HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Harlingen

$247+ Cheap flights from Atlanta to Harlingen, TX (ATL - 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — HRL
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Atlanta 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 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 December 26, 2025.

This United Airlines deal was found by Cheapflights users on 12/24. 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.
Wed 12/317:10 amATL - HRL
1 stop5h 03mUnited Airlines
Tue 1/65:25 pmHRL - ATL
1 stop4h 54mUnited Airlines
Deal found 12/24$341
This Southwest deal was found by Cheapflights users on 12/24. 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.
Wed 12/313:55 pmATL - HRL
1 stop7h 10mSouthwest
Tue 1/612:15 pmHRL - ATL
2 stops7h 15mSouthwest
Deal found 12/24$441
This Southwest deal was found by Cheapflights users on 12/24. 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.
Fri 12/267:40 pmATL - HRL
1 stop5h 15mSouthwest
Wed 12/317:30 amHRL - ATL
1 stop4h 10mSouthwest
Deal found 12/24$484
This Southwest deal was found by Cheapflights users on 12/24. 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 12/256:30 amATL - HRL
1 stop4h 25mSouthwest
Mon 1/53:35 pmHRL - ATL
2 stops7h 30mSouthwest
Deal found 12/24$505
This Southwest deal was found by Cheapflights users on 12/24. 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.
Mon 12/297:40 pmATL - HRL
1 stop5h 15mSouthwest
Mon 1/53:35 pmHRL - ATL
2 stops7h 30mSouthwest
Deal found 12/24$528
This American Airlines deal was found by Cheapflights users on 12/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:29 amATL - HRL
1 stop5h 11mAmerican Airlines
Sat 12/272:48 pmHRL - ATL
1 stop6h 16mAmerican Airlines
Deal found 12/23$537
This American Airlines deal was found by Cheapflights users on 12/25. 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.
Sun 12/285:29 amATL - HRL
1 stop5h 11mAmerican Airlines
Fri 1/22:48 pmHRL - ATL
1 stop6h 16mAmerican Airlines
Deal found 12/25$566
This United Airlines deal was found by Cheapflights users on 12/24. 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 12/257:10 amATL - HRL
1 stop5h 03mUnited Airlines
Mon 1/55:20 pmHRL - ATL
1 stop5h 03mUnited Airlines
Deal found 12/24$570

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 December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$247
(United Airlines)

One-way from

$130
(American Airlines)

Popular in

January

Cheapest in

September

Average price

$434
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 ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 26, 2025.
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

Sat 1/17

7:00 am-11:26 am

1 stop5h 26m

Harlingen Valley Intl

Sun 1/25

12:10 pm-5:58 pm

1 stop4h 48m

$247

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Tue 1/13

9:20 am-4:06 pm

1 stop7h 46m

Harlingen Valley Intl

Sat 1/17

5:25 pm-11:19 pm

1 stop4h 54m

$305

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Fri 1/9

11:45 am-4:06 pm

1 stop5h 21m

Harlingen Valley Intl

Tue 1/13

5:25 pm-11:19 pm

1 stop4h 54m

$309

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Fri 1/9

9:00 am-6:14 pm

2 stops10h 14m

Harlingen Valley Intl

Tue 1/13

11:06 am-9:47 pm

2 stops9h 41m

$319

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 1/17

6:20 am-10:00 am

1 stop4h 40m

Harlingen Valley Intl

Sun 1/25

9:45 am-6:35 pm

2 stops7h 50m

$326

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Mon 1/5

4:33 pm-8:40 pm

1 stop5h 07m

Harlingen Valley Intl

Wed 1/7

3:22 pm-10:35 pm

1 stop6h 13m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Atlanta-Harlingen, Texas flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, February is the cheapest month in which you can book a flight from Atlanta to Harlingen, Texas (average of $148). Flying from Atlanta to Harlingen, Texas in March is currently the most expensive (average of $262). 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 December 26, 2025.
See what other customers who have flown with Southwest, Delta, 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
4,258 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

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
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

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
Delta
7.9
Good
8,012 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

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
11,061 reviews
Southwest
8.0
Very good
4,258 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

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 $247, United Airlines can have you in Harlingen, Texas from Atlanta in 5h 26m. Atlanta and Harlingen, Texas are separated by a distance of 941 mi.

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

    Currently priced at $148, Delta will fly you from Atlanta to Harlingen, Texas and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Southwest - these airlines can fly you to your destination from $236 and $246, respectively. You may be able to fly from Atlanta to Harlingen, Texas for 59% 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, February is the cheapest month in which you can book a flight from Atlanta to Harlingen, Texas (average of $148). Flying from Atlanta to Harlingen, Texas in March is currently the most expensive (average of $262). 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

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 for Atlanta to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to Dallas/Fort Worth flights
Atlanta to Hobby flights
Atlanta to George Bush Intcntl flights
Atlanta to Love Field flights
Atlanta to Austin flights
Jacksonville to Dallas/Fort Worth flights
Atlanta to San Antonio flights
Jacksonville to Hobby flights
Jacksonville to George Bush Intcntl flights
Chattanooga to Dallas/Fort Worth flights
Savannah to Hobby flights
Jacksonville to Love Field flights
Savannah to George Bush Intcntl flights
Chattanooga to Hobby flights
Savannah to Dallas/Fort Worth flights
Savannah to Austin flights
Chattanooga to George Bush Intcntl flights
Jacksonville to San Antonio flights
Jacksonville to Austin flights
Asheville to Dallas/Fort Worth flights
Tallahassee to Dallas/Fort Worth flights
Asheville to Hobby flights
Chattanooga to Love Field flights
Asheville to Austin flights
Atlanta to El Paso flights
Chattanooga to Austin flights
Asheville to George Bush Intcntl flights
Savannah to Love Field flights
Savannah to San Antonio flights
Atlanta to Midland flights
Augusta to Dallas/Fort Worth flights
Atlanta to McAllen flights
Chattanooga to San Antonio flights
Augusta to San Antonio flights
Tallahassee to Austin flights
Chattanooga to El Paso flights
Atlanta to Lubbock flights
Jacksonville to McAllen flights
Valdosta to Dallas/Fort Worth flights
Savannah to El Paso flights
Tallahassee to Love Field flights
Asheville to San Antonio flights
Asheville to Love Field flights
Valdosta to Hobby flights
Valdosta to Love Field flights
Brunswick to Dallas/Fort Worth flights
Jacksonville to El Paso flights
Atlanta to Amarillo flights

Top 3 airlines flying from Atlanta to Harlingen

Discover the top 3 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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$148Average$372FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$236Average$347FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$246Average$338FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.