Cheap flights from Austin to San Diego
Fares from $135 in November 2026. Compare every month below, then book with the site you like.
Search Austin → San Diego flightsCheapest Austin to San Diego fares by month
Lowest price per person found in recent searches. Prices change often and are checked when you book.
- November 2026Nov 4 · one way · Frontier · 1 stop$135See deal
- December 2026Dec 27 · one way · Alaska Airlines · Direct$246See deal
Austin to San Diego at a glance
- Distance1,162 miles
- Nonstop flight timeabout 3h
- Cheapest monthNovember 2026
- Airport codesAUS → SAN
Plan your San Diego trip
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Frequently asked questions
- How much is a flight from Austin to San Diego?
- The cheapest fare we found recently is $135 per person, departing Nov 4 on Frontier. Prices change daily, so search your dates to see today's fares.
- What is the cheapest month to fly from Austin to San Diego?
- November 2026 is currently the cheapest month, from $135. December 2026 is the most expensive, from $246.
- Are there direct flights from Austin to San Diego?
- Yes. Recent searches found nonstop fares from $246.
- Which airlines fly from Austin to San Diego?
- The cheapest recent fares on this route were on Frontier, Alaska Airlines.
- How long is the flight from Austin to San Diego?
- Austin and San Diego are about 1,162 miles apart, so a nonstop flight takes roughly 3h. Flights with a stop take longer, depending on the connection.
- How do I find the cheapest flight from Austin to San Diego?
- Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.
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