What airlines fly to Harlingen, Texas?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Harlingen, Texas from Atlanta according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Harlingen, Texas. Keep in mind that there are 4 different airlines that fly to Harlingen, Texas on a routine basis, so you have a few additional options to choose from.

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 3 as of November 2025.

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.

$121 Cheap Flights from Atlanta to Harlingen in 2025/26

1 adult

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Find the cheapest flights from Atlanta to Harlingen

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 am - 11:40 amATL-HRL

7h 10m1 stop

6:10 pm - 11:53 pmHRL-ATL

4h 43m1 stop

$259American Airlines

Find Deal

Sat, Dec 6 - Sun, Dec 7

9:08 am - 5:39 pmATL-HRL

9h 31m2 stops

6:10 pm - 11:53 pmHRL-ATL

4h 43m1 stop

$264American Airlines

Find Deal

Sat, Dec 6 - Sun, Dec 7

5:00 pm - 11:21 pmATL-HRL

7h 21m1 stop

6:02 am - 11:51 amHRL-ATL

4h 49m1 stop

$298American Airlines

Find Deal

Tue, Jan 6 - Thu, Jan 8

11:02 am - 6:14 pmATL-HRL

8h 12m1 stop

6:02 am - 2:10 pmHRL-ATL

7h 08m2 stops

$303American Airlines

Find Deal

Tue, Jan 6 - Thu, Jan 8

7:25 am - 2:29 pmATL-HRL

8h 04m1 stop

3:00 pm - 11:59 pmHRL-ATL

7h 59m1 stop

$309Delta

Find Deal

Tue, Mar 10 - Wed, Mar 11

1:30 pm - 9:20 pmATL-HRL

8h 50m2 stops

6:50 am - 3:15 pmHRL-ATL

7h 25m2 stops

$376Southwest

Find Deal

Sat, Dec 6 - Sun, Dec 7

11:30 am - 9:44 pmATL-HRL

11h 14m2 stops

9:20 am - 9:12 pmHRL-ATL

10h 52m2 stops

$424United Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

7:40 pm - 11:55 pmATL-HRL

5h 15m1 stop

9:40 am - 9:20 pmHRL-ATL

10h 40m1 stop

$504Southwest

Find Deal

Fri, Dec 19 - Sun, Jan 4

11:01 am - 9:22 amATL-HRL

23h 21m2 stops

11:55 am - 8:03 amHRL-ATL

19h 08m3 stops

$888Multiple Airlines

Find Deal

Fri, Dec 19 - Sun, Jan 4

11:00 am - 9:22 amATL-HRL

23h 22m3 stops

11:55 am - 8:03 amHRL-ATL

19h 08m3 stops

$937Multiple Airlines

Find Deal

Fri, Dec 19 - Sun, Jan 4

American Airlines flights from Atlanta to Harlingen, Texas

Our best American Airlines deals on Atlanta to Harlingen, Texas flight tickets

American Airlines

Dec 6

ATL5:30 amAtlanta Hartsfield-Jackson

7h 10m

1 stop

HRL11:40 amHarlingen Valley Intl

Dec 7

HRL6:10 pmHarlingen Valley Intl

4h 43m

1 stop

ATL11:53 pmAtlanta Hartsfield-Jackson

$259

Find similar

American Airlines

Dec 6

ATL9:08 amAtlanta Hartsfield-Jackson

9h 31m

2 stops

HRL5:39 pmHarlingen Valley Intl

Dec 7

HRL6:10 pmHarlingen Valley Intl

4h 43m

1 stop

ATL11:53 pmAtlanta Hartsfield-Jackson

$264

Find similar

American Airlines

Jan 6

ATL5:00 pmAtlanta Hartsfield-Jackson

7h 21m

1 stop

HRL11:21 pmHarlingen Valley Intl

Jan 8

HRL6:02 amHarlingen Valley Intl

4h 49m

1 stop

ATL11:51 amAtlanta Hartsfield-Jackson

$298

Find similar

Southwest flights from Atlanta to Harlingen, Texas

Our best Southwest deals on Atlanta to Harlingen, Texas flight tickets

Southwest

Dec 6

ATL1:30 pmAtlanta Hartsfield-Jackson

8h 50m

2 stops

HRL9:20 pmHarlingen Valley Intl

Dec 7

HRL6:50 amHarlingen Valley Intl

7h 25m

2 stops

ATL3:15 pmAtlanta Hartsfield-Jackson

$376

Find similar

Southwest

Dec 19

ATL7:40 pmAtlanta Hartsfield-Jackson

5h 15m

1 stop

HRL11:55 pmHarlingen Valley Intl

Jan 4

HRL9:40 amHarlingen Valley Intl

10h 40m

1 stop

ATL9:20 pmAtlanta Hartsfield-Jackson

$504

Find similar

Southwest

Dec 19

ATL7:40 pmAtlanta Hartsfield-Jackson

5h 15m

1 stop

HRL11:55 pmHarlingen Valley Intl

Jan 3

HRL5:40 amHarlingen Valley Intl

4h 10m

1 stop

ATL10:50 amAtlanta Hartsfield-Jackson

$518

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 12/6

5:30 am-11:40 am

1 stop7h 10m

Harlingen Valley Intl

Sun 12/7

6:10 pm-11:53 pm

1 stop4h 43m

$259

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Sat 12/6

9:08 am-5:39 pm

2 stops9h 31m

Harlingen Valley Intl

Sun 12/7

6:10 pm-11:53 pm

1 stop4h 43m

$264

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Tue 1/6

5:00 pm-11:21 pm

1 stop7h 21m

Harlingen Valley Intl

Thu 1/8

6:02 am-11:51 am

1 stop4h 49m

$298

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-2:10 pm

2 stops7h 08m

$303

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

Sat 12/6

1:30 pm-9:20 pm

2 stops8h 50m

Harlingen Valley Intl

Sun 12/7

6:50 am-3:15 pm

2 stops7h 25m

$376

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Tue 3/10

11:30 am-9:44 pm

2 stops11h 14m

Harlingen Valley Intl

Wed 3/11

9:20 am-9:12 pm

2 stops10h 52m

$424

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Fri 12/19

7:40 pm-11:55 pm

1 stop5h 15m

Harlingen Valley Intl

Sun 1/4

9:40 am-9:20 pm

1 stop10h 40m

$504

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Fri 12/19

11:01 am-9:22 am

2 stops23h 21m

Harlingen Valley Intl

Sun 1/4

11:55 am-8:03 am

3 stops19h 08m

$888

AtlantaHarlingen

ATL - HRL

ATLHRL

Atlanta Hartsfield-Jackson

Fri 12/19

11:00 am-9:22 am

3 stops23h 22m

Harlingen Valley Intl

Sun 1/4

11:55 am-8:03 am

3 stops19h 08m

$937

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Atlanta to Harlingen, Texas

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

What is the cheapest month to fly to Harlingen, Texas?

The month of February is, on average, the cheapest month to fly to Harlingen, Texas from Atlanta, with most prices found around $221. If you are unable to visit Harlingen, Texas during the month of February, then departing from Atlanta during the month September is also very affordable. Most momondo users find prices during this month for around $247.

What is the cheapest day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Tuesday when prices can be found for as low as $273. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Atlanta to Harlingen, Texas for around $505.

What is the cheapest time of day to depart on your flight to Harlingen, Texas?

Our most recent data shows that the best time of day to fly to Harlingen, Texas is in the evening. Flights from Atlanta to Harlingen, Texas during this time can be as low as $366. Flights in the afternoon are often more expensive with an average ticket price of $656.

How have Atlanta to Harlingen, Texas flight prices changed over time?

When to book flights from Atlanta to Harlingen, Texas

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

Estimated round-trip price

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

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

Direct flights	None

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

Search flight deals

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. 5h 15m 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 3 as of November 2025.
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, Texas?
momondo data reveals that the most frequently booked airline on the route from Atlanta to Harlingen, Texas is Southwest, representing 42% of all bookings. The subsequent popular airlines are American Airlines at 28%, Delta at 17%, and United Airlines at 13%.

Best airlines flying from Atlanta to Harlingen, Texas

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $145	Free Cancellation	Rating 7.2 11,034 reviews	Search American Airlines flights
Delta	PriceFrom $148	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Southwest	PriceFrom $246	Free Cancellation	Rating 8.0 4,240 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.