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Cheap flights from Austin to San Diego

49 nonstop flights a week, 6 of them today. Operated by 4 airlines, about 3h 10m in the air, 1,155 mi (1,858 km). Tickets from $145, nonstop from $181.

Flights from Austin to San Diego

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Austin to San Diego

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Austin to San Diego

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $145 20 December 2026, with a connection Cheapest nonstop $181 20 December 2026, Southwest Airlines Cheapest in the next 7 days $176 15 November, Sun Cheapest month December 2026 tickets from $145

Austin to San Diego at a glance

flight time, from 2h 55m to 12h 23m
3h 10m
straight-line distance
1,155 mi (1,858 km)
flights a week
49
flights today
6
first and last departure
06:00 - 13:45
lowest price, with a connection, 20 December
$145
lowest nonstop price
$181
airlines
4

Austin to San Diego ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $145. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $176. The average across months is $160.

Austin to San Diego flight schedule

49 flights a week, 6 today, 61 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AS 3293
Alaska Airlines
06:00 Austin-Bergstrom International
07:26 San Diego International, terminal 2
3h 26m
Daily
Embraer EMB 175
WN 420
Southwest Airlines
06:05 Austin-Bergstrom International
07:05 San Diego International, terminal 1
3h
Mon, Thu, Fri, Sat, Sun
Boeing 737
UA 2177
United Airlines
06:23 Austin-Bergstrom International
11:57 San Diego International, terminal 2
7h 34m
Mon
Boeing 737-800
UA 2177
United Airlines
06:27 Austin-Bergstrom International
11:57 San Diego International, terminal 2
7h 30m
Mon, Thu, Fri, Sun
Boeing 737
UA 2177
United Airlines
07:00 Austin-Bergstrom International
11:57 San Diego International, terminal 2
6h 57m
Tue, Wed, Sat
Airbus A319
WN 1263
Southwest Airlines
07:10 Austin-Bergstrom International
08:10 San Diego International, terminal 1
3h
Sat
Boeing 737-800
WN 1869
Southwest Airlines
07:25 Austin-Bergstrom International
08:30 San Diego International, terminal 1
3h 5m
Mon, Tue, Wed, Thu
Boeing 737-800
WN 1978
Southwest Airlines
07:35 Austin-Bergstrom International
08:35 San Diego International, terminal 1
3h
Mon, Thu, Fri, Sun
UA 1668
United Airlines
09:00 Austin-Bergstrom International
15:32 San Diego International, terminal 2
8h 32m
Daily
Boeing 737
WN 421
Southwest Airlines
11:20 Austin-Bergstrom International
12:20 San Diego International, terminal 1
3h
Mon, Thu, Fri, Sun
Boeing 737-800
WN 421
Southwest Airlines
12:05 Austin-Bergstrom International
13:05 San Diego International, terminal 1
3h
Sat
AS 3489
Alaska Airlines
12:34 Austin-Bergstrom International
14:05 San Diego International, terminal 2
3h 31m
Mon, Fri, Sat, Sun
Embraer EMB 175
WN 421
Southwest Airlines
12:40 Austin-Bergstrom International
13:40 San Diego International, terminal 1
3h
Mon, Tue, Wed, Thu
Boeing 737
WN 421
Southwest Airlines
13:25 Austin-Bergstrom International
14:25 San Diego International, terminal 1
3h
Sat
Boeing 737-800
AS 3489
Alaska Airlines
13:45 Austin-Bergstrom International
15:05 San Diego International, terminal 2
3h 20m
Daily
Embraer EMB 175

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 2183
Southwest Airlines
06:00 Austin-Bergstrom International
09:30 San Diego International, terminal 1
5h 30m
Seasonal
WN 420
Southwest Airlines
06:30 Austin-Bergstrom International
07:30 San Diego International, terminal 1
3h
Seasonal
Boeing 737-800
WN 352
Southwest Airlines
09:35 Austin-Bergstrom International
12:30 San Diego International, terminal 1
4h 55m
Seasonal
Boeing 737
WN 421
Southwest Airlines
10:25 Austin-Bergstrom International
11:30 San Diego International, terminal 1
3h 5m
Seasonal
Boeing 737
WN 162
Southwest Airlines
12:45 Austin-Bergstrom International
16:25 San Diego International, terminal 1
5h 40m
Seasonal
WN 724
Southwest Airlines
06:25 Austin-Bergstrom International
07:25 San Diego International, terminal 1
3h
Seasonal
UA 2177
United Airlines
07:15 Austin-Bergstrom International
11:57 San Diego International, terminal 2
6h 42m
Seasonal
Airbus A319
UA 1668
United Airlines
09:15 Austin-Bergstrom International
15:32 San Diego International, terminal 2
8h 17m
Seasonal
Airbus A319
WN 421
Southwest Airlines
12:50 Austin-Bergstrom International
13:55 San Diego International, terminal 1
3h 5m
Seasonal
Boeing 737
WN 2779
Southwest Airlines
06:40 Austin-Bergstrom International
07:40 San Diego International, terminal 1
3h
Seasonal
Boeing 737
WN 2554
Southwest Airlines
11:30 Austin-Bergstrom International
12:30 San Diego International, terminal 1
3h
Seasonal
Boeing 737
WN 4809
Southwest Airlines
13:40 Austin-Bergstrom International
14:40 San Diego International, terminal 1
3h
Seasonal
Boeing 737
AS 3489
Alaska Airlines
13:36 Austin-Bergstrom International
15:03 San Diego International, terminal 2
3h 27m
Seasonal
Embraer EMB 175
UA 1668
United Airlines
08:40 Austin-Bergstrom International
15:39 San Diego International, terminal 2
8h 59m
Seasonal
Boeing 737-800
AS 3489
Alaska Airlines
13:02 Austin-Bergstrom International
14:33 San Diego International, terminal 2
3h 31m
Seasonal
Embraer EMB 175
AS 3116
Alaska Airlines
06:00 Austin-Bergstrom International
07:31 San Diego International, terminal 2
3h 31m
Seasonal
Embraer EMB 175
UA 2177
United Airlines
07:01 Austin-Bergstrom International
12:01 San Diego International, terminal 2
7h
Seasonal
Boeing 737
WN 358
Southwest Airlines
07:15 Austin-Bergstrom International
08:25 San Diego International, terminal 1
3h 10m
Seasonal
WN 802
Southwest Airlines
11:20 Austin-Bergstrom International
19:45 San Diego International, terminal 1
10h 25m
Seasonal
WN 1665
Southwest Airlines
12:50 Austin-Bergstrom International
14:00 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737
WN 347
Southwest Airlines
13:00 Austin-Bergstrom International
15:35 San Diego International, terminal 1
4h 35m
Seasonal
WN 358
Southwest Airlines
06:35 Austin-Bergstrom International
07:45 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737
WN 1373
Southwest Airlines
11:40 Austin-Bergstrom International
12:50 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737
WN 358
Southwest Airlines
06:20 Austin-Bergstrom International
07:30 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737-800
WN 268
Southwest Airlines
07:50 Austin-Bergstrom International
12:15 San Diego International, terminal 1
6h 25m
Seasonal
WN 172
Southwest Airlines
10:50 Austin-Bergstrom International
15:25 San Diego International, terminal 1
6h 35m
Seasonal
WN 359
Southwest Airlines
13:15 Austin-Bergstrom International
14:25 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737-800
WN 358
Southwest Airlines
07:30 Austin-Bergstrom International
08:40 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737
WN 359
Southwest Airlines
11:55 Austin-Bergstrom International
13:05 San Diego International, terminal 1
3h 10m
Seasonal
WN 359
Southwest Airlines
13:40 Austin-Bergstrom International
14:50 San Diego International, terminal 1
3h 10m
Seasonal
UA 1449
United Airlines
08:30 Austin-Bergstrom International
18:53 San Diego International, terminal 2
12h 23m
Seasonal
Airbus A319
UA 1668
United Airlines
08:55 Austin-Bergstrom International
14:58 San Diego International, terminal 2
8h 3m
Seasonal
Airbus A320
WN 4879
Southwest Airlines
05:50 Austin-Bergstrom International
07:05 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 4602
Southwest Airlines
06:20 Austin-Bergstrom International
10:10 San Diego International, terminal 1
5h 50m
Seasonal
WN 379
Southwest Airlines
08:00 Austin-Bergstrom International
09:15 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 380
Southwest Airlines
11:45 Austin-Bergstrom International
13:00 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 2024
Southwest Airlines
05:50 Austin-Bergstrom International
07:05 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 381
Southwest Airlines
13:40 Austin-Bergstrom International
14:55 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 4879
Southwest Airlines
06:40 Austin-Bergstrom International
07:55 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 380
Southwest Airlines
10:05 Austin-Bergstrom International
11:20 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737
WN 4879
Southwest Airlines
06:30 Austin-Bergstrom International
07:45 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737-800
WN 2305
Southwest Airlines
12:40 Austin-Bergstrom International
13:55 San Diego International, terminal 1
3h 15m
Seasonal
Boeing 737-800
WN 2340
Southwest Airlines
06:20 Austin-Bergstrom International
07:30 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737
WN 4540
Southwest Airlines
11:40 Austin-Bergstrom International
12:45 San Diego International, terminal 1
3h 5m
Seasonal
Boeing 737
WN 374
Southwest Airlines
06:15 Austin-Bergstrom International
07:25 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737
WN 375
Southwest Airlines
08:05 Austin-Bergstrom International
09:15 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737
WN 4540
Southwest Airlines
11:45 Austin-Bergstrom International
12:50 San Diego International, terminal 1
3h 5m
Seasonal
Boeing 737
WN 374
Southwest Airlines
06:20 Austin-Bergstrom International
07:30 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737-800
WN 4540
Southwest Airlines
11:55 Austin-Bergstrom International
13:00 San Diego International, terminal 1
3h 5m
Seasonal
Boeing 737
WN 374
Southwest Airlines
06:45 Austin-Bergstrom International
07:55 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737
WN 4540
Southwest Airlines
12:25 Austin-Bergstrom International
13:35 San Diego International, terminal 1
3h 10m
Seasonal
Boeing 737-800
DL 1775
Delta
12:59 Austin-Bergstrom International
14:14 San Diego International, terminal 2
3h 15m
Seasonal
Airbus A319
WN 310
Southwest Airlines
06:40 Austin-Bergstrom International
07:35 San Diego International, terminal 1
2h 55m
Seasonal
Boeing 737
WN 403
Southwest Airlines
10:20 Austin-Bergstrom International
11:15 San Diego International, terminal 1
2h 55m
Seasonal
Boeing 737
WN 4488
Southwest Airlines
13:20 Austin-Bergstrom International
14:15 San Diego International, terminal 1
2h 55m
Seasonal
Boeing 737
WN 310
Southwest Airlines
06:50 Austin-Bergstrom International
07:45 San Diego International, terminal 1
2h 55m
Seasonal
Boeing 737
WN 2252
Southwest Airlines
06:55 Austin-Bergstrom International
07:50 San Diego International, terminal 1
2h 55m
Seasonal
WN 403
Southwest Airlines
12:10 Austin-Bergstrom International
13:05 San Diego International, terminal 1
2h 55m
Seasonal
Boeing 737
WN 310
Southwest Airlines
06:20 Austin-Bergstrom International
07:15 San Diego International, terminal 1
2h 55m
Seasonal
Boeing 737
WN 403
Southwest Airlines
08:10 Austin-Bergstrom International
09:05 San Diego International, terminal 1
2h 55m
Seasonal
Boeing 737
WN 4488
Southwest Airlines
12:15 Austin-Bergstrom International
13:10 San Diego International, terminal 1
2h 55m
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. San Diego is 2 hours behind Austin. The search shows seat availability and the price for your date.

Airlines flying Austin to San Diego

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Southwest Airlines21 a week Alaska Airlines14 a week United Airlines14 a week Deltafrom 12 April

Airports

Where flights from Austin to San Diego depart and land

Departure from Austin

Austin-Bergstrom International AUS

49 flights a week, 6 mi (10 km) from the city centre

About the airport

Arrival in San Diego

San Diego International SAN

49 flights a week, terminals 1, 2, 2 mi (4 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Austin to San Diego?
A nonstop flight takes 3 hours 10 minutes on average, from 2h 55m to 12h 23m depending on the flight.
How far is San Diego from Austin?
1,155 mi (1,858 km) in a straight line between the cities.
Which airlines fly nonstop from Austin to San Diego?
Southwest Airlines (21 a week), Alaska Airlines (14 a week), United Airlines (14 a week) and Delta.
How many flights a day are there from Austin to San Diego?
6 flights today and 49 a week, about 7 a day on average.
When are the first and last flights from Austin to San Diego?
The first departure is at 06:00 (AS3293), the last at 13:45 (AS3489). Local time.
What is the cheapest month to fly from Austin to San Diego?
December 2026: tickets from $145. The most expensive is November 2026, from $176.
What is the cheapest upcoming date to fly from Austin to San Diego?
20 December 2026 (Sunday): from $145 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Austin to San Diego?
Southwest Airlines: nonstop tickets from $181 on 20 December by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Austin and San Diego?
San Diego is 2 hours behind Austin. Schedule times on this page are local to each airport.
Which Austin airport do flights to San Diego leave from?
Austin-Bergstrom International (49 a week).