$68 Cheap Frontier Airlines flights San Diego (SAN) to Denver (DEN)

$68 Cheap Frontier Airlines flights San Diego (SAN) to Denver (DEN)

Prices were available within the past 7 days and start at $68 for one-way flights and $136 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 13 - Tue, May 20

SAN

San Diego

DEN

Denver

$136 Roundtrip, found 1 day ago

$136

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 13 from San Diego to Denver, returning Tue, May 20, priced at $136 found 1 day ago

Tue, May 13 - Thu, May 22

SAN

San Diego

DEN

Denver

$142 Roundtrip, found 1 day ago

$142

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 13 from San Diego to Denver, returning Thu, May 22, priced at $142 found 1 day ago

Thu, May 15 - Tue, May 20

SAN

San Diego

DEN

Denver

$150 Roundtrip, found 1 day ago

$150

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from San Diego to Denver, returning Tue, May 20, priced at $150 found 1 day ago

Thu, May 15 - Thu, May 22

SAN

San Diego

DEN

Denver

$156 Roundtrip, found 1 day ago

$156

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from San Diego to Denver, returning Thu, May 22, priced at $156 found 1 day ago

Tue, May 13 - Tue, May 20

SAN

San Diego

DEN

Denver

$162 Roundtrip, found 1 day ago

$162

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 13 from San Diego to Denver, returning Tue, May 20, priced at $162 found 1 day ago

Thu, May 15 - Sun, May 18

SAN

San Diego

DEN

Denver

$164 Roundtrip, found 1 day ago

$164

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from San Diego to Denver, returning Sun, May 18, priced at $164 found 1 day ago

Tue, May 13 - Tue, May 20

SAN

San Diego

DEN

Denver

$167 Roundtrip, found 1 day ago

$167

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 13 from San Diego to Denver, returning Tue, May 20, priced at $167 found 1 day ago

Sat, May 10 - Thu, May 22

SAN

San Diego

DEN

Denver

$168 Roundtrip, found 1 day ago

$168

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 10 from San Diego to Denver, returning Thu, May 22, priced at $168 found 1 day ago

Tue, May 13 - Fri, May 23

SAN

San Diego

DEN

Denver

$171 Roundtrip, found 1 day ago

$171

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 13 from San Diego to Denver, returning Fri, May 23, priced at $171 found 1 day ago

Sat, May 10 - Sun, May 18

SAN

San Diego

DEN

Denver

$176 Roundtrip, found 1 day ago

$176

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 10 from San Diego to Denver, returning Sun, May 18, priced at $176 found 1 day ago

Thu, May 15 - Fri, May 23

SAN

San Diego

DEN

Denver

$185 Roundtrip, found 1 day ago

$185

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from San Diego to Denver, returning Fri, May 23, priced at $185 found 1 day ago