Cheap flights from San Diego (SAN) to Denver (DEN)

Lowest round trip fares by airline from San Diego and Denver

Cheapest prices ($44 One Way, $68 Round Trip) found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Sat, Mar 15 - Tue, Mar 18
SAN
San Diego
DEN
Denver
$68 Roundtrip, found 2 days ago
$68
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Mar 15 from San Diego to Denver, returning Tue, Mar 18, priced at $68 found 2 days ago
Thu, Apr 3 - Tue, Apr 8
SAN
San Diego
DEN
Denver
$78 Roundtrip, found 2 days ago
$78
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Apr 3 from San Diego to Denver, returning Tue, Apr 8, priced at $78 found 2 days ago
Tue, Apr 8 - Tue, Apr 8
SAN
San Diego
DEN
Denver
$83 Roundtrip, found 6 days ago
$83
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Apr 8 from San Diego to Denver, returning Tue, Apr 8, priced at $83 found 6 days ago
Sat, Apr 19 - Wed, Apr 23
SAN
San Diego
DEN
Denver
$197 Roundtrip, found 18 hours ago
$197
Roundtrip
found 18 hours ago
Select Southwest Airlines flight, departing Sat, Apr 19 from San Diego to Denver, returning Wed, Apr 23, priced at $197 found 18 hours ago
Sun, Apr 20 - Thu, Apr 24
SAN
San Diego
DEN
Denver
$197 Roundtrip, found 14 hours ago
$197
Roundtrip
found 14 hours ago
Select United flight, departing Sun, Apr 20 from San Diego to Denver, returning Thu, Apr 24, priced at $197 found 14 hours ago