Flights from St. Louis to Lake Elsinore

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.

Mon, Jun 2 - Mon, Jun 9

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$162 Roundtrip, found 2 days ago

$162

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jun 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Mon, Jun 9, priced at $162 found 2 days ago

Mon, Jun 2 - Fri, Jun 6

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$215 Roundtrip, found 2 days ago

$215

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jun 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Jun 6, priced at $215 found 2 days ago

Mon, Jun 2 - Sun, Jun 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$226 Roundtrip, found 2 days ago

$226

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jun 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sun, Jun 8, priced at $226 found 2 days ago

Tue, Jul 29 - Tue, Aug 12

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$257 Roundtrip, found 4 days ago

$257

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Jul 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Tue, Aug 12, priced at $257 found 4 days ago

Fri, Jun 6 - Sun, Jun 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$271 Roundtrip, found 2 days ago

$271

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Jun 6 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sun, Jun 8, priced at $271 found 2 days ago

Mon, Jun 2 - Thu, Jun 12

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$277 Roundtrip, found 2 days ago

$277

Roundtrip

found 2 days ago

Select Delta flight, departing Mon, Jun 2 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Thu, Jun 12, priced at $277 found 2 days ago

Thu, Jun 5 - Mon, Jun 9

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$280 Roundtrip, found 2 days ago

$280

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Mon, Jun 9, priced at $280 found 2 days ago

Fri, Jun 6 - Thu, Jun 12

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$284 Roundtrip, found 2 days ago

$284

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Jun 6 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Thu, Jun 12, priced at $284 found 2 days ago

Fri, Jun 6 - Fri, Jun 6

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$291 Roundtrip, found 2 days ago

$291

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Jun 6 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Jun 6, priced at $291 found 2 days ago

Sun, Aug 3 - Tue, Aug 12

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$298 Roundtrip, found 4 days ago

$298

Roundtrip

found 4 days ago

Select Delta flight, departing Sun, Aug 3 from Lambert-St. Louis Intl. to San Diego Intl., returning Tue, Aug 12, priced at $298 found 4 days ago

Sun, Jun 1 - Mon, Jun 9

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$310 Roundtrip, found 2 days ago

$310

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jun 1 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Mon, Jun 9, priced at $310 found 2 days ago

Sun, Jun 1 - Tue, Jun 10

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$318 Roundtrip, found 2 days ago

$318

Roundtrip

found 2 days ago

Select Delta flight, departing Sun, Jun 1 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Tue, Jun 10, priced at $318 found 2 days ago

Sun, Jun 1 - Fri, Jun 6

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$325 Roundtrip, found 2 days ago

$325

Roundtrip

found 2 days ago

Select Delta flight, departing Sun, Jun 1 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Jun 6, priced at $325 found 2 days ago

Mon, Jul 28 - Fri, Aug 1

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$328 Roundtrip, found 12 hours ago

$328

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 1, priced at $328 found 12 hours ago

Thu, Jun 5 - Sun, Jun 8

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$331 Roundtrip, found 2 days ago

$331

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Sun, Jun 8, priced at $331 found 2 days ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$338 Roundtrip, found 6 days ago

$338

Roundtrip

found 6 days ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $338 found 6 days ago

Wed, Jul 30 - Fri, Aug 1

STL

Lambert-St. Louis Intl.

ONT

Los Angeles - Ontario Intl.

$338 Roundtrip, found 12 hours ago

$338

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Wed, Jul 30 from Lambert-St. Louis Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 1, priced at $338 found 12 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

CLD

McClellan-Palomar

$482 Roundtrip, found 6 days ago

$482

Roundtrip

found 6 days ago

Select American Airlines flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to McClellan-Palomar, returning Fri, Jan 2, priced at $482 found 6 days ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$721 Roundtrip, found 6 days ago

$721

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $721 found 6 days ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$809 Roundtrip, found 6 days ago

$809

Roundtrip

found 6 days ago

Select United flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $809 found 6 days ago