Skip to content

United flights from Saint Louis to Denver starting at

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
from
$211 Price subject to changes
Viewed:7 hours ago
Economy
|
Roundtrip
Return:
from
$246 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
from
$202 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
1
from
$151 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
2
from
$202 Price subject to changes
Viewed:5 hours ago
Economy
|
Roundtrip
Return:
3
from
$107 Price subject to changes
Viewed:7 hours ago
Economy
|
Roundtrip
Return:
4
from
$146 Price subject to changes
Viewed:3 hours ago
Economy
|
Roundtrip
Return:
5
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
6
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
7
from
$151 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
8
from
$201 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
9
from
$151 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
10
from
$122 Price subject to changes
Viewed:7 hours ago
Economy
|
Roundtrip
Return:
11
from
$137 Price subject to changes
Viewed:7 hours ago
Economy
|
Roundtrip
Return:
12
from
$149 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
13
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
14
from
$149 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
15
from
$149 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
16
from
$122 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
17
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
18
from
$151 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
19
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
20
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
21
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
22
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
23
from
$151 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
24
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
25
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
26
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
27
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
28
from
$112 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
29
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
30
from
$107 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
Return:
31
from
$112 Price subject to changes
Viewed:16 hours ago
Economy
|
Roundtrip
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.

More United deals on Saint Louis (STL) to Denver (DEN) flights

FromToDatesFare TypePrice

Saint Louis (STL)

Denver (DEN)

Depart: 10/22/20

Return: 10/29/20

Roundtrip
from
$107*
Viewed:15hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 10/24/20

Return: 10/31/20

Roundtrip
from
$107*
Viewed:15hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 10/25/20

Return: 11/01/20

Roundtrip
from
$107*
Viewed:15hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 10/26/20

Return: 11/02/20

Roundtrip
from
$107*
Viewed:15hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 10/27/20

Return: 11/03/20

Roundtrip
from
$107*
Viewed:15hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 10/29/20

Return: 11/05/20

Roundtrip
from
$107*
Viewed:15hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 10/30/20

Return: 11/06/20

Roundtrip
from
$107*
Viewed:15hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 11/01/20

Return: 11/08/20

Roundtrip
from
$107*
Viewed:15hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 11/02/20

Return: 11/09/20

Roundtrip
from
$107*
Viewed:15hoursago

Saint Louis (STL)

Denver (DEN)

Depart: 11/05/20

Return: 11/12/20

Roundtrip
from
$107*
Viewed:15hoursago

*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

Monday sky is clear
83°F 09/21/20
Tuesday light rain
82°F 09/22/20
Wednesday light rain
81°F 09/23/20
Thursday sky is clear
84°F 09/24/20
Friday sky is clear
86°F 09/25/20
Saturday broken clouds
80°F 09/26/20
Sunday sky is clear
73°F 09/27/20
Powered by: OpenWeatherMap.org