$109 Cheap United flights Denver (DEN) to San Diego (SAN)

View $109 flight on Thu, Jul 17, 2025Opens in a new window

$109 Cheap United flights Denver (DEN) to San Diego (SAN)

Prices were available within the past 7 days and start at $109 for one-way flights and $182 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Jul 17 - Wed, Jul 23
DEN
Denver
SAN
San Diego
$182 Roundtrip, found 16 hours ago
$182
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Jul 17 from Denver to San Diego, returning Wed, Jul 23, priced at $182 found 16 hours ago
United
Thu, Jul 17 - Wed, Jul 23
DEN
Denver
SAN
San Diego
$197 Roundtrip, found 16 hours ago
$197
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Jul 17 from Denver to San Diego, returning Wed, Jul 23, priced at $197 found 16 hours ago
United
Thu, Jul 17 - Wed, Jul 23
DEN
Denver
SAN
San Diego
$207 Roundtrip, found 16 hours ago
$207
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Jul 17 from Denver to San Diego, returning Wed, Jul 23, priced at $207 found 16 hours ago
United
Thu, Jul 17 - Wed, Jul 23
DEN
Denver
SAN
San Diego
$212 Roundtrip, found 16 hours ago
$212
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Jul 17 from Denver to San Diego, returning Wed, Jul 23, priced at $212 found 16 hours ago
United
Thu, Jul 17 - Wed, Jul 23
DEN
Denver
SAN
San Diego
$222 Roundtrip, found 16 hours ago
$222
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Jul 17 from Denver to San Diego, returning Wed, Jul 23, priced at $222 found 16 hours ago
United
Thu, Jul 17 - Wed, Jul 23
DEN
Denver
SAN
San Diego
$234 Roundtrip, found 16 hours ago
$234
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Jul 17 from Denver to San Diego, returning Wed, Jul 23, priced at $234 found 16 hours ago