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Uncover the best deals on Austin to San Diego flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest AUS - SAN Flights
Useful information for finding best airline tickets from Austin Bergstrom International to San Diego International on your next trip.
Cheapest Round Trip Flight
$305
Southwest Airlines
• nonstop
• 4h 15m
Sep 17 – Sep 20
The cheapest round trip flight from Austin to San Diego (AUS-SAN-AUS) is currently $305
Cheapest One way Flight
$247
Alaska Airlines
• nonstop
• 5h 14m
Aug 10
The cheapest one way flight from Austin to San Diego (AUS-SAN) is currently $247
Cheapest Direct Flight
$305
Southwest Airlines
• nonstop
• 4h 15m
Sep 17
The cheapest nonstop flight from Austin to San Diego (AUS-SAN) is currently $305
Fastest Flight
4h 10m
The fastest nonstop flight from Austin to San Diego (AUS-SAN) takes 4h 10m
Top Airlines Flying from Austin to San Diego
Latest Flight Deals from Austin (AUS) to San Diego (SAN)
Compare and book low fare round-trip air tickets from Austin to San Diego. Ideal for travelers with confirmed return itineraries.
Sep 17 - Sep 20, Economy
Austin → San Diego
4h 15m
9:00 AM - 9:55 AM • nonstop
Austin → San Diego
5h
6:30 AM - 11:30 AM • nonstop
Southwest Airlines
Sep 17 - Sep 20, Economy
Austin → San Diego
9h
12:10 PM - 3:50 PM • 1 stop
Austin → San Diego
4h 15m
1:25 PM - 6:20 PM • nonstop
Southwest Airlines
Sep 17 - Sep 20, Economy
Austin → San Diego
4h 10m
12:35 PM - 1:25 PM • nonstop
Austin → San Diego
17h 5m
7:50 AM - 8:15 PM • 1 stop
Southwest Airlines
Sep 17 - Sep 20, Economy
Austin → San Diego
7h 25m
8:30 AM - 11:15 AM • 1 stop
Austin → San Diego
4h 15m
1:25 PM - 6:20 PM • nonstop
Southwest Airlines
Sep 17 - Sep 20, Economy
Austin → San Diego
7h 5m
11:30 AM - 1:55 PM • 1 stop
Austin → San Diego
5h
7:40 PM - 12:40 AM • nonstop
Southwest Airlines
Explore competitive one-way airfare options for AUS - SAN flights. Best suited for flexible or open-ended travel plans.
Flying to San Diego soon? We've surfaced some of the most affordable last-minute flights from Austin to San Diego, ideal for urgent plans or spontaneous trips.
Looking for the fastest way to San Diego? These direct flight options from AUS to SAN offer both convenience and value—no layovers, just straight to your destination.
Sep 17 - Sep 20, Economy
Austin → San Diego
4h 15m
9:00 AM - 9:55 AM • nonstop
Austin → San Diego
5h
6:30 AM - 11:30 AM • nonstop
Southwest Airlines
Sep 17 - Sep 20, Economy
Austin → San Diego
4h 15m
6:50 AM - 7:45 AM • nonstop
Austin → San Diego
5h
6:30 AM - 11:30 AM • nonstop
Southwest Airlines
Sep 17 - Sep 20, Economy
Austin → San Diego
4h 10m
12:35 PM - 1:25 PM • nonstop
Austin → San Diego
4h 15m
8:15 AM - 1:10 PM • nonstop
Southwest Airlines
Sep 17 - Sep 20, Economy
Austin → San Diego
4h 15m
5:10 PM - 6:05 PM • nonstop
Austin → San Diego
5h
7:40 PM - 12:40 AM • nonstop
Southwest Airlines
FAQs on Austin to San Diego Flights
What are the airports in Austin?
AUS
What’s the most popular airline flying from AUS to SAN?
The most popular airline flying from Austin to San Diego are
Can I fly from AUS to SAN non-stop?
Yes, you can fly AUS to SAN non-stop on
Which airlines fly nonstop between Austin and San Diego?
The non-stop flights between Austin and San Diego are .
What’s the earliest departure time from AUS to SAN Airport?
The earliest flight leaves AUS at 5:15 am and lands in SAN - San Diego International
What are the airports in San Diego?
SAN
Can I make changes to my Austin to San Diego flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from AUS to SAN?
Read the fare rules of the Austin to San Diego air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Austin and San Diego?
operate flights between Austin and San Diego
How long does a flight from Austin to San Diego take?
It takes approximately 3 hour to fly non-stop from AUS to SAN, which is 1164.23 miles by air.
Which airlines provide the cheapest flights from Austin (AUS) to San Diego (SAN) ?
In the past couple of days, the cheapest tickets to SAN from AUS were found on WN : USD 543
Do I need a passport to fly between AUS and SAN?
No
What’s the latest departure time from AUS to SAN ?
The last flight leaves AUS at 8:30 pm
Essential Information for Booking Flights from Austin (AUS) - AI Insights
What's the cheapest airline from aus to san?
Frontier Airlines offers budget-friendly flights from Austin to San Diego. For a round-trip journey with 4 passengers, booking at least 10 days in advance can help secure low fares.
What's the popular airline to fly from aus to san?
You can fly from Austin Bergstrom International Airport (aus) to San Diego International Airport (san) on Southwest Airlines. This is a 0-stop, round-trip economy flight suitable for 4 passengers. Booking in advance will help you secure the best airfares. You can find affordable flights with airlines like Southwest Airlines by searching on fareleaders.com.
What's the cheapest day of the week to fly from aus to san?
The cheapest day to fly from Austin (AUS) to San Diego (SAN) is Wednesday. Flying on this day can help you save on airfares, as it tends to be a less busy day for flights. You can find budget-friendly flights with low fares by booking in advance and being flexible with your travel dates.
What's the cheapest month to fly from aus to san?
The cheapest month to fly from Austin to San Diego is October. Flying during this time can result in budget-friendly flights and savings on airfares, making it an ideal time for a round-trip journey.
Which airline/airlines fly from aus to san?
The airlines that fly from Austin to San Diego are Southwest Airlines, American Airlines, Hawaiian Airlines, JetBlue Airways, Allegiant, United Airlines, Delta Airlines, Alaska Airlines, British Airways, and Frontier Airlines.
What is the cheapest airline to fly from Austin Bergstrom International Airport (AUS) to San Diego International Airport (SAN)?
Frontier Airlines (F9)
How far in advance should I book my flights for the best airfare deals?
It is recommended to book your flights at least 10 days in advance to get the best airfare deals.
Can I find cheap flights on your website for a weekend getaway in July?
Yes, you can find affordable flights on our website for a weekend getaway in July.
Are there any airlines that offer direct flights from AUS to SAN?
Southwest Airlines (WN) offers direct flights from Austin Bergstrom International Airport (AUS) to San Diego International Airport (SAN).
What is the total cost of a round trip economy flight from AUS to SAN?
The total cost of a round trip economy flight from AUS to SAN can be found on our website.
How do I look for busco flights and fares on your airline's website?
You can search for busco flights and fares on our website by using the search bar at the top of the page.
Can I book my flights online through your agency?
Yes, you can book your flights online through our website.
Austin (AUS) to San Diego (SAN): Airport Information
| Origin Airport | Austin Bergstrom International , Austin, US |
| Destination Airport | San Diego International , San Diego, US |
| Distance | 1164 miles |
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