Colorado Springs (COS) to San Diego (SAN) flights
One airline flies nonstop from Colorado Springs (COS) to San Diego (SAN): Southwest Airlines. The two airports are 815 miles (1,312 km) apart. There are also 4 ways to fly it with one stop, through Phoenix, Las Vegas and Denver and more.
Airlines flying nonstop from COS to SAN
- Southwest AirlinesNot in an allianceWho books it
COS to SAN with one stop
4 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Phoenix (PHX)Southwest Airlines the whole way
+1
- Via Las Vegas (LAS)Southwest Airlines the whole way
+1 - Via Denver (DEN)United Airlines and Southwest Airlines the whole way
+1 - Via Salt Lake City (SLC)Delta Air Lines the whole way
COS to SAN: common questions
Which airlines fly nonstop from COS to SAN?
Southwest Airlines flies nonstop from Colorado Springs (COS) to San Diego (SAN).
How far is Colorado Springs from San Diego by plane?
Colorado Springs (COS) and San Diego (SAN) are 815 miles (1,312 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does COS to SAN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for COS to SAN with taxes and fees.
Where can I connect between Colorado Springs and San Diego?
The most direct connections are through Phoenix (PHX), Las Vegas (LAS), Denver (DEN) and Salt Lake City (SLC). On 4 of them the same airline flies both flights, for example Southwest Airlines through Phoenix.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.