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Cheap flights from Austin to San Diego

AUS — SAN
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Austin to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 September 2025.

Popular in

March

Cheapest in

September

Average price

£161

Good one-way deal

£403 or less
Highest demand for flights based on searches. 10% potential increase in price (£17 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Austin Bergstrom to San Diego.
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Best time to book a flight from Austin to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Austin with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Austin to San Diego

How far ahead should I book a flight from Austin to San Diego?

Use this chart to determine the optimal time to book a return flight from Austin to San Diego. Price data was last updated on 29 August 2025.

Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Austin to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Austin to San Diego?

Currently, January is the cheapest month in which you can book a flight from Austin to San Diego (average of £585). Flying from Austin to San Diego in July is currently the most expensive (average of £920). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AUS to SAN?

Find hourly flight availability from Austin to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Austin to San Diego as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Austin to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Austin to San Diego flight route?

    Within the past month, 1 users have taken a look at flights from Austin Bergstrom to San Diego.

  • What are the most reliable airlines from Austin to San Diego?

    Consider SkyWest Airlines (77%), American Airlines (77%) or Alaska Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from Austin to San Diego.

  • Can I find deals for flights from Austin to San Diego that include hotel bookings?

    Yes. In addition to deals on Austin to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Austin to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to San Diego.

  • Can I find deals for business class flights from Austin to San Diego?

    Yes. Cheapflights offers flight deals from Austin to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to San Diego?

    Currently, January is the cheapest month in which you can book a flight from Austin to San Diego (average of £585). Flying from Austin to San Diego in July is currently the most expensive (average of £920). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
El Cajon

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How does Cheapflights help users find flights from Austin to San Diego?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Austin to San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Austin to San Diego?

Millions of users choose and trust Cheapflights to book the best flight deals from Austin to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Austin to San Diego with no change fees?

Certainly. Search results for flights to San Diego from Austin shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Austin to San Diego become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from Austin today and book when prices fit your budget.

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