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.

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$298 Roundtrip, found 6 hours ago

$298

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $298 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$338 Roundtrip, found 6 hours ago

$338

Roundtrip

found 6 hours 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 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$339 Roundtrip, found 6 hours ago

$339

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $339 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$379 Roundtrip, found 6 hours ago

$379

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $379 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$388 Roundtrip, found 6 hours ago

$388

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $388 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$419 Roundtrip, found 6 hours ago

$419

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $419 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$428 Roundtrip, found 6 hours ago

$428

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $428 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$429 Roundtrip, found 6 hours ago

$429

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $429 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$438 Roundtrip, found 6 hours ago

$438

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $438 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$440 Roundtrip, found 6 hours ago

$440

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $440 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$458 Roundtrip, found 6 hours ago

$458

Roundtrip

found 6 hours ago

Select United flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $458 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$465 Roundtrip, found 6 hours ago

$465

Roundtrip

found 6 hours ago

Select United flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $465 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$469 Roundtrip, found 6 hours ago

$469

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $469 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$477 Roundtrip, found 6 hours ago

$477

Roundtrip

found 6 hours ago

Select United flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $477 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$479 Roundtrip, found 6 hours ago

$479

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $479 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$480 Roundtrip, found 6 hours ago

$480

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $480 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

CLD

McClellan-Palomar

$482 Roundtrip, found 6 hours ago

$482

Roundtrip

found 6 hours 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 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$485 Roundtrip, found 6 hours ago

$485

Roundtrip

found 6 hours ago

Select Delta flight, departing Mon, Dec 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Fri, Jan 2, priced at $485 found 6 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$721 Roundtrip, found 6 hours ago

$721

Roundtrip

found 6 hours 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 hours ago

Mon, Dec 29 - Fri, Jan 2

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$809 Roundtrip, found 6 hours ago

$809

Roundtrip

found 6 hours 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 hours ago