$45 Cheap Frontier Airlines flights Denver (DEN) to San Diego (SAN)

$45 Cheap Frontier Airlines flights Denver (DEN) to San Diego (SAN)

Prices were available within the past 7 days and start at $45 for one-way flights and $81 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Nov 16 - Thu, Nov 20

DEN

Denver

SAN

San Diego

$81 Roundtrip, found 4 days ago

$81

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Nov 16 from Denver to San Diego, returning Thu, Nov 20, priced at $81 found 4 days ago

Thu, Nov 13 - Mon, Nov 17

DEN

Denver

SAN

San Diego

$96 Roundtrip, found 4 days ago

$96

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Nov 13 from Denver to San Diego, returning Mon, Nov 17, priced at $96 found 4 days ago

Fri, Nov 14 - Mon, Nov 17

DEN

Denver

SAN

San Diego

$107 Roundtrip, found 4 days ago

$107

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Nov 14 from Denver to San Diego, returning Mon, Nov 17, priced at $107 found 4 days ago

Tue, Nov 4 - Tue, Nov 11

DEN

Denver

SAN

San Diego

$112 Roundtrip, found 2 hours ago

$112

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Tue, Nov 4 from Denver to San Diego, returning Tue, Nov 11, priced at $112 found 2 hours ago

Sat, Nov 1 - Mon, Nov 10

DEN

Denver

SAN

San Diego

$114 Roundtrip, found 2 days ago

$114

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Nov 1 from Denver to San Diego, returning Mon, Nov 10, priced at $114 found 2 days ago

Mon, Nov 3 - Mon, Nov 10

DEN

Denver

SAN

San Diego

$116 Roundtrip, found 2 days ago

$116

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Nov 3 from Denver to San Diego, returning Mon, Nov 10, priced at $116 found 2 days ago