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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 July , August 2026

26 Jul - 30 Aug $ 235.00
CHI
Chicago
Allegiant Air
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Allegiant Air
DIRECT
CHI
Chicago
Pick dates
30 Jul - 05 Aug $ 329.00
CHI
Chicago
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
24 Jul - 16 Aug $ 654.00
CHI
Chicago
United Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
United Airlines
DIRECT
CHI
Chicago
Pick dates

Last minute flights from Chicago to Las Vegas

26 Jul - 31 Jul $ 345.00
CHI
Chicago
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
30 Jul - 31 Jul $ 370.00
CHI
Chicago
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
28 Jul - 31 Jul $ 542.00
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

1:14 PM - 1:14 PM
Allegiant Air
0 Stops
3h 39m
CHI - LAS
$ 150
Kiwi
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7:15 AM - 7:15 AM
Frontier Airlines
0 Stops
4h 8m
CHI - LAS
$ 185
Kiwi
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4:30 PM - 4:30 PM
United Airlines
0 Stops
4h 3m
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.