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$703+ Cheap flights from Harlingen, TX (HRL) to South Korea

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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — ICN
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap 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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,153
(United Airlines)

One-way from

$703
(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.
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From Harlingen Valley Intl to South Korea
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One-way flight from Harlingen Valley Intl to South Korea
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Find 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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 10/137:00 amHRL - ICN
2 stops31h 20mUnited Airlines
Sat 10/254:50 pmICN - HRL
2 stops19h 56mUnited Airlines
Deal found 4/29$1,153
This American Airlines deal was found by Cheapflights users on 4/30. 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 9/305:47 amHRL - ICN
1 stop19h 43mAmerican Airlines
Wed 10/225:25 pmICN - HRL
1 stop20h 39mAmerican Airlines
Deal found 4/30$1,407
This Delta deal was found by Cheapflights users on 4/29. 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 10/133:00 pmHRL - ICN
1 stop36h 20mDelta
Sat 10/257:20 pmICN - HRL
2 stops33h 06mDelta
Deal found 4/29$1,466
This oojo deal was found by Cheapflights users on 4/30. 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 9/308:10 pmHRL - ICN
2 stops30h 55mQatar Airways
Tue 10/211:20 amICN - HRL
2 stops36h 44mQatar Airways
Deal found 4/30$1,519
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 6/135:25 amHRL - ICN
2 stops33h 10mMultiple Airlines
Fri 6/205:25 pmICN - HRL
1 stop30h 10mMultiple Airlines
Deal found 4/29$3,891

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 May 1, 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

Mon 10/13

7:00 am-4:20 am

2 stops31h 20m

Incheon Intl

Sat 10/25

4:50 pm-10:46 pm

2 stops19h 56m

$1,153

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 9/30

5:47 am-3:30 pm

1 stop19h 43m

Incheon Intl

Wed 10/22

5:25 pm-12:04 am

1 stop20h 39m

$1,407

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 10/13

3:00 pm-5:20 pm

1 stop36h 20m

Incheon Intl

Sat 10/25

7:20 pm-2:26 pm

2 stops33h 06m

$1,466

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Tue 9/30

8:10 pm-5:05 pm

2 stops30h 55m

Incheon Intl

Tue 10/21

1:20 am-12:04 am

2 stops36h 44m

$1,519

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Fri 6/13

5:25 am-4:35 am

2 stops33h 10m

Incheon Intl

Fri 6/20

5:25 pm-9:35 am

1 stop30h 10m

$3,891

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 6/28

1:59 pm-4:20 am

2 stops24h 21m

$703

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 6/28

1:49 pm-3:45 pm

3 stops59h 56m

$1,006

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 6/28

8:10 pm-3:30 pm

1 stop29h 20m

$1,133

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Qatar Airways
7.4
Good
3,563 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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.

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

    Currently, February is the cheapest month in which you can book a flight from Harlingen, Texas to South Korea (average of $1,001). Flying from Harlingen, Texas to South Korea in December is currently the most expensive (average of $1,635). 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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