Seattle to San Diego (SEA–SAN) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
SEA–SAN is served by 3 airlines with nonstop service. Alaska Airlines, Delta Air Lines and Southwest Airlines lead the route. The flight covers 1,052 miles in approximately 2h 43m. Beyond nonstop, 99 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AS Alaska Airlines Also: DE, FI, HA, JX, KE, QR | 67 | 739, 73H, 73J, 7M8, 7M9, B38M | 2h49-3h05 | Oneworld | DE, FI, HA, JX, KE, QR | |
| DL Delta Air Lines Also: AF, KE, VS, WS | 35 | 221, 738, 739, BCS3 | 2h43-2h59 | SkyTeam | AF, KE, VS, WS | |
| WN Southwest Airlines | 8 | 7S7, B38M | 2h55 | – | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach San Diego from Seattle
| Metric | SEA→SAN | BFI→SAN | PAE→SAN |
|---|---|---|---|
| Distance from SEA | – | 5 mi | 32 mi |
| Nonstop airlines | 3 | 4 | 2 |
| Weekly flights | 240 | 1 | 7 |
| Flight time | 2h 43m | 2h 19m | 2h 50m |
| Departure OTP | 90% | – | – |
Travel Essentials
SEA: PDT · SAN: PDT
When it's 6:00 PM in Seattle, it's 6:00 PM in San Diego.
Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).
Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.
SEA–SAN Quick Facts
Frequently Asked Questions
Flights from SEA to SAN
Seattle–Tacoma International Airport (SEA) and San Diego International Airport (SAN) are connected by nonstop service from Alaska Airlines, Delta Air Lines and Southwest Airlines. With 240 weekly departures, this is a heavily served route.
SEA to SAN Flight Duration and Schedule
Nonstop flight time from SEA to SAN ranges from 2 hours 43 minutes to 3 hours 5 minutes. The route covers a distance of 1,052 miles (1,692 km). There are approximately 240 weekly flights outbound and 270 return, totaling 510 flights per week in both directions.
Connecting Options and Alternatives
99 one-stop connections are available, with the fastest taking approximately 4 hours via BFI. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (BFI) and Everett (PAE).