$139 Cheap United flights San Francisco (SFO) to St. Louis (STL)

$139 Cheap United flights San Francisco (SFO) to St. Louis (STL)

Prices were available within the past 7 days and start at $139 for one-way flights and $859 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 21 - Sat, Jun 21

SFO

San Francisco

STL

St. Louis

$859 Roundtrip, found 17 hours ago

$859

Roundtrip

found 17 hours ago

Select United flight, departing Sat, Jun 21 from San Francisco to St. Louis, returning Sat, Jun 21, priced at $859 found 17 hours ago

Wed, Jun 18 - Tue, Jun 24

SFO

San Francisco

STL

St. Louis

$905 Roundtrip, found 17 hours ago

$905

Roundtrip

found 17 hours ago

Select United flight, departing Wed, Jun 18 from San Francisco to St. Louis, returning Tue, Jun 24, priced at $905 found 17 hours ago

Wed, Jun 18 - Tue, Jun 24

SFO

San Francisco

STL

St. Louis

$935 Roundtrip, found 17 hours ago

$935

Roundtrip

found 17 hours ago

Select United flight, departing Wed, Jun 18 from San Francisco to St. Louis, returning Tue, Jun 24, priced at $935 found 17 hours ago

Wed, Jun 18 - Tue, Jun 24

SFO

San Francisco

STL

St. Louis

$936 Roundtrip, found 17 hours ago

$936

Roundtrip

found 17 hours ago

Select United flight, departing Wed, Jun 18 from San Francisco to St. Louis, returning Tue, Jun 24, priced at $936 found 17 hours ago

Wed, Jun 18 - Tue, Jun 24

SFO

San Francisco

STL

St. Louis

$982 Roundtrip, found 17 hours ago

$982

Roundtrip

found 17 hours ago

Select United flight, departing Wed, Jun 18 from San Francisco to St. Louis, returning Tue, Jun 24, priced at $982 found 17 hours ago