San Diego (SAN) to Houston (HOU) flights
One airline flies nonstop from San Diego (SAN) to Houston (HOU): Southwest Airlines. The two airports are 1,310 miles (2,109 km) apart. There are also 26 ways to fly it with one stop, through Austin, Tucson and El Paso and more.
Airlines flying nonstop from SAN to HOU
- Southwest AirlinesNot in an allianceWho books it

SAN to HOU with one stop
26 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Austin (AUS)Southwest Airlines the whole way




- Via Tucson (TUS)Southwest Airlines the whole way


- Via El Paso (ELP)Southwest Airlines the whole way


- Via San Antonio (SAT)Southwest Airlines the whole way


- Via Phoenix (PHX)Southwest Airlines the whole way

+1

- Via Albuquerque (ABQ)Southwest Airlines the whole way


- Via Dallas (DFW)American Airlines the whole way




- Via Dallas (DAL)Southwest Airlines the whole way


- Via Las Vegas (LAS)Southwest Airlines the whole way

+1

- Via Los Angeles (LAX)Delta Air Lines and United Airlines, then Southwest Airlines



- Via Colorado Springs (COS)Southwest Airlines the whole way


- Via Tulsa (TUL)Alaska Airlines, then Southwest Airlines


- Via Denver (DEN)Southwest Airlines the whole way

+1

- Via San Jose Cabo (SJD)Southwest Airlines the whole way



- Via Salt Lake City (SLC)Southwest Airlines the whole way




SAN to HOU: common questions
Which airlines fly nonstop from SAN to HOU?
Southwest Airlines flies nonstop from San Diego (SAN) to Houston (HOU).
How far is San Diego from Houston by plane?
San Diego (SAN) and Houston (HOU) are 1,310 miles (2,109 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does SAN to HOU 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 HOU with taxes and fees.
Where can I connect between San Diego and Houston?
The most direct connections are through Austin (AUS), Tucson (TUS), El Paso (ELP), San Antonio (SAT) and Phoenix (PHX). On 24 of them the same airline flies both flights, for example Southwest Airlines through Austin.
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.