$33 Cheap Frontier Airlines flights Denver (DEN) to San Diego (SAN)

$33 Cheap Frontier Airlines flights Denver (DEN) to San Diego (SAN)

Prices were available within the past 7 days and start at $33 for one-way flights and $66 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 21 - Tue, May 5

DEN

Denver

SAN

San Diego

$66 Roundtrip, found 1 day ago

$66

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Apr 21 from Denver to San Diego, returning Tue, May 5, priced at $66 found 1 day ago

Tue, May 12 - Sat, May 23

DEN

Denver

SAN

San Diego

$82 Roundtrip, found 4 days ago

$82

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, May 12 from Denver to San Diego, returning Sat, May 23, priced at $82 found 4 days ago

Sat, May 16 - Wed, May 20

DEN

Denver

SAN

San Diego

$92 Roundtrip, found 4 days ago

$92

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, May 16 from Denver to San Diego, returning Wed, May 20, priced at $92 found 4 days ago

Sun, May 3 - Sat, May 16

DEN

Denver

SAN

San Diego

$97 Roundtrip, found 4 days ago

$97

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, May 3 from Denver to San Diego, returning Sat, May 16, priced at $97 found 4 days ago

Mon, May 18 - Wed, May 20

DEN

Denver

SAN

San Diego

$107 Roundtrip, found 4 days ago

$107

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, May 18 from Denver to San Diego, returning Wed, May 20, priced at $107 found 4 days ago

Sat, May 16 - Sat, May 23

DEN

Denver

SAN

San Diego

$108 Roundtrip, found 4 days ago

$108

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, May 16 from Denver to San Diego, returning Sat, May 23, priced at $108 found 4 days ago