San Antonio (SAT) to San Diego (SAN) flights
One airline flies nonstop from San Antonio (SAT) to San Diego (SAN): Southwest Airlines. The two airports are 1,128 miles (1,815 km) apart. There are also 14 ways to fly it with one stop, through El Paso, Phoenix and Los Angeles and more.
Airlines flying nonstop from SAT to SAN
- Southwest AirlinesNot in an allianceWho books it
SAT to SAN with one stop
14 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via El Paso (ELP)Southwest Airlines the whole way
- Via Phoenix (PHX)American Airlines, Frontier Airlines and 1 more the whole way
+1 - Via Los Angeles (LAX)Delta Air Lines the whole way
- Via Las Vegas (LAS)Frontier Airlines and Southwest Airlines the whole way+1
- Via Dallas (DFW)American Airlines the whole way
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Houston (IAH)United Airlines the whole way
- Via Houston (HOU)Southwest Airlines the whole way
- Via Colorado Springs (COS)Southwest Airlines the whole way
- Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way+1
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via San Francisco (SFO)United Airlines the whole way+1
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via New Orleans (MSY)Southwest Airlines the whole way
SAT to SAN: common questions
Which airlines fly nonstop from SAT to SAN?
Southwest Airlines flies nonstop from San Antonio (SAT) to San Diego (SAN).
How far is San Antonio from San Diego by plane?
San Antonio (SAT) and San Diego (SAN) are 1,128 miles (1,815 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does SAT 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 SAT to SAN with taxes and fees.
Where can I connect between San Antonio and San Diego?
The most direct connections are through El Paso (ELP), Phoenix (PHX), Los Angeles (LAX), Las Vegas (LAS) and Dallas (DFW). On 14 of them the same airline flies both flights, for example Southwest Airlines through El Paso.
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.