Flights from Las Vegas to St. Charles

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 2 days ago

$140

Roundtrip

found 2 days 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 2 days ago

Tue, May 13 - Tue, May 20

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$150 Roundtrip, found 2 days ago

$150

Roundtrip

found 2 days 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 2 days ago

Tue, May 13 - Wed, May 14

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$160 Roundtrip, found 2 days ago

$160

Roundtrip

found 2 days 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 2 days ago

Fri, Jun 20 - Sun, Jun 22

LAS

Harry Reid Intl.

MDW

Midway Intl.

$163 Roundtrip, found 3 days ago

$163

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jun 20 from Harry Reid Intl. to Midway Intl., returning Sun, Jun 22, priced at $163 found 3 days ago

Fri, May 16 - Sun, May 18

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$165 Roundtrip, found 2 days ago

$165

Roundtrip

found 2 days 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 2 days ago

Mon, Jun 16 - Sun, Jun 22

LAS

Harry Reid Intl.

MDW

Midway Intl.

$168 Roundtrip, found 3 days ago

$168

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jun 16 from Harry Reid Intl. to Midway Intl., returning Sun, Jun 22, priced at $168 found 3 days ago

Mon, Jun 9 - Mon, Jun 16

LAS

Harry Reid Intl.

MDW

Midway Intl.

$173 Roundtrip, found 5 days ago

$173

Roundtrip

found 5 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 5 days ago

Fri, Aug 1 - Mon, Aug 11

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$174 Roundtrip, found 4 days ago

$174

Roundtrip

found 4 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 4 days ago

Tue, May 13 - Fri, May 23

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$175 Roundtrip, found 2 days ago

$175

Roundtrip

found 2 days 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 2 days ago

Fri, Jun 13 - Mon, Jun 16

LAS

Harry Reid Intl.

MDW

Midway Intl.

$188 Roundtrip, found 5 days ago

$188

Roundtrip

found 5 days ago

Select Delta flight, departing Fri, Jun 13 from Harry Reid Intl. to Midway Intl., returning Mon, Jun 16, priced at $188 found 5 days ago

Fri, Jun 20 - Mon, Jun 23

LAS

Harry Reid Intl.

MDW

Midway Intl.

$188 Roundtrip, found 3 days ago

$188

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jun 20 from Harry Reid Intl. to Midway Intl., returning Mon, Jun 23, priced at $188 found 3 days ago

Fri, May 16 - Sun, May 18

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$190 Roundtrip, found 2 days ago

$190

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Fri, May 16 from Harry Reid Intl. to O'Hare Intl., returning Sun, May 18, priced at $190 found 2 days ago

Fri, May 16 - Sun, May 18

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$193 Roundtrip, found 2 days ago

$193

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Fri, May 16 from Harry Reid Intl. to O'Hare Intl., returning Sun, May 18, priced at $193 found 2 days ago

Mon, Jun 16 - Mon, Jun 23

LAS

Harry Reid Intl.

MDW

Midway Intl.

$193 Roundtrip, found 3 days ago

$193

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jun 16 from Harry Reid Intl. to Midway Intl., returning Mon, Jun 23, priced at $193 found 3 days ago

Tue, Jun 10 - Mon, Jun 16

LAS

Harry Reid Intl.

MDW

Midway Intl.

$194 Roundtrip, found 5 days ago

$194

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Jun 10 from Harry Reid Intl. to Midway Intl., returning Mon, Jun 16, priced at $194 found 5 days ago

Fri, May 16 - Sun, May 18

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$198 Roundtrip, found 2 days ago

$198

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Fri, May 16 from Harry Reid Intl. to O'Hare Intl., returning Sun, May 18, priced at $198 found 2 days ago

Tue, Jun 17 - Tue, Jun 17

LAS

Harry Reid Intl.

MDW

Midway Intl.

$231 Roundtrip, found 3 days ago

$231

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Jun 17 from Harry Reid Intl. to Midway Intl., returning Tue, Jun 17, priced at $231 found 3 days ago

Mon, Aug 4 - Sat, Aug 9

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$243 Roundtrip, found 4 days ago

$243

Roundtrip

found 4 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 4 days ago

Mon, Aug 4 - Sat, Aug 9

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$243 Roundtrip, found 4 days ago

$243

Roundtrip

found 4 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 4 days ago

Fri, May 16 - Sun, May 18

LAS

Harry Reid Intl.

ORD

O'Hare Intl.

$303 Roundtrip, found 2 days ago

$303

Roundtrip

found 2 days 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 2 days ago