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Harlingen

$49+ Cheap flights from Austin to Harlingen (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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — HRL
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap 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 July 25, 2026.

This Southwest deal was found by Cheapflights users on 7/21. 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 8/139:10 am
AUS
-
HRL
Nonstop1h 10m
Southwest
Mon 8/176:20 am
HRL
-
AUS
Nonstop1h 10m
Southwest
Deal found 7/21$97
This Southwest deal was found by Cheapflights users on 7/25. 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 12/157:25 pm
AUS
-
HRL
Nonstop1h 10m
Southwest
Wed 12/167:20 am
HRL
-
AUS
Nonstop1h 10m
Southwest
Deal found 7/25$117
This Southwest deal was found by Cheapflights users on 7/23. 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 8/203:00 pm
AUS
-
HRL
Nonstop1h 05m
Southwest
Sun 8/236:50 am
HRL
-
AUS
Nonstop1h 10m
Southwest
Deal found 7/23$123
This Southwest deal was found by Cheapflights users on 7/23. 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 8/139:10 am
AUS
-
HRL
Nonstop1h 10m
Southwest
Sun 8/166:50 am
HRL
-
AUS
Nonstop1h 10m
Southwest
Deal found 7/23$133
This Southwest deal was found by Cheapflights users on 7/24. 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.
Sat 9/125:45 pm
AUS
-
HRL
Nonstop1h 10m
Southwest
Sun 9/136:50 am
HRL
-
AUS
Nonstop1h 10m
Southwest
Deal found 7/24$138

Find 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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$97
(Southwest)

One-way from

$49
(Southwest)

Popular in

November

Cheapest in

September

Average price

$248

Good round-trip deal

$324 or less
Provider with most accurate pricing for Austin Bergstrom-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Harlingen Valley Intl flights.
Search Deals
From Austin Bergstrom to Harlingen Valley Intl
Search Deals
One-way flight from Austin Bergstrom to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Austin Bergstrom to Harlingen Valley Intl.
Search Deals

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 July 25, 2026.
Use the filters below to find and compare flights from Austin to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Sat 8/15

9:40 am-10:50 am

Nonstop1h 10m

Harlingen Valley Intl

Tue 8/18

3:25 pm-7:15 pm

1 stop3h 50m

$107

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Thu 8/20

8:40 am-5:15 pm

2 stops8h 35m

Harlingen Valley Intl

Thu 8/27

5:55 pm-7:05 pm

Nonstop1h 10m

$112
Quickest round-trip

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Thu 8/20

3:00 pm-4:05 pm

Nonstop1h 05m

Harlingen Valley Intl

Sun 8/23

6:50 am-8:00 am

Nonstop1h 10m

$123

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Sat 9/12

5:45 pm-6:55 pm

Nonstop1h 10m

Harlingen Valley Intl

Sun 9/13

6:50 am-8:00 am

Nonstop1h 10m

$138

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Tue 12/15

7:25 pm-8:35 pm

Nonstop1h 10m

Harlingen Valley Intl

Sun 1/10

7:40 am-8:55 am

Nonstop1h 15m

$173

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Tue 11/17

7:25 pm-8:35 pm

Nonstop1h 10m

Harlingen Valley Intl

Sat 11/21

5:35 am-10:35 am

1 stop5h 00m

$192

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Thu 8/13

6:20 am-1:20 pm

2 stops7h 00m

Harlingen Valley Intl

Sun 8/16

6:00 am-2:55 pm

1 stop8h 55m

$193

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Fri 8/21

6:20 am-1:20 pm

2 stops7h 00m

Harlingen Valley Intl

Fri 8/28

1:55 pm-9:50 pm

2 stops7h 55m

$199
Cheapest one-way
Quickest one-way

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Thu 8/20

3:00 pm-4:05 pm

Nonstop1h 05m

$49

AustinHarlingen

AUS - HRL

AUSHRL

Austin Bergstrom

Mon 10/26

9:45 pm-10:50 pm

Nonstop1h 05m

$59

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Austin to Harlingen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Harlingen in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Harlingen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Harlingen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

Currently, September is the cheapest month in which you can book a flight from Austin to Harlingen (average of $206). Flying from Austin to Harlingen in November is currently the most expensive (average of $402). 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 July 25, 2026.

One of the essential ways to save on airfare from Austin to Harlingen is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 56% on airfare.

How much does it cost to fly round-trip from Austin to Harlingen?

Airfare is below average for this route at the moment.

Austin to Harlingen flights typically cost between $150 and $356 in August.
The cheapest round-trip price found within the last 5 days was $97 on Southwest (Aug 13-Aug 17).

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 July 25, 2026.
See what other customers who have flown with Southwest and United Airlines 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
4,231 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,231 reviews
Southwest
8.0
Very good
4,231 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
10,037 reviews
Southwest
8.0
Very good
4,231 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Austin to Harlingen?

    Departing from Austin to Harlingen will take you 1h 10m. The distance between Austin and Harlingen is about 274 mi. Generally, flights for this route are nonstop.

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

    Flying on Southwest is currently your cheapest option to Harlingen, with prices starting at $117. Another option worth looking into is United Airlines, starting at $157 round trip. Southwest is priced at 57% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Austin to Harlingen?

    On average you can expect to pay $348 for a flight from Austin to Harlingen. The cheapest flight overall is $117 while the most popular route, (Austin Bergstrom - Harlingen Valley Intl) is currently priced at $97.

  • 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?

    Currently, September is the cheapest month in which you can book a flight from Austin to Harlingen (average of $206). Flying from Austin to Harlingen in November is currently the most expensive (average of $402). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$117Average$239FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$157Average$206FlexibilityNo cancel feeOn-time69%

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