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

Houston (HOU) to San Diego (SAN) flights

One airline flies nonstop from Houston (HOU) to San Diego (SAN): 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, El Paso and Tucson and more.

Airlines flying nonstop from HOU to SAN

HOU to SAN 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
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
  • Via El Paso (ELP)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Tucson (TUS)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
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
  • 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
    American Airlines logo
    Frontier Airlines logo
    Alaska 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
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
  • Via Los Angeles (LAX)Southwest Airlines, then Delta Air Lines and United Airlines
    Southwest Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Colorado Springs (COS)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Tulsa (TUL)Southwest Airlines, then Alaska Airlines
    Southwest Airlines logo
    Alaska Airlines logo
  • Via Denver (DEN)Southwest Airlines the whole way
    Southwest Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
  • Via San Jose Cabo (SJD)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Salt Lake City (SLC)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
See all 26 in Routes

HOU to SAN: common questions

Which airlines fly nonstop from HOU to SAN?

Southwest Airlines flies nonstop from Houston (HOU) to San Diego (SAN).

How far is Houston from San Diego by plane?

Houston (HOU) and San Diego (SAN) 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 HOU 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 HOU to SAN with taxes and fees.

Where can I connect between Houston and San Diego?

The most direct connections are through Austin (AUS), El Paso (ELP), Tucson (TUS), 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.