Travel with Air Canada from Seattle to Toronto (SEA - YTO) from CAD 141*
*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 | Aug 19, 2026 | From 12,500 pts + CAD 79 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Dec 12, 2025 | From 12,500 pts + CAD 79 Viewed: 30 minutes ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Dec 11, 2025 | From 12,500 pts + CAD 79 Viewed: 28 minutes ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Dec 14, 2025 | From 14,500 pts + CAD 79 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jun 16, 2026 | From 35,800 pts + CAD 89 Viewed: 1 day 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.