£94 Find Cheap Flights from San Diego to Austin – Compare and Save

Among airlines operating San Diego to Austin 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.

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

• Southwest
• Alaska Airlines

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

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 travellers should check the fare details before booking.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £161 return via Denver Intl (DEN), compared with £220 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £30–£75 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 Boeing 737-800 Passenger/BBJ2 (winglets) variants.

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

• Denver Intl (DEN) – 55% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) – 20% of one-stop connections
• Houston George Bush Intcntl (IAH) – 9% of one-stop connections
• Los Angeles (LAX) – 8% 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 25% on the San Diego to Austin route. Tuesday is the cheapest departure day at £200 return on average, while Sunday is the most expensive at £263, a difference of £64. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on San Diego to Austin flights, with 50% leaving in that window. Afternoon departures account for 25%, Evening flights for 25%, and Night flights for 0%.

Some of the most popular sights in Austin are Hilton Austin, Sixth Street, and Zilker Park. These are among the most viewed places in Austin on KAYAK.

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

• Earliest: departs at 06:15 and lands at 09:15
• Latest: departs at 20:55 and lands at 23:55.

The flight takes about 3h 00m.

Last-minute fares on this route (booked within 2 weeks of departure) run 58% above the route average of £216. Book 5 weeks before departure for the lowest fares.

A direct flight from San Diego to Austin takes 3h 00m, 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.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £162 to £1,115. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from San Diego to Austin are currently lower than usual. Average one-way flight prices are about £103, which is 31% below the typical average for this route.

Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time of 4h 54m, compared to 5h 20m via Dallas/Fort Worth (DFW) and 5h 39m via Houston George Bush Intcntl (IAH).

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

Austin Bergstrom Airport (AUS) hosts 5 major car hire companies, with daily rates starting from around £10 for economy cars. Top options include:
• Europcar
• Hertz
• Fox
• Easirent
• Thrifty

Return flights from San Diego to Austin range from £149 to £304, with an average of £216 over the past 12 months. Anything below £149 counts as a good deal.

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

• Alaska Airlines
• JetBlue

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