Flights from St. Louis to Barstow

Cheapest flights from St. Louis

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 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$296 Roundtrip, found 14 hours ago

$296

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $296 found 14 hours ago

Wed, Jul 16 - Wed, Aug 6

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$304 Roundtrip, found 14 hours ago

$304

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Aug 6, priced at $304 found 14 hours ago

Wed, Jul 16 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$315 Roundtrip, found 14 hours ago

$315

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $315 found 14 hours ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$321 Roundtrip, found 14 hours ago

$321

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $321 found 14 hours ago

Fri, Jul 18 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$326 Roundtrip, found 14 hours ago

$326

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $326 found 14 hours ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$333 Roundtrip, found 14 hours ago

$333

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $333 found 14 hours ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$336 Roundtrip, found 14 hours ago

$336

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $336 found 14 hours ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$340 Roundtrip, found 14 hours ago

$340

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $340 found 14 hours ago

Thu, Nov 27 - Sun, Dec 7

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$343 Roundtrip, found 3 days ago

$343

Roundtrip

found 3 days ago

Select Delta flight, departing Thu, Nov 27 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sun, Dec 7, priced at $343 found 3 days ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$352 Roundtrip, found 14 hours ago

$352

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $352 found 14 hours ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$355 Roundtrip, found 14 hours ago

$355

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $355 found 14 hours ago

Mon, Jul 14 - Wed, Aug 6

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$355 Roundtrip, found 14 hours ago

$355

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Aug 6, priced at $355 found 14 hours ago

Sun, Jul 20 - Wed, Aug 6

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$359 Roundtrip, found 14 hours ago

$359

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Aug 6, priced at $359 found 14 hours ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$361 Roundtrip, found 14 hours ago

$361

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $361 found 14 hours ago

Mon, Jul 14 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$366 Roundtrip, found 14 hours ago

$366

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $366 found 14 hours ago

Sun, Jul 20 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$370 Roundtrip, found 14 hours ago

$370

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $370 found 14 hours ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$374 Roundtrip, found 14 hours ago

$374

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $374 found 14 hours ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$453 Roundtrip, found 14 hours ago

$453

Roundtrip

found 14 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $453 found 14 hours ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$453 Roundtrip, found 14 hours ago

$453

Roundtrip

found 14 hours ago

Select American Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $453 found 14 hours ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$553 Roundtrip, found 14 hours ago

$553

Roundtrip

found 14 hours ago

Select Alaska Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $553 found 14 hours ago