$119 Cheap United flights St. Louis (STL) to Denver (DEN)

$119 Cheap United flights St. Louis (STL) to Denver (DEN)

Prices were available within the past 7 days and start at $119 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 30 - Mon, Oct 6

STL

St. Louis

DEN

Denver

$160 Roundtrip, found 6 days ago

$160

Roundtrip

found 6 days ago

Select United flight, departing Tue, Sep 30 from St. Louis to Denver, returning Mon, Oct 6, priced at $160 found 6 days ago

Sat, Oct 4 - Thu, Oct 9

STL

St. Louis

DEN

Denver

$184 Roundtrip, found 4 days ago

$184

Roundtrip

found 4 days ago

Select United flight, departing Sat, Oct 4 from St. Louis to Denver, returning Thu, Oct 9, priced at $184 found 4 days ago