Cheap flights from Austin, TX to San Diego, CA

Flights starting at $83. Choose between Linear Air, American Airlines, or United Airlines to find the best price.

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Cheapest one-way trip

$83

Cheapest nonstop round-trip

$95

Cheapest round-trip

$136

Average round-trip

$238

Nonstop flights in December

$95 – $635

Round trips

Austin AUSSan Diego SAN

Alaska Airlines

$136
Austin AUSSan Diego SAN

Multiple carriers

$172

Updated:

1163 miles
Distance
Duration
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Travelers usually depart from Austin–Bergstrom International, Austin, TX - Greyhound Station, Austin, TX Train Station, Austin-South Congress, or Austin Municipal Airport when they travel from Austin to San Diego. Book your trip to arrive at San Diego International, San Diego, CA Bus Station, San Diego, CA - Old Town, McClellan–Palomar, or San Diego, CA - La Jolla. The distance between Austin and San Diego is 1872 km. The most popular airlines for this route are Linear Air, American Airlines, United Airlines, Frontier Airlines, and Spirit Airlines. Austin and San Diego have 401 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights6662652
Fly direct with

American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, and Saturdays.

Alaska Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Allegiant Air on Saturdays.

Check-in for a flight from Austin to San Diego

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Linear Air O2YesNo
American AirlinesAALAAYesNo
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight

United States COVID-19 travel restrictions

Latest COVID-19 travel restrictions in United States – 12/2022
Your trip summary

Most travelers from Austin, AUS can enter San Diego, SAN.

Departure

Travel restrictions
  • Travel is allowed
  • Proof of a negative pre-departure COVID-19 test result is not required
  • Quarantine is not required

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

How long does it take to travel from Austin to San Diego?
A one-way nonstop (direct) flight between Austin and San Diego takes around 3.2 hours.
What is the flight distance between Austin and San Diego?
The flight distance between Austin and San Diego is 1872 km.
What airlines offer nonstop (direct) flights between Austin and San Diego?
Several carriers operate flights between Austin and San Diego. Airlines offering nonstop (direct) flights include Allegiant Air, Alaska Airlines, American Airlines.
What are the most popular routes to and from Austin?
Travelers frequently search for route combinations, such as Austin and Las Vegas, Denver, Orlando, Washington, D.C., San Francisco, Chicago, Philadelphia, Seattle, Salt Lake City, Los Angeles, Paris, London, Minneapolis, Atlanta, New Orleans, Cincinnati, New York, Detroit, Santa Ana, Indianapolis.
What are the most popular routes to and from San Diego?
Travelers frequently search for route combinations, such as San Diego and Denver, Las Vegas, Cincinnati, Philadelphia, New York, Phoenix, Charlotte, Washington, D.C., Atlanta, Raleigh, Chicago, Orlando, San Antonio, Detroit, Dallas, St. Louis, Cleveland, Salt Lake City, Minneapolis, London.
Which airports are there in Austin?
Austin is mainly served by Austin–Bergstrom International. But there are other airports nearby, including Austin Municipal Airport, Austin Airport.
What airports are near Austin?
The main airport in Austin is Austin–Bergstrom International. It is also served by George Bush Intercontinental, San Antonio International, William P. Hobby, Victoria Regional, Easterwood, Killeen–Fort Hood Regional, Waco Regional, David Wayne Hooks Memorial Airport.
What airports are near San Diego?
The main airport in San Diego is San Diego International. It is also served by Tijuana International, Ontario International, John Wayne, Hollywood Burbank, Mexicali International, Palm Springs International, Imperial County, Long Beach, Hawthorne Municipal, Yuma International.
What buses and trains depart from Austin?
A number of bus and train companies depart from Austin, including Amtrak train.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Austin and San Diego?
What is Virtual Interlining and how do I use it?
Which airlines fly between Austin and San Diego?
When's the best time to travel between Austin and San Diego?
What flights operate between Austin and San Diego?
How many airports are there near Austin?
How many airports are there near San Diego?
Is it possible to reach Austin by bus or train?
What time do nonstop (direct) flights between Austin and San Diego depart?
What time do nonstop (direct) flights between Austin and San Diego arrive?
What time do flights between Austin and San Diego depart?
What time do flights between Austin and San Diego arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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