) to Seattle (SEA)
- Flights from San Jose (SJC) to Seattle (SEA)
- Flights from Kahului (OGG) to Seattle (SEA)
- Flights from Toronto (YTZ) to Seattle (SEA)
- Flights from Boston (BOS) to Seattle (SEA)
- Flights from Regina (YQR) to Seattle (SEA)
- Flights from Calgary (YYC) to Seattle (SEA)
- Flights from St. Louis (STL) to Seattle (SEA)
- Flights from Bellingham (BLI) to Seattle (SEA)
- Flights from Jacksonville (JAX) to Seattle (SEA)
- Flights from Orlando (MCO) to Seattle (SEA)
- Flights from Sudbury (YSB) to Seattle (SEA)
- Flights from Dallas (DFW) to Seattle (SEA)
- Flights from Beijing (PEK) to Seattle (SEA)
- Flights from Penticton (YYF) to Seattle (SEA)
- Flights from Portland (PDX) to Seattle (SEA)
- Flights from Des Moines (DSM) to Seattle (SEA)
- Flights from Austin (AUS) to Seattle (SEA)
- Flights from Detroit (DTW) to Seattle (SEA)
- Flights from Fresno (FAT) to Seattle (SEA)
- Flights from Kitchener (YKF) to Seattle (SEA)
- Flights from Terrace (YXT) to Seattle (SEA)
- Flights from Bogotá (BOG) to Seattle (SEA)
- Flights from Richmond (RIC) to Seattle (SEA)
- Flights from Raleigh (RDU) to Seattle (SEA)
- Flights from Denver (DEN) to Seattle (SEA)
- Flights from Kansas City (MCI) to Seattle (SEA)
- Flights from Las Vegas (LAS) to Seattle (SEA)
- Flights from Edmonton (YEG) to Seattle (SEA)
- Flights from Tokyo (NRT) to Seattle (SEA)
- Flights from Oakland (OAK) to Seattle (SEA)
- Flights from Kamloops (YKA) to Seattle (SEA)
- Flights from Atlanta (ATL) to Seattle (SEA)
- Flights from Cancun (CUN) to Seattle (SEA)
- Flights from Taipei (TPE) to Seattle (SEA)
- Flights from Houston (HOU) to Seattle (SEA)
- Flights from Philadelphia (PHL) to Seattle (SEA)
- Flights from Salt Lake City (SLC) to Seattle (SEA)
- Flights from Halifax (YHZ) to Seattle (SEA)
- Flights from Ottawa (YOW) to Seattle (SEA)
- Flights from Nanaimo (YCD) to Seattle (SEA)
- Flights from Ontario Intl. Airport (ONT) to Seattle (SEA)
- Flights from Kelowna (YLW) to Seattle (SEA)
- Flights from Dubai (DXB) to Seattle (SEA)
- Flights from Los Angeles (LAX) to Seattle (SEA)
- Flights from Cleveland (CLE) to Seattle (SEA)
- Flights from Chilliwack (YCW) to Seattle (SEA)
- Flights from Hong Kong (HKG) to Seattle (SEA)
- Flights from Newark Liberty Intl. Airport (EWR) to Seattle (SEA)
- Flights from Honolulu (HNL) to Seattle (SEA)
- Flights from Cranbrook (YXC) to Seattle (SEA)