$1,165+ Cheap flights from Harlingen (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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SEL
Nov 29 — Dec 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Harlingen to Seoul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Harlingen to Seoul
Cheapest
Best
Last-minute
Cheapest flights from Harlingen to SeoulExplore 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 October 30, 2026.
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 October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/91:59 pm -
2 stops24h 41m
Tue 12/1512:45 pm -
2 stops24h 14m
Deal found 10/28![United Airlines logo]()
$1,165
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/125:25 pm -
2 stops31h 50m
Mon 11/166:00 pm -
2 stops19h 48m
Deal found 10/29![United Airlines logo]()
$1,315
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/910:44 am -
1 stop39h 01m
Tue 12/156:50 pm -
1 stop38h 20m
Deal found 10/28![American Airlines logo]()
$1,402
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/125:40 am -
1 stop20h 05m
Sat 12/196:50 pm -
1 stop19h 04m
Deal found 10/28![American Airlines logo]()
$1,799
This Qatar Airways deal was found by Cheapflights users on 10/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:44 am -
2 stops39h 31m
Tue 12/153:00 pm -
3 stops42h 10m
Deal found 10/28![Multiple Airlines logo]()
$2,111
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 12/122:27 pm -
2 stops34h 28m
Sat 12/199:20 pm -
2 stops31h 22m
Deal found 10/28![Delta logo]()
$2,405
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/1210:44 am -
2 stops33h 01m
Sat 12/1912:05 pm -
2 stops25h 49m
Deal found 10/28![Multiple Airlines logo]()
$2,586
This Qatar Airways deal was found by Cheapflights users on 10/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:40 am -
2 stops44h 35m
Sat 12/193:00 pm -
3 stops42h 51m
Deal found 10/28![Multiple Airlines logo]()
$4,129
Best flights from Harlingen to SeoulDiscover carefully curated flight deals from Harlingen to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Harlingen to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 2/172:10 pm -
2 stops24h 30m
Wed 3/312:45 pm -
2 stops21h 55m
Deal found 10/26![United Airlines logo]()
$1,165
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 2/175:56 am -
1 stop19h 29m
Wed 3/36:50 pm -
1 stop19h 02m
Deal found 10/26![American Airlines logo]()
$1,515
This Ovago deal was found by Cheapflights users on 10/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/172:10 pm -
2 stops41h 20m
Wed 3/37:50 pm -
2 stops34h 49m
Deal found 10/26![ANA logo]()
$1,748
This Korean Air deal was found by Cheapflights users on 10/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/132:01 pm -
1 stop36h 14m
Fri 3/196:50 pm -
1 stop18h 02m
Deal found 10/27![Multiple Airlines logo]()
$1,946
This Delta deal was found by Cheapflights users on 10/27. 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.
Sat 3/135:05 pm -
1 stop31h 45m
Sun 3/219:20 pm -
2 stops56h 56m
Deal found 10/27![Delta logo]()
$2,266
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 11/121:59 pm -
2 stops35h 26m
Mon 11/1612:45 pm -
2 stops25h 03m
Deal found 10/27![United Airlines logo]()
$1,315
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 3/145:16 pm -
2 stops32h 09m
Sun 3/216:00 pm -
2 stops39h 32m
Deal found 10/27![United Airlines logo]()
$1,431
This Qatar Airways deal was found by Cheapflights users on 10/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:44 am -
2 stops39h 31m
Tue 12/153:00 pm -
3 stops42h 10m
Deal found 10/28![Multiple Airlines logo]()
$2,111
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 3/125:05 am -
2 stops20h 10m
Thu 3/186:00 pm -
2 stops33h 20m
Deal found 10/27![United Airlines logo]()
$2,169
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/1210:44 am -
2 stops33h 01m
Sat 12/1912:05 pm -
2 stops25h 49m
Deal found 10/28![Multiple Airlines logo]()
$2,586
This Japan Airlines deal was found by Cheapflights users on 10/27. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/135:56 am -
2 stops37h 49m
Sun 3/2112:05 pm -
2 stops24h 47m
Deal found 10/27![Multiple Airlines logo]()
$2,807
This Japan Airlines deal was found by Cheapflights users on 10/27. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/135:56 am -
2 stops37h 49m
Fri 3/198:15 am -
2 stops42h 55m
Deal found 10/27![Multiple Airlines logo]()
$3,328
Last-minute flights from Harlingen to SeoulDiscover last-minute flight deals from Harlingen to Seoul. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to Seoul. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/91:59 pm -
2 stops24h 41m
Tue 12/1512:45 pm -
2 stops24h 14m
Deal found 10/28![United Airlines logo]()
$1,165
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/910:44 am -
1 stop39h 01m
Tue 12/156:50 pm -
1 stop38h 20m
Deal found 10/28![American Airlines logo]()
$1,402
This Qatar Airways deal was found by Cheapflights users on 10/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:44 am -
2 stops39h 31m
Tue 12/153:00 pm -
3 stops42h 10m
Deal found 10/28![Multiple Airlines logo]()
$2,111
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/125:25 pm -
2 stops31h 50m
Mon 11/166:00 pm -
2 stops19h 48m
Deal found 10/29![United Airlines logo]()
$1,315
Find 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 October 30, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,165 (United Airlines) |
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 7,457,451 searches. Data last updated October 30, 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
Cheapest round-trip
HarlingenIncheon
HRL Harlingen Valley Intl - ICN Incheon Intl
HRLICN
Harlingen Valley Intl
Wed 2/17
2:10 pm-5:40 am
2 stops24h 30m
Incheon Intl
Wed 3/3
12:45 pm-7:40 pm
2 stops21h 55m
$1,165
HarlingenIncheon
HRL Harlingen Valley Intl - ICN Incheon Intl
HRLICN
Harlingen Valley Intl
Thu 11/12
1:59 pm-4:25 pm
2 stops35h 26m
Incheon Intl
Mon 11/16
12:45 pm-10:48 pm
2 stops25h 03m
$1,315
HarlingenIncheon
HRL Harlingen Valley Intl - ICN Incheon Intl
HRLICN
Harlingen Valley Intl
Sun 3/14
5:16 pm-3:25 pm
2 stops32h 09m
Incheon Intl
Sun 3/21
6:00 pm-7:32 pm
2 stops39h 32m
$1,431
Quickest round-trip
HarlingenIncheon
HRL Harlingen Valley Intl - ICN Incheon Intl
HRLICN
Harlingen Valley Intl
Wed 2/17
5:56 am-4:25 pm
1 stop19h 29m
Incheon Intl
Wed 3/3
6:50 pm-10:52 pm
1 stop19h 02m
$1,515
HarlingenSeoul
HRL Harlingen Valley Intl - GMP Seoul Gimpo Intl
HRLGMP
Harlingen Valley Intl
Wed 2/17
2:10 pm-10:30 pm
2 stops41h 20m
Seoul Gimpo Intl
Wed 3/3
7:50 pm-3:39 pm
2 stops34h 49m
$1,748
HarlingenIncheon
HRL Harlingen Valley Intl - ICN Incheon Intl
HRLICN
Harlingen Valley Intl
Sat 3/13
2:01 pm-5:15 pm
1 stop36h 14m
Incheon Intl
Fri 3/19
6:50 pm-10:52 pm
1 stop18h 02m
$1,946
HarlingenIncheon
HRL Harlingen Valley Intl - ICN Incheon Intl
HRLICN
Harlingen Valley Intl
Mon 11/9
10:44 am-5:15 pm
2 stops39h 31m
Incheon Intl
Tue 12/15
3:00 pm-6:10 pm
3 stops42h 10m
$2,111
HarlingenIncheon
HRL Harlingen Valley Intl - ICN Incheon Intl
HRLICN
Harlingen Valley Intl
Fri 3/12
5:05 am-4:15 pm
2 stops20h 10m
Incheon Intl
Thu 3/18
6:00 pm-1:20 pm
2 stops33h 20m
$2,169
HarlingenIncheon
HRL Harlingen Valley Intl - ICN Incheon Intl
HRLICN
Harlingen Valley Intl
Sat 3/13
5:05 pm-3:50 pm
1 stop31h 45m
Incheon Intl
Sun 3/21
9:20 pm-4:16 pm
2 stops56h 56m
$2,266
HarlingenSeoul
HRL Harlingen Valley Intl - GMP Seoul Gimpo Intl
HRLGMP
Harlingen Valley Intl
Sat 12/12
10:44 am-10:45 am
2 stops33h 01m
Seoul Gimpo Intl
Sat 12/19
12:05 pm-10:54 pm
2 stops25h 49m
$2,586
Showing 1-10 of 12 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Harlingen-Seoul flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Harlingen-Seoul flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Harlingen-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Harlingen-Seoul flights, Cheapflights users trust Ovago the most. Ovago 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-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.
HRL-SEL
HRL-ICN
HRL-GMP
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
HRL-SEL
HRL-ICN
HRL-GMP
No data available for this route at this time. Please check back soon.
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Harlingen
Popular flights
Seoul flight routes