CA $383 Cheap Alaska Airlines fights from St. Louis (STL) to San Jose (SJC)

View CA $383 flight on Sun, Oct. 26, 2025Opens in a new window

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Alaska Airlines flights from St. Louis to San Jose (STL→SJC)

Prices were available within the past 7 days and start at CA $383 for one-way flights and CA $609 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Oct. 26 - Wed, Oct. 29
STL
St. Louis
SJC
San Jose
CA $609 Roundtrip, found 15 hours ago
CA $609
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Sun, Oct. 26 from St. Louis to San Jose, returning Wed, Oct. 29, priced at CA $609 found 15 hours ago
Alaska Airlines
Sun, Oct. 26 - Wed, Oct. 29
STL
St. Louis
SJC
San Jose
CA $647 Roundtrip, found 15 hours ago
CA $647
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Sun, Oct. 26 from St. Louis to San Jose, returning Wed, Oct. 29, priced at CA $647 found 15 hours ago
Alaska Airlines
Sun, Oct. 26 - Wed, Oct. 29
STL
St. Louis
SJC
San Jose
CA $672 Roundtrip, found 15 hours ago
CA $672
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Sun, Oct. 26 from St. Louis to San Jose, returning Wed, Oct. 29, priced at CA $672 found 15 hours ago
Alaska Airlines
Sun, Oct. 26 - Wed, Oct. 29
STL
St. Louis
SJC
San Jose
CA $678 Roundtrip, found 15 hours ago
CA $678
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Sun, Oct. 26 from St. Louis to San Jose, returning Wed, Oct. 29, priced at CA $678 found 15 hours ago
Alaska Airlines
Sun, Oct. 26 - Wed, Oct. 29
STL
St. Louis
SJC
San Jose
CA $781 Roundtrip, found 15 hours ago
CA $781
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Sun, Oct. 26 from St. Louis to San Jose, returning Wed, Oct. 29, priced at CA $781 found 15 hours ago
Flight from St. Louis to San Jose (STL - SJC) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Norman Y. Mineta San Jose Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta
Popular airline
Alaska Airlines
Distance
2737 km
Average flight time
4 hours 57 mins
*Available to Expedia members.