Alaska Airlines on May 16, 2024 will launch daily nonstop service between Seattle and Toronto, making it the sixth Canadian city they fly to, in addition to Calgary, Edmonton, Kelowna, Vancouver and Victoria. The Toronto flights will operate with Boeing 737-900 aircraft.
New Seattle-Toronto nonstop service
| Route | Start Date | Departs | Arrives | Frequency | Aircraft |
| Seattle – Toronto | May 16, 2024 | 7:00 a.m. | 2:40 p.m. | Daily | 737-900 |
| Toronto – Seattle | May 16, 2024 | 3:40 p.m. | 5:55 p.m. | Daily | 737-900 |
Times are local
Alaska last month announced it had added Canada’s Porter Airlines as an interline partner.
