$70 Cheap Frontier Airlines flights St. Louis (STL) to San Diego (SAN)

$70 Cheap Frontier Airlines flights St. Louis (STL) to San Diego (SAN)

Prices were available within the past 7 days and start at $70 for one-way flights and $147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 20 - Wed, Jan 21

STL

St. Louis

SAN

San Diego

$147 Roundtrip, found 17 hours ago

$147

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sat, Dec 20 from St. Louis to San Diego, returning Wed, Jan 21, priced at $147 found 17 hours ago

Sat, Dec 20 - Fri, Jan 23

STL

St. Louis

SAN

San Diego

$151 Roundtrip, found 17 hours ago

$151

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sat, Dec 20 from St. Louis to San Diego, returning Fri, Jan 23, priced at $151 found 17 hours ago

Sat, Dec 20 - Sun, Jan 18

STL

St. Louis

SAN

San Diego

$155 Roundtrip, found 17 hours ago

$155

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sat, Dec 20 from St. Louis to San Diego, returning Sun, Jan 18, priced at $155 found 17 hours ago

Tue, Dec 23 - Wed, Jan 21

STL

St. Louis

SAN

San Diego

$211 Roundtrip, found 17 hours ago

$211

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Tue, Dec 23 from St. Louis to San Diego, returning Wed, Jan 21, priced at $211 found 17 hours ago

Tue, Dec 23 - Fri, Jan 23

STL

St. Louis

SAN

San Diego

$215 Roundtrip, found 17 hours ago

$215

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Tue, Dec 23 from St. Louis to San Diego, returning Fri, Jan 23, priced at $215 found 17 hours ago

Tue, Dec 23 - Sun, Jan 18

STL

St. Louis

SAN

San Diego

$219 Roundtrip, found 17 hours ago

$219

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Tue, Dec 23 from St. Louis to San Diego, returning Sun, Jan 18, priced at $219 found 17 hours ago