$39 Cheap Flights from Harlingen (HRL) to Austin (AUS)

View $39 flight on Mon, May 26, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Harlingen to Austin (HRL-AUS)

Prices were available within the past 7 days and start at $39 for one-way flights and $77 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, May 27 - Wed, May 28
HRL
Harlingen
AUS
Austin
$77 Roundtrip, found 1 hour ago
$77
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, May 27 from Harlingen to Austin, returning Wed, May 28, priced at $77 found 1 hour ago
Delta
Mon, May 19 - Mon, May 26
HRL
Harlingen
AUS
Austin
$77 Roundtrip, found 1 hour ago
$77
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, May 19 from Harlingen to Austin, returning Mon, May 26, priced at $77 found 1 hour ago
Southwest Airlines
Tue, May 27 - Wed, May 28
HRL
Harlingen
AUS
Austin
$87 Roundtrip, found 1 hour ago
$87
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, May 27 from Harlingen to Austin, returning Wed, May 28, priced at $87 found 1 hour ago
Southwest Airlines
Fri, May 23 - Mon, May 26
HRL
Harlingen
AUS
Austin
$88 Roundtrip, found 4 hours ago
$88
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Fri, May 23 from Harlingen to Austin, returning Mon, May 26, priced at $88 found 4 hours ago
Southwest Airlines
Tue, May 27 - Wed, May 28
HRL
Harlingen
AUS
Austin
$92 Roundtrip, found 1 hour ago
$92
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, May 27 from Harlingen to Austin, returning Wed, May 28, priced at $92 found 1 hour ago
Southwest Airlines
Tue, May 27 - Wed, May 28
HRL
Harlingen
AUS
Austin
$97 Roundtrip, found 1 hour ago
$97
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, May 27 from Harlingen to Austin, returning Wed, May 28, priced at $97 found 1 hour ago
Southwest Airlines
Fri, Jun 13 - Mon, Jun 16
HRL
Harlingen
AUS
Austin
$98 Roundtrip, found 1 hour ago
$98
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Fri, Jun 13 from Harlingen to Austin, returning Mon, Jun 16, priced at $98 found 1 hour ago
Delta
Fri, May 23 - Fri, May 30
HRL
Harlingen
AUS
Austin
$99 Roundtrip, found 1 hour ago
$99
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, May 23 from Harlingen to Austin, returning Fri, May 30, priced at $99 found 1 hour ago
United
Mon, Jun 30 - Thu, Jul 3
HRL
Harlingen
AUS
Austin
$117 Roundtrip, found 11 hours ago
$117
Roundtrip
found 11 hours ago
Select United flight, departing Mon, Jun 30 from Harlingen to Austin, returning Thu, Jul 3, priced at $117 found 11 hours ago
American Airlines
Tue, May 20 - Wed, May 21
HRL
Harlingen
AUS
Austin
$120 Roundtrip, found 1 day ago
$120
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 20 from Harlingen to Austin, returning Wed, May 21, priced at $120 found 1 day ago
Flights from Harlingen (HRL) to Austin (AUS)
Origin airport
Valley Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$77
Distance
274 mi

Harlingen to Austin Flights

The cheapest times to fly from Harlingen 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 Harlingen to Austin are during the month of May. You can find some of the cheapest flights from Harlingen to Austin with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Harlingen to Austin

Sunday is one of the best days to book for cheap flights from Harlingen 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 Harlingen 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 Harlingen to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $39 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 Harlingen 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 Harlingen 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.

Frequently asked questions

How much does a flight from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS) cost?
Cheap round-trip fares from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS) start at $94. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving HRL on May 9 2025 and touching down at AUS. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from HRL to AUS?
The cheapest flights from HRL to AUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS)?
When heading out of Valley Intl. Airport (HRL), you can catch a nonstop flight to Austin-Bergstrom Intl. Airport (AUS) with Southwest Airlines.
What is the cheapest airline that flies from HRL to AUS?
Take off from HRL to AUS with Southwest Airlines. This airline currently has the lowest one-way fare on this route, starting from $50. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HRL on July 16 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS)?
When flying out of Valley Intl. Airport (HRL), you’ll have a choice from an average of 2 daily nonstop flights to Austin-Bergstrom Intl. Airport (AUS).
What are the most popular departure times for flights from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS)?
Flights between HRL and AUS are busiest at 1 PM. If you’d like a more relaxed atmosphere and potentially cheaper prices, choose a departure that’s outside typical rush times.
What day of the week has the most flights from HRL to AUS?
If you fly on a Friday, you’ll get the largest range of options for flights from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS).
What is the earliest flight from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS)?
Valley Intl. Airport (HRL)’s earliest flight to Austin-Bergstrom Intl. Airport (AUS) leaves at approximately 8:00AM UTC-6. With a total journey time of 1h 10m, you’ll touch down at around 9:10AM UTC-6.
How long does it take to fly from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS)?
The average flight duration from HRL to AUS is 1 hour and 16 minutes, covering a distance of 280 mi.
What airline has the least delays from HRL to AUS?
Consider booking with Delta Air Lines if you’d like to fly straight from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS) without any interruptions. This airline has the strongest track record for punctuality, with an on-time score of 80%. Want to be notified if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS)?
To touch down at Austin-Bergstrom Intl. Airport (AUS) on schedule, pick a flight that takes off from Valley Intl. Airport (HRL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Austin from Valley Intl. Airport (HRL)?
Austin-Bergstrom Intl. Airport (AUS) is the only airport in Austin with direct flights from Valley Intl. Airport (HRL). Consider the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Booking your flight from HRL to AUS right before your getaway is usually more expensive. However, if there’s some wiggle room with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a HRL to AUS flight and hotel package?
You’ll generally save money by securing a HRL to AUS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one place. Once you’ve selected your preferred accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Valley Intl. Airport (HRL) to Austin-Bergstrom Intl. Airport (AUS)?
If you booked your HRL to AUS flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you’d like more information.

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*Available to One Key members.