Cheap Flights from Austin, TX to San Diego, CA from $71
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
Best Flights from Austin to San Diego Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $108 | 19:53 Austin Austin-Bergstrom Intl | 20:43 San Diego San Diego | 2h 50m | Frontier Airlines | F91877 |
from $138 | 06:00 Austin Austin-Bergstrom Intl | 06:59 San Diego San Diego | 2h 59m | Hawaiian Airlines | HA4767 |
from $142 | 06:00 Austin Austin-Bergstrom Intl | 06:59 San Diego San Diego | 2h 59m | Alaska Airlines | AS3293 |
from $71 | 20:09 Austin Austin-Bergstrom Intl | 23:29 San Diego San Diego | 5h 20m layover 1h 5m - Las Vegas | Spirit Airlines | NK2628 NK2390 |
from $77 | 11:50 Austin Austin-Bergstrom Intl | 07:13+1 день San Diego San Diego | 21h 23m layover 17h 22m - Las Vegas | Allegiant Air | G428 NK2502 |
from $120 | 09:50 Austin Austin-Bergstrom Intl | 09:14+1 день San Diego San Diego | 25h 24m layover 5h 21m - Miami 10h 47m - Las Vegas | Spirit Airlines | NK512 NK777 NK1496 |
from $132 | 11:48 Austin Austin-Bergstrom Intl | 16:55+1 день San Diego San Diego | 31h 7m layover 20h 0m - Las Vegas 5h 20m - San Jose | Allegiant Air | G465 NK2386 NK2506 |
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.
Flight Schedule Austin (Texas) to San Diego (California)
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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 Airlinesfrom $142Find
- F9 - Frontier Airlinesfrom $108Find
- HA - Hawaiian Airlinesfrom $138Find
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 Airlinesfrom $132Find
- F9 - Frontier Airlinesfrom $92Find
- HA - Hawaiian Airlinesfrom $124Find
- UA - United Airlinesfrom $165Find
- NK - Spirit Airlinesfrom $71Find
- G4 - Allegiant Airfrom $77Find
Airports
You can fly from Austin to San Diego from 3 airports (Austin-Bergstrom Intl, Austin, Camp Maybry AHP).
Austin airports
- Austin-Bergstrom Intl-AUSfrom $71Find
- Austin-ASQFind
- Camp Maybry AHP-MMRFind
San Diego airports
- San Diego-SANFind
- San Diego Regional-USAFind
- Gillespie Field-SEEFind
- Golden Triangle Reg.-GTRFind
- El Cajon-CJNFind
- Lowndes County-UBSFind
- Miramar NAS-NKXFind
- Montgomery Field-MYFFind
- North Island NAS-NZYFind
- Brown Field Municipal-SDMFind
- AFB-CBMFind
Airplanes
There are flights to San Diego from Austin by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Austin
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Top International Destinations from Austin
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane 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.
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