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 $280 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 9 - Wed, Jun 10

STL

St. Louis

SFO

San Francisco

$280 Roundtrip, found 1 day ago

$280

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 9 from St. Louis to San Francisco, returning Wed, Jun 10, priced at $280 found 1 day ago

Sat, Jun 6 - Wed, Jun 10

STL

St. Louis

SFO

San Francisco

$294 Roundtrip, found 1 day ago

$294

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 6 from St. Louis to San Francisco, returning Wed, Jun 10, priced at $294 found 1 day ago

Tue, Jun 9 - Mon, Jun 15

STL

St. Louis

SFO

San Francisco

$299 Roundtrip, found 1 day ago

$299

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 9 from St. Louis to San Francisco, returning Mon, Jun 15, priced at $299 found 1 day ago

Tue, Jun 9 - Fri, Jun 12

STL

St. Louis

SFO

San Francisco

$300 Roundtrip, found 1 day ago

$300

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 9 from St. Louis to San Francisco, returning Fri, Jun 12, priced at $300 found 1 day ago

Sat, Jun 6 - Mon, Jun 15

STL

St. Louis

SFO

San Francisco

$313 Roundtrip, found 1 day ago

$313

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 6 from St. Louis to San Francisco, returning Mon, Jun 15, priced at $313 found 1 day ago

Sat, Jun 6 - Fri, Jun 12

STL

St. Louis

SFO

San Francisco

$314 Roundtrip, found 1 day ago

$314

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 6 from St. Louis to San Francisco, returning Fri, Jun 12, priced at $314 found 1 day ago

Fri, Jun 12 - Mon, Jun 15

STL

St. Louis

SFO

San Francisco

$319 Roundtrip, found 1 day ago

$319

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jun 12 from St. Louis to San Francisco, returning Mon, Jun 15, priced at $319 found 1 day ago

Tue, Jun 9 - Thu, Jun 11

STL

St. Louis

SFO

San Francisco

$320 Roundtrip, found 1 day ago

$320

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 9 from St. Louis to San Francisco, returning Thu, Jun 11, priced at $320 found 1 day ago

Sat, Jun 6 - Thu, Jun 11

STL

St. Louis

SFO

San Francisco

$334 Roundtrip, found 1 day ago

$334

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 6 from St. Louis to San Francisco, returning Thu, Jun 11, priced at $334 found 1 day ago

Thu, Jun 11 - Mon, Jun 15

STL

St. Louis

SFO

San Francisco

$339 Roundtrip, found 1 day ago

$339

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 11 from St. Louis to San Francisco, returning Mon, Jun 15, priced at $339 found 1 day ago

Thu, Jun 11 - Fri, Jun 12

STL

St. Louis

SFO

San Francisco

$340 Roundtrip, found 1 day ago

$340

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 11 from St. Louis to San Francisco, returning Fri, Jun 12, priced at $340 found 1 day ago

Thu, Jun 11 - Sat, Jun 13

STL

St. Louis

SFO

San Francisco

$360 Roundtrip, found 1 day ago

$360

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 11 from St. Louis to San Francisco, returning Sat, Jun 13, priced at $360 found 1 day ago