How do I get Price Alerts for flights from Harlingen to Incheon Intl Airport?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Harlingen from Incheon Intl Airport . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Harlingen to Incheon Intl Airport with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Harlingen Valley Intl Airport to Incheon Intl Airport?

Prices for flights from Harlingen Valley Intl Airport to Incheon Intl Airport are updated daily.

How many operators does momondo search for flights from Harlingen Valley Intl Airport to Incheon Intl Airport?

As of April 2026, there is 1 operator available to choose from for flights from Harlingen Valley Intl Airport to Incheon Intl Airport.

How old do you have to be to fly from Harlingen Valley Intl Airport to Incheon Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to Incheon Intl Airport.

What documentation or ID do you need to fly to Incheon Intl Airport?

The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$1,949 Cheap Flights from Harlingen to Incheon Intl Airport in 2026

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Find the cheapest flights from Harlingen to Seoul

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:05 pm - 4:05 pm

HRL

ICN

36h 00m

2 stops

6:00 pm - 9:54 pm

ICN

HRL

41h 54m

2 stops

$1,949Multiple Airlines

Sat, Jun 13 - Tue, Jun 23

10:43 am - 3:45 pm

HRL

ICN

39h 02m

1 stop

5:50 pm - 10:12 am

ICN

HRL

30h 22m

1 stop

$2,009American Airlines

Sat, Jun 27 - Sat, Jul 4

8:04 pm - 3:45 pm

HRL

ICN

29h 41m

1 stop

5:50 pm - 10:13 am

ICN

HRL

30h 23m

1 stop

$2,079American Airlines

Sat, Jun 13 - Tue, Jun 23

5:10 am - 4:20 am

HRL

ICN

33h 10m

2 stops

11:30 am - 9:54 pm

ICN

HRL

48h 24m

2 stops

$2,083United Airlines

Sat, Jun 27 - Sat, Jul 4

7:00 am - 4:20 am

HRL

ICN

31h 20m

2 stops

4:50 pm - 3:59 pm

ICN

HRL

37h 09m

2 stops

$2,159United Airlines

Mon, May 18 - Mon, Jun 22

2:05 pm - 4:20 am

HRL

ICN

24h 15m

2 stops

11:30 am - 7:49 pm

ICN

HRL

22h 19m

2 stops

$2,441United Airlines

Mon, Jun 8 - Sun, Jun 14

7:53 pm - 3:45 pm

HRL

ICN

29h 52m

1 stop

5:50 pm - 12:14 am

ICN

HRL

20h 24m

1 stop

$2,788American Airlines

Mon, May 18 - Mon, Jun 22

8:04 pm - 5:05 pm

HRL

ICN

31h 01m

2 stops

11:00 am - 4:21 pm

ICN

HRL

43h 21m

3 stops

$2,923Multiple Airlines

Sat, Jun 27 - Sat, Jul 4

10:43 am - 10:25 pm

HRL

ICN

45h 42m

3 stops

1:20 am - 12:14 am

ICN

HRL

36h 54m

2 stops

$3,028Multiple Airlines

Sat, Jun 13 - Mon, Jun 22

10:43 am - 10:25 pm

HRL

ICN

45h 42m

3 stops

1:40 pm - 4:25 pm

ICN

HRL

40h 45m

3 stops

$3,204Qatar Airways

Sat, Jun 13 - Tue, Jun 23

United Airlines flights from Harlingen to Incheon Intl Airport

Our best United Airlines deals on Harlingen to Incheon Intl Airport flight tickets

United Airlines

Jun 27

HRL5:10 amHarlingen Valley Intl

33h 10m

2 stops

ICN4:20 amIncheon Intl

Jul 4

ICN11:30 amIncheon Intl

48h 24m

2 stops

HRL9:54 pmHarlingen Valley Intl

$2,083

United Airlines

May 18

HRL7:00 amHarlingen Valley Intl

31h 20m

2 stops

ICN4:20 amIncheon Intl

Jun 22

ICN4:50 pmIncheon Intl

37h 09m

2 stops

HRL3:59 pmHarlingen Valley Intl

$2,159

United Airlines

Jun 8

HRL2:05 pmHarlingen Valley Intl

24h 15m

2 stops

ICN4:20 amIncheon Intl

Jun 14

ICN11:30 amIncheon Intl

22h 19m

2 stops

HRL7:49 pmHarlingen Valley Intl

$2,441

American Airlines flights from Harlingen to Incheon Intl Airport

Our best American Airlines deals on Harlingen to Incheon Intl Airport flight tickets

American Airlines

Jun 27

HRL10:43 amHarlingen Valley Intl

39h 02m

1 stop

ICN3:45 pmIncheon Intl

Jul 4

ICN5:50 pmIncheon Intl

30h 22m

1 stop

HRL10:12 amHarlingen Valley Intl

$2,009

American Airlines

Jun 13

HRL8:04 pmHarlingen Valley Intl

29h 41m

1 stop

ICN3:45 pmIncheon Intl

Jun 23

ICN5:50 pmIncheon Intl

30h 23m

1 stop

HRL10:13 amHarlingen Valley Intl

$2,079

American Airlines

May 18

HRL7:53 pmHarlingen Valley Intl

29h 52m

1 stop

ICN3:45 pmIncheon Intl

Jun 22

ICN5:50 pmIncheon Intl

20h 24m

1 stop

HRL12:14 amHarlingen Valley Intl

$2,788

momondo Fare Finder

Use the filters below to find and compare flights from Harlingen to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 6/13

2:05 pm-4:05 pm

2 stops36h 00m

Incheon Intl

Tue 6/23

6:00 pm-9:54 pm

2 stops41h 54m

$1,949

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 6/27

10:43 am-3:45 pm

1 stop39h 02m

Incheon Intl

Sat 7/4

5:50 pm-10:12 am

1 stop30h 22m

$2,009

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 6/13

8:04 pm-3:45 pm

1 stop29h 41m

Incheon Intl

Tue 6/23

5:50 pm-10:13 am

1 stop30h 23m

$2,079

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 6/27

5:10 am-4:20 am

2 stops33h 10m

Incheon Intl

Sat 7/4

11:30 am-9:54 pm

2 stops48h 24m

$2,083

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 5/18

7:00 am-4:20 am

2 stops31h 20m

Incheon Intl

Mon 6/22

4:50 pm-3:59 pm

2 stops37h 09m

$2,159

Quickest round-trip

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 6/8

2:05 pm-4:20 am

2 stops24h 15m

Incheon Intl

Sun 6/14

11:30 am-7:49 pm

2 stops22h 19m

$2,441

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 5/18

7:53 pm-3:45 pm

1 stop29h 52m

Incheon Intl

Mon 6/22

5:50 pm-12:14 am

1 stop20h 24m

$2,788

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 6/27

8:04 pm-5:05 pm

2 stops31h 01m

Incheon Intl

Sat 7/4

11:00 am-4:21 pm

3 stops43h 21m

$2,923

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 6/13

10:43 am-10:25 pm

3 stops45h 42m

Incheon Intl

Mon 6/22

1:20 am-12:14 am

2 stops36h 54m

$3,028

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 6/13

10:43 am-10:25 pm

3 stops45h 42m

Incheon Intl

Tue 6/23

1:40 pm-4:25 pm

3 stops40h 45m

$3,204

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Harlingen to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Harlingen to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Harlingen to Incheon Intl Airport (HRL to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen to Incheon Intl Airport

Fastest flight time	31h 20m
Direct flights	None

The fastest flight from Harlingen to Incheon Intl Airport takes 31h 20m

There are no direct flights from Harlingen to Incheon Intl Airport. There are no popular flight routes from Harlingen to Incheon Intl Airport.

Search flight deals

Frequently asked questions about flying from Harlingen to Incheon Intl Airport

How far is Harlingen Valley Intl to Incheon Intl by plane?
The distance between Harlingen Valley Intl and Incheon Intl is about 7184.3 mi. A reasonable flight in good conditions will take 31h 20m.
When did momondo last update prices for flights from Harlingen Valley Intl Airport to Incheon Intl Airport?
Prices for flights from Harlingen Valley Intl Airport to Incheon Intl Airport are updated daily.
How many operators does momondo search for flights from Harlingen Valley Intl Airport to Incheon Intl Airport?
As of April 2026, there is 1 operator available to choose from for flights from Harlingen Valley Intl Airport to Incheon Intl Airport.
How old do you have to be to fly from Harlingen Valley Intl Airport to Incheon Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to Incheon Intl Airport.
What documentation or ID do you need to fly to Incheon Intl Airport?
The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Harlingen to Incheon Intl Airport?
Based on momondo bookings for flights between Harlingen and Incheon Intl Airport, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Harlingen to Incheon Intl Airport

Compare and see reviews for airlines that fly from Harlingen to Incheon Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,677 reviews		Search United Airlines flights

Frequently asked questions about flying from Harlingen to Incheon Intl Airport

How do I get Price Alerts for flights from Harlingen to Incheon Intl Airport?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Harlingen from Incheon Intl Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Harlingen to Incheon Intl Airport with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Daejeon

Suwon

Seongnam

Anyang

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to Seoul?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Harlingen to Seoul. momondo saves you time and could save you money on your trip.

Can I find flights from Harlingen to Seoul with flexible booking policies on momondo?

All flight searches from Harlingen to Seoul on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Harlingen to Seoul?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from Harlingen.

I’m not ready to book a flight from Harlingen to Seoul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Harlingen to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Incheon Intl Airport trip

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Flights to Seoul Gimpo Intl Airportfrom $715

Cheap flights from Harlingen to Seoul from $1,949

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen to Seoul departing on 6/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Harlingen to Seoul

Cheap round-trip flights

Cheap one-way flights

United Airlines flights from Harlingen to Incheon Intl Airport

Our best United Airlines deals on Harlingen to Incheon Intl Airport flight tickets

American Airlines flights from Harlingen to Incheon Intl Airport

Our best American Airlines deals on Harlingen to Incheon Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Harlingen to Incheon Intl Airport that are best for you.

When to book flights from Harlingen to Incheon Intl Airport

Cheap Harlingen to Incheon Intl Airport (HRL to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen to Incheon Intl Airport

Fastest flight time

Direct flights

Frequently asked questions about flying from Harlingen to Incheon Intl Airport

Best airlines flying from Harlingen to Incheon Intl Airport

Compare and see reviews for airlines that fly from Harlingen to Incheon Intl Airport with momondo

Frequently asked questions about flying from Harlingen to Incheon Intl Airport

Traveling to a place near Seoul?

Why use momondo?

An easier way to manage your Incheon Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Seoul

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Harlingen flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

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List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

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According to popular flight searches on momondo this year