Flights from Las Vegas to Chicago

Cheapest flights from Las Vegas

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.

Fri, Aug 1 - Sun, Aug 3

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$140 Roundtrip, found 3 hours ago

$140

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from Harry Reid Intl. to O'Hare Intl., returning Sun, Aug 3, priced at $140 found 3 hours ago

Tue, May 13 - Tue, May 20

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$150 Roundtrip, found 8 hours ago

$150

Roundtrip

found 8 hours ago

Select Spirit Airlines flight, departing Tue, May 13 from Harry Reid Intl. to O'Hare Intl., returning Tue, May 20, priced at $150 found 8 hours ago

Tue, May 13 - Wed, May 14

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$160 Roundtrip, found 8 hours ago

$160

Roundtrip

found 8 hours ago

Select Spirit Airlines flight, departing Tue, May 13 from Harry Reid Intl. to O'Hare Intl., returning Wed, May 14, priced at $160 found 8 hours ago

Fri, Jun 20 - Sun, Jun 22

LAS

Harry Reid Intl.

MDW

Midway Intl.

$163 Roundtrip, found 1 day ago

$163

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jun 20 from Harry Reid Intl. to Midway Intl., returning Sun, Jun 22, priced at $163 found 1 day ago

Tue, Jun 10 - Tue, Jun 17

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$164 Roundtrip, found 6 days ago

$164

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Tue, Jun 10 from Harry Reid Intl. to O'Hare Intl., returning Tue, Jun 17, priced at $164 found 6 days ago

Fri, May 16 - Sun, May 18

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$165 Roundtrip, found 8 hours ago

$165

Roundtrip

found 8 hours ago

Select Spirit Airlines flight, departing Fri, May 16 from Harry Reid Intl. to O'Hare Intl., returning Sun, May 18, priced at $165 found 8 hours ago

Mon, Jun 16 - Sun, Jun 22

LAS

Harry Reid Intl.

MDW

Midway Intl.

$168 Roundtrip, found 1 day ago

$168

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 16 from Harry Reid Intl. to Midway Intl., returning Sun, Jun 22, priced at $168 found 1 day ago

Mon, Jun 9 - Mon, Jun 16

LAS

Harry Reid Intl.

MDW

Midway Intl.

$173 Roundtrip, found 2 days ago

$173

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jun 9 from Harry Reid Intl. to Midway Intl., returning Mon, Jun 16, priced at $173 found 2 days ago

Fri, Aug 1 - Mon, Aug 11

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$174 Roundtrip, found 2 days ago

$174

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Aug 1 from Harry Reid Intl. to O'Hare Intl., returning Mon, Aug 11, priced at $174 found 2 days ago

Tue, May 13 - Fri, May 23

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$175 Roundtrip, found 8 hours ago

$175

Roundtrip

found 8 hours ago

Select Spirit Airlines flight, departing Tue, May 13 from Harry Reid Intl. to O'Hare Intl., returning Fri, May 23, priced at $175 found 8 hours ago

Thu, Jun 12 - Tue, Jun 17

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$176 Roundtrip, found 6 days ago

$176

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jun 12 from Harry Reid Intl. to O'Hare Intl., returning Tue, Jun 17, priced at $176 found 6 days ago

Thu, Jun 12 - Sun, Jun 15

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$178 Roundtrip, found 6 days ago

$178

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jun 12 from Harry Reid Intl. to O'Hare Intl., returning Sun, Jun 15, priced at $178 found 6 days ago

Thu, Jun 12 - Sun, Jun 15

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$183 Roundtrip, found 6 days ago

$183

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jun 12 from Harry Reid Intl. to O'Hare Intl., returning Sun, Jun 15, priced at $183 found 6 days ago

Fri, Jun 13 - Mon, Jun 16

LAS

Harry Reid Intl.

MDW

Midway Intl.

$188 Roundtrip, found 2 days ago

$188

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Jun 13 from Harry Reid Intl. to Midway Intl., returning Mon, Jun 16, priced at $188 found 2 days ago

Fri, Jun 20 - Mon, Jun 23

LAS

Harry Reid Intl.

MDW

Midway Intl.

$188 Roundtrip, found 1 day ago

$188

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jun 20 from Harry Reid Intl. to Midway Intl., returning Mon, Jun 23, priced at $188 found 1 day ago

Tue, Jun 17 - Tue, Jun 17

LAS

Harry Reid Intl.

MDW

Midway Intl.

$231 Roundtrip, found 1 day ago

$231

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jun 17 from Harry Reid Intl. to Midway Intl., returning Tue, Jun 17, priced at $231 found 1 day ago

Mon, Aug 4 - Sat, Aug 9

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$243 Roundtrip, found 2 days ago

$243

Roundtrip

found 2 days ago

Select United flight, departing Mon, Aug 4 from Harry Reid Intl. to O'Hare Intl., returning Sat, Aug 9, priced at $243 found 2 days ago

Mon, Aug 4 - Sat, Aug 9

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$243 Roundtrip, found 2 days ago

$243

Roundtrip

found 2 days ago

Select American Airlines flight, departing Mon, Aug 4 from Harry Reid Intl. to O'Hare Intl., returning Sat, Aug 9, priced at $243 found 2 days ago

Fri, May 16 - Sun, May 18

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$303 Roundtrip, found 8 hours ago

$303

Roundtrip

found 8 hours ago

Select Sun Country Airlines flight, departing Fri, May 16 from Harry Reid Intl. to O'Hare Intl., returning Sun, May 18, priced at $303 found 8 hours ago

Thu, Jun 12 - Sun, Jun 15

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$377 Roundtrip, found 6 days ago

$377

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Thu, Jun 12 from Harry Reid Intl. to O'Hare Intl., returning Sun, Jun 15, priced at $377 found 6 days ago