Cheap flights from South Padre Island, TX to Austin (AUS)
Find cheap flights from South Padre Island to Austin with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Insights
Everything you need to know about your flight from South Padre Island to Austin
What is the cheapest month to book a flight from South Padre Island to Austin?
Currently, January is the cheapest month in which you can book a flight from South Padre Island to Austin (average of $286). Flying from South Padre Island to Austin in March is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SO9 to AUS?
Find hourly flight availability from South Padre Island to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.
When flying from South Padre Island to Austin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
What is the cheapest day to fly from South Padre Island to Austin?
Use this chart to determine the cheapest time to fly round-trip from South Padre Island to Austin. Price data was last updated on October 13, 2024.
Travelers seeking maximum savings on their South Padre Island to Austin flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from South Padre Island to Austin
Explore weekly flight availability from South Padre Island to Austin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2025.
The most flights from SO9 to AUS are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
Related info for your journey
Find useful and relevant information for your journey from South Padre Island to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for South Padre Island to Austin
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from South Padre Island to Austin
Discover the top 4 airlines that operate flights from South Padre Island to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$179 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$99 | Average$152 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$238 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$181 | Average$218 | FlexibilityNo cancel fee | On-time69% |