Flights from Chicago to Las Vegas

Cheapest flights from Chicago

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, May 26 - Fri, May 30

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$129 Roundtrip, found 1 day ago

$129

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 26 from O'Hare Intl. to Harry Reid Intl., returning Fri, May 30, priced at $129 found 1 day ago

Wed, May 28 - Sat, May 31

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$136 Roundtrip, found 2 days ago

$136

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Wed, May 28 from O'Hare Intl. to Harry Reid Intl., returning Sat, May 31, priced at $136 found 2 days ago

Sun, Jul 20 - Fri, Jul 25

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$140 Roundtrip, found 2 days ago

$140

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jul 20 from O'Hare Intl. to Harry Reid Intl., returning Fri, Jul 25, priced at $140 found 2 days ago

Mon, May 26 - Fri, May 30

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$142 Roundtrip, found 1 day ago

$142

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 26 from O'Hare Intl. to Harry Reid Intl., returning Fri, May 30, priced at $142 found 1 day ago

Sun, May 25 - Thu, May 29

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$143 Roundtrip, found 1 day ago

$143

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 25 from O'Hare Intl. to Harry Reid Intl., returning Thu, May 29, priced at $143 found 1 day ago

Mon, May 26 - Fri, May 30

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$144 Roundtrip, found 1 day ago

$144

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, May 26 from O'Hare Intl. to Harry Reid Intl., returning Fri, May 30, priced at $144 found 1 day ago

Mon, May 26 - Fri, May 30

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$148 Roundtrip, found 1 day ago

$148

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, May 26 from O'Hare Intl. to Harry Reid Intl., returning Fri, May 30, priced at $148 found 1 day ago

Mon, May 26 - Fri, May 30

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$152 Roundtrip, found 1 day ago

$152

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 26 from O'Hare Intl. to Harry Reid Intl., returning Fri, May 30, priced at $152 found 1 day ago

Mon, May 26 - Fri, May 30

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$153 Roundtrip, found 1 day ago

$153

Roundtrip

found 1 day ago

Select United flight, departing Mon, May 26 from O'Hare Intl. to Harry Reid Intl., returning Fri, May 30, priced at $153 found 1 day ago

Tue, May 27 - Tue, May 27

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$154 Roundtrip, found 1 day ago

$154

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, May 27 from O'Hare Intl. to Harry Reid Intl., returning Tue, May 27, priced at $154 found 1 day ago

Mon, May 19 - Wed, May 21

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$156 Roundtrip, found 6 days ago

$156

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, May 19 from O'Hare Intl. to Harry Reid Intl., returning Wed, May 21, priced at $156 found 6 days ago

Wed, May 28 - Sat, May 31

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$157 Roundtrip, found 2 days ago

$157

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Wed, May 28 from O'Hare Intl. to Harry Reid Intl., returning Sat, May 31, priced at $157 found 2 days ago

Sun, May 18 - Sun, May 25

MDW

Midway Intl.

LAS

Harry Reid Intl.

$174 Roundtrip, found 4 days ago

$174

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, May 18 from Midway Intl. to Harry Reid Intl., returning Sun, May 25, priced at $174 found 4 days ago

Tue, Jul 22 - Tue, Jul 22

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$204 Roundtrip, found 2 days ago

$204

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Jul 22 from O'Hare Intl. to Harry Reid Intl., returning Tue, Jul 22, priced at $204 found 2 days ago

Tue, Jul 22 - Thu, Jul 24

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$209 Roundtrip, found 2 days ago

$209

Roundtrip

found 2 days ago

Select United flight, departing Tue, Jul 22 from O'Hare Intl. to Harry Reid Intl., returning Thu, Jul 24, priced at $209 found 2 days ago

Tue, Jul 22 - Wed, Jul 23

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$231 Roundtrip, found 2 days ago

$231

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Jul 22 from O'Hare Intl. to Harry Reid Intl., returning Wed, Jul 23, priced at $231 found 2 days ago

Sun, May 18 - Fri, May 23

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$273 Roundtrip, found 6 days ago

$273

Roundtrip

found 6 days ago

Select Sun Country Airlines flight, departing Sun, May 18 from O'Hare Intl. to Harry Reid Intl., returning Fri, May 23, priced at $273 found 6 days ago

Tue, Sep 30 - Thu, Oct 2

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$273 Roundtrip, found 4 days ago

$273

Roundtrip

found 4 days ago

Select Hawaiian Airlines flight, departing Tue, Sep 30 from O'Hare Intl. to Harry Reid Intl., returning Thu, Oct 2, priced at $273 found 4 days ago

Wed, May 28 - Sat, May 31

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$276 Roundtrip, found 2 days ago

$276

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Wed, May 28 from O'Hare Intl. to Harry Reid Intl., returning Sat, May 31, priced at $276 found 2 days ago

Thu, Oct 2 - Mon, Oct 13

ORD

O'Hare Intl.

LAS

Harry Reid Intl.

$423 Roundtrip, found 4 days ago

$423

Roundtrip

found 4 days ago

Select JetBlue Airways flight, departing Thu, Oct 2 from O'Hare Intl. to Harry Reid Intl., returning Mon, Oct 13, priced at $423 found 4 days ago