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Get United's best fares today on flights from Denver to Saint Louis from

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FromToDatesFare TypePrice

Denver (DEN)

Saint Louis (STL)

Depart: 12/17/19

Return date 12/19/19

Roundtrip
from
$158*
Viewed:14hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 11/25/19

Return date 12/01/19

Roundtrip
from
$692*
Viewed:16hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 12/15/19

Return date 12/18/19

Roundtrip
from
$204*
Viewed:16hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 02/15/20

Return date 02/29/20

Roundtrip
from
$217*
Viewed:16hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 02/16/20

Return date 03/01/20

Roundtrip
from
$241*
Viewed:16hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 02/20/20

Return date 03/05/20

Roundtrip
from
$247*
Viewed:16hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 02/26/20

Return date 03/11/20

Roundtrip
from
$132*
Viewed:16hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 03/02/20

Return date 03/16/20

Roundtrip
from
$192*
Viewed:16hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 02/18/20

Return date 03/03/20

Roundtrip
from
$158*
Viewed:16hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 02/06/20

Return date 02/20/20

Roundtrip
from
$219*
Viewed:16hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Saint Louis

Friday overcast clouds
43°F 11/22/19
Saturday overcast clouds
42°F 11/23/19
Sunday sky is clear
47°F 11/24/19
Monday broken clouds
55°F 11/25/19
Tuesday light rain
57°F 11/26/19
Wednesday overcast clouds
39°F 11/27/19
Thursday scattered clouds
45°F 11/28/19
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