$276 Cheap Frontier Airlines flights San Francisco (SFO) to St. Louis (STL)

$276 Cheap Frontier Airlines flights San Francisco (SFO) to St. Louis (STL)

Prices were available within the past 7 days and start at $276 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 31 - Wed, Jan 7

SFO

San Francisco

STL

St. Louis

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 31 from San Francisco to St. Louis, returning Wed, Jan 7, priced at $237 found 1 day ago

Thu, Jan 1 - Wed, Jan 7

SFO

San Francisco

STL

St. Louis

$243 Roundtrip, found 1 day ago

$243

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jan 1 from San Francisco to St. Louis, returning Wed, Jan 7, priced at $243 found 1 day ago

Thu, Jan 1 - Mon, Jan 5

SFO

San Francisco

STL

St. Louis

$264 Roundtrip, found 2 days ago

$264

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jan 1 from San Francisco to St. Louis, returning Mon, Jan 5, priced at $264 found 2 days ago

Fri, Jan 2 - Wed, Jan 7

SFO

San Francisco

STL

St. Louis

$277 Roundtrip, found 1 day ago

$277

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jan 2 from San Francisco to St. Louis, returning Wed, Jan 7, priced at $277 found 1 day ago

Sat, Jan 3 - Wed, Jan 7

SFO

San Francisco

STL

St. Louis

$322 Roundtrip, found 1 day ago

$322

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jan 3 from San Francisco to St. Louis, returning Wed, Jan 7, priced at $322 found 1 day ago

Wed, Dec 31 - Sun, Jan 4

SFO

San Francisco

STL

St. Louis

$337 Roundtrip, found 2 days ago

$337

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Dec 31 from San Francisco to St. Louis, returning Sun, Jan 4, priced at $337 found 2 days ago

Thu, Jan 1 - Sun, Jan 4

SFO

San Francisco

STL

St. Louis

$343 Roundtrip, found 2 days ago

$343

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jan 1 from San Francisco to St. Louis, returning Sun, Jan 4, priced at $343 found 2 days ago

Tue, Dec 30 - Wed, Jan 7

SFO

San Francisco

STL

St. Louis

$352 Roundtrip, found 1 day ago

$352

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 30 from San Francisco to St. Louis, returning Wed, Jan 7, priced at $352 found 1 day ago