$49 Cheap Frontier Airlines flights San Diego (SAN) to Denver (DEN)

$49 Cheap Frontier Airlines flights San Diego (SAN) to Denver (DEN)

Prices were available within the past 7 days and start at $49 for one-way flights and $98 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 13 - Tue, Oct 20

SAN

San Diego

DEN

Denver

$98 Roundtrip, found 1 day ago

$98

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Oct 13 from San Diego to Denver, returning Tue, Oct 20, priced at $98 found 1 day ago

Fri, Aug 21 - Mon, Aug 24

SAN

San Diego

DEN

Denver

$108 Roundtrip, found 22 hours ago

$108

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Fri, Aug 21 from San Diego to Denver, returning Mon, Aug 24, priced at $108 found 22 hours ago

Mon, Oct 12 - Thu, Oct 22

SAN

San Diego

DEN

Denver

$118 Roundtrip, found 1 day ago

$118

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Oct 12 from San Diego to Denver, returning Thu, Oct 22, priced at $118 found 1 day ago

Tue, Aug 18 - Sat, Aug 22

SAN

San Diego

DEN

Denver

$128 Roundtrip, found 5 days ago

$128

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Aug 18 from San Diego to Denver, returning Sat, Aug 22, priced at $128 found 5 days ago

Fri, Aug 21 - Mon, Aug 24

SAN

San Diego

DEN

Denver

$138 Roundtrip, found 22 hours ago

$138

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Fri, Aug 21 from San Diego to Denver, returning Mon, Aug 24, priced at $138 found 22 hours ago

Tue, Aug 18 - Fri, Aug 21

SAN

San Diego

DEN

Denver

$138 Roundtrip, found 5 days ago

$138

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Aug 18 from San Diego to Denver, returning Fri, Aug 21, priced at $138 found 5 days ago