There are most likely no direct flights on the Austin — San Diego route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Austin to San Diego. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Austin to San Diego, despite the fact that sometimes flights with transfers can cost significantly less.
•
•
•
•
•
•
Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
There are most likely no direct flights on the Austin — San Diego route
In different months, ticket prices from Austin to San Diego vary: minimum — $135 (November 2026), maximum — $150 (September 2026). Typically, the flight costs $142–$150.
Austin — San Diego
09/15/2026
Departure
Direct flight
AS3293
starting at $346
Austin — San Diego
09/17/2026
Departure
Direct flight
UA442
starting at $353
Austin — San Diego
09/19/2026
Departure
Direct flight
AS3464
starting at $277
Austin — San Diego
09/20/2026
Departure
Direct flight
AS3464
starting at $412
Austin — San Diego
11/06/2026
Departure
Direct flight
AS3489
starting at $301
The Austin — San Diego route is served by multiple airlines, including Alaska Airlines, United Airlines, and Frontier Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $125, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
The cheapest flight ticket from Austin to San Diego according to data for the last 48 hours costs $125
Often the best time to buy tickets from Austin to San Diego is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Austin to San Diego can be found flying in these months: November, September.
The fastest flights from Austin to San Diego start from 5 hours 27 minutes in the air.
The following airlines operate direct flights on the route Austin — San Diego: Alaska Airlines, United Airlines
The cheapest one-way flight from Austin to San Diego departs on 11/07/2026, is operated by Frontier Airlines and costs $125
There is no information about the cheapest roundtrip flight from Austin to San Diego
Fastest flight from Austin to San Diego takes 5h 27m
There are direct flights on this route 5 days a week: Su, Tu, Th, Fr, and Sa
The distance between Austin and San Diego is 1858km (1152 miles). There are 83 direct flights from Austin to San Diego. The time difference between Austin and San Diego is 2h. Flights from Austin begin at 6:00 AM. The latest flight from Austin departs at 9:35 PM
We couldn't find any special offers for flights from Austin to San Diego