Nonstop flights from Seattle to San Diego
3 airlines fly this route, with up to 17 flights a day.
When they leave
Seattle timeEight in the morning, 6:21 AM to 11:26 AM, then four in the afternoon, 12:14 PM to 4:45 PM, then six in the evening, 5:50 PM to 9:04 PM.
Every flight
Earliest first
Schedules last checked Sep 19, 2026. Times are local.
Flying from Seattle to San Diego
Alaska Airlines flies most often, 7 to 10 times a day on the Boeing 737 and Boeing 737 MAX 9. 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 MAX 8 and Boeing 737-700.
Flights run every day of the week, from 13 on Saturdays to 17 on Sundays. The first arrival in San Diego is at 9:10 AM and the last at 11:56 PM. The flight covers 1,051 miles.
Flying back, San Diego to Seattle has 110 nonstop flights a week.
Return flights
More from Seattle
Find the cheapest day to fly from Seattle to San Diego.
Schedules as of Oct 9, 2026.