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$941+ Cheap flights from Harlingen, TX (HRL) to Seoul (SEL)

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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SEL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$871
(United Airlines)
From Harlingen Valley Intl to Seoul (SEL)
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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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 10/2812:10 pmHRL - ICN
2 stops26h 30mUnited Airlines
Sun 11/166:00 pmICN - HRL
2 stops31h 59mUnited Airlines
Deal found 9/10$941
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/2712:10 pmHRL - ICN
2 stops26h 30mUnited Airlines
Mon 11/36:00 pmICN - HRL
2 stops31h 59mUnited Airlines
Deal found 9/11$955
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/275:23 amHRL - ICN
1 stop20h 32mAmerican Airlines
Mon 11/37:15 pmICN - HRL
1 stop18h 59mAmerican Airlines
Deal found 9/11$1,035
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 10/273:39 pmHRL - ICN
1 stop33h 51mDelta
Mon 11/38:05 pmICN - HRL
2 stops33h 38mDelta
Deal found 9/11$1,045
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/162:05 pmHRL - ICN
2 stops24h 15mUnited Airlines
Tue 9/304:50 pmICN - HRL
2 stops20h 28mUnited Airlines
Deal found 9/10$1,091
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/122:05 pmHRL - ICN
2 stops24h 15mUnited Airlines
Mon 9/2211:30 amICN - HRL
2 stops24h 22mUnited Airlines
Deal found 9/10$1,473
This oojo deal was found by Cheapflights users on 9/11. 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.
Mon 10/272:50 pmHRL - ICN
2 stops36h 25mQatar Airways
Sun 11/212:20 amICN - HRL
2 stops37h 54mQatar Airways
Deal found 9/11$1,706
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:37 pmHRL - ICN
2 stops32h 38mQatar Airways
Sat 11/1512:20 amICN - HRL
2 stops34h 10mQatar Airways
Deal found 9/10$1,725
This Qatar Airways deal was found by Cheapflights users on 9/10. 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 9/1610:11 amHRL - ICN
2 stops40h 54mMultiple Airlines
Tue 9/301:40 pmICN - HRL
3 stops38h 39mMultiple Airlines
Deal found 9/10$2,212
This Qatar Airways deal was found by Cheapflights users on 9/10. 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 9/122:51 pmHRL - ICN
2 stops36h 14mMultiple Airlines
Mon 9/2211:00 amICN - HRL
3 stops41h 19mMultiple Airlines
Deal found 9/10$2,232
This Justfly.com deal was found by Cheapflights users on 9/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:35 pmHRL - ICN
2 stops32h 30mQatar Airways
Sun 9/211:20 amICN - HRL
2 stops35h 37mQatar Airways
Deal found 9/10$2,371
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:35 pmHRL - ICN
2 stops32h 30mQatar Airways
Mon 9/291:20 amICN - HRL
2 stops35h 37mQatar Airways
Deal found 9/10$2,949

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 September 11, 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 10/28

12:10 pm-4:40 am

2 stops26h 30m

Incheon Intl

Sun 11/16

6:00 pm-10:59 am

2 stops31h 59m

$941

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 10/27

12:10 pm-4:40 am

2 stops26h 30m

Incheon Intl

Mon 11/3

6:00 pm-10:59 am

2 stops31h 59m

$955

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 10/27

5:23 am-3:55 pm

1 stop20h 32m

Incheon Intl

Mon 11/3

7:15 pm-11:14 pm

1 stop18h 59m

$1,035

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 10/27

3:39 pm-3:30 pm

1 stop33h 51m

Incheon Intl

Mon 11/3

8:05 pm-2:43 pm

2 stops33h 38m

$1,045

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 9/16

2:05 pm-4:20 am

2 stops24h 15m

Incheon Intl

Tue 9/30

4:50 pm-11:18 pm

2 stops20h 28m

$1,091

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 10/27

2:50 pm-5:15 pm

2 stops36h 25m

Incheon Intl

Sun 11/2

12:20 am-11:14 pm

2 stops37h 54m

$1,706

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 10/28

6:37 pm-5:15 pm

2 stops32h 38m

Incheon Intl

Sat 11/15

12:20 am-7:30 pm

2 stops34h 10m

$1,725

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 9/16

10:11 am-5:05 pm

2 stops40h 54m

Incheon Intl

Tue 9/30

1:40 pm-2:19 pm

3 stops38h 39m

$2,212

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 9/16

6:35 pm-5:05 pm

2 stops32h 30m

Incheon Intl

Mon 9/29

1:20 am-10:57 pm

2 stops35h 37m

$2,949

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 32m. Fly via United Airlines, American Airlines, or Delta 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.

  • What is the cheapest month to book a flight from Harlingen, Texas to Seoul?

    Currently, February is the cheapest month in which you can book a flight from Harlingen, Texas to Seoul (average of $990). Flying from Harlingen, Texas to Seoul in December is currently the most expensive (average of $1,633). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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