Cheap flights from San Diego to Seattle
From 145 USD — compare hundreds of airlines
Direct flightsCheapest: 2026-07 · 101 US$
Prices by date
101 US$
22/07
Airlines on this route
FAQ
What's the cheapest month to fly San Diego to Seattle?
Usually 2026-07, from 101 USD.
Are there direct flights from San Diego to Seattle?
We show both direct and connecting options — filter to compare.