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

View AU$136 flight on Tue, 16 Dec. 2025Opens in a new window

Popular airlines from Chicago to Las Vegas, NV (LAS-Harry Reid Intl.)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 13 Sep. - Sat, 20 Sep.
ORD
Chicago
LAS
Las Vegas
AU$244 Return, just found
AU$244
Return
just found
Select American Airlines flight, departing Sat, 13 Sep. from Chicago to Las Vegas, returning Sat, 20 Sep., priced at AU$244 just found
American Airlines
Sat, 6 Sep. - Sat, 13 Sep.
ORD
Chicago
LAS
Las Vegas
AU$245 Return, found 6 days ago
AU$245
Return
found 6 days ago
Select American Airlines flight, departing Sat, 6 Sep. from Chicago to Las Vegas, returning Sat, 13 Sep., priced at AU$245 found 6 days ago
American Airlines
Thu, 28 Aug. - Thu, 4 Sep.
ORD
Chicago
LAS
Las Vegas
AU$264 Return, found 5 days ago
AU$264
Return
found 5 days ago
Select American Airlines flight, departing Thu, 28 Aug. from Chicago to Las Vegas, returning Thu, 4 Sep., priced at AU$264 found 5 days ago
American Airlines
Sat, 16 Aug. - Mon, 25 Aug.
ORD
Chicago
LAS
Las Vegas
AU$287 Return, found 4 days ago
AU$287
Return
found 4 days ago
Select American Airlines flight, departing Sat, 16 Aug. from Chicago to Las Vegas, returning Mon, 25 Aug., priced at AU$287 found 4 days ago
American Airlines
Thu, 28 Aug. - Thu, 4 Sep.
ORD
Chicago
LAS
Las Vegas
AU$302 Return, found 5 days ago
AU$302
Return
found 5 days ago
Select American Airlines flight, departing Thu, 28 Aug. from Chicago to Las Vegas, returning Thu, 4 Sep., priced at AU$302 found 5 days ago
Hawaiian Airlines
Tue, 9 Sep. - Fri, 12 Sep.
ORD
Chicago
LAS
Las Vegas
AU$304 Return, found 6 days ago
AU$304
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, 9 Sep. from Chicago to Las Vegas, returning Fri, 12 Sep., priced at AU$304 found 6 days ago
American Airlines
Wed, 3 Dec. - Sat, 6 Dec.
ORD
Chicago
LAS
Las Vegas
AU$305 Return, found 6 days ago
AU$305
Return
found 6 days ago
Select American Airlines flight, departing Wed, 3 Dec. from Chicago to Las Vegas, returning Sat, 6 Dec., priced at AU$305 found 6 days ago
Alaska Airlines
Sat, 13 Sep. - Sat, 20 Sep.
ORD
Chicago
LAS
Las Vegas
AU$316 Return, just found
AU$316
Return
just found
Select Alaska Airlines flight, departing Sat, 13 Sep. from Chicago to Las Vegas, returning Sat, 20 Sep., priced at AU$316 just found
Delta
Wed, 3 Dec. - Sat, 6 Dec.
ORD
Chicago
LAS
Las Vegas
AU$356 Return, found 6 days ago
AU$356
Return
found 6 days ago
Select Delta flight, departing Wed, 3 Dec. from Chicago to Las Vegas, returning Sat, 6 Dec., priced at AU$356 found 6 days ago
United
Thu, 28 Aug. - Thu, 4 Sep.
ORD
Chicago
LAS
Las Vegas
AU$362 Return, found 5 days ago
AU$362
Return
found 5 days ago
Select United flight, departing Thu, 28 Aug. from Chicago to Las Vegas, returning Thu, 4 Sep., priced at AU$362 found 5 days ago

Find the cheapest month to fly from Chicago (CHI) to Las Vegas (LAS)

September is typically the cheapest month to fly

From AU$95 - AU$235 per traveller.

Graph displaying average flight prices per month

Flight from Chicago to Las Vegas route information
Origin airport
O'Hare Intl.
Destination airport
Harry Reid Intl.
Return price
AU$233
Distance
2417 km

CHI to LAS Flights

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Our user-friendly tools make it easier than ever to book CHI to LAS flights, even if you’re hoping to hop aboard one of the last-minute flights leaving today. So whether you seek a spontaneous trip to this city’s hottest attractions, or prefer to plan out every detail of your adventure ahead of time, Expedia.com.au is here to help you find exactly what you are interested in.

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Chicago Airports

Chicago

O'Hare Intl. to Las Vegas
AU$232.70

Milwaukee

General Mitchell Intl. to Las Vegas
AU$384.30
*Available to Expedia members.