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Cheap flights from Chicago (CHI) to Las Vegas (LAS)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Chicago (CHI) to Las Vegas (LAS)

How to find the cheapest flight from Chicago (CHI) to Las Vegas (LAS)
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How to find the cheapest flight from Chicago (CHI) to Las Vegas (LAS)
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How to find the cheapest flight from Chicago (CHI) to Las Vegas (LAS)
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Cheap flights from Chicago to Las Vegas in August , September 2026

30 Aug - 10 Sep $ 150.00
CHI
Chicago
Allegiant Air
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Allegiant Air
DIRECT
CHI
Chicago
Pick dates
24 Aug - 10 Sep $ 223.00
CHI
Chicago
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
21 Aug - 16 Sep $ 445.00
CHI
Chicago
United Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
United Airlines
DIRECT
CHI
Chicago
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Last minute flights from Chicago to Las Vegas

30 Aug - 31 Aug $ 214.00
CHI
Chicago
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
23 Aug - 31 Aug $ 257.00
CHI
Chicago
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
30 Aug - 31 Aug $ 407.00
CHI
Chicago
United Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
United Airlines
DIRECT
CHI
Chicago
Pick dates

One-way flights to Las Vegas from Chicago

9:35 PM - 9:35 PM
Allegiant Air
0 Stops
3h 46m
CHI - LAS
$ 79
Kiwi
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8:11 PM - 8:11 PM
Frontier Airlines
0 Stops
4h 12m
CHI - LAS
$ 121
Kiwi
Pick dates
12:45 PM - 12:45 PM
United Airlines
0 Stops
3h 59m
CHI - LAS
$ 202
Kiwi
Pick dates

How to find the cheapest flight from Chicago (CHI) to Las Vegas (LAS)

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