$175+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — HRL
May 11 — May 181
Round-trip
1 adult, Economy
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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
Best
Last-minute
One-way
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 April 11, 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 April 11, 2026.
This Southwest deal was found by Cheapflights users on 4/7. 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.
Tue 5/56:35 pm
ATL
- HRL
1 stop4h 25m
Southwest
Sat 5/163:35 pm
HRL
- ATL
1 stop4h 20m
Southwest
Deal found 4/7![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 4/8. 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 5/216:15 am
ATL
- HRL
1 stop4h 50m
Southwest
Tue 5/2612:50 pm
HRL
- ATL
2 stops7h 10m
Southwest
Deal found 4/8![Southwest logo]()
$268
This Southwest deal was found by Cheapflights users on 4/7. 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 5/96:05 am
ATL
- HRL
1 stop6h 30m
Southwest
Sat 5/163:35 pm
HRL
- ATL
1 stop4h 20m
Southwest
Deal found 4/7![Southwest logo]()
$271
This Southwest deal was found by Cheapflights users on 4/7. 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 5/96:05 am
ATL
- HRL
1 stop6h 30m
Southwest
Sun 5/172:35 pm
HRL
- ATL
1 stop6h 05m
Southwest
Deal found 4/7![Southwest logo]()
$330
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 5/99:14 am
ATL
- HRL
2 stops11h 19m
American Airlines
Sat 5/1610:47 am
HRL
- ATL
2 stops12h 12m
American Airlines
Deal found 4/7![American Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:25 am
ATL
- HRL
1 stop8h 40m
Delta
Fri 4/244:02 pm
HRL
- ATL
1 stop6h 48m
Delta
Deal found 4/9![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:15 am
ATL
- HRL
2 stops9h 50m
Delta
Wed 4/294:02 pm
HRL
- ATL
1 stop6h 48m
Delta
Deal found 4/10![Delta logo]()
$354
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 April 11, 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 April 11, 2026.
This Southwest deal was found by Cheapflights users on 4/8. 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 5/216:15 am
ATL
- HRL
1 stop4h 50m
Southwest
Tue 5/2612:50 pm
HRL
- ATL
1 stop8h 10m
Southwest
Deal found 4/8![Southwest logo]()
$268
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:25 am
ATL
- HRL
1 stop8h 40m
Delta
Fri 4/244:02 pm
HRL
- ATL
1 stop6h 48m
Delta
Deal found 4/9![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/8. 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 8/223:57 pm
ATL
- HRL
1 stop6h 47m
United Airlines
Wed 8/262:00 pm
HRL
- ATL
1 stop6h 17m
United Airlines
Deal found 4/8![United Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 4/7. 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.
Tue 5/53:15 pm
ATL
- HRL
2 stops7h 45m
Southwest
Sat 5/163:35 pm
HRL
- ATL
2 stops13h 30m
Southwest
Deal found 4/7![Southwest logo]()
$269
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:25 am
ATL
- HRL
1 stop8h 40m
Delta
Wed 4/294:02 pm
HRL
- ATL
1 stop6h 48m
Delta
Deal found 4/10![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 4/7. 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 5/96:05 am
ATL
- HRL
1 stop6h 30m
Southwest
Sun 5/172:35 pm
HRL
- ATL
1 stop6h 05m
Southwest
Deal found 4/7![Southwest logo]()
$330
Last-minute flights from Atlanta to HarlingenDiscover last-minute flight deals from Atlanta to Harlingen. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Harlingen. Data last updated April 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:25 am
ATL
- HRL
1 stop8h 40m
Delta
Fri 4/244:02 pm
HRL
- ATL
1 stop6h 48m
Delta
Deal found 4/9![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:15 am
ATL
- HRL
2 stops9h 50m
Delta
Wed 4/294:02 pm
HRL
- ATL
1 stop6h 48m
Delta
Deal found 4/10![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 4/7. 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.
Tue 5/56:35 pm
ATL
- HRL
1 stop4h 25m
Southwest
Sat 5/163:35 pm
HRL
- ATL
1 stop4h 20m
Southwest
Deal found 4/7![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 4/7. 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 5/96:05 am
ATL
- HRL
1 stop6h 30m
Southwest
Sat 5/163:35 pm
HRL
- ATL
1 stop4h 20m
Southwest
Deal found 4/7![Southwest logo]()
$271
This Southwest deal was found by Cheapflights users on 4/7. 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 5/96:05 am
ATL
- HRL
1 stop6h 30m
Southwest
Sun 5/172:35 pm
HRL
- ATL
1 stop6h 05m
Southwest
Deal found 4/7![Southwest logo]()
$330
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 5/99:14 am
ATL
- HRL
2 stops11h 19m
American Airlines
Sat 5/1610:47 am
HRL
- ATL
2 stops12h 12m
American Airlines
Deal found 4/7![American Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 4/8. 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 5/216:15 am
ATL
- HRL
1 stop4h 50m
Southwest
Tue 5/2612:50 pm
HRL
- ATL
1 stop8h 10m
Southwest
Deal found 4/8![Southwest logo]()
$268
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 April 11, 2026.
Search for one-way flight options from Atlanta to Harlingen. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
This Southwest deal was found by Cheapflights users on 4/8. 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 4/238:40 am
ATL
- HRL
1 stop4h 05m
Southwest
Deal found 4/8![Southwest logo]()
$175
This Southwest deal was found by Cheapflights users on 4/11. 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.
Fri 5/226:15 am
ATL
- HRL
1 stop4h 50m
Southwest
Deal found 4/11![Southwest logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:47 am
ATL
- HRL
1 stop27h 36m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$228
This American Airlines deal was found by Cheapflights users on 4/10. 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.
Thu 4/239:14 am
ATL
- HRL
2 stops11h 08m
American Airlines
Deal found 4/10![American Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:43 pm
ATL
- HRL
3 stops36h 16m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/11. 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.
Fri 5/227:32 pm
ATL
- HRL
3 stops18h 58m
United Airlines
Deal found 4/11![United Airlines logo]()
$675
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 April 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $253 (Southwest) |
One-way from | $175 (Southwest) |
Popular in | April |
Cheapest in | September |
Average price | $544 |
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 April 11, 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 - HRL
ATLHRL
Atlanta Hartsfield-Jackson
Thu 5/21
6:15 am-10:05 am
1 stop4h 50m
Harlingen Valley Intl
Tue 5/26
12:50 pm-10:00 pm
1 stop8h 10m
$268
AtlantaHarlingen
ATL - HRL
ATLHRL
Atlanta Hartsfield-Jackson
Tue 5/5
3:15 pm-10:00 pm
2 stops7h 45m
Harlingen Valley Intl
Sat 5/16
3:35 pm-6:05 am
2 stops13h 30m
$269
Quickest round-trip
AtlantaHarlingen
ATL - HRL
ATLHRL
Atlanta Hartsfield-Jackson
Sat 5/9
6:05 am-11:35 am
1 stop6h 30m
Harlingen Valley Intl
Sun 5/17
2:35 pm-9:40 pm
1 stop6h 05m
$330
AtlantaHarlingen
ATL - HRL
ATLHRL
Atlanta Hartsfield-Jackson
Thu 4/23
7:25 am-3:05 pm
1 stop8h 40m
Harlingen Valley Intl
Fri 4/24
4:02 pm-11:50 pm
1 stop6h 48m
$349
AtlantaHarlingen
ATL - HRL
ATLHRL
Atlanta Hartsfield-Jackson
Sat 4/25
7:25 am-3:05 pm
1 stop8h 40m
Harlingen Valley Intl
Wed 4/29
4:02 pm-11:50 pm
1 stop6h 48m
$349
AtlantaHarlingen
ATL - HRL
ATLHRL
Atlanta Hartsfield-Jackson
Sat 8/22
3:57 pm-9:44 pm
1 stop6h 47m
Harlingen Valley Intl
Wed 8/26
2:00 pm-9:17 pm
1 stop6h 17m
$357
Cheapest one-way
AtlantaHarlingen
ATL - HRL
ATLHRL
Atlanta Hartsfield-Jackson
Thu 4/23
12:22 pm-7:22 pm
1 stop8h 00m
$175
AtlantaHarlingen
ATL - HRL
ATLHRL
Atlanta Hartsfield-Jackson
Fri 4/24
8:40 am-3:05 pm
1 stop7h 25m
$175
Quickest one-way
AtlantaHarlingen
ATL - HRL
ATLHRL
Atlanta Hartsfield-Jackson
Thu 4/23
8:40 am-11:45 am
1 stop4h 05m
$175
AtlantaHarlingen
ATL - HRL
ATLHRL
Atlanta Hartsfield-Jackson
Thu 4/23
11:44 am-4:04 pm
1 stop5h 20m
$175
Showing 1-10 of 13 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 April.
| 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
Prices
More
What is the cheapest month to book a flight from Atlanta to Harlingen?
Currently, November is the cheapest month in which you can book a flight from Atlanta to Harlingen (average of $158). Flying from Atlanta to Harlingen in April is currently the most expensive (average of $329). 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.
How much does it cost to fly round-trip from Atlanta to Harlingen?
What’s the top layover airport for flights from Atlanta to Harlingen?
Share of 1-stop round-trip flights from Atlanta to Harlingen chosen by Cheapflights users in the past 12 months, using the same layover each way.
Houston (HOU) – chosen by Cheapflights users on 50% of 1-stop itineraries from Atlanta to Harlingen on Cheapflights.
What’s the cheapest layover airport for flights from Atlanta to Harlingen?
Average round-trip fare for 1-stop flights from Atlanta to Harlingen, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Houston (HOU) is the most affordable 1-stop option, with an average round-trip price of $231.
What’s the fastest layover option from Atlanta to Harlingen?
Shortest average travel time for 1-stop one-way flights from Atlanta to Harlingen, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Houston (HOU) have the shortest average one-way travel time for 1-stop routes: 3h 55m.
Which airport typically offers the quickest layover for flights from Atlanta to Harlingen?
Average layover duration for 1-stop one-way flights from Atlanta to Harlingen, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Houston (HOU) offer the fastest connection on this route, with an average layover time of 0h 48m.
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 April 11, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican 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.
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Crew
8.6
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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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 April 11, 2026.
Atlanta and Harlingen flights
Browse other Atlanta and Harlingen flight options. Last updated on April 11, 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 April 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$233 | Average$338 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$247 | Average$398 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$259 | Average$414 | FlexibilityNo cancel fee | On-time69% |