$34 Cheap Frontier Airlines flights Denver (DEN) to San Diego (SAN)

$34 Cheap Frontier Airlines flights Denver (DEN) to San Diego (SAN)

Prices were available within the past 7 days and start at $34 for one-way flights and $68 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 22 - Tue, Dec 2

DEN

Denver

SAN

San Diego

$68 Roundtrip, found 5 days ago

$68

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Nov 22 from Denver to San Diego, returning Tue, Dec 2, priced at $68 found 5 days ago

Thu, Nov 27 - Tue, Dec 2

DEN

Denver

SAN

San Diego

$78 Roundtrip, found 5 days ago

$78

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Nov 27 from Denver to San Diego, returning Tue, Dec 2, priced at $78 found 5 days ago

Wed, Dec 17 - Mon, Dec 22

DEN

Denver

SAN

San Diego

$93 Roundtrip, found 1 day ago

$93

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 17 from Denver to San Diego, returning Mon, Dec 22, priced at $93 found 1 day ago

Wed, Dec 17 - Mon, Dec 22

DEN

Denver

SAN

San Diego

$123 Roundtrip, found 1 day ago

$123

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 17 from Denver to San Diego, returning Mon, Dec 22, priced at $123 found 1 day ago

Sat, Nov 22 - Mon, Dec 1

DEN

Denver

SAN

San Diego

$128 Roundtrip, found 5 days ago

$128

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Nov 22 from Denver to San Diego, returning Mon, Dec 1, priced at $128 found 5 days ago

Thu, Nov 27 - Mon, Dec 1

DEN

Denver

SAN

San Diego

$138 Roundtrip, found 5 days ago

$138

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Nov 27 from Denver to San Diego, returning Mon, Dec 1, priced at $138 found 5 days ago

Thu, Nov 27 - Fri, Nov 28

DEN

Denver

SAN

San Diego

$148 Roundtrip, found 5 days ago

$148

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Nov 27 from Denver to San Diego, returning Fri, Nov 28, priced at $148 found 5 days ago