$109+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — HRL
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Atlanta to Harlingen with Cheapflights
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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
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Cheapest flights from Atlanta to HarlingenExplore 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 August 14, 2026.
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 August 14, 2026.
This Southwest deal was found by Cheapflights users on 8/13. 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 10/226:05 am -
1 stop7h 10m
Mon 10/266:35 pm -
1 stop3h 50m
Deal found 8/13![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 8/12. 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.
Thu 9/109:40 am -
2 stops8h 35m
Wed 9/165:40 pm -
1 stop4h 15m
Deal found 8/12![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 8/13. 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 9/248:55 am -
1 stop7h 45m
Mon 9/284:40 pm -
1 stop4h 05m
Deal found 8/13![Southwest logo]()
$238
This Southwest deal was found by Cheapflights users on 8/10. 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 10/166:40 pm -
1 stop5h 10m
Sat 10/2410:55 am -
1 stop5h 05m
Deal found 8/10![Southwest logo]()
$245
This Southwest deal was found by Cheapflights users on 8/13. 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.
Tue 10/62:30 pm -
2 stops8h 25m
Mon 10/195:30 am -
2 stops6h 20m
Deal found 8/13![Southwest logo]()
$283
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/34:10 pm -
1 stop7h 44m
Sun 9/65:54 am -
1 stop5h 46m
Deal found 8/11![American Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 8/12. 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.
Wed 9/236:30 am -
2 stops6h 05m
Sat 9/266:05 am -
2 stops8h 25m
Deal found 8/12![Southwest logo]()
$296
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/129:20 am -
1 stop7h 41m
Sat 11/147:10 am -
1 stop6h 51m
Deal found 8/13![United Airlines logo]()
$297
Best flights from Atlanta to HarlingenDiscover carefully curated flight deals from Atlanta to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Atlanta to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This Southwest deal was found by Cheapflights users on 8/13. 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.
Tue 10/62:30 pm -
2 stops8h 25m
Mon 10/196:30 pm -
1 stop3h 55m
Deal found 8/13![Southwest logo]()
$222
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/34:10 pm -
1 stop7h 44m
Sun 9/65:54 am -
1 stop5h 46m
Deal found 8/11![American Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/129:20 am -
1 stop7h 41m
Sat 11/147:10 am -
2 stops13h 13m
Deal found 8/13![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 8/12. 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.
Wed 9/236:30 am -
2 stops6h 05m
Sat 9/267:00 am -
1 stop4h 10m
Deal found 8/12![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 8/13. 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 10/226:05 am -
1 stop7h 10m
Mon 10/265:30 am -
2 stops6h 20m
Deal found 8/13![Southwest logo]()
$223
This Southwest deal was found by Cheapflights users on 8/13. 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 9/248:55 am -
1 stop7h 45m
Mon 9/284:40 pm -
1 stop4h 05m
Deal found 8/13![Southwest logo]()
$238
This Southwest deal was found by Cheapflights users on 8/10. 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 10/166:40 pm -
1 stop5h 10m
Sat 10/2410:55 am -
1 stop5h 05m
Deal found 8/10![Southwest logo]()
$245
This Southwest deal was found by Cheapflights users on 8/9. 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 12/103:50 pm -
1 stop5h 50m
Mon 12/213:45 pm -
1 stop4h 20m
Deal found 8/9![Southwest logo]()
$313
Last-minute flights from Atlanta to HarlingenDiscover last-minute flight deals from Atlanta to Harlingen. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Harlingen. Data last updated August 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/257:05 am -
1 stop7h 19m
Sat 8/291:59 pm -
1 stop6h 21m
Deal found 8/10![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/34:10 pm -
1 stop7h 44m
Sun 9/65:54 am -
1 stop5h 46m
Deal found 8/11![American Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 8/10. 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 9/49:40 am -
2 stops8h 35m
Tue 9/85:40 pm -
1 stop4h 15m
Deal found 8/10![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 8/12. 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.
Thu 9/106:15 pm -
1 stop5h 25m
Wed 9/165:40 pm -
1 stop4h 15m
Deal found 8/12![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 8/12. 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.
Wed 9/236:30 am -
2 stops6h 05m
Sat 9/266:05 am -
2 stops8h 25m
Deal found 8/12![Southwest logo]()
$296
This Southwest deal was found by Cheapflights users on 8/13. 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 9/249:40 am -
2 stops7h 00m
Mon 9/284:40 pm -
1 stop4h 05m
Deal found 8/13![Southwest logo]()
$238
One-way flights from Atlanta to HarlingenSearch for one-way flight options from Atlanta to Harlingen. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Atlanta to Harlingen. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
1 stop5h 10m
Deal found 8/12![American Airlines logo]()
$109
This Southwest deal was found by Cheapflights users on 8/12. 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.
Tue 12/16:00 am -
2 stops7h 10m
Deal found 8/12![Southwest logo]()
$134
This deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:05 am -
1 stop4h 54m
Deal found 8/13![United Airlines logo]()
$280
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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Southwest) |
One-way from | $109 (American Airlines) |
Popular in | August |
Cheapest in | September |
Average price | $673 |
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 August 14, 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
Cheapest round-trip
AtlantaHarlingen
ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl
ATLHRL
Atlanta Hartsfield-Jackson
Tue 10/6
2:30 pm-9:55 pm
2 stops8h 25m
Harlingen Valley Intl
Mon 10/19
6:30 pm-11:25 pm
1 stop3h 55m
$222
AtlantaHarlingen
ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl
ATLHRL
Atlanta Hartsfield-Jackson
Wed 9/23
6:30 am-11:35 am
2 stops6h 05m
Harlingen Valley Intl
Sat 9/26
7:00 am-12:10 pm
1 stop4h 10m
$222
AtlantaHarlingen
ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl
ATLHRL
Atlanta Hartsfield-Jackson
Thu 10/22
6:05 am-12:15 pm
1 stop7h 10m
Harlingen Valley Intl
Mon 10/26
5:30 am-12:50 pm
2 stops6h 20m
$223
AtlantaHarlingen
ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl
ATLHRL
Atlanta Hartsfield-Jackson
Thu 9/24
8:55 am-3:40 pm
1 stop7h 45m
Harlingen Valley Intl
Mon 9/28
4:40 pm-9:45 pm
1 stop4h 05m
$238
AtlantaHarlingen
ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl
ATLHRL
Atlanta Hartsfield-Jackson
Fri 10/16
6:40 pm-10:50 pm
1 stop5h 10m
Harlingen Valley Intl
Sat 10/24
10:55 am-5:00 pm
1 stop5h 05m
$245
AtlantaHarlingen
ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl
ATLHRL
Atlanta Hartsfield-Jackson
Thu 9/3
4:10 pm-10:54 pm
1 stop7h 44m
Harlingen Valley Intl
Sun 9/6
5:54 am-12:40 pm
1 stop5h 46m
$295
Quickest round-trip
AtlantaHarlingen
ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl
ATLHRL
Atlanta Hartsfield-Jackson
Thu 12/10
3:50 pm-8:40 pm
1 stop5h 50m
Harlingen Valley Intl
Mon 12/21
3:45 pm-9:05 pm
1 stop4h 20m
$313
AtlantaHarlingen
ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl
ATLHRL
Atlanta Hartsfield-Jackson
Thu 11/12
9:20 am-4:01 pm
1 stop7h 41m
Harlingen Valley Intl
Sat 11/14
7:10 am-9:23 pm
2 stops13h 13m
$350
Cheapest one-way
AtlantaHarlingen
ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl
ATLHRL
Atlanta Hartsfield-Jackson
Tue 12/1
6:00 am-10:10 am
1 stop5h 10m
$109
AtlantaHarlingen
ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl
ATLHRL
Atlanta Hartsfield-Jackson
Tue 12/1
6:00 am-12:10 pm
2 stops7h 10m
$134
Showing 1-10 of 11 resultsSorted 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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
ATL-HRL
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
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 August 14, 2026.
See what other customers who have flown with Southwest 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.
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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.
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Complete your trip
Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Atlanta to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Harlingen
Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
Atlanta and Harlingen flights
Browse other Atlanta and Harlingen flight options. Last updated on August 14, 2026.
Other flights from Atlanta
Browse through other flights departing from Atlanta. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Atlanta to Harlingen
Discover the top airline 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 August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$247 | Average$533 | FlexibilityNo cancel fee | On-time63% |