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Find low faresSouthwest® flights from Austin to Harlingen/South Padre Island from $49
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1 Passenger
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today
Low fares from Austin to Harlingen/South Padre Island
$
Austin (AUS)to
Harlingen/South Padre Island (HRL)
Depart: 04/15/2026
One-way
Basic
From
$49
Seen: 18 hrs ago
Austin (AUS)to
Harlingen/South Padre Island (HRL)
Depart: 03/11/2026
One-way
Basic
From
$49
Seen: 15 hrs ago
Austin (AUS)to
Harlingen/South Padre Island (HRL)
Depart: 05/05/2026
One-way
Basic
From
$49
Seen: 14 hrs ago
Austin (AUS)to
Harlingen/South Padre Island (HRL)
Depart: 03/04/2026
One-way
Basic
From
$49
Seen: 22 hrs ago
Austin (AUS)to
Harlingen/South Padre Island (HRL)
Depart: 04/07/2026
One-way
Basic
From
$49
Seen: 20 hrs ago
Austin (AUS)to
Harlingen/South Padre Island (HRL)
Depart: 03/10/2026
One-way
Basic
From
$49
Seen: 19 hrs ago
Explore flights from Austin to Harlingen/South Padre Island
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Flight Details
Departing from:
Austin-Bergstrom International Airport
Arriving at:
Valley International Airport
Average flight time:
1 hour 9 minutes
Distance:
273 miles
Route Information
87† 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 Austin to Harlingen/South Padre Island is 1 hour 9 minutes.
There are 87 weekly flights from Austin to Harlingen/South Padre Island on Southwest Airlines.
Yes, Southwest flies nonstop from Austin to Harlingen/South Padre Island 2 times per day from Monday through Friday.
Yes, Southwest flies nonstop from Austin to Harlingen/South Padre Island once per day on Saturdays and Sundays.
To find the lowest fares by day and time to fly Austin to Harlingen/South Padre Island with Southwest, check out our Low Fare Calendar.
You can rent a car at Valley International Airport book yours with your flight.
Yes! Flights from Austin to Harlingen/South Padre Island—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.