$56 Cheap Frontier Airlines flights San Diego (SAN) to Denver (DEN)

$56 Cheap Frontier Airlines flights San Diego (SAN) to Denver (DEN)

Prices were available within the past 7 days and start at $56 for one-way flights and $114 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 16 - Tue, Oct 21

SAN

San Diego

DEN

Denver

$114 Roundtrip, found 3 days ago

$114

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Oct 16 from San Diego to Denver, returning Tue, Oct 21, priced at $114 found 3 days ago

Thu, Oct 16 - Mon, Oct 20

SAN

San Diego

DEN

Denver

$116 Roundtrip, found 4 days ago

$116

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Oct 16 from San Diego to Denver, returning Mon, Oct 20, priced at $116 found 4 days ago

Fri, Oct 17 - Tue, Oct 21

SAN

San Diego

DEN

Denver

$124 Roundtrip, found 4 days ago

$124

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Oct 17 from San Diego to Denver, returning Tue, Oct 21, priced at $124 found 4 days ago

Thu, Oct 16 - Fri, Oct 24

SAN

San Diego

DEN

Denver

$126 Roundtrip, found 4 days ago

$126

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Oct 16 from San Diego to Denver, returning Fri, Oct 24, priced at $126 found 4 days ago

Wed, Oct 15 - Mon, Oct 20

SAN

San Diego

DEN

Denver

$129 Roundtrip, found 3 days ago

$129

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Oct 15 from San Diego to Denver, returning Mon, Oct 20, priced at $129 found 3 days ago

Wed, Oct 15 - Mon, Oct 20

SAN

San Diego

DEN

Denver

$131 Roundtrip, found 3 days ago

$131

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Oct 15 from San Diego to Denver, returning Mon, Oct 20, priced at $131 found 3 days ago