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Cheap Flights from San Diego to Austin

Compare San Diego to Austin flight deals

Find the cheapest month or even day of the year to fly to Austin

Book the best Austin fare with no extra fees

Flight deals from San Diego to Austin

Looking for a cheap last-minute deal or the best return flight from San Diego to Austin? Find the lowest prices on one-way and return tickets right here.
Austin.R 1,012 per passenger.Departing Mon, 3 Nov.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Mon, 3 Nov, arriving in Austin-Bergstrom.Price includes taxes and charges.From R 1,012, select.
Austin.R 1,012 per passenger.Departing Mon, 26 Jan.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Mon, 26 Jan, arriving in Austin-Bergstrom.Price includes taxes and charges.From R 1,012, select.
Austin.R 1,012 per passenger.Departing Thu, 23 Oct.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Thu, 23 Oct, arriving in Austin-Bergstrom.Price includes taxes and charges.From R 1,012, select.
Austin.R 1,012 per passenger.Departing Mon, 15 Dec.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from San Diego International on Mon, 15 Dec, arriving in Austin-Bergstrom.Price includes taxes and charges.From R 1,012, select.
Austin.R 1,693 per passenger.Departing Mon, 9 Feb.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from San Diego International on Mon, 9 Feb, arriving in Austin-Bergstrom.Price includes taxes and charges.From R 1,693, select.
Austin.R 2,552 per passenger.Departing Fri, 8 May.One-way flight with United.Outbound indirect flight with United, departs from San Diego International on Fri, 8 May, arriving in Austin-Bergstrom.Price includes taxes and charges.From R 2,552, select.
Austin.R 3,081 per passenger.Departing Sat, 11 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Sat, 11 Apr, arriving in Austin-Bergstrom.Price includes taxes and charges.From R 3,081, select.
Austin.R 3,086 per passenger.Departing Fri, 31 Jul.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Fri, 31 Jul, arriving in Austin-Bergstrom.Price includes taxes and charges.From R 3,086, select.

Find the cheapest month to fly from San Diego to Austin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Austin flights are currently cheapest in October.
Oct
from R 1,012
Nov
from R 1,012
Dec
from R 1,012
Jan
from R 1,012
Feb
from R 1,693
Mar
Find prices
Apr
from R 3,081
May
from R 2,552
Jun
Find prices
Jul
from R 3,086
Aug
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Sep
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Direct flights from San Diego to Austin

Alternative San Diego to Austin routes

Looking for the cheapest, fastest or easiest route from San Diego to Austin? You could fly into the following airports instead.

San Diego to Austin: Flight information

The things to know before you go.
Cheapest flight foundR 1,012
Cheapest month to flyOctober
Average flight time2 hrs, 58 mins
Most popular airlineSouthwest Airlines
Average flights per week131

Finding cheap flights from San Diego to Austin: Frequently asked questions

There are 2 airports in Austin: Austin-Bergstrom and Killeen Gray AAF.
The best price we found for a return flight from San Diego to Austin is R 2,025. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 58 minutes is the average flight time from San Diego to Austin.
Southwest Airlines, SkyWest Airlines and Alaska Airlines fly direct from San Diego to Austin.
As of October 2025, there are 131 flights per week flying from San Diego to Austin.
The cheapest month to fly from San Diego to Austin is usually October.
If you're flying from San Diego, the cheapest airport near Austin is Austin-Bergstrom – which is 10.5 km away from the centre of Austin. We've found flights into this airport from R 2,025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Austin on Thursday, 23 October 2025.
Yes – the average flight time is 2 hours and 58 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Austin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Austin is around 40 days in advance, so don’t leave your flight to the last minute.
In October, the average temperature is usually around 21°C. August is typically the warmest month in Austin, when it usually averages around 36°C. You can expect the least rain in August. The coldest month is January, with temperatures averaging 3°C. The rainiest month is May.
The cheapest airline that flies to Austin is Frontier Airlines .

How to find cheap flights to Austin from San Diego

Looking for cheap tickets from San Diego to Austin? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from San Diego to Austin. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Austin from San Diego from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best San Diego-Austin ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Austin from San Diego.
  • Set up a Price Alert. You can easily track the fare of your cheap San Diego-Austin flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between San Diego and Austin? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from San Diego and Austin. We scour the internet for the best Business, Premium Economy and First Class flight fares to Austin, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for San Diego to Austin flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to Austin from San Diego with hotels and car hire

    Once you've secured your cheap flight ticket from San Diego to Austin, discover the best prices and exclusive rates for hotels in Austin or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Plan the rest of your trip from San Diego to Austin

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.