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$1,071+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ICN
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
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 March 22, 2026.

This United Airlines deal was found by Cheapflights users on 3/17. 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 4/197:00 am
HRL
-
ICN
2 stops31h 20m
United Airlines
Wed 4/2211:30 am
ICN
-
HRL
2 stops22h 10m
United Airlines
Deal found 3/17$1,071
This United Airlines deal was found by Cheapflights users on 3/18. 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 4/177:00 am
HRL
-
ICN
2 stops31h 20m
United Airlines
Fri 4/244:50 pm
ICN
-
HRL
2 stops32h 33m
United Airlines
Deal found 3/18$1,166
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Wed 9/92:00 pm
HRL
-
ICN
2 stops24h 20m
United Airlines
Sun 9/134:50 pm
ICN
-
HRL
2 stops36h 44m
United Airlines
Deal found 3/20$1,208
This Delta deal was found by Cheapflights users on 3/18. 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
Fri 4/247:00 pm
ICN
-
HRL
2 stops34h 05m
Delta
Deal found 3/18$1,436
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Wed 5/2012:10 pm
HRL
-
ICN
2 stops26h 10m
United Airlines
Mon 6/1511:30 am
ICN
-
HRL
2 stops40h 00m
United Airlines
Deal found 3/19$1,725
This American Airlines deal was found by Cheapflights users on 3/19. 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.
Wed 5/206:00 am
HRL
-
ICN
1 stop19h 45m
American Airlines
Mon 6/155:50 pm
ICN
-
HRL
1 stop20h 24m
American Airlines
Deal found 3/19$1,750
This Qatar Airways deal was found by Cheapflights users on 3/19. 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.
Wed 5/206:00 am
HRL
-
ICN
2 stops38h 30m
Multiple Airlines
Mon 6/153:10 pm
ICN
-
HRL
3 stops39h 15m
Multiple Airlines
Deal found 3/19$2,478
This Air Canada deal was found by Cheapflights users on 3/18. 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.
Fri 4/177:00 am
HRL
-
ICN
2 stops43h 05m
Air Canada
Fri 4/247:05 pm
ICN
-
HRL
2 stops34h 59m
Air Canada
Deal found 3/18$8,410
This BusinessClass deal was found by Cheapflights users on 3/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/219:20 am
HRL
-
ICN
2 stops29h 20m
Asiana Airlines
Fri 3/2711:45 am
ICN
-
HRL
2 stops22h 11m
Asiana Airlines
Deal found 3/20$11,361

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,071
(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 March 22, 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

Sun 4/19

7:00 am-4:20 am

2 stops31h 20m

Incheon Intl

Wed 4/22

11:30 am-7:40 pm

2 stops22h 10m

$1,071

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Fri 4/17

7:00 am-4:20 am

2 stops31h 20m

Incheon Intl

Fri 4/24

4:50 pm-11:23 am

2 stops32h 33m

$1,166

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Wed 9/9

2:00 pm-4:20 am

2 stops24h 20m

Incheon Intl

Sun 9/13

4:50 pm-3:34 pm

2 stops36h 44m

$1,208
Quickest round-trip

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Wed 5/20

6:00 am-3:45 pm

1 stop19h 45m

Incheon Intl

Mon 6/15

5:50 pm-12:14 am

1 stop20h 24m

$1,750

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Wed 5/20

6:00 am-10:30 am

2 stops38h 30m

Incheon Intl

Mon 6/15

3:10 pm-4:25 pm

3 stops39h 15m

$2,478

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Fri 4/17

7:00 am-4:05 pm

2 stops43h 05m

Incheon Intl

Fri 4/24

7:05 pm-4:04 pm

2 stops34h 59m

$8,410

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

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 March 22, 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
9,455 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

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
9,455 reviews
United Airlines
7.4
Good
9,455 reviews

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

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 31h 20m. 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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$870Average$950FlexibilityNo cancel feeOn-time69%

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