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

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Flights from Austin (AUS) to San Diego (SDM)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Brown Field Municipal
Distance
1149 mi

Austin to San Diego Flights

The cheapest times to fly from Austin to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Austin to San Diego are during the month of . You can find some of the cheapest flights from Austin to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Austin to San Diego

Sunday is one of the best days to book for cheap flights from Austin to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Austin to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Austin to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Austin to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Austin to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to San Diego, CA (SDM-Brown Field Municipal) cost?
Discover the latest flight deals from AUS to SDM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from AUS to SDM?
The cheapest flights from AUS to SDM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from AUS to SDM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from AUS to SDM. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to San Diego, CA (SDM-Brown Field Municipal)?
You’ll have to take a flight with a layover if you’re traveling from Austin-Bergstrom Intl. Airport (AUS) to San Diego, CA (SDM-Brown Field Municipal). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from AUS to SDM?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to San Diego, CA (SDM-Brown Field Municipal)?
To avoid possible delays on the Austin-Bergstrom Intl. Airport (AUS) to San Diego, CA (SDM-Brown Field Municipal) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for San Diego County from Austin-Bergstrom Intl. Airport (AUS)?
If you’re traveling on a direct flight from Austin-Bergstrom Intl. Airport (AUS) to San Diego County, San Diego Intl. Airport (SAN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to San Diego, CA (SDM-Brown Field Municipal) last-minute?
Holding off until just before your trip to book your flight from AUS to SDM generally means paying more. Although you may find some last-minute offers, they’re not always guaranteed. Keep your travel schedule open for the best chance of landing a bargain.
Is it cheaper to book an AUS to SDM flight and hotel package?
Compared with arranging flights and hotels separately, booking an AUS to SDM flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the stress out of planning your trip. Just secure your flights and select from our wide range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to San Diego, CA (SDM-Brown Field Municipal)?
Typically, it’s possible to reschedule or cancel your AUS to SDM flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.