Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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)
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.
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.

Cheap flights from Chicago to Las Vegas in June , July 2026

18 Jun - 23 Jul $ 197.00
CHI
Chicago
Allegiant Air
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Allegiant Air
DIRECT
CHI
Chicago
Pick dates
13 Jun - 04 Jul $ 315.00
CHI
Chicago
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
14 Jun - 04 Jul $ 315.00
CHI
Chicago
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates

Last minute flights from Chicago to Las Vegas

18 Jun - 30 Jun $ 270.00
CHI
Chicago
Frontier Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Frontier Airlines
DIRECT
CHI
Chicago
Pick dates
14 Jun - 30 Jun $ 347.00
CHI
Chicago
Alaska Airlines
DIRECT
LAS
Las Vegas
LAS
Las Vegas
Alaska Airlines
1 STOPS
CHI
Chicago
Pick dates
15 Jun - 30 Jun $ 514.00
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

1:13 PM - 1:13 PM
Allegiant Air
0 Stops
3h 36m
CHI - LAS
$ 112
Kiwi
Pick dates
7:20 AM - 7:20 AM
Frontier Airlines
0 Stops
4h 16m
CHI - LAS
$ 200
Kiwi
Pick dates
3:54 PM - 3:54 PM
United Airlines
0 Stops
4h 3m
CHI - LAS
$ 259
Kiwi
Pick dates

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

Related info for your journey
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.
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.