Skip to content

Get United's best fares today on flights from Saint Louis to Las Vegas 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 Las Vegas (LAS)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
3
4
5
6
7
8
9
10
11
from
$617 Price subject to changes
Viewed:5 hours ago
Economy
Return:
12
from
$741 Price subject to changes
Viewed:5 hours ago
Economy
Return:
13
from
$621 Price subject to changes
Viewed:5 hours ago
Economy
Return:
14
from
$555 Price subject to changes
Viewed:5 hours ago
Economy
Return:
15
from
$555 Price subject to changes
Viewed:5 hours ago
Economy
Return:
16
from
$555 Price subject to changes
Viewed:5 hours ago
Economy
Return:
17
from
$395 Price subject to changes
Viewed:5 hours ago
Economy
Return:
18
from
$395 Price subject to changes
Viewed:5 hours ago
Economy
Return:
19
from
$451 Price subject to changes
Viewed:5 hours ago
Economy
Return:
20
from
$334 Price subject to changes
Viewed:17 hours ago
Economy
Return:
21
from
$334 Price subject to changes
Viewed:17 hours ago
Economy
Return:
22
from
$334 Price subject to changes
Viewed:17 hours ago
Economy
Return:
23
from
$334 Price subject to changes
Viewed:17 hours ago
Economy
Return:
24
from
$268 Price subject to changes
Viewed:17 hours ago
Economy
Return:
25
from
$268 Price subject to changes
Viewed:17 hours ago
Economy
Return:
26
from
$268 Price subject to changes
Viewed:17 hours ago
Economy
Return:
27
from
$268 Price subject to changes
Viewed:17 hours ago
Economy
Return:
28
from
$268 Price subject to changes
Viewed:17 hours ago
Economy
Return:
29
from
$268 Price subject to changes
Viewed:17 hours ago
Economy
Return:
30
from
$268 Price subject to changes
Viewed:17 hours ago
Economy
Return:
31
from
$268 Price subject to changes
Viewed:17 hours ago
Economy
Return:
from
$293 Price subject to changes
Viewed:17 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 Las Vegas?

FromToDatesFare TypePrice

Saint Louis (STL)

Las Vegas (LAS)

Depart: 09/09/20

Return: 09/16/20

Roundtrip
from
$258*
Viewed:16hoursago

Saint Louis (STL)

Las Vegas (LAS)

Depart: 09/15/20

Return: 09/22/20

Roundtrip
from
$258*
Viewed:16hoursago

Saint Louis (STL)

Las Vegas (LAS)

Depart: 09/16/20

Return: 09/23/20

Roundtrip
from
$258*
Viewed:16hoursago

Saint Louis (STL)

Las Vegas (LAS)

Depart: 09/22/20

Return: 09/29/20

Roundtrip
from
$258*
Viewed:16hoursago

Saint Louis (STL)

Las Vegas (LAS)

Depart: 09/23/20

Return: 09/30/20

Roundtrip
from
$258*
Viewed:16hoursago

Saint Louis (STL)

Las Vegas (LAS)

Depart: 09/29/20

Return: 10/06/20

Roundtrip
from
$258*
Viewed:16hoursago

Saint Louis (STL)

Las Vegas (LAS)

Depart: 09/30/20

Return: 10/07/20

Roundtrip
from
$258*
Viewed:16hoursago

Saint Louis (STL)

Las Vegas (LAS)

Depart: 10/06/20

Return: 10/13/20

Roundtrip
from
$258*
Viewed:16hoursago

Saint Louis (STL)

Las Vegas (LAS)

Depart: 10/07/20

Return: 10/14/20

Roundtrip
from
$258*
Viewed:16hoursago

Saint Louis (STL)

Las Vegas (LAS)

Depart: 09/09/20

Return: 09/23/20

Roundtrip
from
$258*
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 Las Vegas

Friday sky is clear
106°F 07/10/20
Saturday sky is clear
103°F 07/11/20
Sunday broken clouds
108°F 07/12/20
Monday sky is clear
108°F 07/13/20
Tuesday sky is clear
100°F 07/14/20
Wednesday sky is clear
97°F 07/15/20
Thursday sky is clear
98°F 07/16/20
Powered by: OpenWeatherMap.org