What is the cheapest airline that flies from Harlingen Valley Intl to South Carolina?

United Airlines is the most popular carrier operating from Harlingen Valley Intl to South Carolina

When did momondo last update prices for flights from Harlingen Valley Intl Airport to South Carolina?

Prices for flights from Harlingen Valley Intl Airport to South Carolina refresh daily.

How old do you have to be to fly from Harlingen Valley Intl Airport to South Carolina?

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 Harlingen Valley Intl Airport to South Carolina.

What documentation or ID do you need to fly to South Carolina?

The travel and health documents required for your trip to South Carolina can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at South Carolina. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$300 Cheap Flights from Harlingen to South Carolina in 2026/27

Find the cheapest flights from Harlingen to South Carolina

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:47 pm - 10:41 pmHRL Harlingen Valley Intl-CHS Charleston

6h 54m1 stop Dallas/Fort Worth

4:20 pm - 10:51 pmCHS Charleston-HRL Harlingen Valley Intl

7h 31m1 stop Dallas/Fort Worth

$370American Airlines

Tue, Apr 6 - Thu, Apr 8

7:15 am - 5:35 pmHRL Harlingen Valley Intl-CHS Charleston

9h 20m2 stops Austin Bergstrom Dallas Love Field

1:00 pm - 5:00 pmCHS Charleston-HRL Harlingen Valley Intl

5h 00m1 stop Austin Bergstrom

$404Southwest

Tue, Apr 6 - Thu, Apr 8

7:15 am - 4:10 pmHRL Harlingen Valley Intl-CHS Charleston

7h 55m2 stops Austin Bergstrom Nashville Intl

10:55 am - 7:15 pmCHS Charleston-HRL Harlingen Valley Intl

9h 20m2 stops Nashville Intl Dallas Love Field

$438Southwest

Tue, Apr 6 - Thu, Apr 8

9:20 am - 4:12 pmHRL Harlingen Valley Intl-CHS Charleston

5h 52m1 stop Houston George Bush Intcntl

6:05 am - 3:34 pmCHS Charleston-HRL Harlingen Valley Intl

10h 29m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$503United Airlines

Sat, Apr 3 - Sat, May 1

5:05 am - 4:56 pmHRL Harlingen Valley Intl-GSP Greenville

10h 51m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

5:40 am - 4:01 pmGSP Greenville-HRL Harlingen Valley Intl

11h 21m2 stops Newark Houston George Bush Intcntl

$519United Airlines

Tue, Nov 10 - Wed, Nov 11

11:15 am - 7:20 pmHRL Harlingen Valley Intl-CHS Charleston

7h 05m1 stop Austin Bergstrom

12:50 pm - 10:55 pmCHS Charleston-HRL Harlingen Valley Intl

11h 05m1 stop Austin Bergstrom

$519Southwest

Fri, Mar 26 - Mon, Mar 29

5:05 am - 4:56 pmHRL Harlingen Valley Intl-GSP Greenville

10h 51m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

10:26 am - 7:47 pmGSP Greenville-HRL Harlingen Valley Intl

10h 21m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

$525United Airlines

Tue, Nov 10 - Wed, Nov 11

11:15 am - 7:20 pmHRL Harlingen Valley Intl-CHS Charleston

7h 05m1 stop Austin Bergstrom

6:20 am - 2:50 pmCHS Charleston-HRL Harlingen Valley Intl

9h 30m2 stops Nashville Intl Austin Bergstrom

$529Southwest

Fri, Mar 26 - Mon, Mar 29

5:05 am - 4:56 pmHRL Harlingen Valley Intl-GSP Greenville

10h 51m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

10:26 am - 7:47 pmGSP Greenville-HRL Harlingen Valley Intl

10h 21m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

$531United Airlines

Tue, Nov 10 - Wed, Nov 11

9:20 am - 9:04 pmHRL Harlingen Valley Intl-CHS Charleston

10h 44m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

6:05 am - 3:34 pmCHS Charleston-HRL Harlingen Valley Intl

10h 29m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$531United Airlines

Sat, Apr 3 - Sat, May 1

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Southwest flights from Harlingen to South Carolina

Our best Southwest deals on Harlingen to South Carolina flight tickets

Southwest

Apr 6

HRL7:15 amHarlingen Valley Intl

9h 20m

2 stops

CHS5:35 pmCharleston

Apr 8

CHS1:00 pmCharleston

5h 00m

1 stop

HRL5:00 pmHarlingen Valley Intl

$404

Southwest

Apr 6

HRL7:15 amHarlingen Valley Intl

7h 55m

2 stops

CHS4:10 pmCharleston

Apr 8

CHS10:55 amCharleston

9h 20m

2 stops

HRL7:15 pmHarlingen Valley Intl

$438

Southwest

Mar 26

HRL11:15 amHarlingen Valley Intl

7h 05m

1 stop

CHS7:20 pmCharleston

Mar 29

CHS12:50 pmCharleston

11h 05m

1 stop

HRL10:55 pmHarlingen Valley Intl

$519

United Airlines flights from Harlingen to South Carolina

Our best United Airlines deals on Harlingen to South Carolina flight tickets

United Airlines

Apr 3

HRL9:20 amHarlingen Valley Intl

5h 52m

1 stop

CHS4:12 pmCharleston

May 1

CHS6:05 amCharleston

10h 29m

2 stops

HRL3:34 pmHarlingen Valley Intl

$503

United Airlines

Nov 10

HRL5:05 amHarlingen Valley Intl

10h 51m

2 stops

GSP4:56 pmGreenville

Nov 11

GSP5:40 amGreenville

11h 21m

2 stops

HRL4:01 pmHarlingen Valley Intl

$519

United Airlines

Nov 10

HRL5:05 amHarlingen Valley Intl

10h 51m

2 stops

GSP4:56 pmGreenville

Nov 11

GSP10:26 amGreenville

10h 21m

2 stops

HRL7:47 pmHarlingen Valley Intl

$525

momondo Fare Finder

Use the filters below to find and compare flights from Harlingen to South Carolina that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenCharleston

HRL Harlingen Valley Intl - CHS Charleston

HRLCHS

Harlingen Valley Intl

Tue 4/6

2:47 pm-10:41 pm

1 stop6h 54m

Charleston

Thu 4/8

4:20 pm-10:51 pm

1 stop7h 31m

$370

Quickest round-trip

HarlingenCharleston

HRL Harlingen Valley Intl - CHS Charleston

HRLCHS

Harlingen Valley Intl

Tue 4/6

7:15 am-5:35 pm

2 stops9h 20m

Charleston

Thu 4/8

1:00 pm-5:00 pm

1 stop5h 00m

$404

HarlingenCharleston

HRL Harlingen Valley Intl - CHS Charleston

HRLCHS

Harlingen Valley Intl

Tue 4/6

7:15 am-4:10 pm

2 stops7h 55m

Charleston

Thu 4/8

10:55 am-7:15 pm

2 stops9h 20m

$438

HarlingenCharleston

HRL Harlingen Valley Intl - CHS Charleston

HRLCHS

Harlingen Valley Intl

Sat 4/3

9:20 am-4:12 pm

1 stop5h 52m

Charleston

Sat 5/1

6:05 am-3:34 pm

2 stops10h 29m

$503

HarlingenGreenville

HRL Harlingen Valley Intl - GSP Greenville

HRLGSP

Harlingen Valley Intl

Tue 11/10

5:05 am-4:56 pm

2 stops10h 51m

Greenville

Wed 11/11

5:40 am-4:01 pm

2 stops11h 21m

$519

HarlingenCharleston

HRL Harlingen Valley Intl - CHS Charleston

HRLCHS

Harlingen Valley Intl

Fri 3/26

11:15 am-7:20 pm

1 stop7h 05m

Charleston

Mon 3/29

12:50 pm-10:55 pm

1 stop11h 05m

$519

HarlingenGreenville

HRL Harlingen Valley Intl - GSP Greenville

HRLGSP

Harlingen Valley Intl

Tue 11/10

5:05 am-4:56 pm

2 stops10h 51m

Greenville

Wed 11/11

10:26 am-7:47 pm

2 stops10h 21m

$525

HarlingenCharleston

HRL Harlingen Valley Intl - CHS Charleston

HRLCHS

Harlingen Valley Intl

Fri 3/26

11:15 am-7:20 pm

1 stop7h 05m

Charleston

Mon 3/29

6:20 am-2:50 pm

2 stops9h 30m

$529

HarlingenGreenville

HRL Harlingen Valley Intl - GSP Greenville

HRLGSP

Harlingen Valley Intl

Tue 11/10

5:05 am-4:56 pm

2 stops10h 51m

Greenville

Wed 11/11

10:26 am-7:47 pm

2 stops10h 21m

$531

HarlingenCharleston

HRL Harlingen Valley Intl - CHS Charleston

HRLCHS

Harlingen Valley Intl

Sat 4/3

9:20 am-9:04 pm

2 stops10h 44m

Charleston

Sat 5/1

6:05 am-3:34 pm

2 stops10h 29m

$531

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Harlingen to South Carolina

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

Can stopping save me money on Harlingen to South Carolina flights?

You could potentially save up to 13% on your flight if you consider stops on a Harlingen to South Carolina flight.

Cheap Harlingen to South Carolina flight deals and tips

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

Best Price Found	$300
Fastest flight time	6h 52m
Direct flights	None

The best one-way flight to South Carolina from Harlingen in the past 72 hours is $300. The best round-trip flight deal from Harlingen to South Carolina found on momondo in the last 72 hours is $370.

The fastest flight from Harlingen to South Carolina takes 6h 52m

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

Search flight deals

Frequently asked questions about flying from Harlingen to South Carolina

When did momondo last update prices for flights from Harlingen Valley Intl Airport to South Carolina?
Prices for flights from Harlingen Valley Intl Airport to South Carolina refresh daily.
How old do you have to be to fly from Harlingen Valley Intl Airport to South Carolina?
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 Harlingen Valley Intl Airport to South Carolina.
What documentation or ID do you need to fly to South Carolina?
The travel and health documents required for your trip to South Carolina can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at South Carolina. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Harlingen to South Carolina. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to South Carolina from Harlingen which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Harlingen to South Carolina?

Once you have performed a search for Harlingen to South Carolina flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to South Carolina from Harlingen are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.