$85+ Cheap flights from Harlingen to Austin (HRL - AUS)
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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — AUS
Nov 24 — Dec 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Harlingen to Austin 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 Harlingen to Austin
Cheapest
Best
Last-minute
One-way
Cheapest flights from Harlingen to AustinExplore the most affordable flight options available from Harlingen to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Harlingen to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/24. 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.
Thu 12/36:05 pm -
Nonstop1h 15m
Mon 12/77:30 pm -
Nonstop1h 15m
Deal found 10/24![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 10/21. 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 12/106:05 pm -
Nonstop1h 15m
Sun 12/139:00 am -
Nonstop1h 10m
Deal found 10/21![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 10/20. 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 12/122:55 pm -
2 stops5h 55m
Sun 12/136:30 pm -
2 stops5h 05m
Deal found 10/20![Southwest logo]()
$162
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:10 am -
1 stop4h 03m
Fri 11/277:07 pm -
1 stop3h 41m
Deal found 10/23![United Airlines logo]()
$169
This Southwest deal was found by Cheapflights users on 10/23. 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.
Wed 11/255:45 pm -
Nonstop1h 10m
Fri 11/278:20 pm -
Nonstop1h 10m
Deal found 10/23![Southwest logo]()
$179
This Southwest deal was found by Cheapflights users on 10/23. 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 11/261:25 pm -
1 stop2h 50m
Fri 11/279:00 am -
Nonstop1h 10m
Deal found 10/23![Southwest logo]()
$183
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:00 pm -
1 stop6h 00m
Mon 12/75:15 am -
1 stop5h 59m
Deal found 10/24![United Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 10/23. 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.
Sun 11/85:50 pm -
Nonstop1h 10m
Thu 11/124:05 pm -
Nonstop1h 10m
Deal found 10/23![Southwest logo]()
$201
Best flights from Harlingen to AustinDiscover carefully curated flight deals from Harlingen to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Harlingen to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/21. 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 12/106:05 pm -
Nonstop1h 15m
Sun 12/139:00 am -
Nonstop1h 10m
Deal found 10/21![Southwest logo]()
$132
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:05 am -
1 stop6h 08m
Mon 11/167:07 pm -
1 stop3h 41m
Deal found 10/23![United Airlines logo]()
$248
This Southwest deal was found by Cheapflights users on 10/23. 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 11/267:10 am -
Nonstop1h 10m
Thu 11/261:20 pm -
1 stop3h 00m
Deal found 10/23![Southwest logo]()
$228
This Southwest deal was found by Cheapflights users on 10/20. 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 11/177:25 am -
Nonstop1h 10m
Tue 11/248:55 pm -
1 stop3h 15m
Deal found 10/20![Southwest logo]()
$230
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:05 am -
1 stop6h 08m
Wed 11/117:07 pm -
1 stop3h 41m
Deal found 10/21![United Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 10/23. 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.
Wed 11/255:45 pm -
Nonstop1h 10m
Fri 11/275:40 am -
2 stops5h 25m
Deal found 10/23![Southwest logo]()
$233
This Southwest deal was found by Cheapflights users on 10/23. 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.
Sat 11/147:45 am -
Nonstop1h 10m
Mon 11/167:00 am -
1 stop5h 10m
Deal found 10/23![Southwest logo]()
$248
This Southwest deal was found by Cheapflights users on 10/22. 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 11/65:50 am -
1 stop4h 50m
Sun 11/89:00 am -
Nonstop1h 10m
Deal found 10/22![Southwest logo]()
$269
Last-minute flights from Harlingen to AustinDiscover last-minute flight deals from Harlingen to Austin. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to Austin. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:10 am -
1 stop4h 03m
Mon 11/97:07 pm -
1 stop3h 41m
Deal found 10/21![United Airlines logo]()
$224
This Southwest deal was found by Cheapflights users on 10/22. 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 11/65:50 am -
1 stop4h 50m
Tue 11/109:50 am -
Nonstop1h 05m
Deal found 10/22![Southwest logo]()
$211
This Southwest deal was found by Cheapflights users on 10/23. 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.
Sun 11/85:50 pm -
Nonstop1h 10m
Thu 11/124:05 pm -
Nonstop1h 10m
Deal found 10/23![Southwest logo]()
$201
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:05 am -
1 stop6h 08m
Sun 11/227:07 pm -
1 stop3h 41m
Deal found 10/21![United Airlines logo]()
$220
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:10 am -
1 stop6h 07m
Sat 11/287:12 pm -
1 stop3h 36m
Deal found 10/24![United Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 10/23. 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.
Wed 11/255:45 pm -
Nonstop1h 10m
Fri 11/278:20 pm -
Nonstop1h 10m
Deal found 10/23![Southwest logo]()
$179
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:10 am -
1 stop4h 03m
Fri 11/277:07 pm -
1 stop3h 41m
Deal found 10/23![United Airlines logo]()
$169
This Southwest deal was found by Cheapflights users on 10/23. 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 11/261:25 pm -
1 stop2h 50m
Fri 11/279:00 am -
Nonstop1h 10m
Deal found 10/23![Southwest logo]()
$183
One-way flights from Harlingen to AustinSearch for one-way flight options from Harlingen to Austin. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Harlingen to Austin. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:00 pm -
1 stop3h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$85
This Southwest deal was found by Cheapflights users on 10/23. 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.
Wed 11/255:45 pm -
Nonstop1h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Southwest logo]()
$90
This Southwest deal was found by Cheapflights users on 10/21. 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.
Fri 12/115:50 pm -
Nonstop1h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$109
This Southwest deal was found by Cheapflights users on 10/23. 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.
Sat 11/147:45 am -
Nonstop1h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Southwest logo]()
$110
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:05 am -
1 stop3h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$114
This Southwest deal was found by Cheapflights users on 10/23. 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.
Fri 12/183:40 pm -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Southwest logo]()
$144
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:25 pm -
1 stop4h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$145
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:59 pm -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$154
This Southwest deal was found by Cheapflights users on 10/21. 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.
Wed 10/286:10 pm -
Nonstop1h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$170
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:25 pm -
1 stop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$180
Find flight deals from Harlingen to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Austin (AUS). 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Southwest) |
One-way from | $85 (United Airlines) |
Popular in | November |
Cheapest in | August |
Average price | $319 |
Good round-trip deal | $385 or less |
Good one-way deal | $199 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Harlingen to Austin 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 October 25, 2026.
Use the filters below to find and compare flights from Harlingen to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HarlingenAustin
HRL Harlingen Valley Intl - AUS Austin Bergstrom
HRLAUS
Harlingen Valley Intl
Fri 12/11
12:00 pm-3:23 pm
1 stop3h 23m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$85
Quickest round-trip
HarlingenAustin
HRL Harlingen Valley Intl - AUS Austin Bergstrom
HRLAUS
Harlingen Valley Intl
Fri 12/11
5:50 pm-7:00 pm
Nonstop1h 10m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
HarlingenAustin
HRL Harlingen Valley Intl - AUS Austin Bergstrom
HRLAUS
Harlingen Valley Intl
Thu 12/10
6:05 pm-7:20 pm
Nonstop1h 15m
Austin Bergstrom
Sun 12/13
9:00 am-10:10 am
Nonstop1h 10m
$132
HarlingenAustin
HRL Harlingen Valley Intl - AUS Austin Bergstrom
HRLAUS
Harlingen Valley Intl
Fri 12/18
3:40 pm-11:45 pm
1 stop8h 05m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
HarlingenAustin
HRL Harlingen Valley Intl - AUS Austin Bergstrom
HRLAUS
Harlingen Valley Intl
Tue 11/24
5:25 pm-9:31 pm
1 stop4h 06m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$145
HarlingenAustin
HRL Harlingen Valley Intl - AUS Austin Bergstrom
HRLAUS
Harlingen Valley Intl
Wed 11/25
1:59 pm-8:03 pm
1 stop6h 04m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
HarlingenAustin
HRL Harlingen Valley Intl - AUS Austin Bergstrom
HRLAUS
Harlingen Valley Intl
Thu 10/29
6:20 am-7:30 am
Nonstop1h 10m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
HarlingenAustin
HRL Harlingen Valley Intl - AUS Austin Bergstrom
HRLAUS
Harlingen Valley Intl
Fri 10/30
5:30 pm-6:40 pm
Nonstop1h 10m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
HarlingenAustin
HRL Harlingen Valley Intl - AUS Austin Bergstrom
HRLAUS
Harlingen Valley Intl
Sat 11/14
12:45 pm-7:35 pm
2 stops6h 50m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$174
HarlingenAustin
HRL Harlingen Valley Intl - AUS Austin Bergstrom
HRLAUS
Harlingen Valley Intl
Wed 10/28
5:25 pm-11:15 pm
1 stop5h 50m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$180
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Harlingen to Austin
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 Harlingen to Austin in October.
| 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 Harlingen-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Harlingen-Austin 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 Harlingen-Austin 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 Harlingen to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Harlingen with our price prediction graph.
HRL-AUS
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 Harlingen to Austin
What is the cheapest month to book a flight from Harlingen to Austin?
Currently, August is the cheapest month in which you can book a flight from Harlingen to Austin (average of $117). Flying from Harlingen to Austin in November is currently the most expensive (average of $399). 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 HRL to AUS?
Find hourly flight availability from Harlingen to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 25, 2026.
It’s optimal to fly from Harlingen to Austin in the afternoon. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the evening.
Reviews of airlines servicing Austin
Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated October 25, 2026.
Read reviews from past customers who have flown Southwest from Harlingen to Austin. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.4
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.4
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Harlingen to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
Round Rock
San Marcos
Bastrop
Fredericksburg
Pflugerville
Georgetown
Dripping Springs
Seguin
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Austin flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Harlingen
Popular flights
Alternative routes for Harlingen to Austin
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Complete your trip
Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Harlingen to Austin by cabin class
Find flights from Harlingen to Austin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Harlingen and Austin flights
Browse other Harlingen and Austin flight options. Last updated on October 25, 2026.
Other flights from Harlingen
Browse through other flights departing from Harlingen. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Harlingen to Austin
Discover the top airline that operate flights from Harlingen to Austin. 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 October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$279 | FlexibilityNo cancel fee | On-time63% |