Direct Non-Stop Flights from AUS to SAN: Your Guide to San Diego Sun
Cheapest flight found
$145
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the Jun 4, 2026 departure — the cheapest date we found.
Price Behavior: AUS → SAN
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$145
Highest Fare
$214
Median Fare
$209
Price Spread
$69
Prices fluctuate moderately — tracking can help you catch dips.
Cheapest month to fly: June 2026 (from $145)
Most expensive month: July 2026 (from $214)
Biggest price drop caught: $35 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Austin to San Diego range from $145 to $214, a $69 spread across the months we track. If your dates are flexible, June 2026 tends to have the lowest fares. Prices move enough that tracking can save you money — drops often last only a few hours before the algorithm adjusts back up. We have caught drops as large as $35 between hourly checks on this route.
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From
Austin (AUS)
To
San Diego (SAN)
Airport Information
Austin (AUS)
Austin-Bergstrom International Airport (AUS) serves as a primary gateway to Central Texas and is renowned for its live music stages situated right inside the terminal. Located just a few miles southeast of downtown, it offers a distinct local flavor with Austin-based food favorites like Peached Tortilla and Salt Lick BBQ. The airport has expanded rapidly to accommodate the city’s tech boom, providing modern amenities and efficient TSA checkpoints for thousands of daily passengers.
San Diego (SAN)
San Diego International Airport (SAN) is uniquely positioned right on the edge of San Diego Bay, offering passengers a dramatic and scenic landing experience very close to the city's skyscrapers. As the busiest single-runway commercial airport in the nation, it is incredibly efficient and provides easy access to downtown, which is just a ten-minute drive away. The airport features impressive art installations and a wide variety of local California-inspired dining options for arriving travelers.
Frequently Asked Questions
How long is the flight from AUS to SAN?
A non-stop flight typically takes about 3 hours and 15 minutes to 3 hours and 30 minutes, covering approximately 1,150 miles across the Southwest.
Which airlines fly direct from Austin to San Diego?
Major carriers offering consistent non-stop service include Southwest Airlines and Alaska Airlines, though other carriers like American and United offer one-stop connections through their respective hubs.
What is the best time to book a flight to San Diego?
It is generally recommended to book at least 3 to 6 weeks in advance to secure the most competitive rates for this specific route, especially if you are traveling on a weekend.
Is there a time difference between Austin and San Diego?
Yes, San Diego is in the Pacific Time Zone, which is two hours behind Austin's Central Time Zone. Remember to adjust your watches upon landing.
Are there budget-friendly transport options from SAN airport?
Yes, the San Diego Airport Flyer is a free electric shuttle that connects the terminals to the Old Town Transit Center, where you can access the city's trolley and bus network.
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Our Methodology
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