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$1,153+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SEL
May 20 — May 271
Tue 5/20
Tue 5/27
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 May 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,688
(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 Seoul (SEL)
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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 May 15, 2025.

This United Airlines deal was found by Cheapflights users on 5/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/135:25 pmHRL - ICN
2 stops31h 35mUnited Airlines
Sat 10/2511:30 amICN - HRL
2 stops22h 03mUnited Airlines
Deal found 5/15$1,153
This Delta deal was found by Cheapflights users on 5/15. 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 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 5/15$1,467
This American Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 5/195:44 amHRL - ICN
1 stop19h 46mAmerican Airlines
Wed 5/215:25 pmICN - HRL
1 stop20h 34mAmerican Airlines
Deal found 5/15$2,216
This FlightHub deal was found by Cheapflights users on 5/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:11 pmHRL - ICN
2 stops54h 54mQatar Airways
Fri 10/241:20 amICN - HRL
2 stops36h 44mQatar Airways
Deal found 5/15$2,749
This Mytrip deal was found by Cheapflights users on 5/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/295:20 pmHRL - ICN
2 stops56h 45mMultiple Airlines
Thu 6/58:45 pmICN - HRL
3 stops30h 40mMultiple Airlines
Deal found 5/15$2,956

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 May 15, 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

Mon 5/19

7:15 am-4:20 am

2 stops31h 05m

Incheon Intl

Wed 5/21

4:50 pm-1:25 pm

2 stops34h 35m

$1,688

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 5/19

5:44 am-3:30 pm

1 stop19h 46m

Incheon Intl

Wed 5/21

5:25 pm-11:59 pm

1 stop20h 34m

$2,216

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Thu 5/29

5:20 pm-4:05 pm

2 stops56h 45m

Incheon Intl

Thu 6/5

8:45 pm-1:25 pm

3 stops30h 40m

$2,956

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Thu 5/29

5:44 am-5:05 pm

2 stops45h 21m

Incheon Intl

Wed 6/4

1:20 am-12:04 am

2 stops36h 44m

$3,085

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Harlingen, Texas-Seoul flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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

Rainfall in Seoul by month

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

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

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

If weather is an important factor for your trip to Seoul, 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 35.6 F).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated May 15, 2025.
Qatar Airways
7.4
Good
3,571 reviews

Comfort

7.4

Food

7.3

Crew

7.9

Boarding

7.5

Overall

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

DFW - DOH

Probably one of the best flights I’ve had. Superb service! They made economy feel like first class.
Qatar Airways
7.4
Good
3,571 reviews
Qatar Airways
7.4
Good
3,571 reviews

Comfort

7.4

Food

7.3

Crew

7.9

Boarding

7.5

Overall

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

DFW - DOH

Probably one of the best flights I’ve had. Superb service! They made economy feel like first class.
United Airlines
7.4
Good
8,731 reviews
Qatar Airways
7.4
Good
3,571 reviews

Comfort

7.4

Food

7.3

Crew

7.9

Boarding

7.5

Overall

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

DFW - DOH

Probably one of the best flights I’ve had. Superb service! They made economy feel like first class.
American Airlines
7.2
Good
10,000 reviews
Qatar Airways
7.4
Good
3,571 reviews

Comfort

7.4

Food

7.3

Crew

7.9

Boarding

7.5

Overall

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

DFW - DOH

Probably one of the best flights I’ve had. Superb service! They made economy feel like first class.

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.

  • 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 $1,002). Flying from Harlingen, Texas to Seoul 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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