Flights from Las Vegas to Washington

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.

Thu, Jul 24 - Sun, Jul 27

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$224 Roundtrip, found 20 hours ago

$224

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $224 found 20 hours ago

Thu, Jul 24 - Sat, Jul 26

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$266 Roundtrip, found 20 hours ago

$266

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Thu, Jul 24 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sat, Jul 26, priced at $266 found 20 hours ago

Wed, Jul 23 - Sat, Jul 26

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$267 Roundtrip, found 20 hours ago

$267

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Wed, Jul 23 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sat, Jul 26, priced at $267 found 20 hours ago

Thu, Jul 24 - Sun, Jul 27

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$274 Roundtrip, found 20 hours ago

$274

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $274 found 20 hours ago

Thu, Jul 24 - Sun, Jul 27

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$283 Roundtrip, found 20 hours ago

$283

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Thu, Jul 24 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $283 found 20 hours ago

Thu, Jul 24 - Sun, Jul 27

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$292 Roundtrip, found 20 hours ago

$292

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $292 found 20 hours ago

Thu, Jul 24 - Sun, Jul 27

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$296 Roundtrip, found 20 hours ago

$296

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $296 found 20 hours ago

Wed, Jul 23 - Mon, Jul 28

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$301 Roundtrip, found 20 hours ago

$301

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Wed, Jul 23 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Mon, Jul 28, priced at $301 found 20 hours ago

Sun, Jul 27 - Wed, Jul 30

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$316 Roundtrip, found 20 hours ago

$316

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Sun, Jul 27 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Wed, Jul 30, priced at $316 found 20 hours ago

Thu, Jul 24 - Fri, Jul 25

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$319 Roundtrip, found 20 hours ago

$319

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Thu, Jul 24 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Fri, Jul 25, priced at $319 found 20 hours ago

Mon, Jul 14 - Mon, Aug 4

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$320 Roundtrip, found 6 days ago

$320

Roundtrip

found 6 days 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 6 days ago

Wed, Jul 23 - Tue, Jul 29

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$323 Roundtrip, found 20 hours ago

$323

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Wed, Jul 23 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Tue, Jul 29, priced at $323 found 20 hours ago

Sat, Jul 26 - Wed, Jul 30

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$346 Roundtrip, found 20 hours ago

$346

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Sat, Jul 26 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Wed, Jul 30, priced at $346 found 20 hours ago

Tue, Jul 15 - Mon, Aug 4

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$347 Roundtrip, found 6 days ago

$347

Roundtrip

found 6 days 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 6 days ago

Sun, Jul 27 - Mon, Jul 28

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$349 Roundtrip, found 20 hours ago

$349

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Sun, Jul 27 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Mon, Jul 28, priced at $349 found 20 hours ago

Mon, Jul 21 - Sat, Jul 26

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$356 Roundtrip, found 20 hours ago

$356

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Mon, Jul 21 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sat, Jul 26, priced at $356 found 20 hours ago

Thu, Jul 24 - Sun, Jul 27

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$360 Roundtrip, found 20 hours ago

$360

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $360 found 20 hours ago

Thu, Jul 24 - Sun, Jul 27

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$457 Roundtrip, found 20 hours ago

$457

Roundtrip

found 20 hours ago

Select Delta flight, departing Thu, Jul 24 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $457 found 20 hours ago

Thu, Jul 24 - Sun, Jul 27

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$541 Roundtrip, found 20 hours ago

$541

Roundtrip

found 20 hours ago

Select United flight, departing Thu, Jul 24 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $541 found 20 hours ago

Thu, Jul 24 - Sun, Jul 27

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$648 Roundtrip, found 20 hours ago

$648

Roundtrip

found 20 hours ago

Select Alaska Airlines flight, departing Thu, Jul 24 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $648 found 20 hours ago