Looking for more low-fare flights?
Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.
Find low faresSouthwest® flights from Harlingen/South Padre Island to Austin from $70
expand_more
1 Passenger
expand_morePromo Code
expand_moretoday
today
Low fares from Harlingen/South Padre Island to Austin
$
Harlingen/South Padre Island (HRL)to
Austin (AUS)
Depart: 04/01/2026
One-way
Basic
From
$70
Seen: 14 hrs ago
Harlingen/South Padre Island (HRL)to
Austin (AUS)
Depart: 04/15/2026
One-way
Basic
From
$70
Seen: 4 hrs ago
Harlingen/South Padre Island (HRL)to
Austin (AUS)
Depart: 03/03/2026
One-way
Basic
From
$70
Seen: 11 hrs ago
Harlingen/South Padre Island (HRL)to
Austin (AUS)
Depart: 03/02/2026
One-way
Basic
From
$70
Seen: 11 hrs ago
Harlingen/South Padre Island (HRL)to
Austin (AUS)
Depart: 04/22/2026
One-way
Basic
From
$70
Seen: 10 hrs ago
Harlingen/South Padre Island (HRL)to
Austin (AUS)
Depart: 03/04/2026
One-way
Basic
From
$70
Seen: 17 hrs ago
Explore flights from Harlingen/South Padre Island to Austin
location_on
location_on
Flight Details
Departing from:
Valley International Airport
Arriving at:
Austin-Bergstrom International Airport
Average flight time:
1 hour 13 minutes
Distance:
273 miles
Route Information
90† Weekly flights
- 2‡ Nonstop flights per day Monday through Friday
- 1‡ Nonstop flight on Saturday
- 1‡ Nonstop flight on Sunday
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
The average flight time from Harlingen/South Padre Island to Austin is 1 hour 13 minutes.
There are 90 weekly flights from Harlingen/South Padre Island to Austin on Southwest Airlines.
Yes, Southwest flies nonstop from Harlingen/South Padre Island to Austin 2 times per day from Monday through Friday.
Yes, Southwest flies nonstop from Harlingen/South Padre Island to Austin once per day on Saturdays and Sundays.
To find the lowest fares by day and time to fly Harlingen/South Padre Island to Austin with Southwest, check out our Low Fare Calendar.
You can rent a car at Austin-Bergstrom International Airport book yours with your flight.
Yes! Flights from Harlingen/South Padre Island to Austin—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.