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$1,379+ Cheap flights from Harlingen (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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ICN
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
1 adult, Economy
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Cheap 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 May 9, 2026.

This United Airlines deal was found by Cheapflights users on 5/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:27 am
HRL
-
ICN
2 stops31h 13m
United Airlines
Fri 11/66:30 pm
ICN
-
HRL
2 stops31h 29m
United Airlines
Deal found 5/7$1,379
This United Airlines deal was found by Cheapflights users on 5/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:18 pm
HRL
-
ICN
2 stops31h 42m
United Airlines
Thu 5/1411:30 am
ICN
-
HRL
2 stops24h 29m
United Airlines
Deal found 5/7$1,539
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 11/312:11 pm
HRL
-
ICN
2 stops38h 04m
Qatar Airways
Thu 11/512:20 am
ICN
-
HRL
2 stops34h 10m
Qatar Airways
Deal found 5/5$1,832
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Sun 5/1010:47 am
HRL
-
ICN
1 stop38h 58m
American Airlines
Fri 5/155:50 pm
ICN
-
HRL
1 stop19h 01m
American Airlines
Deal found 5/5$1,951
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Sun 5/1010:47 am
HRL
-
ICN
1 stop38h 58m
American Airlines
Thu 5/145:50 pm
ICN
-
HRL
1 stop19h 01m
American Airlines
Deal found 5/7$2,001
This Air Canada deal was found by Cheapflights users on 5/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:20 am
HRL
-
ICN
2 stops40h 45m
Multiple Airlines
Fri 5/157:05 pm
ICN
-
HRL
2 stops34h 59m
Multiple Airlines
Deal found 5/5$2,282
This Ovago deal was found by Cheapflights users on 5/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 am
HRL
-
ICN
1 stop19h 45m
Japan Airlines
Wed 7/155:50 pm
ICN
-
HRL
1 stop30h 22m
Japan Airlines
Deal found 5/5$2,369
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Thu 6/42:05 pm
HRL
-
ICN
2 stops24h 15m
United Airlines
Wed 7/1511:30 am
ICN
-
HRL
2 stops24h 24m
United Airlines
Deal found 5/5$2,375
This Qatar Airways deal was found by Cheapflights users on 5/5. 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.
Thu 6/48:04 pm
HRL
-
ICN
2 stops31h 26m
Multiple Airlines
Wed 7/1511:00 am
ICN
-
HRL
3 stops43h 23m
Multiple Airlines
Deal found 5/5$3,040
This Qatar Airways deal was found by Cheapflights users on 5/7. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1010:47 am
HRL
-
ICN
2 stops40h 43m
Multiple Airlines
Thu 5/1411:00 am
ICN
-
HRL
3 stops49h 51m
Multiple Airlines
Deal found 5/7$3,205

Find 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 May 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,379
(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.
Search Deals
From Harlingen Valley Intl to South Korea
Search Deals

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 May 9, 2026.
Use the filters below to find and compare flights from Harlingen to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 11/3

7:20 am-5:40 am

2 stops31h 20m

Incheon Intl

Fri 11/6

12:45 pm-7:32 pm

2 stops21h 47m

$1,379

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 11/3

12:11 pm-5:15 pm

2 stops38h 04m

Incheon Intl

Thu 11/5

12:20 am-7:30 pm

2 stops34h 10m

$1,832

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Thu 6/4

6:00 am-3:45 pm

1 stop19h 45m

Incheon Intl

Wed 7/15

5:50 pm-10:12 am

1 stop30h 22m

$2,369
Quickest round-trip

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Thu 6/4

2:05 pm-4:20 am

2 stops24h 15m

Incheon Intl

Wed 7/15

11:30 am-9:54 pm

2 stops24h 24m

$2,375

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Thu 6/4

8:04 pm-5:30 pm

2 stops31h 26m

Incheon Intl

Wed 7/15

11:00 am-4:23 pm

3 stops43h 23m

$3,040

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Sorted by cheapest first

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 May 9, 2026.
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
9,692 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,692 reviews
United Airlines
7.4
Good
9,692 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 to South Korea?

    A quick flight from Harlingen to South Korea can take about 31h 20m. United Airlines provides one of the quickest options available for as low as $1,379. There are 7184 mi between Harlingen and South Korea. 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

Browse thousands of different options on Cheapflights for your next trip

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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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$870Average$1,070FlexibilityNo cancel feeOn-time69%

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