Cheap flights from St. Louis to Bel Marin Keyes

View AU$214 flight on Sat, 27 Sep. 2025Opens in a new window

Popular airlines from St. Louis to Bel Marin Keyes

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Cheap Flights from St. Louis (STL) to Bel Marin Keyes (OAK)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
STL
St. Louis
SFO
San Francisco
AU$535 Return, found 6 days ago
AU$535
Return
found 6 days ago
Select American Airlines flight, departing Mon, 1 Sep. from St. Louis to San Francisco, returning Mon, 8 Sep., priced at AU$535 found 6 days ago
Delta
Mon, 1 Sep. - Mon, 8 Sep.
STL
St. Louis
SFO
San Francisco
AU$589 Return, found 6 days ago
AU$589
Return
found 6 days ago
Select Delta flight, departing Mon, 1 Sep. from St. Louis to San Francisco, returning Mon, 8 Sep., priced at AU$589 found 6 days ago
United
Mon, 1 Sep. - Mon, 8 Sep.
STL
St. Louis
SFO
San Francisco
AU$604 Return, found 6 days ago
AU$604
Return
found 6 days ago
Select United flight, departing Mon, 1 Sep. from St. Louis to San Francisco, returning Mon, 8 Sep., priced at AU$604 found 6 days ago
American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
STL
St. Louis
SFO
San Francisco
AU$612 Return, found 6 days ago
AU$612
Return
found 6 days ago
Select American Airlines flight, departing Mon, 1 Sep. from St. Louis to San Francisco, returning Mon, 8 Sep., priced at AU$612 found 6 days ago
Delta
Mon, 1 Sep. - Mon, 8 Sep.
STL
St. Louis
SFO
San Francisco
AU$615 Return, found 6 days ago
AU$615
Return
found 6 days ago
Select Delta flight, departing Mon, 1 Sep. from St. Louis to San Francisco, returning Mon, 8 Sep., priced at AU$615 found 6 days ago
Delta
Mon, 1 Sep. - Mon, 8 Sep.
STL
St. Louis
SFO
San Francisco
AU$623 Return, found 6 days ago
AU$623
Return
found 6 days ago
Select Delta flight, departing Mon, 1 Sep. from St. Louis to San Francisco, returning Mon, 8 Sep., priced at AU$623 found 6 days ago

Find the cheapest month to fly from St. Louis (STL) to San Francisco (SFO)

October is typically the cheapest month to fly

From AU$181 - AU$504 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.