Flights from Las Vegas to Collinsville

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.

Sat, Jul 12 - Sat, Aug 2

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$258 Roundtrip, found 1 day ago

$258

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 12 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $258 found 1 day ago

Thu, Jul 10 - Wed, Jul 30

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$294 Roundtrip, found 1 day ago

$294

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 10 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Wed, Jul 30, priced at $294 found 1 day ago

Mon, Jul 14 - Mon, Aug 4

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$320 Roundtrip, found 1 day ago

$320

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Mon, Aug 4, priced at $320 found 1 day ago

Sat, Jul 12 - Sat, Aug 2

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$321 Roundtrip, found 1 day ago

$321

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 12 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $321 found 1 day ago

Thu, Jul 10 - Sun, Aug 3

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$322 Roundtrip, found 1 day ago

$322

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Aug 3, priced at $322 found 1 day ago

Fri, Jul 11 - Wed, Jul 30

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$324 Roundtrip, found 1 day ago

$324

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Jul 11 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Wed, Jul 30, priced at $324 found 1 day ago

Thu, Jul 10 - Thu, Jul 31

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$335 Roundtrip, found 1 day ago

$335

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 10 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Thu, Jul 31, priced at $335 found 1 day ago

Sat, Jul 12 - Sat, Aug 2

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$338 Roundtrip, found 1 day ago

$338

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 12 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $338 found 1 day ago

Tue, Jul 15 - Mon, Aug 4

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$347 Roundtrip, found 1 day ago

$347

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 15 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Mon, Aug 4, priced at $347 found 1 day ago

Fri, Jul 11 - Tue, Aug 5

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$352 Roundtrip, found 1 day ago

$352

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Jul 11 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Tue, Aug 5, priced at $352 found 1 day ago

Sat, Jul 12 - Mon, Aug 4

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$353 Roundtrip, found 1 day ago

$353

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 12 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Mon, Aug 4, priced at $353 found 1 day ago

Mon, Jul 14 - Wed, Jul 30

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$356 Roundtrip, found 1 day ago

$356

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jul 14 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Wed, Jul 30, priced at $356 found 1 day ago

Mon, Jul 14 - Sun, Aug 3

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$361 Roundtrip, found 1 day ago

$361

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Aug 3, priced at $361 found 1 day ago

Wed, Jul 9 - Mon, Aug 4

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$363 Roundtrip, found 1 day ago

$363

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Mon, Aug 4, priced at $363 found 1 day ago

Fri, Jul 11 - Thu, Jul 31

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$365 Roundtrip, found 1 day ago

$365

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Jul 11 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Thu, Jul 31, priced at $365 found 1 day ago

Sat, Jul 12 - Sat, Aug 2

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$366 Roundtrip, found 1 day ago

$366

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Jul 12 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $366 found 1 day ago

Mon, Jul 14 - Tue, Aug 5

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$384 Roundtrip, found 1 day ago

$384

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jul 14 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Tue, Aug 5, priced at $384 found 1 day ago

Tue, Jul 15 - Sun, Aug 3

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$388 Roundtrip, found 1 day ago

$388

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 15 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Aug 3, priced at $388 found 1 day ago

Sat, Jul 12 - Sat, Aug 2

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$423 Roundtrip, found 1 day ago

$423

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Jul 12 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $423 found 1 day ago