$166 Cheap Frontier Airlines flights St. Louis (STL) to San Francisco (SFO)

$166 Cheap Frontier Airlines flights St. Louis (STL) to San Francisco (SFO)

Prices were available within the past 7 days and start at $166 for one-way flights and $192 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 9 - Mon, Apr 13

STL

St. Louis

SFO

San Francisco

$192 Roundtrip, found 23 hours ago

$192

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Thu, Apr 9 from St. Louis to San Francisco, returning Mon, Apr 13, priced at $192 found 23 hours ago

Tue, Mar 24 - Wed, Apr 8

STL

St. Louis

SFO

San Francisco

$227 Roundtrip, found 7 hours ago

$227

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Tue, Mar 24 from St. Louis to San Francisco, returning Wed, Apr 8, priced at $227 found 7 hours ago

Sat, Mar 7 - Tue, Mar 17

STL

St. Louis

SFO

San Francisco

$246 Roundtrip, found 7 hours ago

$246

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sat, Mar 7 from St. Louis to San Francisco, returning Tue, Mar 17, priced at $246 found 7 hours ago

Mon, Mar 23 - Wed, Apr 8

STL

St. Louis

SFO

San Francisco

$261 Roundtrip, found 7 hours ago

$261

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Mon, Mar 23 from St. Louis to San Francisco, returning Wed, Apr 8, priced at $261 found 7 hours ago

Tue, Mar 24 - Fri, Apr 10

STL

St. Louis

SFO

San Francisco

$262 Roundtrip, found 7 hours ago

$262

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Tue, Mar 24 from St. Louis to San Francisco, returning Fri, Apr 10, priced at $262 found 7 hours ago

Mon, Mar 9 - Mon, Mar 23

STL

St. Louis

SFO

San Francisco

$280 Roundtrip, found 7 hours ago

$280

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Mon, Mar 9 from St. Louis to San Francisco, returning Mon, Mar 23, priced at $280 found 7 hours ago

Sat, Mar 7 - Mon, Mar 16

STL

St. Louis

SFO

San Francisco

$281 Roundtrip, found 7 hours ago

$281

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sat, Mar 7 from St. Louis to San Francisco, returning Mon, Mar 16, priced at $281 found 7 hours ago