£120 Cheap United flights from Austin to San Diego (AUS→SAN)

View £120 flight on Tue, 18 Aug 2026Opens in a new window

United flights from Austin to San Diego (AUS→SAN)

Prices were available within the past 7 days and start at £120 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Austin (AUS) to San Diego (SAN)

April is typically the cheapest month to fly

From £116 - £165 per traveller.

Frequently asked questions

How much is a United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to San Diego Intl. Airport (SAN)?
Finding cheap one-way United Airlines flights from AUS to SAN from £120 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from AUS to SAN with United Airlines?
Browse for return or one-way flights to San Diego in January or November. You could find lower fares with United Airlines during these off-peak times.
Does United Airlines fly nonstop from Austin-Bergstrom Intl. Airport (AUS) to San Diego Intl. Airport (SAN)?
To find out if there's a direct journey from AUS to SAN with United Airlines or any other carriers, check the "Nonstop" filter when looking for tickets.
What airports does United Airlines fly into in San Diego?
Get on a United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to San Diego, and you're most likely to touch down at San Diego Intl. Airport (SAN). This is the airline's primary hub in this city.
Can I change or cancel my United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to San Diego Intl. Airport (SAN)?
Changes are often free within 24 hours of making a booking, but your airline may charge you after that. For more information about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your plans without additional charges, check the "Changes included" or "No cancel fee" filter when planning your trip.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines
Popular airline
Alaska Airlines
Distance
1859 km
Average flight time
1 hour 9 mins

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