$149 Cheap United flights St. Louis (STL) to San Diego (SAN)

$149 Cheap United flights St. Louis (STL) to San Diego (SAN)

Prices were available within the past 7 days and start at $149 for one-way flights and $297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 17 - Wed, Oct 21

STL

St. Louis

SAN

San Diego

$297 Roundtrip, found 9 hours ago

$297

Roundtrip

found 9 hours ago

Select United flight, departing Sat, Oct 17 from St. Louis to San Diego, returning Wed, Oct 21, priced at $297 found 9 hours ago

Sat, Oct 17 - Wed, Oct 21

STL

St. Louis

SAN

San Diego

$323 Roundtrip, found 9 hours ago

$323

Roundtrip

found 9 hours ago

Select United flight, departing Sat, Oct 17 from St. Louis to San Diego, returning Wed, Oct 21, priced at $323 found 9 hours ago

Sat, Oct 17 - Wed, Oct 21

STL

St. Louis

SAN

San Diego

$328 Roundtrip, found 9 hours ago

$328

Roundtrip

found 9 hours ago

Select United flight, departing Sat, Oct 17 from St. Louis to San Diego, returning Wed, Oct 21, priced at $328 found 9 hours ago

Sat, Oct 17 - Wed, Oct 21

STL

St. Louis

SAN

San Diego

$333 Roundtrip, found 9 hours ago

$333

Roundtrip

found 9 hours ago

Select United flight, departing Sat, Oct 17 from St. Louis to San Diego, returning Wed, Oct 21, priced at $333 found 9 hours ago

Sat, Oct 17 - Wed, Oct 21

STL

St. Louis

SAN

San Diego

$359 Roundtrip, found 9 hours ago

$359

Roundtrip

found 9 hours ago

Select United flight, departing Sat, Oct 17 from St. Louis to San Diego, returning Wed, Oct 21, priced at $359 found 9 hours ago

Sat, Oct 17 - Wed, Oct 21

STL

St. Louis

SAN

San Diego

$370 Roundtrip, found 9 hours ago

$370

Roundtrip

found 9 hours ago

Select United flight, departing Sat, Oct 17 from St. Louis to San Diego, returning Wed, Oct 21, priced at $370 found 9 hours ago