$109 Cheap flight deals from Seattle (SEA) to Southern Ontario (YTO)
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This Weekend's Flight Deals from Seattle to Southern Ontario
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $109 One Way, $243 Round Trip from Seattle to Southern Ontario
Prices starting at $243 for return flights and $109 for one-way flights to Southern Ontario were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Southern Ontario economy flight packages
GLOBALSTAY. Modern Downtown Apartments
Sep 8 - Sep 12
Seattle (SEA) to Toronto (YYZ)
Toronto (YYZ) to Seattle (SEA)
Reviewed on Jun 3, 2025
Southern Ontario first class flight packages
Fullerton Manor Inn
Sep 10 - Sep 17
Seattle (SEA) to Toronto (YYZ)
Toronto (YYZ) to Seattle (SEA)
Reviewed on Jul 22, 2025
Vittoria Hotel and Suites
Sep 10 - Sep 17
Seattle (SEA) to Toronto (YYZ)
Toronto (YYZ) to Seattle (SEA)
Reviewed on Jul 22, 2025
Wyndham Grand Fallsview Hotel
Sep 10 - Sep 17
Seattle (SEA) to Toronto (YYZ)
Toronto (YYZ) to Seattle (SEA)
Reviewed on Jul 6, 2025
More About Flying To Southern Ontario from Seattle
Route Information for Flights from Seattle to Southern Ontario
Origin Airport IATA Code | SEA |
|---|---|
Destination Airport IATA Code | YTO |
Distance | 2055 mi |
Direct Flight Airlines | Qatar Airways, Alaska Airlines, Air Canada, Hawaiian Airlines, Air Tahiti Nui, United Airlines |
Earliest Flight Arrival | 10:00PM UTC |
Latest Flight Arrival | 2:45AM UTC |
Seattle to Southern Ontario
Orbitz guarantees you low prices on flights from Seattle to Southern Ontario. In addition to low fares on Seattle to Southern Ontario flights, Orbitz offers fantastic savings on hotels, cruises, vacation packages, and more.
Earn Miles While Saving
Besides helping you fly for the lowest fares, Orbitz lets you earn miles for your frequent flyer program for certain flights from Seattle to Southern Ontario. If you are a member of the frequent flyer or loyalty program offered by the airline you booked through Orbitz or a partner airline’s, simply add your frequent flyer number to your Orbitz reservation to get credit for your Seattle to Southern Ontario flights.
Travel Planning Made Easy
We help take some of the anxiety out of your Seattle to Southern Ontario flights with free flight alerts. We will let you know of flight changes and delays to your flights from Seattle to Southern Ontario by email, voicemail, or text messages to your mobile phone. Alerts can also be sent to up to six other contacts to keep family and business teams informed.
Use Mobile Apps with Orbitz
Orbitz lets you find the best deals on Seattle to Southern Ontario flights while on the go, with our easy-to-use Android and iPhone mobile apps. Easily check flight status, gate numbers, and other flight details all in one place with our app—which is great when you are in a hurry. You can use the apps to access great mobile deals on flights and amazing hotel rooms.
Flights from Seattle
- Seattle to Los Angeles
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.