Cheap flights from St. Louis to Northern California from CA $178

View CA $178 flight on Tue, May 27, 2025Opens in a new window

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Cheap flights from St. Louis (STL) to Northern California (ACV)

Prices were available within the past 7 days and start at CA $178 for one-way flights and CA $474 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat., May 3 - Sat., May 10
STL
St. Louis
SFO
San Francisco
CA $474 Roundtrip, found 1 day ago
CA $474
Roundtrip
found 1 day ago
Select Delta flight, departing Sat., May 3 from St. Louis to San Francisco, returning Sat., May 10, priced at CA $474 found 1 day ago
American Airlines
Sat., May 3 - Sat., May 10
STL
St. Louis
SFO
San Francisco
CA $477 Roundtrip, found 1 day ago
CA $477
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat., May 3 from St. Louis to San Francisco, returning Sat., May 10, priced at CA $477 found 1 day ago
Delta
Tue., May 27 - Sat., May 31
STL
St. Louis
SFO
San Francisco
CA $515 Roundtrip, found 1 day ago
CA $515
Roundtrip
found 1 day ago
Select Delta flight, departing Tue., May 27 from St. Louis to San Francisco, returning Sat., May 31, priced at CA $515 found 1 day ago
Alaska Airlines
Sat., May 3 - Sat., May 10
STL
St. Louis
SFO
San Francisco
CA $518 Roundtrip, found 1 day ago
CA $518
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat., May 3 from St. Louis to San Francisco, returning Sat., May 10, priced at CA $518 found 1 day ago
American Airlines
Sat., May 3 - Sat., May 10
STL
St. Louis
SFO
San Francisco
CA $523 Roundtrip, found 1 day ago
CA $523
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat., May 3 from St. Louis to San Francisco, returning Sat., May 10, priced at CA $523 found 1 day ago
Southern Airways Express
Fri., May 30 - Mon., Jun. 2
STL
St. Louis
SFO
San Francisco
CA $633 Roundtrip, found 1 day ago
CA $633
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Fri., May 30 from St. Louis to San Francisco, returning Mon., Jun. 2, priced at CA $633 found 1 day ago
*Available to Expedia members.