
Book Cheap Frontier Airlines flight from Austin (AUS) to San Diego (SAN)
Find The Best Day to Book a Cheap Frontier Airlines Flights From Austin to San Diego
Frequently asked questions
Grab a great Frontier Airlines flight from AUS to SAN
To find a great deal on Frontier Airlines flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying Frontier Airlines Austin to San Diego gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with Frontier Airlines between Austin and San Diego
Frontier Airlines has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Austin to San Diego with Frontier Airlines are .
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your Frontier Airlines flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| DEN | USA | Denver Intl. | 13 |
| MCO | USA | Orlando Intl. | 7 |
| CUN | MEX | Cancun Intl. | 6 |
| GDL | MEX | Don Miguel Hidalgo y Costilla Intl. | 5 |
| PHL | USA | Philadelphia Intl. | 2 |
| ORD | USA | O'Hare Intl. | 2 |
| MIA | USA | Miami Intl. | 1 |
| MEX | MEX | Mexico City Intl. | 1 |
| LAS | USA | McCarran Intl. | 1 |
| LAX | USA | Los Angeles Intl. | 1 |
Travelers ❤️ these 🏨 after their flight to San Diego

Sheraton San Diego Resort
We enjoyed the pool and free airport shuttle. We had a very hard time with staff. Upon check in they asked if we wanted daily housekeeping. We said yes. Day two they arrived before we were out of bed. We asked to come back later. We left room for several hours and they didn’t come back. We let the ...
Reviewed on Mar 18, 2026

Wyndham San Diego Bayside
The hotel shuttle was convenient, the pool area was pleasant and the hotel itself was clean and well maintained.
Reviewed on Mar 18, 2026

The DEXTRO Little Italy, BW Premier Collection
Cleaning and front desk staff were so kind - excellent stay in an excellent location!
Reviewed on Mar 18, 2026
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