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Cheap flights from Harlingen, Texas to Seoul from $871

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, Texas to Seoul departing on 2/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Harlingen, Texas to Seoul

Cheap round-trip flights

United Airlines Logo
12:10 pm - 5:40 amHRL-ICN
26h 30m2 stops
United Airlines Logo
12:45 pm - 11:24 amICN-HRL
37h 39m2 stops
$871United Airlines
Find Deal
Mon, Feb 16 - Thu, Feb 19
United Airlines Logo
12:10 pm - 5:40 amHRL-ICN
26h 30m2 stops
United Airlines Logo
12:45 pm - 7:58 pmICN-HRL
22h 13m2 stops
$985United Airlines
Find Deal
Mon, Feb 16 - Thu, Feb 19
American Airlines Logo
5:50 am - 4:45 pmHRL-ICN
19h 55m1 stop
American Airlines Logo
6:50 pm - 12:01 amICN-HRL
20h 11m1 stop
$1,240American Airlines
Find Deal
Mon, Feb 16 - Thu, Feb 19
American Airlines Logo
5:50 am - 4:45 pmHRL-ICN
19h 55m1 stop
American Airlines Logo
6:50 pm - 12:01 amICN-HRL
20h 11m1 stop
$1,294American Airlines
Find Deal
Mon, Feb 16 - Thu, Feb 19
United Airlines Logo
5:20 pm - 4:15 pmHRL-ICN
31h 55m2 stops
United Airlines Logo
12:45 pm - 11:26 amICN-HRL
37h 41m2 stops
$1,682United Airlines
Find Deal
Mon, Dec 29 - Tue, Jan 6
American Airlines Logo
5:34 am - 4:45 pmHRL-ICN
20h 11m1 stop
American Airlines Logo
6:50 pm - 9:50 amICN-HRL
30h 00m1 stop
$2,018American Airlines
Find Deal
Mon, Dec 29 - Tue, Jan 6
Qatar Airways Logo
8:00 pm - 5:15 pmHRL-ICN
30h 15m2 stops
Qatar Airways Logo
12:20 am - 6:28 pmICN-HRL
33h 08m2 stops
$2,117Qatar Airways
Find Deal
Mon, Feb 16 - Wed, Feb 18
Multiple Airlines Logo
5:34 am - 5:15 pmHRL-ICN
44h 41m2 stops
Multiple Airlines Logo
12:20 am - 10:21 pmICN-HRL
61h 01m2 stops
$2,550Multiple Airlines
Find Deal
Mon, Dec 29 - Mon, Jan 5
Multiple Airlines Logo
8:11 pm - 5:15 pmHRL-ICN
30h 04m2 stops
Multiple Airlines Logo
7:35 pm - 10:21 pmICN-HRL
41h 46m3 stops
$2,607Multiple Airlines
Find Deal
Mon, Dec 29 - Tue, Jan 6
Multiple Airlines Logo
5:34 am - 4:45 pmHRL-ICN
20h 11m1 stop
Multiple Airlines Logo
8:40 pm - 10:21 pmICN-HRL
40h 41m2 stops
$10,858Multiple Airlines
Find Deal
Mon, Dec 29 - Tue, Jan 6

American Airlines flights from Harlingen, Texas to Seoul

Our best American Airlines deals on Harlingen, Texas to Seoul flight tickets
American Airlines
Feb 16
HRL5:50 amHarlingen Valley Intl
19h 55m
1 stop
ICN4:45 pmIncheon Intl
Feb 19
ICN6:50 pmIncheon Intl
20h 11m
1 stop
HRL12:01 amHarlingen Valley Intl
$1,240
Find similar
American Airlines
Feb 16
HRL5:50 amHarlingen Valley Intl
19h 55m
1 stop
ICN4:45 pmIncheon Intl
Feb 19
ICN6:50 pmIncheon Intl
20h 11m
1 stop
HRL12:01 amHarlingen Valley Intl
$1,294
Find similar
American Airlines
Dec 29
HRL5:34 amHarlingen Valley Intl
20h 11m
1 stop
ICN4:45 pmIncheon Intl
Jan 6
ICN6:50 pmIncheon Intl
30h 00m
1 stop
HRL9:50 amHarlingen Valley Intl
$2,018
Find similar

United Airlines flights from Harlingen, Texas to Seoul

Our best United Airlines deals on Harlingen, Texas to Seoul flight tickets
United Airlines
Feb 16
HRL12:10 pmHarlingen Valley Intl
26h 30m
2 stops
ICN5:40 amIncheon Intl
Feb 19
ICN12:45 pmIncheon Intl
37h 39m
2 stops
HRL11:24 amHarlingen Valley Intl
$871
Find similar
United Airlines
Feb 16
HRL12:10 pmHarlingen Valley Intl
26h 30m
2 stops
ICN5:40 amIncheon Intl
Feb 19
ICN12:45 pmIncheon Intl
22h 13m
2 stops
HRL7:58 pmHarlingen Valley Intl
$985
Find similar
United Airlines
Dec 29
HRL5:20 pmHarlingen Valley Intl
31h 55m
2 stops
ICN4:15 pmIncheon Intl
Jan 6
ICN12:45 pmIncheon Intl
37h 41m
2 stops
HRL11:26 amHarlingen Valley Intl
$1,682
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen, Texas 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 September 19, 2025.
Use the filters below to find and compare flights from Harlingen, Texas to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 2/16

12:10 pm-5:40 am

2 stops26h 30m

Incheon Intl

Thu 2/19

12:45 pm-11:24 am

2 stops37h 39m

$871

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 2/16

12:10 pm-5:40 am

2 stops26h 30m

Incheon Intl

Thu 2/19

12:45 pm-7:58 pm

2 stops22h 13m

$985

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 2/16

5:50 am-4:45 pm

1 stop19h 55m

Incheon Intl

Thu 2/19

6:50 pm-12:01 am

1 stop20h 11m

$1,240

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 2/16

5:50 am-4:45 pm

1 stop19h 55m

Incheon Intl

Thu 2/19

6:50 pm-12:01 am

1 stop20h 11m

$1,294

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 12/29

5:20 pm-4:15 pm

2 stops31h 55m

Incheon Intl

Tue 1/6

12:45 pm-11:26 am

2 stops37h 41m

$1,682

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 12/29

5:34 am-4:45 pm

1 stop20h 11m

Incheon Intl

Tue 1/6

6:50 pm-9:50 am

1 stop30h 00m

$2,018

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 2/16

8:00 pm-5:15 pm

2 stops30h 15m

Incheon Intl

Wed 2/18

12:20 am-6:28 pm

2 stops33h 08m

$2,117

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 12/29

5:34 am-5:15 pm

2 stops44h 41m

Incheon Intl

Mon 1/5

12:20 am-10:21 pm

2 stops61h 01m

$2,550

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 12/29

8:11 pm-5:15 pm

2 stops30h 04m

Incheon Intl

Tue 1/6

7:35 pm-10:21 pm

3 stops41h 46m

$2,607

HarlingenIncheon

HRL - ICN

HRLICN

Harlingen Valley Intl

Mon 12/29

5:34 am-4:45 pm

1 stop20h 11m

Incheon Intl

Tue 1/6

8:40 pm-10:21 pm

2 stops40h 41m

$10,858

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Harlingen, Texas to Seoul

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

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

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

Direct flights

None
There are no direct flights from Harlingen, Texas to Seoul. There are no popular flight routes from Harlingen, Texas to Seoul.
Search flight deals

  • 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 55m.

  • 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 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.

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Harlingen, Texas 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, Texas 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