Cheap Flights from Austin, TX to San Diego, CA from $87

Return flight: San Diego – Austin

On Cheapflightsplus.com you will find 6 direct and 198 connecting flights from Austin to San Diego. You can compare airfare deals from 6 airlines and multiple travel sites from $87, 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.

Find One-Way and Round-Trip Austin to San Diego Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $87 (one-way), $149 (round-trip).
Direct flights
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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 Arrival Flight Details Flight Duration Price
06:00 — 06:59
06:00 — 06:59 HA4767 Hawaiian Airlines
Austin — San Diego
2h 59m
Find flight
from$146
06:00 — 06:59
06:00 — 06:59 AS3293 Alaska Airlines
Austin — San Diego
2h 59m
Find flight
from$150
14:31 — 15:29
14:31 — 15:29 HA4768 Hawaiian Airlines
Austin — San Diego
2h 58m
Find flight
from$163
14:31 — 15:29
14:31 — 15:29 AS3301 Alaska Airlines
Austin — San Diego
2h 58m
Find flight
from$167
14:46 — 16:04
14:46 — 16:04 HA4730 Hawaiian Airlines
Austin — San Diego
3h 18m
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from$150
19:53 — 20:43
19:53 — 20:43 F91877 Frontier Airlines
Austin — San Diego
2h 50m
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from$114
05:15 — 09:09
05:15 — 06:31 UA361 United Airlines
Austin — Denver
1h 14m stop
07:50 — 09:14 UA2309 United Airlines
Denver — San Diego
5h 54m
including layover
Find flight
from$174
05:25 — 10:12
05:25 — 07:10 UA352 United Airlines
Austin — San Francisco
1h 25m stop
08:35 — 10:12 UA264 United Airlines
San Francisco — San Diego
6h 47m
including layover
Find flight
from$174
06:00 — 09:14
06:00 — 06:47 NK1503 Spirit Airlines
Austin — Las Vegas
1h 13m stop
08:00 — 09:14 NK1496 Spirit Airlines
Las Vegas — San Diego
5h 14m
including layover
Find flight
from$105
06:00 — 10:45
06:00 — 06:47 NK1503 Spirit Airlines
Austin — Las Vegas
2h 43m stop
09:30 — 10:45 NK1475 Spirit Airlines
Las Vegas — San Diego
6h 45m
including layover
Find flight
from$105
07:00 — 23:02
06:00 — 07:30 F91815 Frontier Airlines
Austin — Denver
13h 16m stop
22:29 — 23:59 F92711 Frontier Airlines
Denver — San Diego
18h 2m
including layover
Find flight
from$102
07:21 — 13:07
07:21 — 09:30 HA4796 Hawaiian Airlines
Austin — Portland
1h stop
10:30 — 13:07 HA6311 Hawaiian Airlines
Portland — San Diego
7h 46m
including layover
Find flight
from$130
08:52 — 12:52
08:52 — 10:08 UA595 United Airlines
Austin — Denver
1h 20m stop
11:28 — 12:52 UA583 United Airlines
Denver — San Diego
6h
including layover
Find flight
from$174
10:32 — 07:11
+1 day
10:32 — 12:24 G43228 Allegiant Air
Austin — Provo
17h 51m stop
06:15 — 07:11 G41588 Allegiant Air
Provo — San Diego
22h 39m
including layover
Find flight
from$161
11:50 — 09:55
+1 day
11:50 — 12:38 G428 Allegiant Air
Austin — Las Vegas
20h 2m stop
08:40 — 09:55 NK1154 Spirit Airlines
Las Vegas — San Diego
24h 5m
including layover
Find flight
from$87
11:50 — 20:30
11:50 — 12:38 G428 Allegiant Air
Austin — Las Vegas
6h 36m stop
19:14 — 20:30 NK1150 Spirit Airlines
Las Vegas — San Diego
10h 40m
including layover
Find flight
from$100
12:50 — 17:32
12:50 — 14:16 UA2473 United Airlines
Austin — Denver
1h 52m stop
16:08 — 17:32 UA1281 United Airlines
Denver — San Diego
6h 42m
including layover
Find flight
from$174
13:40 — 20:38
13:36 — 15:59 HA4770 Hawaiian Airlines
Austin — Seattle
1h 40m stop
17:59 — 20:54 HA6882 Hawaiian Airlines
Seattle — San Diego
8h 58m
including layover
Find flight
from$130
13:40 — 21:53
13:40 — 16:05 HA4770 Hawaiian Airlines
Austin — Seattle
2h 54m stop
18:59 — 21:53 HA6884 Hawaiian Airlines
Seattle — San Diego
10h 13m
including layover
Find flight
from$130
14:22 — 16:58
12:58 — 13:34 F93659 Frontier Airlines
Austin — Phoenix
46m stop
15:05 — 16:22 F92083 Frontier Airlines
Phoenix — San Diego
4h 36m
including layover
Find flight
from$97
15:15 — 18:19
13:53 — 14:55 F94683 Frontier Airlines
Austin — Las Vegas
47m stop
17:01 — 18:26 F91465 Frontier Airlines
Las Vegas — San Diego
5h 4m
including layover
Find flight
from$97
15:39 — 11:37
+1 day
15:39 — 16:41 F93645 Frontier Airlines
Austin — Las Vegas
17h 29m stop
10:10 — 11:37 F91469 Frontier Airlines
Las Vegas — San Diego
21h 58m
including layover
Find flight
from$149
16:34 — 09:55
+1 day
16:34 — 17:43 NK1656 Spirit Airlines
Austin — Las Vegas
14h 57m stop
08:40 — 09:55 NK1154 Spirit Airlines
Las Vegas — San Diego
19h 21m
including layover
Find flight
from$89
16:34 — 17:55
+1 day
16:34 — 17:43 NK1656 Spirit Airlines
Austin — Las Vegas
22h 55m stop
16:38 — 17:55 NK1150 Spirit Airlines
Las Vegas — San Diego
27h 21m
including layover
Find flight
from$89
18:00 — 00:05
+1 day
18:00 — 20:14 HA4872 Hawaiian Airlines
Austin — Portland
1h 16m stop
21:30 — 00:05 HA6426 Hawaiian Airlines
Portland — San Diego
8h 5m
including layover
Find flight
from$151
18:00 — 00:05
+1 day
18:00 — 20:14 AS1396 Alaska Airlines
Austin — Portland
1h 16m stop
21:30 — 00:05 AS1162 Alaska Airlines
Portland — San Diego
8h 5m
including layover
Find flight
from$160
20:00 — 00:13
+1 day
19:50 — 21:35 UA292 United Airlines
Austin — San Francisco
45m stop
22:35 — 00:15 UA2861 United Airlines
San Francisco — San Diego
6h 13m
including layover
Find flight
from$174
09:50 — 09:14
+1 day
09:50 — 13:44 NK512 Spirit Airlines
Austin — Miami
5h 21m stop
19:05 — 21:13 NK777 Spirit Airlines
Miami — Las Vegas
10h 47m stop
08:00 — 09:14 NK1496 Spirit Airlines
Las Vegas — San Diego
25h 24m
including layover
Find flight
from$126
09:50 — 10:45
+1 day
09:50 — 13:44 NK512 Spirit Airlines
Austin — Miami
5h 21m stop
19:05 — 21:13 NK777 Spirit Airlines
Miami — Las Vegas
12h 17m stop
09:30 — 10:45 NK1475 Spirit Airlines
Las Vegas — San Diego
26h 55m
including layover
Find flight
from$126
*Departure and arrival times - local. Updated on July 10, 2025

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 05:15 to 20:45 from 3 Austin airports and arrive 05:15 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 05:15
  • The latest flight 20:45
  • Distance 1162 ml

The cheapest months to travel to San Diego are july (from 87 $), august (from 97 $), may (from 103 $).

The most expensive months are november (from 249 $), february (from 226 $), december (from 150 $).

What is the lowest airfare Austin to San Diego?

The cheapest plane ticket found by our users is $87. This airfare is for economy class on one-way G428 flight by Allegiant Air for July 13, 2025 which leaves Austin-Bergstrom Intl in Austin at 11:50 am and arrives at San Diego San Diego at 09:55.

Economy class
$87
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Business class
?
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First class
?
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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 - 39 departures per week at the price of from $ 138 . And the most expensive tickets are offered by Spirit Airlines airline - from $ 429.

Direct flights

There are 6 nonstop flights on the route. The fastest direct flight is F91877 by Frontier Airlines takes 2h 50m and the cheapest is G428 by Allegiant Air for $114.

  • AS - Alaska Airlines
    from $150
    Find
  • F9 - Frontier Airlines
    from $114
    Find
  • HA - Hawaiian Airlines
    from $146
    Find
See more direct flights

Connecting Flights

There are 198 flights with layovers on the route. The fastest connecting flight is F93659 by Frontier Airlines takes 4h 36m and the cheapest is G428 by Allegiant Air for $87.

  • AS - Alaska Airlines
    from $138
    Find
  • F9 - Frontier Airlines
    from $97
    Find
  • HA - Hawaiian Airlines
    from $130
    Find
  • UA - United Airlines
    from $174
    Find
  • G4 - Allegiant Air
    from $87
    Find
  • NK - Spirit Airlines
    from $89
    Find
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 $87
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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
    Find

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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