Travel with Air Canada from Seattle to Toronto (SEA - YTO) from CAD 138*
*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 | Jan 27, 2026 | From 10,400 pts + CAD 40 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Dec 27, 2025 | From 24,000 pts + CAD 40 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Dec 28, 2025 | From 33,200 pts + CAD 40 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jan 25, 2026 | From 10,600 pts + CAD 40 Viewed: 23 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jan 03, 2026 | From 30,000 pts + CAD 76 Viewed: 23 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jan 05, 2026 | From 12,500 pts + CAD 79 Viewed: 9 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jan 09, 2026 | From 12,500 pts + CAD 79 Viewed: 3 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jan 04, 2026 | From 14,600 pts + CAD 86 Viewed: 9 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Apr 04, 2026 | From 42,800 pts + CAD 79 Viewed: 3 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.