Earn point on your loyalty program!arrow arc left

Cheap flights from Colorado Springs (COS) to San Diego (SAN)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Colorado Springs (COS) to San Diego (SAN)

How to find the cheapest flight from Colorado Springs (COS) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Colorado Springs (COS) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Colorado Springs (COS) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Colorado Springs to San Diego in August , September 2026

29 Aug - 12 Sep $ 422.00
COS
Colorado Springs
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
COS
Colorado Springs
Pick dates
29 Aug - 12 Sep $ 422.00
COS
Colorado Springs
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
COS
Colorado Springs
Pick dates
29 Aug - 12 Sep $ 422.00
COS
Colorado Springs
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
COS
Colorado Springs
Pick dates

Last minute flights from Colorado Springs to San Diego

28 Aug - 31 Aug $ 489.00
COS
Colorado Springs
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
COS
Colorado Springs
Pick dates
24 Aug - 31 Aug $ 549.00
COS
Colorado Springs
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
COS
Colorado Springs
Pick dates
24 Aug - 31 Aug $ 549.00
COS
Colorado Springs
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
COS
Colorado Springs
Pick dates

One-way flights to San Diego from Colorado Springs

11:30 AM - 1:25 PM
United Airlines
1 Stops
4h 20m
COS - SAN
$ 275
Kiwi
Pick dates
1:52 PM - 3:35 PM
United Airlines
1 Stops
4h 8m
COS - SAN
$ 275
Kiwi
Pick dates
1:52 PM - 3:35 PM
United Airlines
1 Stops
4h 8m
COS - SAN
$ 275
Kiwi
Pick dates

How to find the cheapest flight from Colorado Springs (COS) to San Diego (SAN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Colorado Springs (COS) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Colorado Springs (COS) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.