
$82 Cheap flight deals from Seattle (SEA) to Southwestern Ontario (YTO)
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This Weekend's Flight Deals from Seattle to Southwestern 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 $82 One Way, $207 Round Trip from Seattle to Southwestern Ontario
Prices starting at $207 for return flights and $82 for one-way flights to Southwestern 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.
Southwestern Ontario economy flight packages

Residence Inn by Marriott Toronto Downtown / Entertainment District
Feb 13 - Feb 17
Seattle (SEA) to Toronto (YYZ)
Toronto (YYZ) to Seattle (SEA)
Reviewed on Jul 9, 2025

Hotel Riu Plaza Toronto
Feb 13 - Feb 17
Seattle (SEA) to Toronto (YYZ)
Toronto (YYZ) to Seattle (SEA)
Reviewed on Nov 13, 2025

One King West Hotel & Residence
Feb 13 - Feb 17
Seattle (SEA) to Toronto (YYZ)
Toronto (YYZ) to Seattle (SEA)
Reviewed on Apr 20, 2025
More About Flying To Southwestern Ontario from Seattle
Route Information for Flights from Seattle to Southwestern Ontario
Origin Airport IATA Code | SEA |
|---|---|
Destination Airport IATA Code | YTO |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Seattle to Southwestern Ontario
Low Cost Flights From Seattle to Southwestern Ontario
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Take advantage of amazing sales on international and domestic fares, including bargain flights from Seattle to Southwestern Ontario. Not only do you find cheap deals on Orbitz, we make researching and planning your trip online and booking your tickets a breeze. Our discount Seattle to Southwestern Ontario flights keep more money in your pocket for your travel adventures.
Plan Flights From Seattle to Southwestern Ontario Anywhere, Anytime
Planning your vacation has never been easier using the convenient Orbitz apps available for most mobile devices. If there are any changes or delays for Seattle to Southwestern Ontario flights, Orbitz customers receive instant free alerts via email or mobile phone text message. Change or cancel flights from Seattle to Southwestern Ontario anytime online or by calling our Customer Service representatives.
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Earn points or miles on your low fare Seattle to Southwestern Ontario flights with Orbitz, just as you would by booking directly with the airline. Be sure to include your frequent flyer details when you book qualifying flights from Seattle to Southwestern Ontario on the Orbitz website.
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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.



