$119+ Cheap flights from Austin to San Diego (AUS - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SAN
Dec 7 — Dec 141
Round-trip
1 adult, Economy
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Find cheap flights from Austin to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Austin Bergstrom to San Diego are usually found in January or February, booked 47 days in advance, depart on a Tuesday or Thursday and return on a Wednesday
Cheap flight deals from Austin to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Austin to San DiegoExplore the most affordable flight options available from Austin to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2026.
Explore the most affordable flight options available from Austin to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:00 pm -
2 stops37h 57m
Wed 12/26:30 am -
1 stop9h 18m
Deal found 11/3![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:51 pm -
1 stop7h 06m
Tue 12/87:51 pm -
2 stops12h 23m
Deal found 11/2![Frontier logo]()
$228
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:10 am -
2 stops14h 48m
Mon 12/147:06 pm -
2 stops20h 29m
Deal found 11/2![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:32 pm -
1 stop12h 23m
Wed 12/26:30 am -
1 stop9h 18m
Deal found 11/7![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:59 pm -
1 stop10h 56m
Tue 12/112:32 pm -
2 stops22h 26m
Deal found 11/3![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:34 pm -
1 stop18h 03m
Mon 12/76:30 am -
1 stop9h 05m
Deal found 11/6![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:51 pm -
1 stop7h 06m
Wed 12/98:57 am -
1 stop9h 10m
Deal found 11/6![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:31 pm -
1 stop7h 27m
Wed 12/99:58 am -
2 stops29h 37m
Deal found 11/4![Frontier logo]()
$234
This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:31 pm -
2 stops15h 31m
Wed 12/97:51 pm -
2 stops19h 44m
Deal found 11/4![Frontier logo]()
$236
This Alaska Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:07 pm -
Nonstop3h 31m
Sat 12/52:18 pm -
Nonstop3h 06m
Deal found 11/4![Alaska Airlines logo]()
$237
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:21 pm -
1 stop21h 47m
Sat 11/215:29 pm -
1 stop23h 40m
Deal found 11/2![Frontier logo]()
$238
Best flights from Austin to San DiegoDiscover carefully curated flight deals from Austin to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 7, 2026.
Discover carefully curated flight deals from Austin to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 7, 2026.
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:05 am -
Nonstop3h 00m
Fri 12/2512:10 pm -
Nonstop2h 50m
Deal found 11/3![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:30 am -
1 stop14h 47m
Fri 12/115:13 pm -
Nonstop3h 06m
Deal found 11/2![Alaska Airlines logo]()
$250
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:10 am -
2 stops25h 09m
Thu 12/317:53 pm -
2 stops12h 10m
Deal found 11/2![Frontier logo]()
$289
This Southwest deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/121:25 pm -
Nonstop3h 00m
Mon 12/145:50 pm -
Nonstop2h 50m
Deal found 11/2![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/148:07 pm -
Nonstop3h 31m
Fri 12/187:12 am -
Nonstop3h 10m
Deal found 11/4![Alaska Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:35 pm -
Nonstop3h 05m
Thu 12/105:50 pm -
Nonstop2h 50m
Deal found 11/5![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/47:59 pm -
Nonstop3h 28m
Tue 2/910:37 am -
Nonstop3h 10m
Deal found 11/6![Alaska Airlines logo]()
$274
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:10 pm -
Nonstop3h 15m
Thu 1/145:40 pm -
Nonstop2h 50m
Deal found 11/5![Southwest logo]()
$255
This Alaska Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/46:00 am -
Nonstop3h 31m
Mon 2/86:00 pm -
Nonstop3h 11m
Deal found 11/6![Alaska Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/57:25 am -
Nonstop3h 05m
Thu 1/78:05 am -
Nonstop2h 55m
Deal found 11/7![Southwest logo]()
$274
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:30 am -
Nonstop3h 00m
Thu 11/268:40 am -
Nonstop2h 50m
Deal found 11/3![Southwest logo]()
$282
Last-minute flights from Austin to San DiegoDiscover last-minute flight deals from Austin to San Diego. Data last updated November 7, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to San Diego. Data last updated November 7, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:21 pm -
1 stop21h 47m
Sat 11/215:29 pm -
1 stop23h 40m
Deal found 11/2![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:59 pm -
1 stop10h 56m
Tue 12/112:32 pm -
2 stops22h 26m
Deal found 11/3![Frontier logo]()
$231
This Frontier deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:32 pm -
1 stop12h 23m
Wed 12/26:30 am -
1 stop9h 18m
Deal found 11/7![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:00 pm -
2 stops37h 57m
Wed 12/26:30 am -
1 stop9h 18m
Deal found 11/3![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:34 pm -
1 stop18h 03m
Mon 12/76:30 am -
1 stop9h 05m
Deal found 11/6![Frontier logo]()
$232
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:05 pm -
Nonstop3h 05m
Sat 12/57:05 am -
Nonstop2h 50m
Deal found 11/4![Southwest logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:51 pm -
1 stop7h 06m
Wed 12/98:57 am -
1 stop9h 10m
Deal found 11/6![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:51 pm -
1 stop7h 06m
Tue 12/87:51 pm -
2 stops12h 23m
Deal found 11/2![Frontier logo]()
$228
This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:31 pm -
2 stops15h 31m
Wed 12/97:51 pm -
2 stops19h 44m
Deal found 11/4![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:31 pm -
1 stop7h 27m
Wed 12/99:58 am -
2 stops29h 37m
Deal found 11/4![Frontier logo]()
$234
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:10 am -
2 stops14h 48m
Mon 12/147:06 pm -
2 stops20h 29m
Deal found 11/2![Frontier logo]()
$229
One-way flights from Austin to San DiegoSearch for one-way flight options from Austin to San Diego. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
Search for one-way flight options from Austin to San Diego. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:50 pm -
Nonstop3h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Southwest logo]()
$119
This Super.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:51 pm -
1 stop7h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/107:43 pm -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:32 pm -
1 stop12h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:23 pm -
1 stop18h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$128
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/189:35 pm -
1 stop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![American Airlines logo]()
$129
This Southwest deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:40 pm -
Nonstop3h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Southwest logo]()
$130
This Frontier deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:32 pm -
1 stop12h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$131
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:15 am -
2 stops8h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$134
This Alaska Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am -
Nonstop3h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Alaska Airlines logo]()
$137
Find flight deals from Austin to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $226 (Kiwi.com) |
One-way from | $119 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $296 |
Good round-trip deal | $260 or less |
Good one-way deal | $150 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 7, 2026.
Use the filters below to find and compare flights from Austin to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinSan Diego
AUS Austin Bergstrom - SAN San Diego
AUSSAN
Austin Bergstrom
Fri 12/4
6:00 am-7:37 am
Nonstop3h 37m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$119
AustinSan Diego
AUS Austin Bergstrom - SAN San Diego
AUSSAN
Austin Bergstrom
Mon 1/11
2:45 pm-3:55 pm
Nonstop3h 10m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$119
AustinSan Diego
AUS Austin Bergstrom - SAN San Diego
AUSSAN
Austin Bergstrom
Wed 12/16
6:00 am-7:37 am
Nonstop3h 37m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$119
Quickest round-trip
AustinSan Diego
AUS Austin Bergstrom - SAN San Diego
AUSSAN
Austin Bergstrom
Sat 12/5
5:50 pm-6:50 pm
Nonstop3h 00m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$119
AustinSan Diego
AUS Austin Bergstrom - SAN San Diego
AUSSAN
Austin Bergstrom
Thu 11/26
4:19 pm-5:54 pm
Nonstop3h 35m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$119
AustinSan Diego
AUS Austin Bergstrom - SAN San Diego
AUSSAN
Austin Bergstrom
Wed 11/25
6:30 am-7:30 am
Nonstop3h 00m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$119
AustinSan Diego
AUS Austin Bergstrom - SAN San Diego
AUSSAN
Austin Bergstrom
Tue 11/24
6:00 am-7:35 am
Nonstop3h 35m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$137
AustinSan Diego
AUS Austin Bergstrom - SAN San Diego
AUSSAN
Austin Bergstrom
Fri 11/27
6:05 am-7:05 am
Nonstop3h 00m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$137
AustinSan Diego
AUS Austin Bergstrom - SAN San Diego
AUSSAN
Austin Bergstrom
Thu 12/17
6:05 am-7:05 am
Nonstop3h 00m
San Diego
Fri 12/25
12:10 pm-5:00 pm
Nonstop2h 50m
$237
AustinSan Diego
AUS Austin Bergstrom - SAN San Diego
AUSSAN
Austin Bergstrom
Sat 12/12
1:25 pm-2:25 pm
Nonstop3h 00m
San Diego
Mon 12/14
5:50 pm-10:40 pm
Nonstop2h 50m
$237
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Austin to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to San Diego in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Austin-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Austin to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Austin with our price prediction graph.
AUS-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Austin to San Diego
Prices
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How far ahead should I book a flight from Austin to San Diego?
The best time to book flights from Austin to San Diego is 80 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.
What is the cheapest month to book a flight from Austin to San Diego?
Currently, January is the cheapest month in which you can book a flight from Austin to San Diego (average of $221). Flying from Austin to San Diego in June is currently the most expensive (average of $402). 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.
What is the cheapest time of day to fly from AUS to SAN?
Find hourly flight availability from Austin to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 7, 2026.
It’s optimal to fly from Austin to San Diego in the afternoon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Austin to San Diego?
Use this chart to determine the cheapest time to fly round-trip from Austin to San Diego. Price data was last updated on November 7, 2026.
Travelers seeking maximum savings on their Austin to San Diego flight should consider departing on Tuesday 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.
What’s the top layover airport for flights from Austin to San Diego?
Share of 1-stop round-trip flights from Austin to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 80% of 1-stop itineraries from Austin to San Diego on Cheapflights.
What’s the cheapest layover airport for flights from Austin to San Diego?
Average round-trip fare for 1-stop flights from Austin to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $246.
What’s the fastest layover option from Austin to San Diego?
Shortest average travel time for 1-stop one-way flights from Austin to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 5h 15m.
Which airport typically offers the quickest layover for flights from Austin to San Diego?
Average layover duration for 1-stop one-way flights from Austin to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 1h 03m.
The best insider tips for Austin to San Diego flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Austin to San Diego trip
Our travel experts
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated November 7, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andUnited Airlines from Austin to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Austin to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
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Austin and San Diego flights
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Top 7 airlines flying from Austin to San Diego
Discover the top 7 airlines that operate flights from Austin to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$202 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$286 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$135 | Average$266 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$175 | Average$341 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$197 | Average$351 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$211 | Average$275 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$231 | Average$439 | FlexibilityNo cancel fee | On-time71% |