$86 Find Cheap Flights from Austin to San Diego - Compare and Save

These are the earliest and latest flight times available from Austin to San Diego:

• Earliest: departs at 6:00 am and lands at 9:12 am
• Latest: departs at 10:25 pm and lands at 1:37 am.

The flight takes about 3h 12m.

Three cabin classes are available on flights from Austin to San Diego:

• Economy Class
• Business Class
• First Class

A nonstop flight from Austin to San Diego takes 3h 12m, covering 1,162 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Round-trip flights from Austin to San Diego range from $205 to $400, with an average of $300 over the past 12 months. Anything below $205 counts as a good deal.

Last-minute fares on this route - booked within 2 weeks of departure - run 45% above the route average of $300. Book 6 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $269 round-trip via Denver Intl (DEN), compared to $304 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Embraer 170 variants.

Morning is the busiest departure period on Austin to San Diego flights, with 38% of flights leaving in that window. Afternoon departures account for 37%, evening flights for 25%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $224 to $1,436. That means the highest observed fare was about 6x higher than the lowest one.

Two airlines offer in-flight Wi-Fi on Austin to San Diego flights:

• Alaska Airlines
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Austin to San Diego are currently lower than usual. Average one-way flight prices are about $110, which is 41% below the typical average for this route.

San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
• Dollar
• Payless
• Europcar
• Thrifty
• Fox

Flights from Austin to San Diego usually depart from Austin Bergstrom (AUS) and arrive at San Diego (SAN).

One-stop flights from Austin to San Diego most commonly connect through:

• Denver Intl (DEN) - 50% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 21% of one-stop connections
• Los Angeles (LAX) - 12% of one-stop connections
• Houston George Bush Intcntl (IAH) - 6% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 20% on the Austin to San Diego route. Thursday is the cheapest departure day at $279 round-trip on average, while Sunday is the most expensive at $347, a difference of $68. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Austin and San Diego. The airlines offering nonstop flights on this route include:

• Southwest
• Alaska Airlines

Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 4h 57m, compared with 5h 22m via Dallas/Fort Worth (DFW) and 5h 45m via Los Angeles (LAX).

San Diego is 2 hours behind Austin (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

Among airlines operating Austin to San Diego flights:

• Southwest: offers free seat selection
• Alaska Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Southwest: a cabin bag and a checked bag in Economy Class
• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Business Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Book your flight with United Airlines or Delta for those looking to relax at premium airline lounges. These are the only two airlines with lounges at SAN. Delta operates a members-only lounge in Terminal 2 next to Gate 37. You need to have Elite Status to access the lounge. United Airlines operates a pay-at-the-door lounge in Terminal 1 on the mezzanine level. Airspace Lounge in Terminal 2 is another option and isn’t affiliated with any airline.

The airport has provided elevators for step-free access to all areas. There are also volunteers at strategic locations to assist any special needs passengers. You’ll also get reserved parking spots at the airport and accessible restrooms in every terminal. Passengers in wheelchairs can also request wheelchair assistance from the airline or the airport. The airport also has tactile guide paths, braille signage, and works closely with Aira to help the visually impaired travel through SAN. Visual paging, TTY telephones, and closed captioning on announcements are also part of the accessible services offered at SAN for the hearing impaired.

The first option is the bus. The Metropolitan Transit System (MTS) links SAN to downtown San Diego, and buses stop at Terminals 1 and 2 every 15min. Taxis are also available 24h a day at the ground transportation area, and all are metered. You can also take the shared-ride shuttles, which offer door-to-door services from SAN, and reservations are highly recommended. Car rentals are the other option at SAN, and Avis, Budget, Dollar, National, Thrifty, and Enterprise offer their services from SAN. They are off-site, but they have shuttles leaving the terminals every 20min.

There are several nonstop flights offered from Austin to San Diego. On average, around 676 kg of carbon is emitted per passenger on flights from Austin to San Diego. However, you can reduce this figure and fly more sustainably with Southwest Airlines, American Airlines, and Spirit Airlines. These airlines emit 50%, 48%, and 45% less carbon per passenger, respectively, on flights from AUS to SAN.