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

Flights overview

Useful information for finding cheap flights from Austin to San Diego and booking your next trip

Cheapest round-trip flights	$180	Frontier 1 stop 25 hr Fri, May 8 — Sun, May 10	The cheapest round-trip flight from Austin to San Diego is currently $180
Cheapest one-way flight	$86	Frontier 1 stop 14 hr Wed, May 6	The cheapest one-way flight from Austin to San Diego is currently $86
Cheapest nonstop flights	$240	Southwest Nonstop 4 hr Sat, May 9 — Mon, May 11	The cheapest nonstop round-trip flight from Austin to San Diego is currently $240
Last-minute weekend getaway	$270	Frontier 1 stop 19 hr Fri, Apr 17 — Sun, Apr 19	The cheapest last-minute weekend getaway from Austin to San Diego is currently $270
Cheapest business class flights	$448	Frontier 1 stop 14 hr Sat, May 9 — Sun, May 10	The cheapest business class round-trip flight from Austin to San Diego is currently $448

Fastest flight	2 hr 50 min	The fastest nonstop flight from Austin to San Diego takes 2 hr 50 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Austin to San Diego is typically January. The most expensive month to fly is typically July.

January Cheapest	Typical prices: $105–275
July Most expensive	Typical prices: $180–280

Popular airlines from Austin to San Diego

Southwest

Nonstop

from $240

Typical price: $195–465

30 weekly nonstop flights

AUS - SAN Every day

939 weekly connecting flights

AUS - SAN Every day
Alaska

Nonstop

from $277

Typical price: $205–510

26 weekly nonstop flights

AUS - SAN Every day

29 weekly connecting flights

AUS - SAN Every day
American

from $217

Typical price: $215–485

427 weekly connecting flights

AUS - SAN Every day
United

from $212

Typical price: $215–500

293 weekly connecting flights

AUS - SAN Every day
Delta

from $225

Typical price: $235–710

90 weekly connecting flights

AUS - SAN Every day
Frontier

from $180

Typical price: $155–310

23 weekly connecting flights

AUS - SAN Every day

Popular airports near Austin

Austin-Bergstrom International Airport (AUS)

Austin United States 24 min 6 mi
Dallas Fort Worth International Airport (DFW)

Dallas United States 3 hr 16 min 186 mi
George Bush Intercontinental Airport (IAH)

Houston United States 2 hr 44 min 144 mi
San Antonio International Airport (SAT)

San Antonio United States 1 hr 16 min 66 mi

Popular airports near San Diego

San Diego International Airport (SAN)

San Diego United States 10 min 2 mi
Tijuana International Airport (TIJ)

Tijuana Mexico 37 min 16 mi
Los Angeles International Airport (LAX)

Los Angeles United States 2 hr 3 min 111 mi
John Wayne Airport (SNA)

Santa Ana United States 1 hr 21 min 78 mi

Frequently asked questions about flying from Austin to San Diego

The cheapest flights from Austin to San Diego are usually in January. Typical ticket prices in January range from $105 to $275.

The cheapest round-trip flight from Austin to San Diego recently found on Google Flights was with Frontier from $180. The cheapest one-way flight was with Frontier from $86.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Austin to San Diego is $240, flying from May 9 to May 11.
The cheapest Alaska flight from Austin to San Diego is $277, flying from May 9 to May 10.
The cheapest American flight from Austin to San Diego is $217, flying from May 7 to May 10.
The cheapest United flight from Austin to San Diego is $212, flying from May 9 to May 10.
The cheapest Delta flight from Austin to San Diego is $225, flying from May 7 to May 11.
The cheapest Frontier flight from Austin to San Diego is $180, flying from May 8 to May 10.

The cheapest round-trip flight from Austin to San Diego starts at $180 from Fri, May 8 to Sun, May 10. The cheapest one-way flight starts at $86 and departs on Wed, May 6.

2 hr 50 min is the shortest flight time from Austin to San Diego.

Jun–Aug is when most people visit San Diego, where the weather's temperate year-round. Beaches are less crowded Dec–Feb, which bring cooler temperatures but brighter sun. Whale-watching season is from mid-Dec–mid-Mar. Major annual events include Comic-Con International (Jul), a massive comic book convention with workshops and film screenings. Fleet Week (autumn) is a large military appreciation event featuring Navy ship tours, an air show and more.

It's easy to use Google Flights to find the cheapest days to fly from Austin to San Diego.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Austin to San Diego really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Austin to San Diego.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 30 nonstop flights and 939 connecting flights per week. Southwest flies from Austin-Bergstrom International Airport (AUS) to San Diego International Airport (SAN) .

Other popular airlines flying from Austin to San Diego are:

Alaska offers 26 nonstop flights and 29 connecting flights per week. Alaska flies from Austin-Bergstrom International Airport (AUS) to San Diego International Airport (SAN) .
American offers 427 connecting flights per week. American flies from Austin-Bergstrom International Airport (AUS) to San Diego International Airport (SAN) .
United offers 293 connecting flights per week. United flies from Austin-Bergstrom International Airport (AUS) to San Diego International Airport (SAN) .
Delta offers 90 connecting flights per week. Delta flies from Austin-Bergstrom International Airport (AUS) to San Diego International Airport (SAN) .
Frontier offers 23 connecting flights per week. Frontier flies from Austin-Bergstrom International Airport (AUS) to San Diego International Airport (SAN) .

The number of connecting flights refers to distinct flights with at least one stop between Austin and San Diego.

The cheapest round-trip flight from Austin to San Diego recently found on Google Flights was with Frontier from $180. The cheapest one-way flight was with Frontier from $86.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Austin to San Diego is $240, flying from May 9 to May 11.
The cheapest Alaska flight from Austin to San Diego is $277, flying from May 9 to May 10.
The cheapest American flight from Austin to San Diego is $217, flying from May 7 to May 10.
The cheapest United flight from Austin to San Diego is $212, flying from May 9 to May 10.
The cheapest Delta flight from Austin to San Diego is $225, flying from May 7 to May 11.
The cheapest Frontier flight from Austin to San Diego is $180, flying from May 8 to May 10.

Southwest and Alaska fly direct from Austin to San Diego.

There are 30 Southwest direct flights from Austin to San Diego per week. Flights are available every day.
There are 26 Alaska direct flights from Austin to San Diego per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Austin and San Diego at price $270 is offered by Frontier from Fri, Apr 17 to Sun, Apr 19.

Southwest and Alaska fly direct from Austin to San Diego.

There are 30 Southwest direct flights from Austin to San Diego per week. Flights are available every day.
There are 26 Alaska direct flights from Austin to San Diego per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Austin to San Diego on a daily basis.

The cheapest direct (nonstop) round-trip flights between Austin and San Diego start at $240 from Sat, May 9 to Mon, May 11 with Southwest.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Austin to San Diego, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Austin and San Diego start at $448 from Sat, May 9 to Sun, May 10 with Frontier.

The cheapest economy class round-trip flights between Austin and San Diego start at $180 from Fri, May 8 to Sun, May 10.

To book business class trips from Austin to San Diego, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Austin and San Diego starts at $270 from Fri, Apr 17 to Sun, Apr 19 with Frontier.

The cheapest last-minute deal between Austin and San Diego at price $270 is offered by Frontier from Fri, Apr 17 to Sun, Apr 19.

To find last-minute flight deals from Austin to San Diego, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.