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Harlingen

$39+ Cheap flights from Austin to Harlingen, TX (AUS - HRL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — HRL
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Austin to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$77
(Southwest)

One-way from

$39
(Southwest)

Popular in

August

Cheapest in

May

Average price

$347

Good round-trip deal

$134 or less

Good one-way deal

$48 or less
From Austin Bergstrom to Harlingen Valley Intl
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One-way flight from Austin Bergstrom to Harlingen Valley Intl
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Highest demand for flights based on searches. 23% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Austin Bergstrom to Harlingen Valley Intl.
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Price to beat on a one-way flight from Austin Bergstrom to Harlingen Valley Intl.
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Find flight deals from Austin to Harlingen

Cheapest flights from Austin to Harlingen
Explore the most affordable flight options available from Austin to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:15 amAUS - HRL
Nonstop1h 05mSouthwest
Sat 9/67:25 amHRL - AUS
Nonstop1h 20mSouthwest
Deal found 8/13$77
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:05 pmAUS - HRL
1 stop3h 10mSouthwest
Thu 9/186:50 pmHRL - AUS
1 stop3h 00mSouthwest
Deal found 8/12$97
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:30 amAUS - HRL
Nonstop1h 10mSouthwest
Fri 9/195:45 pmHRL - AUS
Nonstop1h 15mSouthwest
Deal found 8/11$114
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:20 pmAUS - HRL
Nonstop1h 05mSouthwest
Thu 9/116:40 amHRL - AUS
Nonstop1h 10mSouthwest
Deal found 8/13$127

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Harlingen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Austin to Harlingen that are best for you.

Fly from

Austin

Fly to

Harlingen

Route

Depart

Return

Price

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Thu 9/4

10:15 am-11:20 am

Nonstop1h 05m

Harlingen Valley Intl

Sat 9/6

7:25 am-8:45 am

Nonstop1h 20m

$77

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Sat 9/20

7:30 pm-8:35 pm

Nonstop1h 05m

Harlingen Valley Intl

Wed 9/24

5:45 pm-7:00 pm

Nonstop1h 15m

$77

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Tue 9/16

9:30 am-10:40 am

Nonstop1h 10m

Harlingen Valley Intl

Tue 9/16

5:45 pm-7:00 pm

Nonstop1h 15m

$77

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Mon 9/22

6:00 am-8:55 am

1 stop2h 55m

Harlingen Valley Intl

Thu 9/25

5:45 pm-7:00 pm

Nonstop1h 15m

$87

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Tue 9/9

9:30 am-10:40 am

Nonstop1h 10m

$39

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Wed 1/7

7:40 pm-8:50 pm

Nonstop1h 10m

$39

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Tue 10/21

8:30 pm-9:40 pm

Nonstop1h 10m

$39

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Sat 11/15

5:50 pm-7:00 pm

Nonstop1h 10m

$39

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Thu 10/23

9:25 pm-10:35 pm

Nonstop1h 10m

$39

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Wed 11/19

7:55 pm-9:05 pm

Nonstop1h 10m

$39

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 11 results
1
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Best time to book a flight from Austin to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Austin with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Austin to Harlingen

What is the cheapest month to book a flight from Austin to Harlingen, Texas?

Currently, April is the cheapest month in which you can book a flight from Austin to Harlingen, Texas (average of $267). Flying from Austin to Harlingen, Texas in June is currently the most expensive (average of $381). 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 AUS to HRL?

Find hourly flight availability from Austin to Harlingen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

One of the essential ways to save on airfare from Austin to Harlingen, Texas is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 47% on airfare.

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated August 14, 2025.
See what other customers who have flown with Southwest and Delta from Austin to Harlingen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,244 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,980 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Austin to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Austin to Harlingen?

    If you book a flight from Austin to Harlingen, you will be flying from Austin Bergstrom to Valley Intl. Flights to Harlingen Valley Intl (HRL) from Austin Bergstrom (AUS) take 1h 05m for a nonstop flight. There is 1 flight from Austin Bergstrom to Harlingen per day from 2 airlines.

  • What are the cheapest airlines flying from Austin to Harlingen, Texas round-trip?

    Cheapflights users have booked flights from Austin to Harlingen, Texas round-trip from $88. Another airline that can offer you cheap pricing is Southwest. Delta is 49% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Austin to Harlingen, Texas?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Austin to Harlingen, Texas on time: SkyWest Airlines (100%), Delta (100%), Southwest (80%).

  • What are the cheapest flights from Austin to Harlingen, Texas?

    On average you can expect to pay $98 for a flight from Austin to Harlingen, Texas. The cheapest flight overall is $48 while the most popular route, (Austin Bergstrom - Harlingen Valley Intl) is currently priced at $77.

  • Can I find deals for flights from Austin to Harlingen that include hotel bookings?

    Yes. In addition to deals on Austin to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Harlingen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Harlingen.

  • Can I find deals for business class flights from Austin to Harlingen?

    Yes. Cheapflights offers flight deals from Austin to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to Harlingen, Texas?

    Currently, April is the cheapest month in which you can book a flight from Austin to Harlingen, Texas (average of $267). Flying from Austin to Harlingen, Texas in June is currently the most expensive (average of $381). 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.

See more FAQs

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Alternative routes for Austin to Harlingen

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Top 2 airlines flying from Austin to Harlingen

Discover the top 2 airlines that operate flights from Austin to Harlingen. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$88Average$137FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$99Average$197FlexibilityNo cancel feeOn-time63%

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