£81 Cheap Flights from Austin (AUS) to San Diego (SAN)

View £81 flight on Tue, 15 Sept 2026Opens in a new window

Popular airlines from Austin-Bergstrom International Airport (AUS) to San Diego Intl. Airport (SAN)

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Cheap Flights from Austin (AUS) to San Diego (SAN)

Prices were available within the past 7 days and start at £81 for one-way flights and £185 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 26 May - Thu, 28 May
AUS
Austin
SAN
San Diego
£185 Return, found 6 days ago
£185
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 26 May from Austin to San Diego, returning Thu, 28 May, priced at £185 found 6 days ago
Alaska Airlines
Mon, 25 May - Mon, 1 Jun
AUS
Austin
SAN
San Diego
£213 Return, found 5 days ago
£213
Return
found 5 days ago
Select Alaska Airlines flight, departing Mon, 25 May from Austin to San Diego, returning Mon, 1 Jun, priced at £213 found 5 days ago
Alaska Airlines
Tue, 26 May - Thu, 28 May
AUS
Austin
SAN
San Diego
£219 Return, found 6 days ago
£219
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 26 May from Austin to San Diego, returning Thu, 28 May, priced at £219 found 6 days ago
Alaska Airlines
Tue, 26 May - Thu, 28 May
AUS
Austin
SAN
San Diego
£219 Return, found 6 days ago
£219
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 26 May from Austin to San Diego, returning Thu, 28 May, priced at £219 found 6 days ago
Alaska Airlines
Mon, 25 May - Mon, 1 Jun
AUS
Austin
SAN
San Diego
£240 Return, found 5 days ago
£240
Return
found 5 days ago
Select Alaska Airlines flight, departing Mon, 25 May from Austin to San Diego, returning Mon, 1 Jun, priced at £240 found 5 days ago
Alaska Airlines
Tue, 26 May - Thu, 28 May
AUS
Austin
SAN
San Diego
£246 Return, found 6 days ago
£246
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 26 May from Austin to San Diego, returning Thu, 28 May, priced at £246 found 6 days ago
Alaska Airlines
Fri, 18 Sept - Wed, 23 Sept
AUS
Austin
SAN
San Diego
£249 Return, found 1 day ago
£249
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 18 Sept from Austin to San Diego, returning Wed, 23 Sept, priced at £249 found 1 day ago
Alaska Airlines
Tue, 26 May - Thu, 28 May
AUS
Austin
SAN
San Diego
£254 Return, found 6 days ago
£254
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 26 May from Austin to San Diego, returning Thu, 28 May, priced at £254 found 6 days ago
Alaska Airlines
Fri, 18 Sept - Wed, 23 Sept
AUS
Austin
SAN
San Diego
£256 Return, found 1 day ago
£256
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 18 Sept from Austin to San Diego, returning Wed, 23 Sept, priced at £256 found 1 day ago
JetBlue Airways
Sat, 13 Jun - Sat, 20 Jun
AUS
Austin
SAN
San Diego
£459 Return, found 5 days ago
£459
Return
found 5 days ago
Select JetBlue Airways flight, departing Sat, 13 Jun from Austin to San Diego, returning Sat, 20 Jun, priced at £459 found 5 days ago

Find the cheapest month to fly from Austin (AUS) to San Diego (SAN)

April is typically the cheapest month to fly

From £116 - £165 per traveller.

Frequently asked questions

Which airlines fly direct from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Enter AUS to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The best airline to fly with from Austin, TX (AUS-Austin-Bergstrom Intl.) (AUS) to San Diego, CA (SAN-San Diego Intl.) (SAN) will differ from traveller to traveller. If you like to fly early, F9 offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. WN offers the most daily flights from Austin, TX (AUS-Austin-Bergstrom Intl.) (AUS) to San Diego, CA (SAN-San Diego Intl.) (SAN), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.)?
When flying from Austin-Bergstrom Intl. (AUS) to San Diego Intl. (SAN), you'll find approximately 4 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 111 connecting flights per day. Some common connection points include Dallas-Fort Worth Intl. (DFW), Denver Intl. (DEN), and Sky Harbor Intl. (PHX).
What is the earliest flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The earliest flight from Austin-Bergstrom Intl. (AUS) to San Diego Intl. (SAN) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in October. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.)?
You'll typically find the most flights from Austin-Bergstrom Intl. (AUS) to San Diego Intl. (SAN) on a Friday, with around 101 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, United Airlines, and American Airlines. Flight options on Friday are notably more than other days, offering you a good selection.
What are the most popular departure times for flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The most popular departure times for flights from Austin-Bergstrom Intl. (AUS) to San Diego Intl. (SAN) are in the early morning, from 6am to 9am. Approximately 25% of passengers prefer this time window. Many major carriers, including American Airlines, Southwest Airlines and Alaska Airlines, offer flights during this window. This timing works well because you can get an early start to your travel day and arrive in San Diego with plenty of time to enjoy your destination.
How long does it take to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Flying nonstop from AUS to SAN takes around 3 hours 20 minutes, with the route covering approximately 1,163 miles. Flights with a layover typically take 2 hours 40 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Select the "Business class" and "First class" filters when looking for AUS to SAN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Diego from Austin-Bergstrom Intl. (AUS)?
If you're planning to travel to San Diego from Austin-Bergstrom Intl. (AUS), you can fly directly into San Diego Intl. (SAN) Some flights may connect through major hubs like Love Field (DAL), Denver Intl. (DEN), El Paso Intl. (ELP) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your Austin, TX (AUS-Austin-Bergstrom Intl.) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines
Return price
£185
Distance
1859 km
Average flight time
1 hour 8 mins

Book with confidence

Compare flights from Austin to San Diego easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Austin to San Diego. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Diego Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Austin-Bergstrom Intl. to San Diego Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Austin-Bergstrom Intl. (AUS) to San Diego Intl. (SAN)

The easiest way to view the best deals on flights from Austin to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Austin-Bergstrom Intl. to San Diego Intl. start at just £185 and range up to £459.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Austin and San Diego
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Austin to San Diego flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Austin-Bergstrom Intl. to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Austin to San Diego easily and book with confidence

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*Available to Expedia members.