$59+ Cheap flights from Austin to Harlingen (AUS - HRL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — HRL
Oct 3 — Oct 101
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Harlingen with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Austin to Harlingen
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Best
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Cheapest flights from Austin to HarlingenExplore 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 September 3, 2026.
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 September 3, 2026.
This Southwest deal was found by Cheapflights users on 9/1. 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 9/289:10 am -
Nonstop1h 10m
Wed 9/306:35 am -
Nonstop1h 10m
Deal found 9/1![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 9/2. 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.
Fri 10/29:45 pm -
Nonstop1h 05m
Mon 10/56:20 am -
Nonstop1h 10m
Deal found 9/2![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 9/1. 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 10/38:45 am -
1 stop3h 15m
Mon 10/55:30 am -
2 stops6h 20m
Deal found 9/1![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/2. 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.
Fri 10/98:45 pm -
1 stop2h 55m
Sat 10/1012:40 pm -
1 stop2h 55m
Deal found 9/2![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 8/30. 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 10/147:50 pm -
Nonstop1h 10m
Wed 10/217:10 am -
Nonstop1h 10m
Deal found 8/30![Southwest logo]()
$169
This Southwest deal was found by Cheapflights users on 9/2. 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.
Fri 9/257:25 pm -
Nonstop1h 10m
Sun 9/276:50 am -
Nonstop1h 10m
Deal found 9/2![Southwest logo]()
$170
Best flights from Austin to HarlingenDiscover carefully curated flight deals from Austin to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
Discover carefully curated flight deals from Austin to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
This Southwest deal was found by Cheapflights users on 9/1. 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 9/283:00 pm -
Nonstop1h 05m
Wed 9/307:25 am -
1 stop4h 50m
Deal found 9/1![Southwest logo]()
$127
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:05 pm -
1 stop3h 43m
Sun 11/155:05 am -
1 stop3h 26m
Deal found 8/29![United Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 9/2. 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.
Fri 10/99:45 pm -
Nonstop1h 10m
Sat 10/104:15 pm -
Nonstop1h 10m
Deal found 9/2![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 8/30. 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.
Fri 9/253:00 pm -
Nonstop1h 05m
Wed 9/307:25 am -
2 stops5h 35m
Deal found 8/30![Southwest logo]()
$223
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:39 am -
1 stop6h 20m
Fri 9/185:05 am -
1 stop6h 01m
Deal found 8/29![United Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:44 pm -
1 stop4h 08m
Sun 9/205:05 am -
1 stop3h 32m
Deal found 8/31![United Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 8/29. 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.
Fri 11/138:50 pm -
1 stop2h 40m
Sun 11/151:00 pm -
2 stops6h 10m
Deal found 8/29![Southwest logo]()
$233
This Southwest deal was found by Cheapflights users on 8/29. 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 9/143:00 pm -
Nonstop1h 05m
Fri 9/184:40 pm -
1 stop5h 15m
Deal found 8/29![Southwest logo]()
$239
This Southwest deal was found by Cheapflights users on 8/30. 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.
Fri 9/117:10 pm -
1 stop3h 30m
Mon 10/511:55 am -
Nonstop1h 10m
Deal found 8/30![Southwest logo]()
$259
Last-minute flights from Austin to HarlingenDiscover last-minute flight deals from Austin to Harlingen. Data last updated September 3, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Harlingen. Data last updated September 3, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/1. 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 9/289:10 am -
Nonstop1h 10m
Wed 9/306:35 am -
Nonstop1h 10m
Deal found 9/1![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 9/3. 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.
Fri 10/29:45 pm -
Nonstop1h 05m
Mon 10/56:20 am -
Nonstop1h 10m
Deal found 9/3![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 9/1. 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 10/38:45 am -
1 stop3h 15m
Mon 10/55:30 am -
2 stops6h 20m
Deal found 9/1![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/3. 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 10/58:45 pm -
1 stop2h 55m
Thu 10/86:30 pm -
1 stop5h 05m
Deal found 9/3![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 9/2. 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.
Fri 10/98:45 pm -
1 stop2h 55m
Sat 10/1012:40 pm -
1 stop2h 55m
Deal found 9/2![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 8/30. 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 10/147:50 pm -
Nonstop1h 10m
Wed 10/217:10 am -
Nonstop1h 10m
Deal found 8/30![Southwest logo]()
$169
One-way flights from Austin to HarlingenSearch for one-way flight options from Austin to Harlingen. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
Search for one-way flight options from Austin to Harlingen. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
This Southwest deal was found by Cheapflights users on 9/1. 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 9/3010:25 am -
Nonstop1h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Southwest logo]()
$59
This Southwest deal was found by Cheapflights users on 9/3. 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.
Fri 10/24:45 pm -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest logo]()
$76
This Southwest deal was found by Cheapflights users on 8/30. 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 9/293:40 pm -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![Southwest logo]()
$85
This American Airlines deal was found by Cheapflights users on 8/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am -
1 stop3h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![American Airlines logo]()
$95
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:16 pm -
1 stop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$115
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:07 pm -
1 stop3h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$121
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:44 pm -
1 stop4h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![United Airlines logo]()
$125
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 September 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Southwest) |
One-way from | $59 (Southwest) |
Popular in | November |
Cheapest in | August |
Average price | $206 |
Good round-trip deal | $159 or less |
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 7,457,451 searches. Data last updated September 3, 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
Cheapest round-trip
AustinHarlingen
AUS Austin Bergstrom - HRL Harlingen Valley Intl
AUSHRL
Austin Bergstrom
Wed 9/30
10:25 am-3:50 pm
2 stops5h 25m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
AustinHarlingen
AUS Austin Bergstrom - HRL Harlingen Valley Intl
AUSHRL
Austin Bergstrom
Thu 10/15
5:45 am-12:15 pm
2 stops6h 30m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
AustinHarlingen
AUS Austin Bergstrom - HRL Harlingen Valley Intl
AUSHRL
Austin Bergstrom
Wed 10/7
6:00 am-12:25 pm
2 stops6h 25m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
Quickest round-trip
AustinHarlingen
AUS Austin Bergstrom - HRL Harlingen Valley Intl
AUSHRL
Austin Bergstrom
Fri 10/2
4:45 pm-5:50 pm
Nonstop1h 05m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$76
AustinHarlingen
AUS Austin Bergstrom - HRL Harlingen Valley Intl
AUSHRL
Austin Bergstrom
Fri 10/16
4:45 pm-5:50 pm
Nonstop1h 05m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$76
AustinHarlingen
AUS Austin Bergstrom - HRL Harlingen Valley Intl
AUSHRL
Austin Bergstrom
Fri 10/16
6:45 pm-9:52 pm
1 stop3h 07m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$86
AustinHarlingen
AUS Austin Bergstrom - HRL Harlingen Valley Intl
AUSHRL
Austin Bergstrom
Thu 10/29
5:40 pm-10:48 pm
1 stop5h 08m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
AustinHarlingen
AUS Austin Bergstrom - HRL Harlingen Valley Intl
AUSHRL
Austin Bergstrom
Mon 9/28
5:39 pm-9:52 pm
1 stop4h 13m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$121
AustinHarlingen
AUS Austin Bergstrom - HRL Harlingen Valley Intl
AUSHRL
Austin Bergstrom
Mon 9/28
3:00 pm-4:05 pm
Nonstop1h 05m
Harlingen Valley Intl
Wed 9/30
7:25 am-12:15 pm
1 stop4h 50m
$127
AustinHarlingen
AUS Austin Bergstrom - HRL Harlingen Valley Intl
AUSHRL
Austin Bergstrom
Mon 11/2
4:17 pm-7:47 pm
1 stop3h 30m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$130
Showing 1-10 of 20 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
AUS-HRL
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, August is the cheapest month in which you can book a flight from Austin to Harlingen (average of $196). 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 September 3, 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 50% 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 September 3, 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.
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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.
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Complete your trip
Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Harlingen
Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 3, 2026.
Austin and Harlingen flights
Browse other Austin and Harlingen flight options. Last updated on September 3, 2026.
Other flights from Austin
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on September 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$239 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$202 | Average$207 | FlexibilityNo cancel fee | On-time69% |