Flights from St. Louis to Las Vegas

Our cheapest offers for flights from St. Louis to Las Vegas

Here you can compare cheap flights from St. Louis (STL) to Las Vegas (LAS) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Las Vegas. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
St. Louis
Las Vegas
Outbound
10/18/25
direct
F92017
03h 39min
Return
11/17/25
1 Stopover (DEN)
F91994, F93302
06h 08min
Frontier Airlines ?
$188
Best option
St. Louis
Las Vegas
Outbound
10/18/25
direct
F92017
03h 39min
Return
11/17/25
direct
F93108
03h 25min
Frontier Airlines
$213
St. Louis
Las Vegas
Outbound
10/18/25
direct
F92017
03h 39min
Return
11/17/25
1 Stopover (DEN)
F91994, F93302
06h 08min
Frontier Airlines
$206
St. Louis
Las Vegas
Outbound
10/18/25
direct
F92017
03h 39min
Return
11/17/25
1 Stopover (DEN)
F91994, F93302
06h 08min
Frontier Airlines
$216
St. Louis
Las Vegas
Outbound
10/18/25
1 Stopover (SEA)
AS0388, AS0636
09h 31min
Return
11/17/25
1 Stopover (SEA)
AS0701, AS0472
15h 56min
Alaska Airlines ?
$346
St. Louis
Las Vegas
Outbound
10/18/25
1 Stopover (DEN)
UA5979, UA0526
09h 11min
Return
11/17/25
1 Stopover (DEN)
UA1291, UA0652
15h 42min
United Airlines ?
$400
St. Louis
Las Vegas
Outbound
10/18/25
1 Stopover (SEA)
AS0388, AS0636
09h 31min
Return
11/17/25
1 Stopover (ORD)
AA3323, AA4595
07h 33min
Alaska Airlines ?
$402
St. Louis
Las Vegas
Outbound
10/18/25
1 Stopover (SEA)
AS0388, AS0636
09h 31min
Return
11/17/25
2 Stopovers (LAX, SEA)
AS2227, AS0585, AS0472
12h 41min
Alaska Airlines
$410
St. Louis
Las Vegas
Outbound
10/18/25
1 Stopover (CLT)
AA2486, AA1474
08h 56min
Return
11/17/25
1 Stopover (ORD)
AA3323, AA4135
09h 12min
American Airlines ?
$464
St. Louis
Las Vegas
Outbound
10/18/25
direct
F92017
03h 39min
Return
11/17/25
direct
F92018
03h 25min
Frontier Airlines ?
$674
Prices based on recent searches, subject to last-minute changes
Page 1 / 1

Tips and tricks to help you find cheap flights from St. Louis to Las Vegas

Favorite airline: Frontier Airlines
86 % of bookings on this flight route are made with Frontier Airlines, Spirit Airlines and Sun Country Airlines.
Frontier Airlines
42 %
Spirit Airlines
33 %
Sun Country Airlines
11 %
Direct flights are cheaper
Direct flights on this route are $143.00 cheaper on average than flights with a stopover.
non stop flight
1 stop
03h 40min
06h 34min
$125
$268
The favorite connection is non-stop
79 % of travelers decide to book a direct flight on this route.
Route
bookings
Direct flights
03h 40min, from $125
79 %
1 stopover Minneapolis - St. Paul International Airport, MN
06h 34min, from $268
12 %
1 stopover Detroit Metropolitan Wayne County Airport, MI
07h 13min, from $339
6 %

Important flight information

Flight information: St. Louis - Las Vegas

Roundtrip from $187.52
Flight duration min. 03:40 / max. 07:55
Return flight duration min. 02:55/ max. 06:15
Distance 2204 km
Flights per week 80
Departure airport Airport St. Louis - Lambert International Airport (STL)
Arrival airport Airport Las Vegas - McCarran International Airport, NV (LAS)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Las Vegas
Flight destinations with a similar price
Flight destinations with a similar price