$215 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 $215 One Way, $426 Round Trip from Seattle to Southwestern Ontario
Prices starting at $426 for return flights and $215 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
Sterling Inn & Spa - an Ontario's Finest Inn
Nov 18 - Nov 22
Seattle (SEA) to Toronto (YYZ)
Toronto (YYZ) to Seattle (SEA)
Reviewed on Oct 18, 2026
Finlay House Bed and Breakfast Niagara - on - the - Lake
Nov 18 - Nov 22
Seattle (SEA) to Toronto (YYZ)
Toronto (YYZ) to Seattle (SEA)
Reviewed on Oct 17, 2026
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
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Cheap Flights From Seattle to Southwestern Ontario Through Orbitz
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Frequent Flyer Miles and Points on Your Flights From Seattle to Southwestern Ontario
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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.