Flights from St. Louis to Highland

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.

Wed, Jul 16 - Thu, Jul 17

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$274 Roundtrip, found 4 days ago

$274

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Thu, Jul 17, priced at $274 found 4 days ago

Thu, Jul 17 - Wed, Aug 6

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$284 Roundtrip, found 4 days ago

$284

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Aug 6, priced at $284 found 4 days ago

Thu, Jul 17 - Thu, Aug 7

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$289 Roundtrip, found 4 days ago

$289

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Thu, Aug 7, priced at $289 found 4 days ago

Thu, Jul 17 - Fri, Aug 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$294 Roundtrip, found 4 days ago

$294

Roundtrip

found 4 days 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 $294 found 4 days ago

Wed, Jul 16 - Mon, Aug 11

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$301 Roundtrip, found 4 days ago

$301

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Mon, Aug 11, priced at $301 found 4 days ago

Wed, Jul 16 - Sun, Jul 20

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$306 Roundtrip, found 4 days ago

$306

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sun, Jul 20, priced at $306 found 4 days ago

Sat, Jul 19 - Wed, Aug 6

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$311 Roundtrip, found 4 days ago

$311

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Aug 6, priced at $311 found 4 days ago

Wed, Jul 23 - Sun, Aug 3

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$315 Roundtrip, found 1 day ago

$315

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sun, Aug 3, priced at $315 found 1 day ago

Sat, Jul 19 - Mon, Aug 11

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$316 Roundtrip, found 4 days ago

$316

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Mon, Aug 11, priced at $316 found 4 days ago

Mon, Jul 14 - Sun, Jul 20

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$321 Roundtrip, found 4 days ago

$321

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sun, Jul 20, priced at $321 found 4 days ago

Fri, Aug 29 - Fri, Sep 12

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$326 Roundtrip, found 5 days ago

$326

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Aug 29 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Sep 12, priced at $326 found 5 days ago

Thu, Nov 27 - Sun, Dec 7

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$357 Roundtrip, found 14 hours ago

$357

Roundtrip

found 14 hours ago

Select Delta flight, departing Thu, Nov 27 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sun, Dec 7, priced at $357 found 14 hours ago

Sun, Jul 20 - Mon, Aug 11

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$366 Roundtrip, found 4 days ago

$366

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Mon, Aug 11, priced at $366 found 4 days ago

Sat, Dec 6 - Wed, Dec 10

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$416 Roundtrip, found 5 days ago

$416

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Sat, Dec 6 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Dec 10, priced at $416 found 5 days ago

Mon, Dec 8 - Sat, Dec 13

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$417 Roundtrip, found 5 days ago

$417

Roundtrip

found 5 days ago

Select United flight, departing Mon, Dec 8 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sat, Dec 13, priced at $417 found 5 days ago

Mon, Dec 8 - Sat, Dec 13

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$417 Roundtrip, found 5 days ago

$417

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Dec 8 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sat, Dec 13, priced at $417 found 5 days ago

Mon, Dec 8 - Sat, Dec 13

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$422 Roundtrip, found 5 days ago

$422

Roundtrip

found 5 days ago

Select United flight, departing Mon, Dec 8 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sat, Dec 13, priced at $422 found 5 days ago

Mon, Dec 8 - Sat, Dec 13

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$422 Roundtrip, found 5 days ago

$422

Roundtrip

found 5 days ago

Select United flight, departing Mon, Dec 8 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sat, Dec 13, priced at $422 found 5 days ago

Mon, Dec 8 - Sat, Dec 13

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$427 Roundtrip, found 5 days ago

$427

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Dec 8 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sat, Dec 13, priced at $427 found 5 days ago

Sun, Jul 20 - Tue, Jul 22

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$428 Roundtrip, found 4 days ago

$428

Roundtrip

found 4 days ago

Select Delta flight, departing Sun, Jul 20 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 22, priced at $428 found 4 days ago