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Cheap flights from St Louis (STL) to Las Vegas (LAS)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
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How to find the cheapest flight from St Louis (STL) to Las Vegas (LAS)

How to find the cheapest flight from St Louis (STL) to Las Vegas (LAS)
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How to find the cheapest flight from St Louis (STL) to Las Vegas (LAS)
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How to find the cheapest flight from St Louis (STL) to Las Vegas (LAS)
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Cheap flights from St Louis to Las Vegas in July , August 2026

31 Jul - 27 Aug $ 339.00
STL
St Louis
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
STL
St Louis
Pick dates
31 Jul - 04 Aug $ 388.00
STL
St Louis
Frontier Airlines
1 STOPS
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
STL
St Louis
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31 Jul - 04 Aug $ 391.00
STL
St Louis
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
STL
St Louis
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Last minute flights from St Louis to Las Vegas

31 Jul - 01 Aug $ 426.00
STL
St Louis
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
1 STOPS
STL
St Louis
Pick dates
27 Jul - 01 Aug $ 443.00
STL
St Louis
Frontier Airlines
1 STOPS
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
1 STOPS
STL
St Louis
Pick dates
29 Jul - 31 Jul $ 533.00
STL
St Louis
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
STL
St Louis
Pick dates

One-way flights to Las Vegas from St Louis

8:08 PM - 10:29 PM
Frontier Airlines
1 Stops
5h 21m
STL - LAS
$ 211
Kiwi
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7:10 PM - 7:10 PM
Frontier Airlines
0 Stops
3h 33m
STL - LAS
$ 214
Kiwi
Pick dates
7:03 PM - 7:03 PM
Frontier Airlines
0 Stops
3h 33m
STL - LAS
$ 292
Kiwi
Pick dates

How to find the cheapest flight from St Louis (STL) to Las Vegas (LAS)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Las Vegas (LAS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Las Vegas (LAS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.