Travel with Air Canada from Seattle to Toronto (SEA - YTO) from CAD 284*
*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.
Flights between Seattle and Toronto - our lowest fares in cash
*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.
Flights between Seattle and Toronto - our lowest fares in points
From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jul 09, 2026 | From 12,500 pts + CAD 80 Viewed: 17 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jul 25, 2026 | From 33,100 pts + CAD 41 Viewed: 12 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Aug 24, 2026 | From 45,000 pts + CAD 167 Viewed: 7 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Aug 23, 2026 | From 68,200 pts + CAD 89 Viewed: 7 hours ago |
*Points displayed do not reflect preferred pricing for Aeroplan Elite Status Members and/or Aeroplan Credit Cardholders. Prices have been collected within the past 48 hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.