
Book Cheap Delta flight from Toronto (YYZ) to Seattle (SEA) from CA $234
Find The Best Day to Book a Cheap Delta Flights From Toronto to Seattle
Cheapest Delta Flights from Toronto (YYZ) to Seattle (SEA)
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $381 round trip and CA $234 one way. Prices and availability subject to change. Additional terms may apply.
SEA From YYZ Economy Coach Packages on Similar Airlines



Frequently asked questions
Grab a great Delta flight from YYZ to SEA
To find a great deal on Delta 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 Delta Toronto to Seattle 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 Delta between Toronto and Seattle
Delta 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 Toronto to Seattle with Delta are April.
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 Delta 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 |
|---|---|---|---|
| ATL | USA | Hartsfield-Jackson Atlanta Intl. | 252 |
| DTW | USA | Detroit Metropolitan Wayne County | 156 |
| MSP | USA | Minneapolis - St. Paul Intl. | 131 |
| SLC | USA | Salt Lake City Intl. | 116 |
| SEA | USA | Seattle - Tacoma Intl. | 57 |
| LAX | USA | Los Angeles Intl. | 41 |
| AMS | NLD | Schiphol | 31 |
| YYC | CAN | Calgary Intl. | 26 |
| YYZ | CAN | Pearson Intl. | 24 |
| JFK | USA | John F. Kennedy Intl. | 23 |
Travelers ❤️ these 🏨 after their flight to Seattle

DoubleTree by Hilton Seattle Airport
Our room was the furthest away from the lobby you can get. Difficult to find and very dated
Reviewed on Mar 18, 2026

Coast Gateway Hotel
Easy and convenient
Reviewed on Mar 18, 2026

Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
Very clean and comfortable especially after a canceled flight. Close enough to restaurants. Affordable snacks in the little store!
Reviewed on Mar 17, 2026
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