United States Β· 1,163 miles (1,871 km)

Austin (AUS) to San Diego (SAN) flights

3 airlines fly nonstop from Austin (AUS) to San Diego (SAN): Alaska Airlines, Delta Air Lines and Southwest Airlines. The two airports are 1,163 miles (1,871 km) apart. Alaska Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 26 ways to fly it with one stop, through El Paso, Phoenix and Albuquerque and more.

Airlines flying nonstop from AUS to SAN

Book AUS to SAN with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

AUS to SAN with one stop

26 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via El Paso (ELP)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Phoenix (PHX)American Airlines, Frontier Airlines and 1 more the whole way
    American Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
    +1
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
  • Via Albuquerque (ABQ)Southwest Airlines the whole way
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Las Vegas (LAS)Delta Air Lines, Frontier Airlines and 1 more the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    Allegiant Air logo
    +1
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
  • Via Los Angeles (LAX)Delta Air Lines and United Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +1
    Delta Air Lines logo
    United 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 Houston (IAH)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Houston (HOU)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
  • Via Hayden (HDN)Southwest Airlines, then Alaska Airlines
    Southwest Airlines logo
    Alaska Airlines logo
  • Via Tulsa (TUL)Southwest Airlines, then Alaska Airlines
    Southwest Airlines logo
    Alaska Airlines logo
  • Via San Jose Cabo (SJD)Southwest Airlines the whole way
    Southwest Airlines logo
    American Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines and Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via San Jose (SJC)Southwest Airlines the whole way
    Southwest Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
    Southwest Airlines logo
See all 26 in Routes

AUS to SAN: common questions

Which airlines fly nonstop from AUS to SAN?

Alaska Airlines (oneworld), Delta Air Lines (SkyTeam) and Southwest Airlines fly nonstop from Austin (AUS) to San Diego (SAN).

How far is Austin from San Diego by plane?

Austin (AUS) and San Diego (SAN) are 1,163 miles (1,871 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book AUS to SAN award flights?

17 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does AUS 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 AUS to SAN with taxes and fees.

Where can I connect between Austin and San Diego?

The most direct connections are through El Paso (ELP), Phoenix (PHX), Albuquerque (ABQ), Las Vegas (LAS) and Los Angeles (LAX). On 23 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.