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Harlingen

$140+ Cheap flights from Atlanta to Harlingen, TX (ATL - 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — HRL
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Atlanta to Harlingen

Cheapest flights from Atlanta to Harlingen
Explore the most affordable flight options available from Atlanta to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. 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 3/1712:23 pm
ATL
-
HRL
1 stop6h 53m
American Airlines
Wed 3/2510:42 am
HRL
-
ATL
1 stop5h 53m
American Airlines
Deal found 2/10$251
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/117:00 am
ATL
-
HRL
1 stop5h 16m
United Airlines
Thu 3/1912:10 pm
HRL
-
ATL
1 stop4h 51m
United Airlines
Deal found 2/10$257
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:30 am
ATL
-
HRL
2 stops11h 29m
United Airlines
Sat 3/75:25 pm
HRL
-
ATL
1 stop4h 38m
United Airlines
Deal found 2/11$262
This American Airlines deal was found by Cheapflights users on 2/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
ATL
-
HRL
1 stop5h 15m
American Airlines
Tue 7/284:56 pm
HRL
-
ATL
1 stop6h 25m
American Airlines
Deal found 2/11$301
This Southwest deal was found by Cheapflights users on 2/10. 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 3/278:25 pm
ATL
-
HRL
1 stop4h 40m
Southwest
Mon 3/3012:30 pm
HRL
-
ATL
1 stop6h 35m
Southwest
Deal found 2/10$317
This Southwest deal was found by Cheapflights users on 2/11. 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 3/42:40 pm
ATL
-
HRL
1 stop7h 10m
Southwest
Sat 3/75:05 am
HRL
-
ATL
1 stop8h 10m
Southwest
Deal found 2/11$322
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/117:00 am
ATL
-
HRL
1 stop5h 23m
United Airlines
Tue 4/147:00 am
HRL
-
ATL
1 stop7h 01m
United Airlines
Deal found 2/10$327
This Southwest deal was found by Cheapflights users on 2/12. 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 4/68:25 pm
ATL
-
HRL
1 stop4h 40m
Southwest
Fri 4/106:55 am
HRL
-
ATL
1 stop3h 55m
Southwest
Deal found 2/12$328

Find flight deals from Atlanta to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$251
(American Airlines)

One-way from

$140
(United Airlines)

Popular in

January

Cheapest in

September

Average price

$365
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Harlingen Valley Intl flights.
Search Deals
From Atlanta Hartsfield-Jackson to Harlingen Valley Intl
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta 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 February 12, 2026.
Use the filters below to find and compare flights from Atlanta to Harlingen that are best for you.

Fly from

Atlanta

Fly to

Harlingen

Route

Depart

Return

Price

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Tue 3/17

12:23 pm-6:16 pm

1 stop6h 53m

Harlingen Valley Intl

Wed 3/25

10:42 am-5:35 pm

1 stop5h 53m

$251

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Wed 3/11

7:00 am-11:16 am

1 stop5h 16m

Harlingen Valley Intl

Thu 3/19

12:10 pm-6:01 pm

1 stop4h 51m

$257

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Wed 3/4

11:30 am-9:59 pm

2 stops11h 29m

Harlingen Valley Intl

Sat 3/7

5:25 pm-11:03 pm

1 stop4h 38m

$262

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Tue 7/21

6:00 am-10:15 am

1 stop5h 15m

Harlingen Valley Intl

Tue 7/28

4:56 pm-12:21 am

1 stop6h 25m

$301

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Fri 3/27

8:25 pm-12:05 am

1 stop4h 40m

Harlingen Valley Intl

Mon 3/30

12:30 pm-8:05 pm

1 stop6h 35m

$317

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Wed 3/4

2:40 pm-8:50 pm

1 stop7h 10m

Harlingen Valley Intl

Sat 3/7

5:05 am-2:15 pm

1 stop8h 10m

$322

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 4/11

7:00 am-11:23 am

1 stop5h 23m

Harlingen Valley Intl

Tue 4/14

9:20 am-3:01 pm

1 stop4h 41m

$327

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Mon 3/9

3:57 pm-9:56 pm

1 stop6h 59m

$140

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Fri 3/20

5:31 am-10:12 am

1 stop5h 41m

$145

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sun 3/15

7:00 am-11:16 am

1 stop5h 16m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Compare providers for flights from Atlanta 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 Atlanta to Harlingen in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Atlanta-Harlingen, Texas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Harlingen, Texas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Harlingen, Texas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-Harlingen, Texas 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 Atlanta-Harlingen, Texas 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 Atlanta to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Atlanta 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 Atlanta to Harlingen

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

Currently, November is the cheapest month in which you can book a flight from Atlanta to Harlingen, Texas (average of $158). Flying from Atlanta to Harlingen, Texas in June is currently the most expensive (average of $256). 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.

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 February 12, 2026.
See what other customers who have flown with Southwest and American Airlines from Atlanta 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
4,283 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

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
4,283 reviews
Southwest
8.0
Very good
4,283 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

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
American Airlines
7.2
Good
11,277 reviews
Southwest
8.0
Very good
4,283 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

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 Atlanta to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Atlanta to Harlingen, Texas?

    For as low as $257, United Airlines can have you in Harlingen, Texas from Atlanta in 5h 16m. Atlanta and Harlingen, Texas are separated by a distance of 941 mi. This flight may include one or multiple stops.

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

    Currently priced at $233, American Airlines will fly you from Atlanta to Harlingen, Texas and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Southwest for as low as $246. You may be able to fly from Atlanta to Harlingen, Texas for 37% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Atlanta 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 Atlanta to Harlingen, Texas?

    Currently, November is the cheapest month in which you can book a flight from Atlanta to Harlingen, Texas (average of $158). Flying from Atlanta to Harlingen, Texas in June is currently the most expensive (average of $256). 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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Top 2 airlines flying from Atlanta to Harlingen

Discover the top 2 airlines that operate flights from Atlanta 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$233Average$338FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$246Average$338FlexibilityNo cancel feeOn-time63%

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