Travel with Air Canada from Seattle to Toronto (SEA - YTO) from CAD 282*
*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 01, 2026 | From 12,800 pts + CAD 79 Viewed: 16 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | May 11, 2027 | From 15,100 pts + CAD 40 Viewed: 5 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | May 09, 2027 | From 15,100 pts + CAD 40 Viewed: 5 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | May 08, 2027 | From 15,100 pts + CAD 40 Viewed: 5 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | May 07, 2027 | From 16,100 pts + CAD 77 Viewed: 5 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jul 07, 2026 | From 37,500 pts + CAD 245 Viewed: 22 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | May 21, 2026 | From 40,700 pts + CAD 79 Viewed: 1 minute ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jul 06, 2026 | From 44,600 pts + CAD 158 Viewed: 22 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Dec 04, 2026 | From 12,500 pts + CAD 79 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Dec 05, 2026 | From 12,500 pts + CAD 40 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Dec 06, 2026 | From 12,500 pts + CAD 40 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Aug 10, 2026 | From 29,800 pts + CAD 40 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.