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$986+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ICN
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
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 February 4, 2026.

This United Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 2/215:22 pm
HRL
-
ICN
2 stops45h 18m
United Airlines
Wed 2/2512:45 pm
ICN
-
HRL
2 stops24h 14m
United Airlines
Deal found 2/1$986
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/174:02 pm
HRL
-
ICN
1 stop35h 18m
Delta
Sun 4/267:40 pm
ICN
-
HRL
1 stop33h 25m
Delta
Deal found 2/2$1,182
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:20 am
HRL
-
ICN
2 stops29h 00m
United Airlines
Sun 4/264:50 pm
ICN
-
HRL
2 stops37h 14m
United Airlines
Deal found 2/2$1,194
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 5/307:15 am
HRL
-
ICN
2 stops31h 05m
United Airlines
Mon 6/154:50 pm
ICN
-
HRL
2 stops34h 24m
United Airlines
Deal found 2/3$1,653
This Korean Air deal was found by Cheapflights users on 2/3. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
HRL
-
ICN
1 stop19h 45m
Multiple Airlines
Mon 6/155:40 pm
ICN
-
HRL
1 stop20h 19m
Multiple Airlines
Deal found 2/3$1,685
This Qatar Airways deal was found by Cheapflights users on 2/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:47 pm
HRL
-
ICN
2 stops37h 18m
Multiple Airlines
Sun 4/261:40 pm
ICN
-
HRL
3 stops38h 37m
Multiple Airlines
Deal found 2/2$2,012

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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$986
(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 February 4, 2026.
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

Sat 2/21

5:22 pm-5:40 am

2 stops45h 18m

Incheon Intl

Wed 2/25

12:45 pm-9:59 pm

2 stops24h 14m

$986

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Fri 4/17

4:02 pm-5:20 pm

1 stop35h 18m

Incheon Intl

Sun 4/26

7:40 pm-3:05 pm

1 stop33h 25m

$1,182

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Fri 4/17

9:20 am-4:20 am

2 stops29h 00m

Incheon Intl

Sun 4/26

4:50 pm-4:04 pm

2 stops37h 14m

$1,194

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 5/30

7:15 am-4:20 am

2 stops31h 05m

Incheon Intl

Mon 6/15

4:50 pm-1:14 pm

2 stops34h 24m

$1,653

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 5/30

6:00 am-3:45 pm

1 stop19h 45m

Incheon Intl

Mon 6/15

5:40 pm-11:59 pm

1 stop20h 19m

$1,685

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Fri 4/17

2:47 pm-6:05 pm

2 stops37h 18m

Incheon Intl

Sun 4/26

1:40 pm-2:17 pm

3 stops38h 37m

$2,012

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

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 February 4, 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
9,236 reviews

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 35h 18m. 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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Alternative routes for Harlingen to South Korea

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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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$870Average$950FlexibilityNo cancel feeOn-time69%

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