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Harlingen

$92+ Cheap flights from Atlanta to Harlingen (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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — HRL
Aug 8 — Aug 151
Sat 8/8
Sat 8/15
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 July 9, 2026.

This Southwest deal was found by Cheapflights users on 7/8. 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 8/66:15 pm
ATL
-
HRL
1 stop5h 20m
Southwest
Mon 8/104:40 pm
HRL
-
ATL
1 stop4h 00m
Southwest
Deal found 7/8$209
This Southwest deal was found by Cheapflights users on 7/7. 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 8/66:15 pm
ATL
-
HRL
1 stop5h 20m
Southwest
Thu 8/134:40 pm
HRL
-
ATL
1 stop4h 00m
Southwest
Deal found 7/7$224
This Southwest deal was found by Cheapflights users on 7/7. 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 9/2612:50 pm
ATL
-
HRL
1 stop4h 00m
Southwest
Sat 10/36:25 am
HRL
-
ATL
1 stop6h 05m
Southwest
Deal found 7/7$236
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 8/86:10 am
ATL
-
HRL
1 stop4h 54m
American Airlines
Fri 8/143:17 pm
HRL
-
ATL
1 stop5h 47m
American Airlines
Deal found 7/8$288
This United Airlines deal was found by Cheapflights users on 7/8. 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 9/2611:45 am
ATL
-
HRL
1 stop5h 14m
United Airlines
Wed 9/302:00 pm
HRL
-
ATL
1 stop6h 20m
United Airlines
Deal found 7/8$293

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 July 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Southwest)

One-way from

$92
(Southwest)

Popular in

August

Cheapest in

September

Average price

$417
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.
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From Atlanta Hartsfield-Jackson to Harlingen Valley Intl
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One-way flight from Atlanta Hartsfield-Jackson to Harlingen Valley Intl
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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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 July 9, 2026.
Use the filters below to find and compare flights from Atlanta to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Thu 8/6

6:15 pm-10:35 pm

1 stop5h 20m

Harlingen Valley Intl

Thu 8/13

4:40 pm-9:40 pm

1 stop4h 00m

$224

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Thu 8/6

6:15 pm-10:35 pm

1 stop5h 20m

Harlingen Valley Intl

Mon 8/10

4:40 pm-9:40 pm

1 stop4h 00m

$224

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 9/26

12:50 pm-3:50 pm

1 stop4h 00m

Harlingen Valley Intl

Sat 10/3

6:25 am-1:30 pm

1 stop6h 05m

$236

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 9/26

11:45 am-3:59 pm

1 stop5h 14m

Harlingen Valley Intl

Wed 9/30

2:00 pm-9:20 pm

1 stop6h 20m

$293

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 7/25

2:40 pm-10:45 pm

2 stops9h 05m

Harlingen Valley Intl

Thu 7/30

1:15 pm-10:25 pm

2 stops8h 10m

$403
Cheapest one-way

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Wed 8/5

7:30 am-11:35 am

1 stop5h 05m

$92

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 9/26

5:45 pm-8:55 pm

1 stop4h 10m

$106

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Thu 8/27

6:10 am-10:04 am

1 stop4h 54m

$160
Quickest one-way

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sun 9/27

8:00 am-11:05 am

1 stop4h 05m

$175

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Thu 8/27

11:08 am-1:24 pm

3 stops27h 16m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Sorted by cheapest first

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

Currently, September is the cheapest month in which you can book a flight from Atlanta to Harlingen (average of $247). Flying from Atlanta to Harlingen in August is currently the most expensive (average of $673). 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 July 9, 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
7.9
Good
4,248 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
7.9
Good
4,248 reviews
Southwest
7.9
Good
4,248 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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
7.1
Good
11,792 reviews
Southwest
7.9
Good
4,248 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

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?

    A quick flight from Atlanta to Harlingen can take about 5h 14m. Southwest provides one of the quickest options available for as low as $293. Atlanta and Harlingen are separated by a distance of 941 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    American Airlines, at $233, was found to be the cheapest airline from Atlanta to Harlingen. An alternate airline flying to your destination would be Southwest. You may be able to fly from Atlanta to Harlingen for 48% 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?

    Currently, September is the cheapest month in which you can book a flight from Atlanta to Harlingen (average of $247). Flying from Atlanta to Harlingen in August is currently the most expensive (average of $673). 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.

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Alternative routes for Atlanta 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 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 July 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$233Average$385FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$247Average$508FlexibilityNo cancel feeOn-time63%

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