$226+ Cheap flights from Seoul (SEL) to Heathrow (LHR)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — LHR
Sep 19 — Sep 261
Round-trip
1 adult, Economy
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Find cheap flights from Seoul to Heathrow 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.Cheapflights Tip: The best prices from Seoul to London Heathrow are usually found in November or December, booked 52 days in advance, depart on a Friday or Tuesday and return on a Friday
Cheap flight deals from Seoul to Heathrow
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Cheapest flights from Seoul to HeathrowExplore the most affordable flight options available from Seoul to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.
Explore the most affordable flight options available from Seoul to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2411:45 pm -
2 stops23h 50m
Tue 1/57:50 pm -
2 stops38h 10m
Deal found 8/19![Scandinavian Airlines logo]()
$701
This Justfly.com deal was found by Cheapflights users on 8/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/231:10 pm -
1 stop35h 45m
Wed 1/208:25 pm -
1 stop16h 30m
Deal found 8/19![Air China logo]()
$708
This FlightHub deal was found by Cheapflights users on 8/17. 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 11/92:25 pm -
1 stop36h 25m
Mon 11/165:40 pm -
1 stop34h 25m
Deal found 8/17![Air China logo]()
$713
This FlightHub deal was found by Cheapflights users on 8/20. 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.
Tue 9/299:40 am -
1 stop17h 40m
Tue 10/139:00 pm -
1 stop17h 10m
Deal found 8/20![China Southern logo]()
$715
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Wed 12/231:10 pm -
1 stop35h 45m
Sat 1/29:10 pm -
1 stop31h 45m
Deal found 8/18![Multiple Airlines logo]()
$728
This Air China deal was found by Cheapflights users on 8/16. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:10 am -
1 stop15h 40m
Thu 12/109:35 pm -
1 stop30h 20m
Deal found 8/16![Air China logo]()
$729
This Lufthansa deal was found by Cheapflights users on 8/18. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:30 pm -
1 stop16h 30m
Fri 12/118:30 am -
1 stop17h 30m
Deal found 8/18![Lufthansa logo]()
$731
This Scandinavian Airlines deal was found by Cheapflights users on 8/20. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1911:45 pm -
2 stops25h 40m
Sun 12/279:05 pm -
2 stops36h 55m
Deal found 8/20![Scandinavian Airlines logo]()
$734
This Booking.com deal was found by Cheapflights users on 8/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:15 pm -
1 stop34h 25m
Thu 9/179:20 pm -
1 stop15h 25m
Deal found 8/19![China Eastern logo]()
$735
This Air China deal was found by Cheapflights users on 8/17. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:25 pm -
1 stop34h 30m
Mon 11/168:25 pm -
1 stop31h 40m
Deal found 8/17![Air China logo]()
$735
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Thu 11/2611:45 pm -
2 stops25h 40m
Thu 12/107:05 am -
2 stops26h 55m
Deal found 8/18![Scandinavian Airlines logo]()
$737
This ITA Airways deal was found by Cheapflights users on 8/17. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:35 am -
2 stops23h 20m
Mon 12/78:45 am -
2 stops19h 15m
Deal found 8/17![Multiple Airlines logo]()
$792
Best flights from Seoul to HeathrowDiscover carefully curated flight deals from Seoul to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
Discover carefully curated flight deals from Seoul to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
This Lufthansa deal was found by Cheapflights users on 8/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/131:30 pm -
1 stop16h 30m
Wed 2/176:35 am -
2 stops19h 25m
Deal found 8/19![Lufthansa logo]()
$771
This ITA Airways deal was found by Cheapflights users on 8/16. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:35 am -
2 stops23h 20m
Mon 11/98:45 am -
2 stops19h 15m
Deal found 8/16![Multiple Airlines logo]()
$939
This Etihad Airways deal was found by Cheapflights users on 8/16. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:20 pm -
1 stop28h 45m
Tue 10/69:45 pm -
1 stop16h 30m
Deal found 8/16![Etihad Airways logo]()
$975
This Oman Air deal was found by Cheapflights users on 8/19. 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 Oman Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1811:05 am -
2 stops27h 50m
Tue 1/268:05 pm -
2 stops49h 25m
Deal found 8/19![Oman Air logo]()
$1,031
This Korean Air deal was found by Cheapflights users on 8/20. 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.
Mon 11/910:40 am -
Nonstop14h 50m
Mon 11/166:50 pm -
Nonstop12h 35m
Deal found 8/20![Korean Air logo]()
$1,039
This Virgin Atlantic deal was found by Cheapflights users on 8/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:25 pm -
Nonstop14h 25m
Wed 10/282:10 pm -
Nonstop12h 20m
Deal found 8/15![Virgin Atlantic logo]()
$1,042
This Malaysia Airlines deal was found by Cheapflights users on 8/15. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:10 am -
1 stop24h 25m
Fri 10/911:00 am -
1 stop26h 15m
Deal found 8/15![Malaysia Airlines logo]()
$1,046
This EVA Air deal was found by Cheapflights users on 8/18. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:45 pm -
2 stops31h 35m
Thu 9/249:35 pm -
2 stops29h 25m
Deal found 8/18![EVA Air logo]()
$1,048
This Lufthansa deal was found by Cheapflights users on 8/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2712:55 pm -
2 stops28h 10m
Fri 1/16:35 am -
2 stops19h 25m
Deal found 8/16![Lufthansa logo]()
$785
This Japan Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 9/2312:05 pm -
1 stop26h 20m
Tue 9/299:10 am -
1 stop17h 30m
Deal found 8/18![Japan Airlines logo]()
$1,681
This Lufthansa deal was found by Cheapflights users on 8/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/261:30 pm -
2 stops27h 15m
Fri 1/16:35 am -
2 stops19h 25m
Deal found 8/16![Lufthansa logo]()
$868
This ITA Airways deal was found by Cheapflights users on 8/20. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2312:55 pm -
2 stops27h 30m
Wed 1/207:40 am -
2 stops18h 20m
Deal found 8/20![Multiple Airlines logo]()
$1,022
This Korean Air deal was found by Cheapflights users on 8/17. 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.
Mon 10/510:55 am -
Nonstop14h 25m
Mon 10/266:50 pm -
Nonstop12h 35m
Deal found 8/17![Korean Air logo]()
$1,039
This ITA Airways deal was found by Cheapflights users on 8/17. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:40 am -
2 stops18h 30m
Tue 9/88:45 am -
1 stop14h 55m
Deal found 8/17![Multiple Airlines logo]()
$1,045
This EVA Air deal was found by Cheapflights users on 8/17. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:50 pm -
2 stops37h 30m
Sun 10/259:20 pm -
2 stops35h 40m
Deal found 8/17![EVA Air logo]()
$1,178
This EVA Air deal was found by Cheapflights users on 8/18. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:50 pm -
2 stops37h 30m
Thu 9/249:35 pm -
2 stops31h 15m
Deal found 8/18![EVA Air logo]()
$1,399
This ITA Airways deal was found by Cheapflights users on 8/17. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:35 am -
2 stops23h 20m
Mon 11/168:45 am -
2 stops19h 15m
Deal found 8/17![Multiple Airlines logo]()
$1,302
This FlightHub deal was found by Cheapflights users on 8/15. 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.
Wed 12/307:40 pm -
1 stop19h 45m
Tue 1/126:30 pm -
1 stop18h 35m
Deal found 8/15![Japan Airlines logo]()
$1,688
This Japan Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 11/512:05 pm -
1 stop27h 20m
Sat 11/148:50 am -
1 stop24h 30m
Deal found 8/19![Japan Airlines logo]()
$1,706
This EVA Air deal was found by Cheapflights users on 8/15. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/91:50 pm -
2 stops38h 15m
Sun 1/179:20 pm -
2 stops35h 40m
Deal found 8/15![EVA Air logo]()
$1,609
This Japan Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 11/612:05 pm -
1 stop27h 20m
Sun 11/158:50 am -
1 stop24h 30m
Deal found 8/19![Japan Airlines logo]()
$1,739
This Japan Airlines deal was found by Cheapflights users on 8/16. 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 12/2612:05 pm -
1 stop27h 20m
Fri 1/16:30 pm -
1 stop18h 35m
Deal found 8/16![Japan Airlines logo]()
$1,747
This Japan Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 11/612:05 pm -
1 stop27h 20m
Fri 11/136:30 pm -
1 stop18h 35m
Deal found 8/19![Japan Airlines logo]()
$1,771
This Japan Airlines deal was found by Cheapflights users on 8/16. 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.
Fri 12/257:40 pm -
1 stop19h 45m
Sun 1/36:30 pm -
1 stop18h 35m
Deal found 8/16![Japan Airlines logo]()
$1,783
Last-minute flights from Seoul to HeathrowDiscover last-minute flight deals from Seoul to Heathrow. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Seoul to Heathrow. Data last updated August 20, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:20 pm -
1 stop34h 20m
Fri 8/289:20 pm -
1 stop32h 10m
Deal found 8/17![China Eastern logo]()
$740
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Fri 8/282:30 pm -
1 stop36h 10m
Sat 9/59:20 pm -
1 stop30h 35m
Deal found 8/17![China Eastern logo]()
$746
This FlightHub deal was found by Cheapflights users on 8/16. 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.
Fri 8/289:40 am -
1 stop17h 40m
Sat 9/510:10 pm -
1 stop31h 45m
Deal found 8/16![China Southern logo]()
$749
This SmartFares deal was found by Cheapflights users on 8/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:50 am -
1 stop17h 35m
Fri 9/118:25 pm -
1 stop17h 35m
Deal found 8/18![Air China logo]()
$761
This Booking.com deal was found by Cheapflights users on 8/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:15 pm -
1 stop34h 25m
Thu 9/179:20 pm -
1 stop15h 25m
Deal found 8/19![China Eastern logo]()
$735
This Air China deal was found by Cheapflights users on 8/19. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:25 pm -
1 stop35h 15m
Thu 9/1710:40 pm -
1 stop30h 25m
Deal found 8/19![Air China logo]()
$920
This Super.com deal was found by Cheapflights users on 8/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:25 pm -
1 stop32h 15m
Fri 9/259:20 pm -
1 stop15h 25m
Deal found 8/16![China Eastern logo]()
$748
This Gotogate deal was found by Cheapflights users on 8/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:25 pm -
1 stop32h 15m
Thu 9/249:20 pm -
1 stop36h 05m
Deal found 8/20![China Eastern logo]()
$799
This Air China deal was found by Cheapflights users on 8/18. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:50 pm -
1 stop34h 35m
Thu 9/248:25 pm -
1 stop17h 35m
Deal found 8/18![Air China logo]()
$805
This FlightHub deal was found by Cheapflights users on 8/19. 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 9/281:35 am -
1 stop19h 10m
Tue 10/138:45 pm -
1 stop17h 30m
Deal found 8/19![Etihad Airways logo]()
$751
This FlightHub deal was found by Cheapflights users on 8/20. 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.
Tue 9/299:40 am -
1 stop17h 40m
Tue 10/139:00 pm -
1 stop17h 10m
Deal found 8/20![China Southern logo]()
$715
This ITA Airways deal was found by Cheapflights users on 8/15. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:40 am -
2 stops21h 00m
Mon 12/78:45 am -
2 stops19h 15m
Deal found 8/15![Multiple Airlines logo]()
$863
One-way flights from Seoul to HeathrowSearch for one-way flight options from Seoul to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
Search for one-way flight options from Seoul to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:15 pm -
1 stop36h 05m
Deal found 8/19![China Southern logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:40 am -
1 stop17h 40m
Deal found 8/18![China Southern logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:25 am -
1 stop16h 40m
Deal found 8/18![China Southern logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:15 pm -
1 stop36h 05m
Deal found 8/19![China Southern logo]()
$234
This FlightHub deal was found by Cheapflights users on 8/17. 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 10/199:40 am -
1 stop17h 40m
Deal found 8/17![China Southern logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:25 am -
1 stop16h 40m
Deal found 8/18![China Southern logo]()
$236
This Booking.com deal was found by Cheapflights users on 8/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:55 pm -
1 stop37h 20m
Deal found 8/16![Air China logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:30 pm -
1 stop36h 35m
Deal found 8/19![China Southern logo]()
$275
This China Southern deal was found by Cheapflights users on 8/18. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:30 pm -
1 stop36h 35m
Deal found 8/18![China Southern logo]()
$290
This CheapOair deal was found by Cheapflights users on 8/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:30 pm -
1 stop36h 55m
Deal found 8/18![Air China logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:40 am -
1 stop17h 40m
Deal found 8/18![China Southern logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:30 pm -
1 stop36h 35m
Deal found 8/19![China Southern logo]()
$311
Find flight deals from Seoul to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Heathrow (LHR). 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 August 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $701 (Scandinavian Airlines) |
One-way from | $226 (Kiwi.com) |
Popular in | October |
Cheapest in | November |
Average price | $1,131 |
Good round-trip deal | $984 or less |
Good one-way deal | $775 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seoul to Heathrow 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 August 20, 2026.
Use the filters below to find and compare flights from Seoul to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Wed 1/13
1:30 pm-9:00 pm
1 stop16h 30m
London Heathrow
Wed 2/17
6:35 am-11:00 am
2 stops19h 25m
$771
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Sun 12/27
12:55 pm-8:05 am
2 stops28h 10m
London Heathrow
Fri 1/1
6:35 am-11:00 am
2 stops19h 25m
$785
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Sat 12/26
1:30 pm-7:45 am
2 stops27h 15m
London Heathrow
Fri 1/1
6:35 am-11:00 am
2 stops19h 25m
$868
SeoulLondon
GMP Seoul Gimpo Intl - LHR London Heathrow
GMPLHR
Seoul Gimpo Intl
Wed 11/4
8:35 am-10:55 pm
2 stops23h 20m
London Heathrow
Mon 11/9
8:45 am-1:00 pm
2 stops19h 15m
$939
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Sun 9/27
6:20 pm-3:05 pm
1 stop28h 45m
London Heathrow
Tue 10/6
9:45 pm-10:15 pm
1 stop16h 30m
$975
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Wed 12/23
12:55 pm-7:25 am
2 stops27h 30m
London Heathrow
Wed 1/20
7:40 am-11:00 am
2 stops18h 20m
$1,022
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Mon 1/18
11:05 am-5:55 am
2 stops27h 50m
London Heathrow
Tue 1/26
8:05 pm-6:30 am
2 stops49h 25m
$1,031
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Mon 11/9
10:40 am-4:30 pm
Nonstop14h 50m
London Heathrow
Mon 11/16
6:50 pm-4:25 pm
Nonstop12h 35m
$1,039
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Mon 10/5
10:55 am-5:20 pm
Nonstop14h 25m
London Heathrow
Mon 10/26
6:50 pm-4:25 pm
Nonstop12h 35m
$1,039
Quickest round-trip
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Tue 10/20
12:25 pm-6:50 pm
Nonstop14h 25m
London Heathrow
Wed 10/28
2:10 pm-11:30 am
Nonstop12h 20m
$1,042
Showing 1-10 of 38 resultsSorted by cheapest first
Compare providers for flights from Seoul to Heathrow
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 Seoul to Heathrow in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 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 Seoul-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seoul-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seoul-London Heathrow Airport 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 Seoul to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Seoul with our price prediction graph.
SEL-LHR
ICN-LHR
GMP-LHR
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 Seoul to London Heathrow Airport
SEL-LHR
ICN-LHR
GMP-LHR
What is the cheapest month to book a flight from Seoul to London Heathrow Airport?
Currently, November is the cheapest month in which you can book a flight from Seoul to London Heathrow Airport (average of $680). Flying from Seoul to London Heathrow Airport in October is currently the most expensive (average of $1,216). 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.
What is the cheapest time of day to fly from SEL to LHR?
Find hourly flight availability from Seoul to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seoul to London Heathrow Airport as you normally would.
Weekly flight availability from Seoul to London Heathrow Airport
Explore weekly flight availability from Seoul to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 20, 2026.
The most flights from SEL to LHR are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Seoul to London Heathrow Airport?
Airfare is below average for this route at the moment.
Seoul to London Heathrow Airport flights typically cost between $862 and $1,258 in December.The cheapest round-trip price found within the last 5 days was $701 on Scandinavian Airlines (Dec 24-Jan 5).
What’s the top layover airport for flights from Seoul to London Heathrow Airport?
Share of 1-stop round-trip flights from Seoul to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Shanghai (PVG) – chosen by Cheapflights users on 38% of 1-stop itineraries from Seoul to London Heathrow Airport on Cheapflights.
What’s the cheapest layover airport for flights from Seoul to London Heathrow Airport?
Average round-trip fare for 1-stop flights from Seoul to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Frankfurt am Main (FRA) is the most affordable 1-stop option, with an average round-trip price of $766.
What’s the fastest layover option from Seoul to London Heathrow Airport?
Shortest average travel time for 1-stop one-way flights from Seoul to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Beijing (PKX) have the shortest average one-way travel time for 1-stop routes: 16h 32m.
Which airport typically offers the quickest layover for flights from Seoul to London Heathrow Airport?
Average layover duration for 1-stop one-way flights from Seoul to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 28m.
How far ahead should I book a flight from Seoul to London Heathrow Airport?
The best time to book flights from Seoul to London Heathrow Airport is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated August 20, 2026.
See what other customers who have flown with Asiana Airlines,Air China, andLufthansa from Seoul to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.1
Entertainment
7.6
Comfort
8.0
Food
8.0
Boarding
8.3
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Apr 2026
ICN - PEK
Overall
8.1
Entertainment
7.6
Comfort
8.0
Food
8.0
Boarding
8.3
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Apr 2026
ICN - PEK
Overall
8.1
Entertainment
7.6
Comfort
8.0
Food
8.0
Boarding
8.3
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Apr 2026
ICN - PEK
Overall
8.1
Entertainment
7.6
Comfort
8.0
Food
8.0
Boarding
8.3
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Apr 2026
ICN - PEK
Related info for your journey
Find useful and relevant information for your journey from Seoul to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Winchester
Gatwick
Hounslow
Wembley
Eastleigh
Harrow
Southend-on-Sea
Watford
Northampton
Dartford
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
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Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 20, 2026.
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Browse other Seoul and Heathrow flight options. Last updated on August 20, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Seoul to Heathrow
Discover the top 3 airlines that operate flights from Seoul to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$566 | Average$834 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$600 | Average$754 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$715 | Average$829 | FlexibilityNo cancel fee | On-time76% |