Expect long lines at AUS, especially during early morning rush hours. Arrive early to navigate security smoothly.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $115 (Cheapflightsfares) |
One-way from | $72 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $266 |
Good round-trip deal | $191 or less |
Good one-way deal | $100 or less |
Fly from
Fly to
Route
Depart
Return
Price
AustinSan Diego
AUS - SAN
AUSSAN
Austin Bergstrom
Wed 12/17
6:55 am-10:46 pm
1 stop17h 51m
San Diego
Sat 12/20
7:21 pm-4:03 pm
1 stop18h 42m
AustinSan Diego
AUS - SAN
AUSSAN
Austin Bergstrom
Wed 12/10
6:55 am-10:46 pm
1 stop17h 51m
San Diego
Wed 12/17
6:34 am-10:13 am
2 stops25h 39m
AustinSan Diego
AUS - SAN
AUSSAN
Austin Bergstrom
Sat 2/7
1:30 pm-2:57 pm
Nonstop3h 27m
San Diego
Sat 2/7
5:46 pm-10:48 pm
Nonstop3h 02m
AustinSan Diego
AUS - SAN
AUSSAN
Austin Bergstrom
Wed 12/10
7:55 pm-9:05 pm
Nonstop3h 10m
San Diego
Sat 12/13
4:25 pm-9:10 pm
Nonstop2h 45m
AustinSan Diego
AUS - SAN
AUSSAN
Austin Bergstrom
Tue 2/3
6:00 am-7:32 am
Nonstop3h 32m
San Diego
Tue 2/10
7:48 am-12:50 pm
Nonstop3h 02m
AustinSan Diego
AUS - SAN
AUSSAN
Austin Bergstrom
Sat 1/31
1:30 pm-2:57 pm
Nonstop3h 27m
San Diego
Wed 2/4
9:44 am-2:46 pm
Nonstop3h 02m
AustinSan Diego
AUS - SAN
AUSSAN
Austin Bergstrom
Wed 2/4
6:00 am-7:32 am
Nonstop3h 32m
San Diego
Tue 2/10
2:17 pm-7:19 pm
Nonstop3h 02m
AustinSan Diego
AUS - SAN
AUSSAN
Austin Bergstrom
Sat 2/7
8:06 pm-9:36 pm
Nonstop3h 30m
San Diego
Tue 2/10
9:44 am-2:46 pm
Nonstop3h 02m
AustinSan Diego
AUS - SAN
AUSSAN
Austin Bergstrom
Wed 12/10
2:56 pm-4:22 pm
Nonstop3h 26m
San Diego
Wed 12/17
5:10 pm-10:09 pm
Nonstop2h 59m
AustinSan Diego
AUS - SAN
AUSSAN
Austin Bergstrom
Sun 12/7
6:15 am-7:25 am
Nonstop3h 10m
San Diego
Sat 12/13
4:25 pm-9:10 pm
Nonstop2h 45m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Austin to San Diego is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, May is the cheapest month in which you can book a flight from Austin to San Diego (average of $84). Flying from Austin to San Diego in July is currently the most expensive (average of $132). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Austin to San Diego in the evening. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the afternoon.
Travelers seeking maximum savings on their Austin to San Diego flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
Crew
Comfort
Entertainment
Food
Overall
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$71 | Average$148 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$95 | Average$182 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$119 | Average$271 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$127 | Average$305 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$183 | Average$322 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$185 | Average$327 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$321 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$230 | Average$388 | FlexibilityNo cancel fee | On-time71% |