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$750+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ICN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 12/215:20 pmHRL - ICN
2 stops31h 55mUnited Airlines
Wed 12/3112:45 pmICN - HRL
2 stops37h 28mUnited Airlines
Deal found 12/16$1,906
This Korean Air deal was found by Cheapflights users on 12/16. 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.
Sun 12/213:15 pmHRL - ICN
1 stop33h 15mMultiple Airlines
Wed 12/317:30 pmICN - HRL
1 stop33h 50mMultiple Airlines
Deal found 12/16$2,417
This Delta deal was found by Cheapflights users on 12/16. 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.
Sun 12/213:15 pmHRL - ICN
2 stops33h 40mDelta
Wed 12/317:30 pmICN - HRL
1 stop33h 50mDelta
Deal found 12/16$3,168

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$750
(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 December 18, 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

Sun 1/18

5:25 pm-4:15 pm

2 stops31h 50m

Incheon Intl

Thu 1/22

6:00 pm-9:59 pm

2 stops18h 59m

$750

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 December 18, 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
9,091 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 31h 50m. Airlines will cover a distance of 7184 mi.

  • 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$870Average$950FlexibilityNo cancel feeOn-time69%

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