Flights from Seattle to San Diego
Nonstop flights from Seattle (SEA) to San Diego (SAN) take about 2h 37m (1,692 km). Alaska Airlines and Southwest Airlines fly it. Lowest fare seen: $115 one-way, nonstop (22 Oct 2026).
Photo of San Diego: Kindel Media on Pexels.
When you land in San Diego
The airport transfer and the few things worth sorting before you fly.
Airport transfer
SAN → San Diego, booked before you fly
A private driver meets you in arrivals at a price agreed when you book. Book with Welcome Pickups.
See transfer prices
Seattle Airport · 2 lounges
Find hotels in San Diego
Hotels, hostels & more · Expedia
Airlines flying Seattle to San Diego
Carriers on SEA–SAN according to our route data and nonstop fares seen as of 22 Oct 2026. Not a complete list.
Seattle to San Diego fares by month
Cheapest month seen for a nonstop flight: Dec 2026, from $115 one-way. With stops: Dec 2026, from $113. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.
| Departing | Nonstop from | Cheaper with stops |
|---|---|---|
| Oct 2026 | $29030 Oct 2026 · Southwest Airlines | $172 · 1 stop30 Oct 2026 |
| Nov 2026 | $2921 Nov 2026 · Southwest Airlines | $180 · 1 stop1 Nov 2026 |
| Dec 2026 | $1157 Dec 2026 · Alaska Airlines | $113 · 2 stops7 Dec 2026 |
| Apr 2027 | $1737 Apr 2027 · Alaska Airlines | — |
When to go for the lowest fare
Later departures were cheaper: from $113 in December 2026, against $172 for October 2026.
Nonstop or with a stop
A connection undercut nonstop in 3 of 3 months with both fares.
From Travelpayouts flight-search data, city to city (Seattle to San Diego, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.
More for this trip
Frequently asked questions — Seattle to San Diego flights
How long is the flight from Seattle to San Diego?
How far is Seattle from San Diego by air?
Which airlines fly from Seattle to San Diego?
How much does a flight from Seattle to San Diego cost?
What is the cheapest month to fly from Seattle to San Diego?
Is it cheaper to fly nonstop or with a stop from Seattle to San Diego?
Do I need a visa to travel from Seattle to San Diego?
Sources: fares from Travelpayouts flight-search data, seen 22 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.
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