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Cheap flights from Austin to Harlingen from $51

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Harlingen departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Austin to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
9:40 am - 10:50 amAUS  Austin Bergstrom-HRL Harlingen Valley Intl
1h 10mnonstop
Southwest Logo
5:55 pm - 7:05 pmHRL  Harlingen Valley Intl-AUS Austin Bergstrom
1h 10mnonstop
$102Southwest
Sat, Sep 12 - Mon, Sep 14
Southwest Logo
7:25 pm - 8:35 pmAUS  Austin Bergstrom-HRL Harlingen Valley Intl
1h 10mnonstop
Southwest Logo
5:55 pm - 7:05 pmHRL  Harlingen Valley Intl-AUS Austin Bergstrom
1h 10mnonstop
$108Southwest
Thu, Sep 10 - Thu, Sep 17
Southwest Logo
7:25 pm - 8:35 pmAUS  Austin Bergstrom-HRL Harlingen Valley Intl
1h 10mnonstop
Southwest Logo
5:40 pm - 6:50 pmHRL  Harlingen Valley Intl-AUS Austin Bergstrom
1h 10mnonstop
$108Southwest
Thu, Sep 10 - Wed, Sep 16
Southwest Logo
10:25 am - 11:35 amAUS  Austin Bergstrom-HRL Harlingen Valley Intl
1h 10mnonstop
Southwest Logo
6:35 am - 7:45 amHRL  Harlingen Valley Intl-AUS Austin Bergstrom
1h 10mnonstop
$108Southwest
Wed, Sep 9 - Wed, Sep 16
United Airlines Logo
12:12 pm - 3:59 pmAUS  Austin Bergstrom-HRL Harlingen Valley Intl
3h 47m1 stop Houston George Bush Intcntl
United Airlines Logo
5:05 am - 11:08 amHRL  Harlingen Valley Intl-AUS Austin Bergstrom
6h 03m1 stop Houston George Bush Intcntl
$177United Airlines
Sat, Sep 12 - Sat, Sep 26
United Airlines Logo
5:44 pm - 9:52 pmAUS  Austin Bergstrom-HRL Harlingen Valley Intl
4h 08m1 stop Houston George Bush Intcntl
United Airlines Logo
5:18 pm - 9:07 pmHRL  Harlingen Valley Intl-AUS Austin Bergstrom
3h 49m1 stop Houston George Bush Intcntl
$194United Airlines
Mon, Aug 31 - Wed, Sep 9
American Airlines Logo
11:29 am - 4:27 pmAUS  Austin Bergstrom-HRL Harlingen Valley Intl
4h 58m1 stop Dallas/Fort Worth
American Airlines Logo
6:43 pm - 10:35 pmHRL  Harlingen Valley Intl-AUS Austin Bergstrom
3h 52m1 stop Dallas/Fort Worth
$194American Airlines
Thu, Sep 3 - Sat, Sep 5
United Airlines Logo
5:44 pm - 9:52 pmAUS  Austin Bergstrom-HRL Harlingen Valley Intl
4h 08m1 stop Houston George Bush Intcntl
United Airlines Logo
5:18 pm - 9:07 pmHRL  Harlingen Valley Intl-AUS Austin Bergstrom
3h 49m1 stop Houston George Bush Intcntl
$229United Airlines
Sat, Sep 19 - Tue, Sep 22
American Airlines Logo
6:00 am - 10:08 amAUS  Austin Bergstrom-HRL Harlingen Valley Intl
4h 08m1 stop Dallas/Fort Worth
American Airlines Logo
5:50 am - 9:32 amHRL  Harlingen Valley Intl-AUS Austin Bergstrom
3h 42m1 stop Dallas/Fort Worth
$239American Airlines
Wed, Oct 14 - Fri, Oct 16
American Airlines Logo
6:00 am - 10:08 amAUS  Austin Bergstrom-HRL Harlingen Valley Intl
4h 08m1 stop Dallas/Fort Worth
American Airlines Logo
5:50 am - 9:32 amHRL  Harlingen Valley Intl-AUS Austin Bergstrom
3h 42m1 stop Dallas/Fort Worth
$250American Airlines
Wed, Oct 14 - Fri, Oct 16

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United Airlines flights from Austin to Harlingen

Our best United Airlines deals on Austin to Harlingen flight tickets
United Airlines
Sep 12
AUS12:12 pmAustin Bergstrom
3h 47m
1 stop
HRL3:59 pmHarlingen Valley Intl
Sep 26
HRL5:05 amHarlingen Valley Intl
6h 03m
1 stop
AUS11:08 amAustin Bergstrom
$177
United Airlines
Aug 31
AUS5:44 pmAustin Bergstrom
4h 08m
1 stop
HRL9:52 pmHarlingen Valley Intl
Sep 9
HRL5:18 pmHarlingen Valley Intl
3h 49m
1 stop
AUS9:07 pmAustin Bergstrom
$194
United Airlines
Sep 19
AUS4:10 pmAustin Bergstrom
3h 29m
1 stop
HRL7:39 pmHarlingen Valley Intl
Sep 22
HRL5:18 pmHarlingen Valley Intl
5h 56m
1 stop
AUS11:14 pmAustin Bergstrom
$229

Southwest flights from Austin to Harlingen

Our best Southwest deals on Austin to Harlingen flight tickets
Southwest
Sep 12
AUS9:40 amAustin Bergstrom
1h 10m
HRL10:50 amHarlingen Valley Intl
Sep 14
HRL5:55 pmHarlingen Valley Intl
1h 10m
AUS7:05 pmAustin Bergstrom
$102
Southwest
Sep 10
AUS7:25 pmAustin Bergstrom
1h 10m
HRL8:35 pmHarlingen Valley Intl
Sep 16
HRL5:40 pmHarlingen Valley Intl
1h 10m
AUS6:50 pmAustin Bergstrom
$108
Southwest
Sep 12
AUS12:50 pmAustin Bergstrom
3h 00m
1 stop
HRL3:50 pmHarlingen Valley Intl
Sep 14
HRL6:20 amHarlingen Valley Intl
1h 10m
AUS7:30 amAustin Bergstrom
$112

momondo 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, momondo users made 832,500 searches. Data last updated August 17, 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
Quickest round-trip

AustinHarlingen

AUS Austin Bergstrom - HRL Harlingen Valley Intl

AUSHRL

Austin Bergstrom

Sat 9/12

9:40 am-10:50 am

Nonstop1h 10m

Harlingen Valley Intl

Mon 9/14

5:55 pm-7:05 pm

Nonstop1h 10m

$102

AustinHarlingen

AUS Austin Bergstrom - HRL Harlingen Valley Intl

AUSHRL

Austin Bergstrom

Thu 9/10

7:25 pm-8:35 pm

Nonstop1h 10m

Harlingen Valley Intl

Thu 9/17

5:55 pm-7:05 pm

Nonstop1h 10m

$108

AustinHarlingen

AUS Austin Bergstrom - HRL Harlingen Valley Intl

AUSHRL

Austin Bergstrom

Thu 9/10

7:25 pm-8:35 pm

Nonstop1h 10m

Harlingen Valley Intl

Wed 9/16

5:40 pm-6:50 pm

Nonstop1h 10m

$108

AustinHarlingen

AUS Austin Bergstrom - HRL Harlingen Valley Intl

AUSHRL

Austin Bergstrom

Wed 9/9

10:25 am-11:35 am

Nonstop1h 10m

Harlingen Valley Intl

Wed 9/16

6:35 am-7:45 am

Nonstop1h 10m

$108

AustinHarlingen

AUS Austin Bergstrom - HRL Harlingen Valley Intl

AUSHRL

Austin Bergstrom

Sat 9/12

12:12 pm-3:59 pm

1 stop3h 47m

Harlingen Valley Intl

Sat 9/26

5:05 am-11:08 am

1 stop6h 03m

$177

AustinHarlingen

AUS Austin Bergstrom - HRL Harlingen Valley Intl

AUSHRL

Austin Bergstrom

Mon 8/31

5:44 pm-9:52 pm

1 stop4h 08m

Harlingen Valley Intl

Wed 9/9

5:18 pm-9:07 pm

1 stop3h 49m

$194

AustinHarlingen

AUS Austin Bergstrom - HRL Harlingen Valley Intl

AUSHRL

Austin Bergstrom

Thu 9/3

11:29 am-4:27 pm

1 stop4h 58m

Harlingen Valley Intl

Sat 9/5

6:43 pm-10:35 pm

1 stop3h 52m

$194

AustinHarlingen

AUS Austin Bergstrom - HRL Harlingen Valley Intl

AUSHRL

Austin Bergstrom

Sat 9/19

5:44 pm-9:52 pm

1 stop4h 08m

Harlingen Valley Intl

Tue 9/22

5:18 pm-9:07 pm

1 stop3h 49m

$229

AustinHarlingen

AUS Austin Bergstrom - HRL Harlingen Valley Intl

AUSHRL

Austin Bergstrom

Wed 10/14

6:00 am-10:08 am

1 stop4h 08m

Harlingen Valley Intl

Fri 10/16

5:50 am-9:32 am

1 stop3h 42m

$239

AustinHarlingen

AUS Austin Bergstrom - HRL Harlingen Valley Intl

AUSHRL

Austin Bergstrom

Wed 10/14

6:00 am-10:08 am

1 stop4h 08m

Harlingen Valley Intl

Fri 10/16

5:50 am-9:32 am

1 stop3h 42m

$250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Austin to Harlingen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Austin and Harlingen?

Prices are currently low for flights on this route.

Typical prices usually range from $117 to $388.
The lowest price recently found on this route was $102.

What is the cheapest month to fly to Harlingen?

If you aren’t able to travel during the month of October, then book flights to Harlingen from Austin during September instead. Flights to Harlingen in September, while not as cheap as those in October, still average around $206.

What is the cheapest day to depart on your flight to Harlingen?

On average, the least expensive day to fly to Harlingen from Austin is on a Monday. momondo users have found tickets for Monday departures for as low as $199. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Austin to Harlingen for around $358.

What is the cheapest time of day to depart on your flight to Harlingen?

Our most recent data shows that the best time of day to fly to Harlingen is in the morning. Flights from Austin to Harlingen during this time can be as low as $239. Flights in the evening are often more expensive with an average ticket price of $279.

What is the cheapest Austin Bergstrom to Harlingen Valley Intl flight route?

Fly from Austin Bergstrom to Harlingen Valley Intl for the best Austin Bergstrom - Harlingen Valley Intl flight prices

What cabin class options are available on Austin to Harlingen flights?

There is only 1 cabin class available to choose from on Austin to Harlingen flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Austin to Harlingen flights?

No. A direct flight is the cheapest option for a flight between Austin to Harlingen.

How have Austin to Harlingen flight prices changed over time?

As of August 2026, prices for Austin to Harlingen flights are approximately 63% cheaper when compared to flights at the same time last year.

When to book flights from Austin to Harlingen

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to Harlingen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Austin to Harlingen (AUS to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Harlingen

Best Price Found

$51

Fastest flight time

1h 05m

Direct flights

Every day

Airports in Harlingen

1 airport
The best one-way flight to Harlingen from Austin in the past 72 hours is $51. The best round-trip flight deal from Austin to Harlingen found on momondo in the last 72 hours is $102.
The fastest flight from Austin to Harlingen takes 1h 05m
Direct flights go from Austin to Harlingen every day.
There is 1 airport in Harlingen. From Austin there are direct flights to Harlingen Valley Intl (HRL).
Search flight deals

Frequently asked questions about flying from Austin to Harlingen

  • How far is Austin Bergstrom to Harlingen Valley Intl by plane?

    Harlingen Valley Intl is 282.4 mi away from Austin Bergstrom. In terms of flight time, this usually takes a little over 1h 05m.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Harlingen Valley Intl Airport?

    Prices for flights from Austin Bergstrom Airport to Harlingen Valley Intl Airport are updated daily.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Harlingen Valley Intl Airport?

  • How old do you have to be to fly from Austin Bergstrom Airport to Harlingen Valley Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Austin Bergstrom Airport to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The necessary travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Austin to Harlingen?

  • What is the most popular airline from Austin to Harlingen?

Best airlines flying from Austin to Harlingen

Compare and see reviews for airlines that fly from Austin to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $117Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
United AirlinesPriceFrom $202Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights

  • Southwest Flights From Austin to Harlingen

    Southwest flies from Austin to Harlingen around 13 times per week, with 4,218 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Austin to Harlingen in the last 72 hours was $117 (round-trip), much lower than the average airfare cost of $239 for Southwest flights on this route.

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Harlingen?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to Harlingen. momondo saves you time and could save you money on your trip.

Can I find flights from Austin to Harlingen with flexible booking policies on momondo?

Flights from Austin to Harlingen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Austin to Harlingen?

Once you have performed a search for Austin to Harlingen flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Austin to Harlingen right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Harlingen, momondo offers a useful price alert feature which will track prices for flights to Harlingen from Austin and alert you when they change.

An easier way to manage your Harlingen trip

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