Nonstop flights from San Diego to Seattle
3 airlines fly this route, with up to 17 flights a day.
When they leave
San Diego time13 in the morning, 6:15 AM to 11:30 AM, then eight in the afternoon, 1:34 PM to 4:50 PM, then six in the evening, 5:35 PM to 8:36 PM.
Every flight
Earliest first
Schedules last checked Sep 19, 2026. Times are local.
Flying from San Diego to Seattle
Alaska Airlines flies most often, 7 to 10 times a day on the Boeing 737, Boeing 737 MAX 9 and Boeing 737-800. Delta Air Lines flies 4 to 5 times a day on the Boeing 737-800 and Boeing 737. Southwest Airlines flies twice a day on the Boeing 737-700 and Boeing 737.
Flights run every day of the week, from 13 on Saturdays to 17 on Tuesdays and Sundays. The first arrival in Seattle is at 9:19 AM and the last at 11:42 PM. The flight covers 1,051 miles.
Flying back, Seattle to San Diego has 109 nonstop flights a week.
Return flights
More from San Diego
Find the cheapest day to fly from San Diego to Seattle.
Schedules as of Oct 9, 2026.