
Book Cheap United flight from Seattle (SEA) to Toronto (YYZ)
Find The Best Day to Book a Cheap United Flights From Seattle to Toronto
Cheapest United Flights from Seattle (SEA) to Toronto (YYZ)
The cheapest flights to Pearson Intl. found within the past 7 days were CA $798 round trip and one way. Prices and availability subject to change. Additional terms may apply.
Frequently asked questions
Grab a great United flight from SEA to YYZ
To find a great deal on United flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying United Seattle to Toronto gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with United between Seattle and Toronto
United has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Seattle to Toronto with United are .
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your United flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| ORD | USA | O'Hare Intl. | 227 |
| DEN | USA | Denver Intl. | 226 |
| IAH | USA | George Bush Intercontinental | 136 |
| IAD | USA | Washington Dulles Intl. | 100 |
| SFO | USA | San Francisco Intl. | 64 |
| LAX | USA | Los Angeles Intl. | 23 |
| EWR | USA | Liberty Intl. | 20 |
| FRA | DEU | Frankfurt Intl. | 19 |
| NRT | JPN | Narita Intl. | 19 |
| PEK | CHN | Capital Intl. | 16 |
Travelers ❤️ these 🏨 after their flight to Toronto

Embassy Suites by Hilton Toronto Airport
Great stay
Reviewed on Oct 28, 2025

Holiday Inn Toronto - Int'l Airport by IHG
Airport shuttle definitely a plus we used it along with the express train at terminal 1 at Toronto airport to get downtown Toronto as it leaves hotel every 1/2. Runs 24 hours a day. Staff at hotel restaurant very friendly a great experience every morning for breakfast . Desk staff also all very pleasant ...
Reviewed on Oct 26, 2025

Hilton Toronto Airport Hotel & Suites
A+
Reviewed on Oct 27, 2025
Want more than a(n) United Flight from Seattle to Toronto?
Popular United Flight Routes from SEA
Top United Flight Routes from YYZ
Domestic
- Toronto to Bridgetown (YYZ - BGI)
- Seattle to Miami (SEA - MIA)
- Vancouver to Los Angeles (YVR - LAX)
- Toronto to Manila (YYZ - MNL)
- Montreal to Dubai (YUL - DXB)
- Toronto to Dubai (YYZ - DXB)
- Toronto to Delhi (YYZ - DEL)
- Toronto to Fort Lauderdale (YYZ - FLL)
- Toronto to Orlando (YYZ - MCO)
- Toronto to Miami (YYZ - MIA)
International
- Vancouver to London (YVR - LHR)
- Toronto to Manila (YYZ - MNL)
- Toronto to Miami (YYZ - MIA)
- Toronto to Orlando (YYZ - MCO)
- Edmonton to Delhi (YEG - DEL)
- Toronto to Fort Lauderdale (YYZ - FLL)
- Vancouver to Delhi (YVR - DEL)
- Seattle to Miami (SEA - MIA)
- Montreal to Guatemala City (YUL - GUA)
- Toronto to Miami (YYZ - MIA)
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