What airlines fly to Harlingen?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Harlingen from Atlanta according to our data. American Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Harlingen. Keep in mind that there are 4 different airlines that fly to Harlingen on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Atlanta to Harlingen?

Flights connecting via Houston (HOU) have the shortest average one-way travel time: 4h 35m.

Which airport is the most popular layover for flights between Atlanta and Harlingen?

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Atlanta to Harlingen?

Houston (HOU) has the shortest average layover time for this route: 1h 03m.

Which layover airport offers the lowest fares from Atlanta to Harlingen?

Flights via Dallas (DFW) offer the lowest average round-trip price of $347.

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Harlingen Valley Intl?

Southwest and American Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to Harlingen Valley Intl

When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport?

Prices for flights from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport were last updated today.

How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport?

The number of operators available for flights from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport is 2 as of October 2026.

How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport.

What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

The required travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Harlingen Valley Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$150 Cheap Flights from Atlanta to Harlingen in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Atlanta to Harlingen

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Enter your travel dates to find the best prices.

3:50 pm - 8:45 pmATL Atlanta Hartsfield-Jackson-HRL Harlingen Valley Intl

5h 55m1 stop Austin Bergstrom

4:30 pm - 9:40 pmHRL Harlingen Valley Intl-ATL Atlanta Hartsfield-Jackson

4h 10m1 stop Houston Hobby

$289Southwest

Thu, Dec 3 - Wed, Dec 9

8:15 am - 3:50 pmATL Atlanta Hartsfield-Jackson-HRL Harlingen Valley Intl

8h 35m2 stops Austin Bergstrom Houston Hobby

4:30 pm - 9:40 pmHRL Harlingen Valley Intl-ATL Atlanta Hartsfield-Jackson

4h 10m1 stop Houston Hobby

$294Southwest

Thu, Dec 3 - Wed, Dec 9

9:20 am - 4:01 pmATL Atlanta Hartsfield-Jackson-HRL Harlingen Valley Intl

7h 41m1 stop Houston George Bush Intcntl

2:00 pm - 9:15 pmHRL Harlingen Valley Intl-ATL Atlanta Hartsfield-Jackson

6h 15m1 stop Houston George Bush Intcntl

$314United Airlines

Thu, Nov 19 - Tue, Dec 1

7:00 am - 11:14 amATL Atlanta Hartsfield-Jackson-HRL Harlingen Valley Intl

5h 14m1 stop Houston George Bush Intcntl

7:15 am - 3:01 pmHRL Harlingen Valley Intl-ATL Atlanta Hartsfield-Jackson

6h 46m1 stop Houston George Bush Intcntl

$319United Airlines

Thu, Dec 10 - Sun, Dec 13

6:00 am - 10:55 amATL Atlanta Hartsfield-Jackson-HRL Harlingen Valley Intl

5h 55m2 stops Dallas Love Field Austin Bergstrom

12:50 pm - 9:20 pmHRL Harlingen Valley Intl-ATL Atlanta Hartsfield-Jackson

7h 30m2 stops Houston Hobby Dallas Love Field

$339Southwest

Thu, Dec 3 - Wed, Dec 9

7:00 am - 1:21 pmATL Atlanta Hartsfield-Jackson-HRL Harlingen Valley Intl

7h 21m1 stop Houston George Bush Intcntl

12:00 pm - 5:44 pmHRL Harlingen Valley Intl-ATL Atlanta Hartsfield-Jackson

4h 44m1 stop Houston George Bush Intcntl

$345United Airlines

Thu, Nov 26 - Thu, Dec 3

3:50 pm - 8:45 pmATL Atlanta Hartsfield-Jackson-HRL Harlingen Valley Intl

5h 55m1 stop Austin Bergstrom

11:25 am - 6:40 pmHRL Harlingen Valley Intl-ATL Atlanta Hartsfield-Jackson

6h 15m1 stop Dallas Love Field

$349Southwest

Thu, Dec 31 - Wed, Jan 6

5:29 pm - 10:59 pmATL Atlanta Hartsfield-Jackson-HRL Harlingen Valley Intl

6h 30m1 stop Dallas/Fort Worth

2:26 pm - 8:40 pmHRL Harlingen Valley Intl-ATL Atlanta Hartsfield-Jackson

5h 14m1 stop Dallas/Fort Worth

$422American Airlines

Mon, Nov 9 - Fri, Nov 13

5:29 pm - 10:59 pmATL Atlanta Hartsfield-Jackson-HRL Harlingen Valley Intl

6h 30m1 stop Dallas/Fort Worth

2:26 pm - 11:55 pmHRL Harlingen Valley Intl-ATL Atlanta Hartsfield-Jackson

8h 29m2 stops Dallas/Fort Worth Charlotte Douglas

$427American Airlines

Mon, Nov 9 - Fri, Nov 13

4:11 pm - 10:59 pmATL Atlanta Hartsfield-Jackson-HRL Harlingen Valley Intl

7h 48m1 stop Dallas/Fort Worth

2:26 pm - 11:58 pmHRL Harlingen Valley Intl-ATL Atlanta Hartsfield-Jackson

8h 32m2 stops Dallas/Fort Worth Miami

$427American Airlines

Mon, Nov 9 - Fri, Nov 13

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United Airlines flights from Atlanta to Harlingen

Our best United Airlines deals on Atlanta to Harlingen flight tickets

United Airlines

Nov 19

ATL9:20 amAtlanta Hartsfield-Jackson

7h 41m

1 stop

HRL4:01 pmHarlingen Valley Intl

Dec 1

HRL2:00 pmHarlingen Valley Intl

6h 15m

1 stop

ATL9:15 pmAtlanta Hartsfield-Jackson

$314

United Airlines

Dec 10

ATL7:00 amAtlanta Hartsfield-Jackson

5h 14m

1 stop

HRL11:14 amHarlingen Valley Intl

Dec 13

HRL7:15 amHarlingen Valley Intl

6h 46m

1 stop

ATL3:01 pmAtlanta Hartsfield-Jackson

$319

United Airlines

Nov 26

ATL7:00 amAtlanta Hartsfield-Jackson

7h 21m

1 stop

HRL1:21 pmHarlingen Valley Intl

Dec 3

HRL12:00 pmHarlingen Valley Intl

4h 44m

1 stop

ATL5:44 pmAtlanta Hartsfield-Jackson

$345

American Airlines flights from Atlanta to Harlingen

Our best American Airlines deals on Atlanta to Harlingen flight tickets

American Airlines

Nov 9

ATL5:29 pmAtlanta Hartsfield-Jackson

6h 30m

1 stop

HRL10:59 pmHarlingen Valley Intl

Nov 13

HRL2:26 pmHarlingen Valley Intl

5h 14m

1 stop

ATL8:40 pmAtlanta Hartsfield-Jackson

$422

American Airlines

Nov 9

ATL4:11 pmAtlanta Hartsfield-Jackson

7h 48m

1 stop

HRL10:59 pmHarlingen Valley Intl

Nov 13

HRL2:26 pmHarlingen Valley Intl

8h 32m

2 stops

ATL11:58 pmAtlanta Hartsfield-Jackson

$427

American Airlines

Nov 9

ATL5:29 pmAtlanta Hartsfield-Jackson

6h 30m

1 stop

HRL10:59 pmHarlingen Valley Intl

Nov 13

HRL2:26 pmHarlingen Valley Intl

5h 14m

1 stop

ATL8:40 pmAtlanta Hartsfield-Jackson

$443

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

AtlantaHarlingen

ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl

ATLHRL

Atlanta Hartsfield-Jackson

Thu 12/3

3:50 pm-8:45 pm

1 stop5h 55m

Harlingen Valley Intl

Wed 12/9

4:30 pm-9:40 pm

1 stop4h 10m

$289

AtlantaHarlingen

ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl

ATLHRL

Atlanta Hartsfield-Jackson

Thu 12/3

8:15 am-3:50 pm

2 stops8h 35m

Harlingen Valley Intl

Wed 12/9

4:30 pm-9:40 pm

1 stop4h 10m

$294

AtlantaHarlingen

ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl

ATLHRL

Atlanta Hartsfield-Jackson

Thu 11/19

9:20 am-4:01 pm

1 stop7h 41m

Harlingen Valley Intl

Tue 12/1

2:00 pm-9:15 pm

1 stop6h 15m

$314

AtlantaHarlingen

ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl

ATLHRL

Atlanta Hartsfield-Jackson

Thu 12/10

7:00 am-11:14 am

1 stop5h 14m

Harlingen Valley Intl

Sun 12/13

7:15 am-3:01 pm

1 stop6h 46m

$319

AtlantaHarlingen

ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl

ATLHRL

Atlanta Hartsfield-Jackson

Thu 12/3

6:00 am-10:55 am

2 stops5h 55m

Harlingen Valley Intl

Wed 12/9

12:50 pm-9:20 pm

2 stops7h 30m

$339

AtlantaHarlingen

ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl

ATLHRL

Atlanta Hartsfield-Jackson

Thu 11/26

7:00 am-1:21 pm

1 stop7h 21m

Harlingen Valley Intl

Thu 12/3

12:00 pm-5:44 pm

1 stop4h 44m

$345

AtlantaHarlingen

ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl

ATLHRL

Atlanta Hartsfield-Jackson

Thu 12/31

3:50 pm-8:45 pm

1 stop5h 55m

Harlingen Valley Intl

Wed 1/6

11:25 am-6:40 pm

1 stop6h 15m

$349

AtlantaHarlingen

ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl

ATLHRL

Atlanta Hartsfield-Jackson

Mon 11/9

5:29 pm-10:59 pm

1 stop6h 30m

Harlingen Valley Intl

Fri 11/13

2:26 pm-8:40 pm

1 stop5h 14m

$422

AtlantaHarlingen

ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl

ATLHRL

Atlanta Hartsfield-Jackson

Mon 11/9

5:29 pm-10:59 pm

1 stop6h 30m

Harlingen Valley Intl

Fri 11/13

2:26 pm-11:55 pm

2 stops8h 29m

$427

AtlantaHarlingen

ATL Atlanta Hartsfield-Jackson - HRL Harlingen Valley Intl

ATLHRL

Atlanta Hartsfield-Jackson

Mon 11/9

4:11 pm-10:59 pm

1 stop7h 48m

Harlingen Valley Intl

Fri 11/13

2:26 pm-11:58 pm

2 stops8h 32m

$427

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Atlanta to Harlingen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Atlanta and Harlingen?

Prices are currently low for flights on this route.

Typical prices usually range from $403 to $448.
The lowest price recently found on this route was $289.

What is the cheapest month to fly to Harlingen?

If you aren’t able to travel during the month of September, then book flights to Harlingen from Atlanta during June instead. Flights to Harlingen in June, while not as cheap as those in September, still average around $386.

How have Atlanta to Harlingen flight prices changed over time?

When to book flights from Atlanta to Harlingen

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to Harlingen according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Atlanta to Harlingen (ATL to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Harlingen

Best Price Found	$150
Fastest flight time	4h 40m
Direct flights	None

The best one-way flight to Harlingen from Atlanta in the past 72 hours is $150. The best round-trip flight deal from Atlanta to Harlingen found on momondo in the last 72 hours is $289.

The fastest flight from Atlanta to Harlingen takes 4h 40m

There are no direct flights from Atlanta to Harlingen. There are no popular flight routes from Atlanta to Harlingen.

Search flight deals

Frequently asked questions about flying from Atlanta to Harlingen

How far is Atlanta Hartsfield-Jackson to Harlingen Valley Intl by plane?
A flight from Atlanta Hartsfield-Jackson to Harlingen Valley Intl will travel around 950.7 mi. 4h 40m is a normal flight duration for this route.
When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport?
Prices for flights from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport were last updated today.
How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport?
The number of operators available for flights from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport is 2 as of October 2026.
How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Atlanta Hartsfield-Jackson Airport to Harlingen Valley Intl Airport.
What documentation or ID do you need to fly to Harlingen Valley Intl Airport?
The required travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Harlingen Valley Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Atlanta to Harlingen?
momondo data reveals that the most frequently booked airline on the route from Atlanta to Harlingen is Southwest, representing 70% of all bookings. The subsequent popular airline is United Airlines at 30%.

Best airlines flying from Atlanta to Harlingen

Compare and see reviews for airlines that fly from Atlanta to Harlingen with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $259	Free Cancellation	Rating 7.3 10,453 reviews		Search United Airlines flights
Southwest	PriceFrom $336	Free Cancellation	Rating 7.9 4,217 reviews		Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Harlingen?

It is quick and easy to find Atlanta to Harlingen flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Harlingen that suits you.

Can I find flights from Atlanta to Harlingen with flexible booking policies on momondo?

Flights from Atlanta to Harlingen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Atlanta to Harlingen?

momondo helps you find the best flight between Atlanta and Harlingen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Atlanta to Harlingen right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Atlanta to Harlingen flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Atlanta to Harlingen from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Harlingen departing on 12/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Atlanta to Harlingen

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American Airlines flights from Atlanta to Harlingen

Our best American Airlines deals on Atlanta to Harlingen flight tickets

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How to get the cheapest flight ticket from Atlanta to Harlingen

What is the typical price of a round-trip flight between Atlanta and Harlingen?

What is the cheapest month to fly to Harlingen?

How have Atlanta to Harlingen flight prices changed over time?

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Harlingen Valley Intl?

What airlines fly to Harlingen?

Which airport is the most popular layover for flights between Atlanta and Harlingen?

Which layover airport offers the lowest fares from Atlanta to Harlingen?

Which layover airport has the shortest travel time from Atlanta to Harlingen?

Which layover airport has the shortest connection time from Atlanta to Harlingen?

When to book flights from Atlanta to Harlingen

Cheap Atlanta to Harlingen (ATL to HRL) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Atlanta to Harlingen

Best airlines flying from Atlanta to Harlingen

Compare and see reviews for airlines that fly from Atlanta to Harlingen with momondo

Why use momondo?

An easier way to manage your Harlingen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to Harlingen

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Harlingen

List of cabin classes available on flights landing in Harlingen. Availability may vary depending on flight origin and airline.

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