Cheap Flights from Austin, TX to San Diego, CA from $71

Return flight: San Diego – Austin

On Cheapflightsplus.com you will find 8 direct and 369 connecting flights from Austin to San Diego. You can compare airfare deals from 6 airlines and multiple travel sites from $71, book and save on cheap plane tickets and last minute offers. Also check out AUS-SAN flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Austin to San Diego depends on and how to choose the most interesting flight option for you.

Distance between Austin and San Diego is 1870 miles. Time difference between the cities is 2h. Airplanes depart 05:00 to 20:45 from 3 Austin airports and arrive 05:00 to 20:45 to 11 San Diego airports. Average flight time is 2h 59m.

  • The fastest flight 2h 50m
  • Average flight time 2h 59m
  • The earliest flight 05:00
  • The latest flight 20:45
  • Distance 1162 ml

The cheapest months to travel to San Diego are june (from 71 $), july (from 77 $), may (from 84 $).

The most expensive months are november (from 237 $), february (from 215 $), december (from 142 $).

What is the lowest airfare Austin to San Diego?

The cheapest plane ticket found by our users is $71. This airfare is for economy class on one-way NK2628 flight by Spirit Airlines for July 5, 2025 which leaves Austin-Bergstrom Intl in Austin at 20:09 am and arrives at San Diego San Diego at 23:29.

Economy class
$71
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Business class
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First class
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Flight Schedule Austin (Texas) to San Diego (California)

06:00 — 06:59
2h 59m flight time
Find flight
from$138
Austin — San Diego
HA4767 Hawaiian Airlines
06:00 — 06:59
2h 59m flight time
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from$142
Austin — San Diego
AS3293 Alaska Airlines
06:00 — 07:20
3h 20m flight time
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from$159
Austin — San Diego
AS3337 Alaska Airlines
11:48 — 07:13+1day
21h 25m flight time
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from$78
11:48 — 12:38 Austin — Las Vegas
G465 Allegiant Air
17h 22m stop
06:00 — 07:13 Las Vegas — San Diego
NK2502 Spirit Airlines
11:50 — 07:13+1day
21h 23m flight time
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from$77
11:48 — 12:38 Austin — Las Vegas
G428 Allegiant Air
17h 22m stop
06:00 — 07:13 Las Vegas — San Diego
NK2502 Spirit Airlines
11:50 — 09:55+1day
24h 5m flight time
Find flight
from$83
11:50 — 12:38 Austin — Las Vegas
G428 Allegiant Air
20h 2m stop
08:40 — 09:55 Las Vegas — San Diego
NK1154 Spirit Airlines
14:22 — 16:58
4h 36m flight time
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from$92
12:58 — 13:34 Austin — Phoenix
F93659 Frontier Airlines
46m stop
15:05 — 16:22 Phoenix — San Diego
F92083 Frontier Airlines
14:31 — 15:29
2h 58m flight time
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from$155
Austin — San Diego
HA4768 Hawaiian Airlines
14:31 — 15:29
2h 58m flight time
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from$159
Austin — San Diego
AS3301 Alaska Airlines
14:46 — 16:04
3h 18m flight time
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from$142
Austin — San Diego
HA4730 Hawaiian Airlines
14:46 — 16:04
3h 18m flight time
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from$179
Austin — San Diego
AS3299 Alaska Airlines
16:34 — 09:55+1day
19h 21m flight time
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from$84
16:34 — 17:43 Austin — Las Vegas
NK1656 Spirit Airlines
14h 57m stop
08:40 — 09:55 Las Vegas — San Diego
NK1154 Spirit Airlines
16:34 — 17:55+1day
27h 21m flight time
Find flight
from$84
16:34 — 17:43 Austin — Las Vegas
NK1656 Spirit Airlines
22h 55m stop
16:38 — 17:55 Las Vegas — San Diego
NK1150 Spirit Airlines
19:53 — 20:43
2h 50m flight time
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from$108
Austin — San Diego
F91877 Frontier Airlines
20:09 — 23:29
5h 20m flight time
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from$71
20:11 — 21:09 Austin — Las Vegas
NK2628 Spirit Airlines
1h 5m stop
22:42 — 23:56 Las Vegas — San Diego
NK2390 Spirit Airlines
Full flight schedule will help you in detecting at what time planes fly from Austin to San Diego. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 22, 2025.

Popular Airlines on the Route

The flight Austin — San Diego is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 79 departures per week at the price of from $ 132 . And the most expensive tickets are offered by Spirit Airlines airline - from $ 2220.

Direct flights

There are 8 nonstop flights on the route. The fastest direct flight is F91877 by Frontier Airlines takes 2h 50m and the cheapest is NK2628 by Spirit Airlines for $108.

  • AS - Alaska Airlines
    from $142
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  • F9 - Frontier Airlines
    from $108
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  • HA - Hawaiian Airlines
    from $138
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See more direct flights

Connecting Flights

There are 369 flights with layovers on the route. The fastest connecting flight is F93659 by Frontier Airlines takes 4h 36m and the cheapest is NK2628 by Spirit Airlines for $71.

  • AS - Alaska Airlines
    from $132
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  • F9 - Frontier Airlines
    from $92
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  • HA - Hawaiian Airlines
    from $124
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  • UA - United Airlines
    from $165
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  • NK - Spirit Airlines
    from $71
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  • G4 - Allegiant Air
    from $77
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See more connecting flights

Airports

You can fly from Austin to San Diego from 3 airports (Austin-Bergstrom Intl, Austin, Camp Maybry AHP).

Austin airports

  • Austin-Bergstrom Intl-AUS
    from $71
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  • Austin-ASQ
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  • Camp Maybry AHP-MMR
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San Diego airports

  • San Diego-SAN
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  • San Diego Regional-USA
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  • Gillespie Field-SEE
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  • Golden Triangle Reg.-GTR
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  • El Cajon-CJN
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  • Lowndes County-UBS
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  • Miramar NAS-NKX
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  • Montgomery Field-MYF
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  • North Island NAS-NZY
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  • Brown Field Municipal-SDM
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  • AFB-CBM
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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