$36 Find Cheap Flights from Austin to San Diego

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Find cheap flights from Austin to San Diego starting at $36.

Book one-way or return flights from Austin to San Diego from as little as $36. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Austin to San Diego? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Austin to San Diego. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from Austin to San Diego

View airlines operating flights from Austin to San Diego. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Spirit Airlines

From $36

Frontier Airlines

From $38

Alaska Airlines

From $63

American Airlines

From $78

Delta Air Lines

From $92

United Airlines

From $135

Southwest Airlines

From $171

Sun Country Airlines

From $254

ANA airlines

Find more flights and airlines

Find cheap flights from Austin to San Diego by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Austin to San Diego.

Cheapest
AUS
16:49
9h 4m
1 transfer
SAN
23:53
Austin-Bergstrom International Airport - San Diego International Airport
Tue, May 14Spirit Airlines
$36
AUS
16:49
9h 4m
1 transfer
SAN
23:53
Austin-Bergstrom International Airport - San Diego International Airport
Tue, May 14Spirit Airlines
$36
Find More Flights

Frequently Asked Questions

When are flight tickets from Austin (AUS) to San Diego (SAN) the cheapest?
Airlines adjust prices for flights from Austin to San Diego based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Austin (AUS) to San Diego (SAN) cost?
According to Trip.com's data, the lowest price is around $303.
How long does it take to fly from Austin (AUS) to San Diego (SAN) and what is the distance?
It takes around 3 hours 24 minutes to fly from Austin (AUS) to San Diego (SAN).
What is the transportation method from the main airport to downtown in San Diego?
- The distance from San Diego International Airport to downtown is about 3km. It takes about 20 minutes by taxi.
What are the most popular airlines that fly from Austin (AUS) to San Diego (SAN)?
Airlines with flights from Austin (AUS) to San Diego (SAN): Southwest Airlines, Alaska Airlines and American Airlines.

How to find a cheap flight from Austin to San Diego

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Austin to San Diego. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Austin to San Diego Flight Information

Cheapest nonstop flight price	$35
Cheapest round-trip ticket price	$125
Off-season for travel	May
Peak season for travel	October
Flight distance	1,856.08km
Average flight time	3 hours 24 minutes
Popular airline	American Airlines