Flights from St. Louis to Carlsbad

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, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$301 Roundtrip, found 1 day ago

$301

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $301 found 1 day ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

CLD

McClellan-Palomar

$301 Roundtrip, found 1 day ago

$301

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to McClellan-Palomar, returning Fri, Jan 9, priced at $301 found 1 day ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$301 Roundtrip, found 1 day ago

$301

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $301 found 1 day ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$301 Roundtrip, found 1 day ago

$301

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $301 found 1 day ago

Tue, Jan 6 - Tue, Jan 6

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$309 Roundtrip, found 1 day ago

$309

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Tue, Jan 6, priced at $309 found 1 day ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$315 Roundtrip, found 1 day ago

$315

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $315 found 1 day ago

Sun, Aug 3 - Wed, Aug 6

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$315 Roundtrip, found 2 days ago

$315

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Lambert-St. Louis Intl. to San Diego Intl., returning Wed, Aug 6, priced at $315 found 2 days ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$320 Roundtrip, found 1 day ago

$320

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $320 found 1 day ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$325 Roundtrip, found 1 day ago

$325

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $325 found 1 day ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$325 Roundtrip, found 1 day ago

$325

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $325 found 1 day ago

Wed, Dec 31 - Mon, Jan 5

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$329 Roundtrip, found 1 day ago

$329

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Dec 31 from Lambert-St. Louis Intl. to San Diego Intl., returning Mon, Jan 5, priced at $329 found 1 day ago

Mon, Jan 5 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$334 Roundtrip, found 1 day ago

$334

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Jan 5 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $334 found 1 day ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$335 Roundtrip, found 1 day ago

$335

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $335 found 1 day ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$344 Roundtrip, found 1 day ago

$344

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $344 found 1 day ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$346 Roundtrip, found 1 day ago

$346

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $346 found 1 day ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$348 Roundtrip, found 1 day ago

$348

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $348 found 1 day ago

Wed, Jul 30 - Wed, Aug 6

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$350 Roundtrip, found 2 days ago

$350

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jul 30 from Lambert-St. Louis Intl. to San Diego Intl., returning Wed, Aug 6, priced at $350 found 2 days ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$352 Roundtrip, found 1 day ago

$352

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $352 found 1 day ago

Tue, Jan 6 - Fri, Jan 9

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$439 Roundtrip, found 1 day ago

$439

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 9, priced at $439 found 1 day ago

Tue, Jul 29 - Thu, Jul 31

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$591 Roundtrip, found 2 days ago

$591

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Tue, Jul 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Thu, Jul 31, priced at $591 found 2 days ago