$69 Cheap Frontier Airlines flights Denver (DEN) to San Diego (SAN)

$69 Cheap Frontier Airlines flights Denver (DEN) to San Diego (SAN)

Prices were available within the past 7 days and start at $69 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 29 - Tue, Aug 4

DEN

Denver

SAN

San Diego

$138 Roundtrip, found 2 days ago

$138

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jul 29 from Denver to San Diego, returning Tue, Aug 4, priced at $138 found 2 days ago

Tue, Jul 21 - Thu, Jul 23

DEN

Denver

SAN

San Diego

$148 Roundtrip, found 6 hours ago

$148

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Tue, Jul 21 from Denver to San Diego, returning Thu, Jul 23, priced at $148 found 6 hours ago

Tue, Jul 21 - Sun, Jul 26

DEN

Denver

SAN

San Diego

$190 Roundtrip, found 6 hours ago

$190

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Tue, Jul 21 from Denver to San Diego, returning Sun, Jul 26, priced at $190 found 6 hours ago

Wed, Jul 22 - Thu, Jul 23

DEN

Denver

SAN

San Diego

$194 Roundtrip, found 6 hours ago

$194

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Wed, Jul 22 from Denver to San Diego, returning Thu, Jul 23, priced at $194 found 6 hours ago

Wed, Jul 29 - Tue, Aug 4

DEN

Denver

SAN

San Diego

$200 Roundtrip, found 2 days ago

$200

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jul 29 from Denver to San Diego, returning Tue, Aug 4, priced at $200 found 2 days ago

Tue, Jul 21 - Sat, Jul 25

DEN

Denver

SAN

San Diego

$208 Roundtrip, found 6 hours ago

$208

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Tue, Jul 21 from Denver to San Diego, returning Sat, Jul 25, priced at $208 found 6 hours ago