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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 May , June 2026

24 May - 18 Jun $ 223.00
STL
St Louis
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
STL
St Louis
Pick dates
03 May - 04 Jun $ 261.00
STL
St Louis
Frontier Airlines
1 STOPS
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
1 STOPS
STL
St Louis
Pick dates
11 May - 09 Jun $ 348.00
STL
St Louis
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
STL
St Louis
Pick dates

Last minute flights from St Louis to Las Vegas

24 May - 31 May $ 263.00
STL
St Louis
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
STL
St Louis
Pick dates
03 May - 31 May $ 301.00
STL
St Louis
Frontier Airlines
1 STOPS
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
1 STOPS
STL
St Louis
Pick dates
11 May - 31 May $ 388.00
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

9:06 PM - 9:06 PM
Frontier Airlines
0 Stops
3h 36m
STL - LAS
$ 104
Kiwi
Pick dates
8:06 PM - 10:29 PM
Frontier Airlines
1 Stops
5h 30m
STL - LAS
$ 150
Kiwi
Pick dates
9:18 PM - 9:18 PM
Frontier Airlines
0 Stops
3h 36m
STL - LAS
$ 229
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.