
Popular airlines from San Diego Intl. Airport (SAN) to Austin-Bergstrom Intl. Airport (AUS)
- Alaska Airlines
Alaska Airlines
- American Airlines
American Airlines
- United
United
- Delta
Delta
- Southwest Airlines
Southwest Airlines
- Frontier Airlines
Frontier Airlines
- Spirit Airlines
Spirit Airlines
- Plan, book, fly with confidence
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Cheap Flights from San Diego to Austin (SAN-AUS)
Prices were available within the past 7 days and start at $79 for one-way flights and $120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from San Diego (SAN) to Austin (AUS)
February is typically the cheapest month to fly
Graph displaying average flight prices per month
Alternative airports near Austin
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | San Diego Intl. |
Destination airport | Austin-Bergstrom Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United |
Roundtrip price | $120 |
Distance | 1162 mi |
Average flight time | 4 hours 57 mins |
San Diego to Austin Flights
The cheapest times to fly from San Diego to Austin
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Austin are during the month of October. You can find some of the cheapest flights from San Diego to Austin with Expedia's search tool and vast selection of airlines.
The best time to book a flight from San Diego to Austin
Sunday is one of the best days to book for cheap flights from San Diego to Austin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from San Diego to Austin
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Austin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Austin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
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Top Routes from San Diego
- San Diego to Chicago (SAN - ORD)
- San Diego to Newark Liberty Intl. Airport (SAN - EWR)
- San Diego to Phoenix (SAN - PHX)
- San Diego to Miami (SAN - MIA)
- San Diego to Portland (SAN - PDX)
- San Diego to Honolulu (SAN - HNL)
- San Diego to New York (SAN - LGA)
- San Diego to Boston (SAN - BOS)
- San Diego to Denver (SAN - DEN)
- San Diego to San José del Cabo (SAN - SJD)
- San Diego to New York (SAN - JFK)
- San Diego to Seattle (SAN - SEA)
Top Routes to Austin
- Chicago to Austin (ORD - AUS)
- Newark Liberty Intl. Airport to Austin (EWR - AUS)
- Phoenix to Austin (PHX - AUS)
- Los Angeles to Austin (LAX - AUS)
- Portland to Austin (PDX - AUS)
- Detroit to Austin (DTW - AUS)
- Boston to Austin (BOS - AUS)
- Fort Lauderdale to Austin (FLL - AUS)
- New York to Austin (LGA - AUS)
- Minneapolis to Austin (MSP - AUS)
- Denver to Austin (DEN - AUS)
- New York to Austin (JFK - AUS)
Top Routes from San Diego
- Alaska Airlines San Diego to Chicago
- Alaska Airlines San Diego to Newark Liberty Intl. Airport
- Alaska Airlines San Diego to Phoenix
- Alaska Airlines San Diego to Miami
- Alaska Airlines San Diego to Portland
- Alaska Airlines San Diego to Honolulu
- Spirit Airlines San Diego to New York
- Alaska Airlines San Diego to Boston
- Alaska Airlines San Diego to San José del Cabo
- Alaska Airlines San Diego to New York
Top Routes to Austin
- American Airlines Chicago to Austin
- Spirit Airlines Newark Liberty Intl. Airport to Austin
- Alaska Airlines Los Angeles to Austin
- Alaska Airlines Portland to Austin
- Delta Detroit to Austin
- JetBlue Airways Boston to Austin
- Spirit Airlines Fort Lauderdale to Austin
- Spirit Airlines New York to Austin
- American Airlines Minneapolis to Austin
- Frontier Airlines Denver to Austin
Top Flight Destinations
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Nearby Airports
- Montgomery Field Airport (MYF)
- Gillespie Field Airport (SEE)
- McClellan-Palomar Airport (CLD)
- French Valley Airport (RBK)
- John Wayne Airport (SNA)
- Catalina Airport (AVX)
- Palm Springs Intl. Airport (PSP)
- Jacqueline Cochran Regional Airport (TRM)
- Bermuda Dunes Airport (UDD)
- Fullerton Municipal Airport (FUL)
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