HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Harlingen

$126+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — HRL
Dec 7 — Dec 141
Sun 12/7
Sun 12/14
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

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 November 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$255
(American Airlines)

One-way from

$126
(Delta)

Popular in

December

Cheapest in

February

Average price

$358
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. 13% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 November 7, 2025.

This United Airlines deal was found by Cheapflights users on 11/6. 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 11/289:20 amATL - HRL
1 stop7h 39mUnited Airlines
Sat 11/297:00 amHRL - ATL
1 stop7h 01mUnited Airlines
Deal found 11/6$368
This American Airlines deal was found by Cheapflights users on 11/6. 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.
Wed 11/195:35 amATL - HRL
1 stop5h 16mAmerican Airlines
Sat 11/2212:11 pmHRL - ATL
1 stop6h 16mAmerican Airlines
Deal found 11/6$379
This Delta deal was found by Cheapflights users on 11/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:25 amATL - HRL
1 stop7h 18mDelta
Sun 11/163:39 pmHRL - ATL
1 stop7h 16mDelta
Deal found 11/7$399
This Delta deal was found by Cheapflights users on 11/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:25 amATL - HRL
1 stop8h 18mDelta
Sun 11/93:39 pmHRL - ATL
1 stop7h 12mDelta
Deal found 11/6$409
This American Airlines deal was found by Cheapflights users on 11/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:10 pmATL - HRL
1 stop7h 17mAmerican Airlines
Thu 1/15:34 amHRL - ATL
1 stop4h 42mAmerican Airlines
Deal found 11/7$415
This Southwest deal was found by Cheapflights users on 11/7. 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.
Fri 11/144:35 pmATL - HRL
2 stops8h 00mSouthwest
Sun 11/165:45 amHRL - ATL
1 stop4h 15mSouthwest
Deal found 11/7$434
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/88:10 amATL - HRL
2 stops12h 29mUnited Airlines
Sun 11/95:00 pmHRL - ATL
1 stop5h 29mUnited Airlines
Deal found 11/6$444
This Southwest deal was found by Cheapflights users on 11/7. 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.
Wed 12/246:15 pmATL - HRL
1 stop4h 50mSouthwest
Thu 1/16:40 amHRL - ATL
2 stops7h 30mSouthwest
Deal found 11/7$454
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/232:10 pmATL - HRL
1 stop20h 30mAmerican Airlines
Sun 1/48:11 pmHRL - ATL
1 stop12h 52mAmerican Airlines
Deal found 11/6$530
This Southwest deal was found by Cheapflights users on 11/6. 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 11/81:15 pmATL - HRL
2 stops6h 45mSouthwest
Sun 11/93:35 pmHRL - ATL
2 stops7h 30mSouthwest
Deal found 11/6$533

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 November 7, 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

Tue 1/6

11:02 am-6:14 pm

1 stop8h 12m

Harlingen Valley Intl

Thu 1/8

6:02 am-11:51 am

1 stop4h 49m

$265

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Wed 1/7

5:00 pm-11:21 pm

1 stop7h 21m

Harlingen Valley Intl

Fri 1/9

3:22 pm-10:35 pm

1 stop6h 13m

$305

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Tue 3/10

7:25 am-2:29 pm

1 stop8h 04m

Harlingen Valley Intl

Wed 3/11

3:00 pm-11:59 pm

1 stop7h 59m

$309

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Mon 3/23

3:55 pm-7:29 pm

1 stop4h 34m

Harlingen Valley Intl

Fri 3/27

9:20 am-3:00 pm

1 stop4h 40m

$332

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Tue 3/10

8:15 am-3:34 pm

2 stops8h 19m

Harlingen Valley Intl

Wed 3/11

5:16 pm-11:20 pm

1 stop5h 04m

$332

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 12/6

7:25 am-3:10 pm

1 stop8h 45m

$126

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 12/13

7:25 am-3:10 pm

1 stop8h 45m

$126

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 12/6

9:08 am-5:39 pm

2 stops9h 31m

$131

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Fri 12/12

6:00 am-3:00 pm

1 stop10h 00m

$135

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 12/13

1:17 pm-9:54 pm

2 stops9h 37m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 15 results
1
2

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 November.
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 $122). 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 November 7, 2025.
See what other customers who have flown with Southwest, Delta, and United 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
4,241 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

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
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

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
8,003 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

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
United Airlines
7.4
Good
9,009 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

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
11,044 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

8.0

Crew

8.6

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 $265, American Airlines can have you in Harlingen, Texas from Atlanta in 8h 12m. 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 $145, 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. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $148 and $221, respectively. You may be able to fly from Atlanta to Harlingen, Texas for 58% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Atlanta to Harlingen, Texas one-way?

    The cheapest airlines for a one-way flight from Atlanta to Harlingen, Texas are Delta ($126), American Airlines ($131), and Southwest ($135).

  • 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 $122). 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 Austin flights
Atlanta to George Bush Intcntl flights
Jacksonville to Dallas/Fort Worth flights
Atlanta to Love Field flights
Atlanta to San Antonio flights
Jacksonville to Hobby flights
Jacksonville to George Bush Intcntl flights
Jacksonville to Love Field flights
Savannah to Dallas/Fort Worth flights
Chattanooga to Dallas/Fort Worth flights
Chattanooga to Hobby flights
Savannah to Hobby flights
Jacksonville to Austin flights
Jacksonville to San Antonio flights
Savannah to George Bush Intcntl flights
Asheville to Dallas/Fort Worth flights
Chattanooga to George Bush Intcntl flights
Asheville to Hobby flights
Atlanta to El Paso flights
Asheville to Austin flights
Asheville to George Bush Intcntl flights
Savannah to Austin flights
Tallahassee to Hobby flights
Tallahassee to San Antonio flights
Savannah to Love Field flights
Chattanooga to Austin flights
Chattanooga to San Antonio flights
Tallahassee to Dallas/Fort Worth flights
Chattanooga to Love Field flights
Tallahassee to George Bush Intcntl flights
Atlanta to McAllen flights
Asheville to Love Field flights
Augusta to Hobby flights
Atlanta to Midland flights
Savannah to San Antonio flights
Augusta to Dallas/Fort Worth flights
Augusta to George Bush Intcntl flights
Asheville to El Paso flights
Tallahassee to Austin flights
Tallahassee to Love Field flights
Asheville to San Antonio flights
Atlanta to Brownsville flights
Jacksonville to El Paso flights
Atlanta to Corpus Christi flights
Augusta to Love Field flights
Atlanta to Lubbock flights
Atlanta to Amarillo flights

Top 4 airlines flying from Atlanta to Harlingen

Discover the top 4 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 November 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$145Average$336FlexibilityNo cancel feeOn-time71%
DeltaCheapest$148Average$296FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$221Average$379FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$246Average$344FlexibilityNo 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.