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

One way Round trip

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Economy

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Return flight: San Diego – Austin

Cheap Flights Flights Schedule

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

Take a look at the list of non stop flights and flights with layovers from Austin to San Diego with the lowest price of $71. The fastest direct flight takes 2h 50m and the fastest connecting – 4h 36m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $108 Find flight	19:53 Austin Austin-Bergstrom Intl	20:43 San Diego San Diego	2h 50m	Frontier Airlines	F91877
from $138 Find flight	06:00 Austin Austin-Bergstrom Intl	06:59 San Diego San Diego	2h 59m	Hawaiian Airlines	HA4767
from $142 Find flight	06:00 Austin Austin-Bergstrom Intl	06:59 San Diego San Diego	2h 59m	Alaska Airlines	AS3293
from $71 Find flight	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 Find flight	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 Find flight	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 Find flight	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

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on October 22, 2025

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

Find flight
from$142

Austin — San Diego

AS3293 Alaska Airlines

06:00 — 07:20

3h 20m flight time

Find flight
from$159

Austin — San Diego

AS3337 Alaska Airlines

11:48 — 07:13^+1day

21h 25m flight time

Find flight
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

Find flight
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

Find flight
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

Find flight
from$155

Austin — San Diego

HA4768 Hawaiian Airlines

14:31 — 15:29

2h 58m flight time

Find flight
from$159

Austin — San Diego

AS3301 Alaska Airlines

14:46 — 16:04

3h 18m flight time

Find flight
from$142

Austin — San Diego

HA4730 Hawaiian Airlines

14:46 — 16:04

3h 18m flight time

Find flight
from$179

Austin — San Diego

AS3299 Alaska Airlines

16:34 — 09:55^+1day

19h 21m flight time

Find flight
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

Find flight
from$108

Austin — San Diego

F91877 Frontier Airlines

20:09 — 23:29

5h 20m flight time

Find flight
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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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

You may also consider searching for discounted plane tickets to some other popular places from Austin within United States.

Austin — Las Vegas

from $66

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Austin — New York

from $78

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Austin — Denver

from $67

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Austin — Boston

from $62

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Austin — Orlando

from $73

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Austin — Seattle

from $66

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Austin — Miami

from $57

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Austin — Dallas

from $54

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Austin — Atlanta

from $57

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Austin — Los Angeles

from $68

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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.

Austin — London

from $56

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Austin — Cancun

from $54

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Austin — Mexico City

from $64

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Austin — Paris

from $56

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Austin — Toronto

from $67

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Austin — Madrid

from $72

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Austin — Puerto Vallarta

from $61

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Austin — Montreal

from $76

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Austin — Dublin

from $79

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Austin — San Juan

from $62

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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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