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
- Alaska Airlinesoneworld Β· bookable with 9 programsWho books it

- Delta Air LinesSkyTeam Β· bookable with 8 programsWho books it

- Southwest AirlinesNot in an allianceWho books it

Book AUS to SAN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks Alaska Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
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


- Via Phoenix (PHX)American Airlines, Frontier Airlines and 1 more the whole way

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- Via Albuquerque (ABQ)Southwest Airlines the whole way



- Via Las Vegas (LAS)Delta Air Lines, Frontier Airlines and 1 more the whole way

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- Via Los Angeles (LAX)Delta Air Lines and United Airlines the whole way

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- 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 Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way

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- Via Hayden (HDN)Southwest Airlines, then Alaska Airlines


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


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





- Via Salt Lake City (SLC)Delta Air Lines and Southwest Airlines the whole way





- Via San Jose (SJC)Southwest Airlines the whole way




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.