Flights from St. Louis to Yorba Linda

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.

Tue, Sep 23 - Thu, Oct 2

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$228 Roundtrip, found 17 hours ago

$228

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Tue, Sep 23 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Thu, Oct 2, priced at $228 found 17 hours ago

Wed, Jul 2 - Tue, Jul 29

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$230 Roundtrip, found 5 days ago

$230

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jul 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 29, priced at $230 found 5 days ago

Thu, Sep 25 - Thu, Oct 2

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$234 Roundtrip, found 17 hours ago

$234

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Thu, Sep 25 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Thu, Oct 2, priced at $234 found 17 hours ago

Fri, Jun 20 - Wed, Jun 25

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$240 Roundtrip, found 3 days ago

$240

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jun 20 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Jun 25, priced at $240 found 3 days ago

Sat, Jul 26 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$242 Roundtrip, found 5 days ago

$242

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jul 26 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Mon, Aug 18, priced at $242 found 5 days ago

Fri, Jun 20 - Thu, Jun 26

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$250 Roundtrip, found 3 days ago

$250

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jun 20 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Thu, Jun 26, priced at $250 found 3 days ago

Wed, Jul 2 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$255 Roundtrip, found 6 days ago

$255

Roundtrip

found 6 days ago

Select American Airlines flight, departing Wed, Jul 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Jul 30, priced at $255 found 6 days ago

Wed, Jun 18 - Wed, Jun 25

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$261 Roundtrip, found 3 days ago

$261

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jun 18 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Jun 25, priced at $261 found 3 days ago

Wed, Jun 18 - Thu, Jun 26

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$271 Roundtrip, found 3 days ago

$271

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jun 18 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Thu, Jun 26, priced at $271 found 3 days ago

Sat, Jul 5 - Tue, Jul 29

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$280 Roundtrip, found 6 days ago

$280

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jul 5 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 29, priced at $280 found 6 days ago

Wed, Jul 2 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$287 Roundtrip, found 6 days ago

$287

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Jul 30, priced at $287 found 6 days ago

Thu, Jul 17 - Thu, Jul 24

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$290 Roundtrip, found 3 days ago

$290

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Thu, Jul 24, priced at $290 found 3 days ago

Wed, Jul 2 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$291 Roundtrip, found 6 days ago

$291

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jul 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Jul 30, priced at $291 found 6 days ago

Wed, Jul 2 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$292 Roundtrip, found 6 days ago

$292

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jul 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Jul 30, priced at $292 found 6 days ago

Wed, Jul 2 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$300 Roundtrip, found 6 days ago

$300

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Jul 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Jul 30, priced at $300 found 6 days ago

Wed, Jul 23 - Tue, Aug 19

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$300 Roundtrip, found 5 days ago

$300

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Tue, Aug 19, priced at $300 found 5 days ago

Wed, Jul 23 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$302 Roundtrip, found 5 days ago

$302

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Mon, Aug 18, priced at $302 found 5 days ago

Wed, Jul 2 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$311 Roundtrip, found 6 days ago

$311

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jul 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Jul 30, priced at $311 found 6 days ago

Tue, Jul 1 - Tue, Jul 29

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$311 Roundtrip, found 5 days ago

$311

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Jul 1 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Tue, Jul 29, priced at $311 found 5 days ago

Wed, Jul 2 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$311 Roundtrip, found 6 days ago

$311

Roundtrip

found 6 days ago

Select American Airlines flight, departing Wed, Jul 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Wed, Jul 30, priced at $311 found 6 days ago