Skip to content

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

Select journey type

Enter to select travel class and passengers

Low fare calendar for flights from Denver (DEN) to Saint Louis (STL)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
from
$229*
Viewed:9 hours ago
Economy
Return:12/22/19
16
from
$219*
Viewed:9 hours ago
Economy
Return:12/23/19
17
from
$229*
Viewed:9 hours ago
Economy
Return:12/24/19
18
from
$229*
Viewed:9 hours ago
Economy
Return:01/01/20
19
from
$219*
Viewed:9 hours ago
Economy
Return:01/02/20
20
from
$229*
Viewed:9 hours ago
Economy
Return:01/03/20
21
from
$219*
Viewed:9 hours ago
Economy
Return:01/04/20
22
No available fares
23
from
$229*
Viewed:9 hours ago
Economy
Return:12/30/19
24
from
$219*
Viewed:9 hours ago
Economy
Return:12/31/19
25
from
$229*
Viewed:9 hours ago
Economy
Return:01/01/20
26
from
$219*
Viewed:9 hours ago
Economy
Return:01/09/20
27
from
$229*
Viewed:9 hours ago
Economy
Return:01/03/20
28
from
$229*
Viewed:9 hours ago
Economy
Return:01/04/20
29
from
$219*
Viewed:9 hours ago
Economy
Return:01/05/20
30
from
$229*
Viewed:9 hours ago
Economy
Return:01/06/20
31
from
$219*
Viewed:9 hours ago
Economy
Return:01/14/20
from
$219*
Viewed:9 hours ago
Economy
Return:01/08/20
from
$219*
Viewed:9 hours ago
Economy
Return:01/16/20
from
$219*
Viewed:9 hours ago
Economy
Return:01/10/20
from
$219*
Viewed:9 hours ago
Economy
Return:01/11/20
Lowest PriceToday
*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.

Looking for additional flights from Denver to Saint Louis?

FromToDatesFare TypePrice

Denver (DEN)

Saint Louis (STL)

Depart: 01/14/20

Return: 01/28/20

Roundtrip
from
USD97*
Viewed:8hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 01/15/20

Return: 01/29/20

Roundtrip
from
USD97*
Viewed:8hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 01/17/20

Return: 01/31/20

Roundtrip
from
USD97*
Viewed:8hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 01/23/20

Return: 02/06/20

Roundtrip
from
USD97*
Viewed:8hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 01/24/20

Return: 02/07/20

Roundtrip
from
USD97*
Viewed:8hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 01/26/20

Return: 02/09/20

Roundtrip
from
USD97*
Viewed:8hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 02/04/20

Return: 02/18/20

Roundtrip
from
USD97*
Viewed:8hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 02/01/20

Return: 02/15/20

Roundtrip
from
USD97*
Viewed:8hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 01/25/20

Return: 02/08/20

Roundtrip
from
USD97*
Viewed:8hoursago

Denver (DEN)

Saint Louis (STL)

Depart: 02/07/20

Return: 02/21/20

Roundtrip
from
USD97*
Viewed:8hoursago

*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

Sunday overcast clouds
33°F 12/15/19
Monday snow
31°F 12/16/19
Tuesday sky is clear
26°F 12/17/19
Wednesday sky is clear
24°F 12/18/19
Thursday broken clouds
34°F 12/19/19
Friday moderate rain
34°F 12/20/19
Saturday overcast clouds
34°F 12/21/19
Powered by: OpenWeatherMap.org