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$418+ Cheap flights from Harlingen, TX (HRL) to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SEL
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from Harlingen to Seoul

Cheapest flights from Harlingen to Seoul
Explore the most affordable flight options available from Harlingen to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/16. 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.
Tue 12/29:20 amHRL - ICN
2 stops29h 20mUnited Airlines
Wed 12/106:00 pmICN - HRL
2 stops18h 54mUnited Airlines
Deal found 10/16$851
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/15$1,059
This American Airlines deal was found by Cheapflights users on 10/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/305:40 amHRL - ICN
1 stop20h 05mAmerican Airlines
Sun 12/77:15 pmICN - HRL
1 stop18h 36mAmerican Airlines
Deal found 10/16$1,115
This United Airlines deal was found by Cheapflights users on 10/16. 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 11/305:00 pmHRL - ICN
2 stops32h 15mUnited Airlines
Sun 12/712:45 pmICN - HRL
2 stops46h 04mUnited Airlines
Deal found 10/16$1,191
This oojo deal was found by Cheapflights users on 10/15. 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 12/210:13 amHRL - ICN
2 stops40h 02mQatar Airways
Tue 12/912:20 amICN - HRL
2 stops37h 51mQatar Airways
Deal found 10/15$1,580
This Qatar Airways deal was found by Cheapflights users on 10/16. 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 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 10/16$1,863
This oojo deal was found by Cheapflights users on 10/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/308:02 pmHRL - ICN
2 stops30h 13mQatar Airways
Sat 12/612:20 amICN - HRL
2 stops54h 09mQatar Airways
Deal found 10/16$1,983
This Qatar Airways deal was found by Cheapflights users on 10/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/308:02 pmHRL - ICN
2 stops30h 13mMultiple Airlines
Sun 12/710:00 amICN - HRL
3 stops44h 29mMultiple Airlines
Deal found 10/16$2,497

Cheap flight deals from Harlingen to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$851
(United Airlines)

One-way from

$418
(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 Seoul (SEL)
Search Deals
One-way flight from Harlingen Valley Intl to Seoul (SEL)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Seoul 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 October 16, 2025.
Use the filters below to find and compare flights from Harlingen to Seoul that are best for you.

Fly from

Harlingen

Fly to

Seoul

Route

Depart

Return

Price

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 12/2

9:20 am-5:40 am

2 stops29h 20m

Incheon Intl

Wed 12/10

6:00 pm-9:54 pm

2 stops18h 54m

$851

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-11:24 am

2 stops37h 39m

$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

$1,059

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sun 11/30

5:40 am-4:45 pm

1 stop20h 05m

Incheon Intl

Sun 12/7

7:15 pm-10:51 pm

1 stop18h 36m

$1,115

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sun 11/30

5:00 pm-4:15 pm

2 stops32h 15m

Incheon Intl

Sun 12/7

12:45 pm-7:49 pm

2 stops46h 04m

$1,191

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 2/16

5:50 am-4:45 pm

1 stop19h 55m

Incheon Intl

Thu 2/19

6:50 pm-12:01 am

1 stop20h 11m

$1,224

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 12/2

10:13 am-5:15 pm

2 stops40h 02m

Incheon Intl

Tue 12/9

12:20 am-11:11 pm

2 stops37h 51m

$1,580

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 11/24

12:10 pm-5:40 am

2 stops26h 30m

$418

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 11/24

5:40 am-4:45 pm

1 stop20h 05m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Compare providers for flights from Harlingen to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harlingen to Seoul in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harlingen, Texas-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen, Texas-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen, Texas-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harlingen, Texas-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Harlingen to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Seoul. 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 Seoul?

    Harlingen Valley Intl (HRL) is the airport you will fly out of if you book a flight from Harlingen to Seoul. You should not have trouble finding flights to Seoul from Valley Intl; the airport handles an average of 0 outbound flights to Seoul per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Harlingen airport to Seoul. It is only a 3.7 mi journey to Valley Intl (HRL) from Harlingen’s city center.

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

    There are many flights that can get you from Harlingen, Texas to Seoul in 20h 05m. Fly via United Airlines or American Airlines to get the fastest option. There are 7184 mi between Harlingen, Texas and Seoul. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Harlingen to Seoul?

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

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

    Yes. Cheapflights offers flight deals from Harlingen to Seoul 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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