Cheap United flights St. Louis (STL) to San Diego (SAN)

Cheap United flights St. Louis (STL) to San Diego (SAN)

Prices were available within the past 7 days and start at for one-way flights and $472 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jul 5 - Wed, Jul 15

STL

St. Louis

SAN

San Diego

$472 Roundtrip, found 2 days ago

$472

Roundtrip

found 2 days ago

Select United flight, departing Sun, Jul 5 from St. Louis to San Diego, returning Wed, Jul 15, priced at $472 found 2 days ago

Sun, Jul 5 - Thu, Jul 16

STL

St. Louis

SAN

San Diego

$487 Roundtrip, found 2 days ago

$487

Roundtrip

found 2 days ago

Select United flight, departing Sun, Jul 5 from St. Louis to San Diego, returning Thu, Jul 16, priced at $487 found 2 days ago

Sun, Jul 5 - Fri, Jul 17

STL

St. Louis

SAN

San Diego

$503 Roundtrip, found 2 days ago

$503

Roundtrip

found 2 days ago

Select United flight, departing Sun, Jul 5 from St. Louis to San Diego, returning Fri, Jul 17, priced at $503 found 2 days ago