San Diego (SAN) to San Antonio (SAT) flights
One airline flies nonstop from San Diego (SAN) to San Antonio (SAT): 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 SAN to SAT
- Southwest AirlinesNot in an allianceWho books it
SAN to SAT 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, Southwest Airlines and 1 more the whole way
+1
- Via Los Angeles (LAX)Delta Air Lines the whole way
- Via Las Vegas (LAS)Southwest Airlines and Frontier 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
SAN to SAT: common questions
Which airlines fly nonstop from SAN to SAT?
Southwest Airlines flies nonstop from San Diego (SAN) to San Antonio (SAT).
How far is San Diego from San Antonio by plane?
San Diego (SAN) and San Antonio (SAT) 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 SAN to SAT cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SAN to SAT with taxes and fees.
Where can I connect between San Diego and San Antonio?
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.