$130 Cheap Frontier Airlines flights St. Louis (STL) to San Diego (SAN)

$130 Cheap Frontier Airlines flights St. Louis (STL) to San Diego (SAN)

Prices were available within the past 7 days and start at $130 for one-way flights and $345 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 22 - Thu, Jul 23

STL

St. Louis

SAN

San Diego

$345 Roundtrip, found 3 days ago

$345

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 22 from St. Louis to San Diego, returning Thu, Jul 23, priced at $345 found 3 days ago

Wed, Jul 22 - Tue, Jul 28

STL

St. Louis

SAN

San Diego

$364 Roundtrip, found 15 hours ago

$364

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Wed, Jul 22 from St. Louis to San Diego, returning Tue, Jul 28, priced at $364 found 15 hours ago

Wed, Jul 22 - Thu, Jul 23

STL

St. Louis

SAN

San Diego

$365 Roundtrip, found 3 days ago

$365

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 22 from St. Louis to San Diego, returning Thu, Jul 23, priced at $365 found 3 days ago

Wed, Jul 22 - Tue, Jul 28

STL

St. Louis

SAN

San Diego

$413 Roundtrip, found 15 hours ago

$413

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Wed, Jul 22 from St. Louis to San Diego, returning Tue, Jul 28, priced at $413 found 15 hours ago

Wed, Jul 22 - Tue, Jul 28

STL

St. Louis

SAN

San Diego

$430 Roundtrip, found 15 hours ago

$430

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Wed, Jul 22 from St. Louis to San Diego, returning Tue, Jul 28, priced at $430 found 15 hours ago