Skip to content

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

Select journey type

Enter to select travel class and passengers

Book with confidence with United

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

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
from
$795 Price subject to changes
Viewed:20 hours ago
Economy
Return:
3
from
$426 Price subject to changes
Viewed:20 hours ago
Economy
Return:
4
from
$340 Price subject to changes
Viewed:20 hours ago
Economy
Return:
5
from
$385 Price subject to changes
Viewed:10 hours ago
Economy
Return:
6
from
$451 Price subject to changes
Viewed:20 hours ago
Economy
Return:
7
from
$297 Price subject to changes
Viewed:20 hours ago
Economy
Return:
8
from
$336 Price subject to changes
Viewed:20 hours ago
Economy
Return:
9
from
$297 Price subject to changes
Viewed:20 hours ago
Economy
Return:
10
from
$307 Price subject to changes
Viewed:20 hours ago
Economy
Return:
11
from
$257 Price subject to changes
Viewed:a day ago
Economy
Return:
12
from
$317 Price subject to changes
Viewed:10 hours ago
Economy
Return:
13
from
$247 Price subject to changes
Viewed:20 hours ago
Economy
Return:
14
from
$270 Price subject to changes
Viewed:20 hours ago
Economy
Return:
15
from
$247 Price subject to changes
Viewed:10 hours ago
Economy
Return:
16
from
$269 Price subject to changes
Viewed:20 hours ago
Economy
Return:
17
from
$246 Price subject to changes
Viewed:20 hours ago
Economy
Return:
18
from
$197 Price subject to changes
Viewed:20 hours ago
Economy
Return:
19
from
$246 Price subject to changes
Viewed:20 hours ago
Economy
Return:
20
from
$197 Price subject to changes
Viewed:20 hours ago
Economy
Return:
21
from
$197 Price subject to changes
Viewed:21 hours ago
Economy
Return:
22
from
$197 Price subject to changes
Viewed:20 hours ago
Economy
Return:
23
from
$287 Price subject to changes
Viewed:10 hours ago
Economy
Return:
24
from
$246 Price subject to changes
Viewed:20 hours ago
Economy
Return:
25
from
$197 Price subject to changes
Viewed:20 hours ago
Economy
Return:
26
from
$197 Price subject to changes
Viewed:20 hours ago
Economy
Return:
27
from
$187 Price subject to changes
Viewed:20 hours ago
Economy
Return:
28
from
$187 Price subject to changes
Viewed:20 hours ago
Economy
Return:
29
from
$187 Price subject to changes
Viewed:20 hours ago
Economy
Return:
30
from
$187 Price subject to changes
Viewed:10 hours ago
Economy
Return:
31
from
$249 Price subject to changes
Viewed:20 hours ago
Economy
Return:
from
$229 Price subject to changes
Viewed:10 hours ago
Economy
Return:
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 Saint Louis to Denver?

FromToDatesFare TypePrice

Saint Louis (STL)

Denver (DEN)

Depart: 08/09/20

Return: 08/23/20

Roundtrip
from
$177*
Viewed:19hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 08/10/20

Return: 08/24/20

Roundtrip
from
$177*
Viewed:19hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 08/11/20

Return: 08/25/20

Roundtrip
from
$177*
Viewed:19hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 08/12/20

Return: 08/26/20

Roundtrip
from
$177*
Viewed:19hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 08/13/20

Return: 08/27/20

Roundtrip
from
$177*
Viewed:19hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 08/14/20

Return: 08/28/20

Roundtrip
from
$177*
Viewed:19hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 08/15/20

Return: 08/29/20

Roundtrip
from
$177*
Viewed:19hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 08/16/20

Return: 08/30/20

Roundtrip
from
$177*
Viewed:19hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 08/17/20

Return: 08/31/20

Roundtrip
from
$177*
Viewed:19hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 08/18/20

Return: 09/01/20

Roundtrip
from
$177*
Viewed:19hoursago

*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 Denver

Thursday sky is clear
83°F 07/02/20
Friday few clouds
90°F 07/03/20
Saturday moderate rain
89°F 07/04/20
Sunday light rain
85°F 07/05/20
Monday light rain
83°F 07/06/20
Tuesday light rain
94°F 07/07/20
Wednesday light rain
94°F 07/08/20
Powered by: OpenWeatherMap.org