Travel with Air Canada from Seattle to Toronto (SEA - YTO) from CAD 232*
*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 | May 08, 2026 | From 12,500 pts + CAD 79 Viewed: 1 minute ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Sep 01, 2026 | From 12,500 pts + CAD 79 Viewed: 13 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Aug 29, 2026 | From 12,500 pts + CAD 79 Viewed: 13 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | May 01, 2026 | From 12,500 pts + CAD 79 Viewed: 7 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | May 02, 2026 | From 12,500 pts + CAD 79 Viewed: 7 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | May 06, 2026 | From 12,500 pts + CAD 79 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Aug 31, 2026 | From 12,500 pts + CAD 79 Viewed: 13 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | May 05, 2026 | From 12,500 pts + CAD 79 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Aug 26, 2026 | From 12,600 pts + CAD 79 Viewed: 16 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Aug 27, 2026 | From 14,000 pts + CAD 79 Viewed: 16 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Aug 28, 2026 | From 16,100 pts + CAD 79 Viewed: 16 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Sep 02, 2026 | From 16,100 pts + CAD 79 Viewed: 13 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Sep 03, 2026 | From 17,500 pts + CAD 79 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | May 20, 2026 | From 20,500 pts + CAD 79 Viewed: 1 day ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Aug 30, 2026 | From 22,500 pts + CAD 79 Viewed: 13 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | May 26, 2026 | From 25,000 pts + CAD 158 Viewed: 17 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jun 18, 2026 | From 29,000 pts + CAD 40 Viewed: 13 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Jul 26, 2026 | From 31,800 pts + CAD 40 Viewed: 17 hours ago |
| Seattle (SEA) | Toronto (YYZ) | One-way / Economy | Sep 07, 2026 | From 32,600 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.