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

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

Prices were available within the past 7 days and start at $34 for one-way flights and $64 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 16 - Thu, Dec 18

SAN

San Diego

DEN

Denver

$64 Roundtrip, found 18 hours ago

$64

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Tue, Dec 16 from San Diego to Denver, returning Thu, Dec 18, priced at $64 found 18 hours ago

Thu, Dec 18 - Sat, Dec 20

SAN

San Diego

DEN

Denver

$69 Roundtrip, found 18 hours ago

$69

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Thu, Dec 18 from San Diego to Denver, returning Sat, Dec 20, priced at $69 found 18 hours ago

Tue, Dec 16 - Sat, Dec 20

SAN

San Diego

DEN

Denver

$73 Roundtrip, found 18 hours ago

$73

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Tue, Dec 16 from San Diego to Denver, returning Sat, Dec 20, priced at $73 found 18 hours ago

Thu, Dec 18 - Fri, Dec 19

SAN

San Diego

DEN

Denver

$74 Roundtrip, found 18 hours ago

$74

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Thu, Dec 18 from San Diego to Denver, returning Fri, Dec 19, priced at $74 found 18 hours ago

Tue, Dec 16 - Fri, Dec 19

SAN

San Diego

DEN

Denver

$78 Roundtrip, found 18 hours ago

$78

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Tue, Dec 16 from San Diego to Denver, returning Fri, Dec 19, priced at $78 found 18 hours ago

Fri, Dec 19 - Wed, Dec 24

SAN

San Diego

DEN

Denver

$109 Roundtrip, found 18 hours ago

$109

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Fri, Dec 19 from San Diego to Denver, returning Wed, Dec 24, priced at $109 found 18 hours ago