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Cheap flights from Harlingen to Seoul from $1,515

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 7/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Harlingen to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:10 am - 3:00 pm
HRL
-
ICN
43h 50m
2 stops
United Airlines Logo
4:50 pm - 7:49 pm
ICN
-
HRL
40h 59m
2 stops
$1,515United Airlines
Wed, Jul 8 - Fri, Jul 17
United Airlines Logo
5:10 am - 3:00 pm
HRL
-
ICN
19h 50m
2 stops
United Airlines Logo
11:30 am - 7:49 pm
ICN
-
HRL
46h 19m
2 stops
$1,668United Airlines
Sat, Jul 18 - Sat, Jul 25
American Airlines Logo
6:00 am - 3:45 pm
HRL
-
ICN
19h 45m
1 stop
American Airlines Logo
5:50 pm - 12:05 am
ICN
-
HRL
20h 15m
1 stop
$2,044American Airlines
Wed, Jul 8 - Fri, Jul 17
Japan Airlines Logo
6:00 am - 3:45 pm
HRL
-
ICN
19h 45m
1 stop
Japan Airlines Logo
5:50 pm - 10:12 am
ICN
-
HRL
30h 22m
1 stop
$2,325Japan Airlines
Sat, Jul 18 - Sat, Jul 25
Multiple Airlines Logo
10:45 am - 5:05 pm
HRL
-
ICN
40h 20m
2 stops
Multiple Airlines Logo
3:10 pm - 7:34 pm
ICN
-
HRL
42h 24m
3 stops
$2,632Multiple Airlines
Sat, Jul 18 - Sat, Jul 25
Multiple Airlines Logo
10:45 am - 3:45 pm
HRL
-
ICN
39h 00m
1 stop
Multiple Airlines Logo
5:45 pm - 1:30 pm
ICN
-
HRL
33h 45m
2 stops
$3,209Multiple Airlines
Sat, Jul 18 - Sat, Jul 25
Multiple Airlines Logo
5:22 pm - 3:45 pm
HRL
-
ICN
32h 23m
1 stop
Multiple Airlines Logo
5:45 pm - 7:49 pm
ICN
-
HRL
40h 04m
2 stops
$3,339Multiple Airlines
Wed, Jul 8 - Fri, Jul 17
United Airlines Logo
5:10 am - 3:00 pm
HRL
-
ICN
19h 50m
2 stops
United Airlines Logo
11:30 am - 7:49 pm
ICN
-
HRL
22h 19m
3 stops
$11,221United Airlines
Wed, Jul 8 - Fri, Jul 17

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United Airlines flights from Harlingen to Seoul

Our best United Airlines deals on Harlingen to Seoul flight tickets
United Airlines
Jul 8
HRL5:10 amHarlingen Valley Intl
43h 50m
2 stops
ICN3:00 pmIncheon Intl
Jul 17
ICN4:50 pmIncheon Intl
40h 59m
2 stops
HRL7:49 pmHarlingen Valley Intl
$1,515
United Airlines
Jul 18
HRL5:10 amHarlingen Valley Intl
19h 50m
2 stops
ICN3:00 pmIncheon Intl
Jul 25
ICN11:30 amIncheon Intl
46h 19m
2 stops
HRL7:49 pmHarlingen Valley Intl
$1,668
United Airlines
Jul 8
HRL5:10 amHarlingen Valley Intl
19h 50m
2 stops
ICN3:00 pmIncheon Intl
Jul 17
ICN11:30 amIncheon Intl
22h 19m
3 stops
HRL7:49 pmHarlingen Valley Intl
$11,221

momondo 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, momondo users made 832,500 searches. Data last updated June 21, 2026.
Use the filters below to find and compare flights from Harlingen to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Wed 7/8

5:10 am-3:00 pm

2 stops43h 50m

Incheon Intl

Fri 7/17

4:50 pm-7:49 pm

2 stops40h 59m

$1,515

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 7/18

5:10 am-3:00 pm

2 stops19h 50m

Incheon Intl

Sat 7/25

11:30 am-7:49 pm

2 stops46h 19m

$1,668
Quickest round-trip

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Wed 7/8

6:00 am-3:45 pm

1 stop19h 45m

Incheon Intl

Fri 7/17

5:50 pm-12:05 am

1 stop20h 15m

$2,044

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 7/18

6:00 am-3:45 pm

1 stop19h 45m

Incheon Intl

Sat 7/25

5:50 pm-10:12 am

1 stop30h 22m

$2,325

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 7/18

10:45 am-5:05 pm

2 stops40h 20m

Incheon Intl

Sat 7/25

3:10 pm-7:34 pm

3 stops42h 24m

$2,632

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Sat 7/18

10:45 am-3:45 pm

1 stop39h 00m

Incheon Intl

Sat 7/25

5:45 pm-1:30 pm

2 stops33h 45m

$3,209

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Wed 7/8

5:22 pm-3:45 pm

1 stop32h 23m

Incheon Intl

Fri 7/17

5:45 pm-7:49 pm

2 stops40h 04m

$3,339

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Wed 7/8

5:10 am-3:00 pm

2 stops19h 50m

Incheon Intl

Fri 7/17

11:30 am-7:49 pm

3 stops22h 19m

$11,221

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Harlingen to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from Harlingen to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harlingen to Seoul (HRL to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen to Seoul

Fastest flight time

19h 50m

Direct flights

None
The fastest flight from Harlingen to Seoul takes 19h 50m
There are no direct flights from Harlingen to Seoul. There are no popular flight routes from Harlingen to Seoul.
Search flight deals

Frequently asked questions about flying from Harlingen to Seoul

  • How far is Harlingen Valley Intl to Seoul by plane?

    Harlingen Valley Intl and Seoul are 7159.8 mi apart from one another. By plane, this route typically takes 19h 50m.

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

    Prices for flights from Harlingen Valley Intl Airport to Seoul were last updated today.

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

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

    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 Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Harlingen to Seoul

Compare and see reviews for airlines that fly from Harlingen to Seoul with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $870Free CancellationRating
7.4
9,868 reviews
Search United Airlines flights

Frequently asked questions about flying from Harlingen to Seoul

  • How do I get Price Alerts for flights from Harlingen to Seoul?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Harlingen from Seoul. 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 Seoul 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?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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?

Yes. momondo enables you to select and highlight flights to Seoul from Harlingen with this policy.

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

Once you have performed a search for Harlingen to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Harlingen to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport