Cheap Frontier Airlines flights St. Louis (STL) to San Francisco (SFO)

Cheap Frontier Airlines flights St. Louis (STL) to San Francisco (SFO)

Prices were available within the past 7 days and start at for one-way flights and $428 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Mar 12 - Mon, Mar 16

STL

St. Louis

SFO

San Francisco

$428 Roundtrip, found 17 hours ago

$428

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Thu, Mar 12 from St. Louis to San Francisco, returning Mon, Mar 16, priced at $428 found 17 hours ago

Tue, Mar 10 - Thu, Mar 19

STL

St. Louis

SFO

San Francisco

$456 Roundtrip, found 17 hours ago

$456

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Tue, Mar 10 from St. Louis to San Francisco, returning Thu, Mar 19, priced at $456 found 17 hours ago

Thu, Mar 12 - Fri, Mar 13

STL

St. Louis

SFO

San Francisco

$466 Roundtrip, found 17 hours ago

$466

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Thu, Mar 12 from St. Louis to San Francisco, returning Fri, Mar 13, priced at $466 found 17 hours ago

Mon, Mar 16 - Thu, Mar 19

STL

St. Louis

SFO

San Francisco

$592 Roundtrip, found 17 hours ago

$592

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Mon, Mar 16 from St. Louis to San Francisco, returning Thu, Mar 19, priced at $592 found 17 hours ago