Cheap flight deals from Austin to San Diego

Non stop flight deals! Book direct flights from Austin to San Diego: One way flights from $61, round trip flights from $116. Cheapest next 3 months.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Austin to San Diego

The distance between Austin and San Diego is about 1,856.08 km. It takes around 3 hours 17 minutes on average to fly from Austin to San Diego. The most popular month to San Diego is March. The off-season for travel is April.

Cheapest one-way flight price $59
Cheapest return ticket price $116
Off-season for travel April
Peak season for travel March
Flight distance 1,856.08 km
Average flight time 3 hours 17 minutes

When is the cheapest time to fly from Austin to San Diego?

The cheapest time for Austin to San Diego flights: Aug 10 to Aug 17 — one way flight prices from $58.

Cheapest flights
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  • 6 13
  • 13 20
  • 20 27
  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31
  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Austin (AUS) to San Diego (SAN) the cheapest?

    Airlines adjust prices for flights from Austin to San Diego based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Austin (AUS) to San Diego (SAN) cost?

    According to Trip.com's data, the lowest price is around $307.
  • How long does it take to fly from Austin (AUS) to San Diego (SAN)?

    It takes about 3 hours 17 minutes to fly from Austin (AUS) to San Diego (SAN).
  • What are the most popular airlines that fly from Austin (AUS) to San Diego (SAN)?

    Airlines with flights from Austin (AUS) to San Diego (SAN): Southwest Airlines, American Airlines, Hawaiian Airlines, Alaska Airlines and Frontier Airlines.
  • How many airports are there in San Diego (SAN)?

How to find a cheap flight from Austin to San Diego

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Austin to San Diego. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Austin to San Diego ticket.
Tap "Date" on flight search bar to scan through the calender for Austin to San Diego airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Mon, Jul 14 at $61 for one-way flights.
2
Compare cheap Austin to San Diego flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Austin to San Diego. The cheapest airline operating is Frontier Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Austin to San Diego route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Austin to San Diego flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Austin to San Diego to get exclusive deals for you.