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Flights to San Diego from Austin

Cheap flights from Austin to San Diego from £319. Austin (United States) - San Diego (United States) return flights from £293. From 09/10/2026 (Friday) - 13/10/2026 (Tuesday). Check for the dates with the lowest prices and find the cheapest rates.

Round-trip flights from Austin to San Diego

Cheapest round-trip flights from Austin to San Diego

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Direct flights from Austin to San Diego

Book direct flights from Austin to San Diego for a smooth journey.

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Southwest Airlines flights from Austin to San Diego

Fly with Southwest Airlines from Austin to San Diego for less.

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Flights to San Diego with top airlines

Austin to San Diego flight information

DEPARTING FROM:
Austin-Bergstrom International Airport
ARRIVING IN:
San Diego International Airport
AIRLINES:
Alaska Airlines, Delta Air Lines, Southwest Airlines, more
AVG FLIGHT TIME:
4h 26m

More information about flights to San Diego from Austin

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FAQs Austin to San Diego flights

FAQs

  • Can I combine different airlines on the same trip?

    Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.

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    In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.

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  • How long does a flight take between Austin and San Diego?

    The flight from Austin to San Diego has a duration of 4h 26m.

  • What are the cheapest flights from Austin to San Diego?

    The cheapest one-way flight costs £319 flying with JetBlue Airways and the cheapest return flight costs £293 with Southwest Airlines.

  • How many airports are there in the city of Austin?

    Austin has 1 airport: Austin-Bergstrom International Airport.

  • How many airports does San Diego have?

    There are 1 airports in San Diego: San Diego International Airport

  • Which San Diego airport is the most central?

    The most central airport is San Diego International Airport, 3.9km.