$79 Cheap United flights St. Louis (STL) to Denver (DEN)

$79 Cheap United flights St. Louis (STL) to Denver (DEN)

Prices were available within the past 7 days and start at $79 for one-way flights and $140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 27 - Sat, Oct 4

STL

St. Louis

DEN

Denver

$140 Roundtrip, found 4 days ago

$140

Roundtrip

found 4 days ago

Select United flight, departing Sat, Sep 27 from St. Louis to Denver, returning Sat, Oct 4, priced at $140 found 4 days ago

Sat, Sep 27 - Sat, Oct 4

STL

St. Louis

DEN

Denver

$157 Roundtrip, found 4 days ago

$157

Roundtrip

found 4 days ago

Select United flight, departing Sat, Sep 27 from St. Louis to Denver, returning Sat, Oct 4, priced at $157 found 4 days ago

Sat, Sep 27 - Sat, Oct 4

STL

St. Louis

DEN

Denver

$175 Roundtrip, found 4 days ago

$175

Roundtrip

found 4 days ago

Select United flight, departing Sat, Sep 27 from St. Louis to Denver, returning Sat, Oct 4, priced at $175 found 4 days ago

Sat, Sep 27 - Sat, Oct 4

STL

St. Louis

DEN

Denver

$177 Roundtrip, found 4 days ago

$177

Roundtrip

found 4 days ago

Select United flight, departing Sat, Sep 27 from St. Louis to Denver, returning Sat, Oct 4, priced at $177 found 4 days ago

Sun, Sep 28 - Tue, Oct 7

STL

St. Louis

DEN

Denver

$179 Roundtrip, found 18 hours ago

$179

Roundtrip

found 18 hours ago

Select United flight, departing Sun, Sep 28 from St. Louis to Denver, returning Tue, Oct 7, priced at $179 found 18 hours ago

Sat, Sep 27 - Sat, Oct 4

STL

St. Louis

DEN

Denver

$180 Roundtrip, found 4 days ago

$180

Roundtrip

found 4 days ago

Select United flight, departing Sat, Sep 27 from St. Louis to Denver, returning Sat, Oct 4, priced at $180 found 4 days ago