CA $360 Cheap Alaska Airlines fights from St. Louis (STL) to San Diego (SAN)

View CA $360 flight on Fri, May 9, 2025Opens in a new window

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Alaska Airlines flights from St. Louis to San Diego (STL→SAN)

Prices were available within the past 7 days and start at CA $360 for one-way flights and CA $556 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri., May 9 - Fri., May 16
STL
St. Louis
SAN
San Diego
CA $556 Roundtrip, found 2 days ago
CA $556
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri., May 9 from St. Louis to San Diego, returning Fri., May 16, priced at CA $556 found 2 days ago
Alaska Airlines
Thu., May 29 - Thu., Jun. 5
STL
St. Louis
SAN
San Diego
CA $579 Roundtrip, found 5 days ago
CA $579
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu., May 29 from St. Louis to San Diego, returning Thu., Jun. 5, priced at CA $579 found 5 days ago
Alaska Airlines
Thu., May 29 - Thu., Jun. 5
STL
St. Louis
SAN
San Diego
CA $598 Roundtrip, found 5 days ago
CA $598
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu., May 29 from St. Louis to San Diego, returning Thu., Jun. 5, priced at CA $598 found 5 days ago
Alaska Airlines
Thu., May 29 - Thu., Jun. 5
STL
St. Louis
SAN
San Diego
CA $622 Roundtrip, found 5 days ago
CA $622
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu., May 29 from St. Louis to San Diego, returning Thu., Jun. 5, priced at CA $622 found 5 days ago
Alaska Airlines
Fri., May 9 - Fri., May 16
STL
St. Louis
SAN
San Diego
CA $635 Roundtrip, found 2 days ago
CA $635
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri., May 9 from St. Louis to San Diego, returning Fri., May 16, priced at CA $635 found 2 days ago
Alaska Airlines
Fri., May 9 - Fri., May 16
STL
St. Louis
SAN
San Diego
CA $647 Roundtrip, found 2 days ago
CA $647
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri., May 9 from St. Louis to San Diego, returning Fri., May 16, priced at CA $647 found 2 days ago
Flight from St. Louis to San Diego (STL - SAN) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
San Diego Intl.
Distance
2487 km
*Available to Expedia members.