Austin to San Diego

AUSSAN

Fly from Austin to San Diego starting at USD 103 with Frontier Airlines.Best fare available on Nov 6, 2026.Limited seats. Better plans. Book before it's gone.

Austin to San Diego cheapest flights this week

10 Sept
Frontier Airlines
20:24AUS
01:51SAN
1 StopUSD 146VIEW DEAL
6 Nov
Southwest Airlines
05:15AUS
11:40SAN
1 StopUSD 168VIEW DEAL
6 Nov
Frontier Airlines
13:08AUS
21:47SAN
1 StopUSD 103VIEW DEAL
6 Nov
Alaska Airlines
19:59AUS
23:19SAN
DirectUSD 120VIEW DEAL
6 Nov
Southwest Airlines
06:05AUS
09:05SAN
DirectUSD 121VIEW DEAL
6 Nov
Frontier Airlines
20:21AUS
01:57SAN
1 StopUSD 109VIEW DEAL
27 Dec
Southwest Airlines
06:30AUS
09:30SAN
DirectUSD 226VIEW DEAL

Austin to San Diego monthly flight fare trend

Sep
from USD 146
Oct
No flights
Nov
from USD 103
Dec
from USD 226
Jan
No flights
Feb
No flights

Airport Details

Origin

Austin

Austin Bergstrom International Airport (AUS)

Austin, AUS
Zone

Chicago

Elev

542 ft

Destination

San Diego

San Diego International Airport (SAN)

San Diego, SAN
Zone

Los Angeles

Elev

17 ft

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