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$851+ Cheap flights from Harlingen, TX (HRL) to South Korea

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ICN
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheap flight deals from Harlingen to South Korea

Keep the following information in mind while searching for Harlingen to South Korea flight deals. Data was last updated November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$851
(United Airlines)
Provider with most accurate pricing for Harlingen Valley Intl-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harlingen Valley Intl-Seoul (SEL) flights.
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From Harlingen Valley Intl to South Korea
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Find flight deals from Harlingen to South Korea

Cheapest flights from Harlingen to South Korea
Explore the most affordable flight options available from Harlingen to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

This American Airlines deal was found by Cheapflights users on 11/3. 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 12/25:40 amHRL - ICN
1 stop20h 05mAmerican Airlines
Wed 12/107:15 pmICN - HRL
1 stop18h 56mAmerican Airlines
Deal found 11/3$1,043
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/29:20 amHRL - ICN
2 stops29h 20mUnited Airlines
Wed 12/106:00 pmICN - HRL
2 stops32h 04mUnited Airlines
Deal found 11/3$1,075
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:11 pmHRL - ICN
2 stops38h 04mQatar Airways
Tue 12/912:20 amICN - HRL
2 stops54h 09mQatar Airways
Deal found 11/2$1,937
This Qatar Airways deal was found by Cheapflights users on 11/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:13 amHRL - ICN
2 stops40h 02mMultiple Airlines
Wed 12/103:00 pmICN - HRL
3 stops43h 30mMultiple Airlines
Deal found 11/3$2,314
This Delta deal was found by Cheapflights users on 11/3. 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 11/83:39 pmHRL - ICN
1 stop32h 51mDelta
Wed 11/127:30 pmICN - HRL
1 stop34h 13mDelta
Deal found 11/3$2,398
This Delta deal was found by Cheapflights users on 11/3. 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.
Fri 11/73:39 pmHRL - ICN
2 stops33h 51mDelta
Wed 11/128:05 pmICN - HRL
2 stops33h 38mDelta
Deal found 11/3$2,553
This Justfly.com deal was found by Cheapflights users on 11/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:00 amHRL - ICN
2 stops45h 10mAir Canada
Wed 11/126:55 pmICN - HRL
2 stops41h 59mAir Canada
Deal found 11/3$3,941
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 11/75:40 amHRL - ICN
1 stop20h 05mAmerican Airlines
Wed 11/127:15 pmICN - HRL
1 stop31h 23mAmerican Airlines
Deal found 11/3$8,509

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to South Korea 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 November 4, 2025.
Use the filters below to find and compare flights from Harlingen to South Korea that are best for you.

Fly from

Harlingen

Fly to

South Korea

Route

Depart

Return

Price

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 2/16

12:10 pm-5:40 am

2 stops26h 30m

Incheon Intl

Thu 2/19

12:45 pm-7:58 pm

2 stops22h 13m

$851

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 12/2

5:40 am-4:45 pm

1 stop20h 05m

Incheon Intl

Wed 12/10

7:15 pm-11:11 pm

1 stop18h 56m

$1,043

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sun 1/11

5:25 pm-4:15 pm

2 stops31h 50m

Incheon Intl

Sun 1/18

12:45 pm-11:26 am

2 stops37h 41m

$1,072

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 12/2

7:00 am-5:40 am

2 stops31h 40m

Incheon Intl

Wed 12/10

6:00 pm-9:49 pm

2 stops18h 49m

$1,075

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sun 1/11

6:44 pm-4:45 pm

1 stop31h 01m

Incheon Intl

Sun 1/18

7:15 pm-11:21 pm

1 stop19h 06m

$1,366

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 2/16

6:00 am-4:45 pm

1 stop19h 45m

Incheon Intl

Thu 2/19

6:50 pm-7:37 pm

1 stop15h 47m

$1,414

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sun 1/11

6:44 pm-5:15 pm

2 stops31h 31m

Incheon Intl

Sat 1/17

12:20 am-6:14 pm

2 stops32h 54m

$1,878

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 12/2

12:11 pm-5:15 pm

2 stops38h 04m

Incheon Intl

Tue 12/9

12:20 am-3:29 pm

2 stops54h 09m

$1,937

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Best time to book a flight from Harlingen to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Harlingen with our price prediction graph.
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 Harlingen to South Korea
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated November 4, 2025.
Get a feel of what it's like to fly with United Airlines from Harlingen to South Korea by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,002 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,002 reviews
United Airlines
7.4
Good
9,002 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Harlingen to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Harlingen to South Korea?

    If you book a flight to South Korea from Harlingen, you will be flying from Valley Intl, which is the city’s only airport. Harlingen Valley Intl (HRL) is located 3.7 mi from the center of Harlingen.

  • How long is the flight from Harlingen, Texas to South Korea?

    Departing from Harlingen, Texas to South Korea will take you 20h 05m. Airlines will cover a distance of 7184 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Harlingen to South Korea that include hotel bookings?

    Yes. In addition to deals on Harlingen to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harlingen to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to South Korea.

  • Can I find deals for business class flights from Harlingen to South Korea?

    Yes. Cheapflights offers flight deals from Harlingen to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Harlingen to South Korea

Discover the top airline that operate flights from Harlingen to South Korea. 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$870Average$950FlexibilityNo cancel feeOn-time69%

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