United States · 1,310 miles (2,109 km)

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

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
    Alaska Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Tucson (TUS)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via El Paso (ELP)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via San Antonio (SAT)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Phoenix (PHX)Southwest Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
    Southwest Airlines logo
  • Via Albuquerque (ABQ)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    Frontier Airlines logo
    Alaska Airlines logo
    American Airlines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Las Vegas (LAS)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
    Southwest Airlines logo
  • Via Los Angeles (LAX)Delta Air Lines and United Airlines, then Southwest Airlines
    Delta Air Lines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Colorado Springs (COS)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Tulsa (TUL)Alaska Airlines, then Southwest Airlines
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Denver (DEN)Southwest Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    Southwest Airlines logo
  • Via San Jose Cabo (SJD)Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Salt Lake City (SLC)Southwest Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
See all 26 in Routes

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.