$375+ Cheap flights from Heathrow (LHR) to Seoul (SEL)
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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEL
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Heathrow 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.Cheapflights Tip: The best prices from London Heathrow to Seoul are usually found in January or November, booked 24 days in advance, depart on a Friday or Wednesday and return on a Friday
Cheap flight deals from Heathrow to Seoul
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to SeoulExplore the most affordable flight options available from Heathrow to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from Heathrow to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 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.
Fri 11/278:45 am -
1 stop17h 30m
Sun 1/241:30 pm -
2 stops27h 15m
Deal found 8/19![Lufthansa logo]()
$743
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:40 pm -
1 stop34h 25m
Mon 11/92:25 pm -
1 stop34h 30m
Deal found 8/16![Air China logo]()
$745
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:40 pm -
1 stop30h 25m
Sun 10/112:25 pm -
1 stop35h 15m
Deal found 8/20![Air China logo]()
$750
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:25 pm -
1 stop17h 35m
Mon 9/141:05 pm -
1 stop15h 20m
Deal found 8/20![Air China logo]()
$750
This Air China 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:35 pm -
1 stop30h 20m
Sat 11/2111:10 am -
1 stop15h 40m
Deal found 8/20![Air China 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.
Wed 9/98:25 pm -
1 stop17h 35m
Sun 10/41:05 pm -
1 stop36h 35m
Deal found 8/20![Air China logo]()
$755
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:40 pm -
1 stop30h 25m
Thu 10/292:25 pm -
1 stop34h 30m
Deal found 8/17![Air China logo]()
$757
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.
Wed 9/29:00 pm -
1 stop17h 10m
Wed 9/169:40 am -
1 stop17h 40m
Deal found 8/20![China Southern logo]()
$757
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.
Sun 9/69:00 pm -
1 stop17h 10m
Sun 9/133:15 pm -
1 stop36h 05m
Deal found 8/19![China Southern logo]()
$758
This Shenzhen 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:10 pm -
1 stop33h 50m
Fri 11/135:00 pm -
1 stop35h 10m
Deal found 8/19![Shenzhen Airlines logo]()
$759
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:55 am -
1 stop16h 40m
Mon 9/2811:40 am -
1 stop17h 45m
Deal found 8/20![Air France logo]()
$763
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:15 pm -
1 stop37h 25m
Fri 9/2512:20 pm -
1 stop38h 40m
Deal found 8/17![Air India logo]()
$766
Best flights from Heathrow to SeoulDiscover carefully curated flight deals from Heathrow to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Heathrow to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
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.
Mon 11/233:35 pm -
2 stops18h 25m
Fri 11/2711:45 pm -
2 stops25h 40m
Deal found 8/20![Scandinavian Airlines logo]()
$810
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:15 pm -
1 stop35h 10m
Wed 1/611:00 pm -
1 stop19h 10m
Deal found 8/16![Finnair logo]()
$897
This ITA Airways 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:45 am -
2 stops19h 15m
Fri 11/208:35 am -
2 stops21h 25m
Deal found 8/18![Multiple Airlines logo]()
$921
This Oman 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 Oman Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:50 pm -
2 stops50h 20m
Sun 9/1311:00 am -
2 stops40h 10m
Deal found 8/20![Oman Air logo]()
$1,092
This Asiana 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:35 pm -
Nonstop12h 45m
Thu 9/247:50 am -
Nonstop14h 30m
Deal found 8/16![Asiana Airlines logo]()
$1,112
This Japan Airlines 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:10 am -
1 stop24h 45m
Wed 9/167:15 pm -
1 stop28h 40m
Deal found 8/17![Japan Airlines logo]()
$1,852
This EVA Air 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:35 pm -
2 stops37h 40m
Sat 9/121:50 pm -
2 stops37h 30m
Deal found 8/16![EVA Air logo]()
$1,983
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:35 pm -
1 stop37h 50m
Sun 1/311:00 pm -
1 stop27h 00m
Deal found 8/16![Finnair logo]()
$1,040
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/139:05 pm -
2 stops36h 55m
Fri 1/111:45 pm -
2 stops42h 10m
Deal found 8/17![Scandinavian Airlines logo]()
$1,110
This Asiana 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:35 pm -
Nonstop12h 45m
Wed 9/167:50 am -
Nonstop14h 30m
Deal found 8/19![Asiana Airlines logo]()
$1,117
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/131:35 pm -
1 stop37h 50m
Tue 1/511:00 pm -
1 stop30h 40m
Deal found 8/20![Finnair logo]()
$1,118
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.
Mon 12/148:45 am -
2 stops19h 15m
Tue 1/57:45 am -
2 stops22h 05m
Deal found 8/17![Multiple Airlines logo]()
$1,717
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.
Tue 9/299:10 am -
1 stop24h 45m
Mon 10/127:15 pm -
1 stop28h 40m
Deal found 8/19![Japan Airlines logo]()
$1,941
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.
Mon 11/98:40 am -
1 stop24h 40m
Tue 11/247:40 pm -
1 stop19h 45m
Deal found 8/18![Japan Airlines logo]()
$2,043
This Japan 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:20 am -
2 stops23h 00m
Thu 11/1212:05 pm -
2 stops37h 55m
Deal found 8/20![Japan Airlines logo]()
$2,058
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.
Sat 1/168:40 am -
1 stop28h 25m
Thu 1/287:40 pm -
1 stop19h 45m
Deal found 8/18![Japan Airlines logo]()
$2,088
Last-minute flights from Heathrow to SeoulDiscover last-minute flight deals from Heathrow to Seoul. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Seoul. Data last updated August 21, 2026 and is based on user searches.
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 8/279:20 pm -
1 stop15h 25m
Thu 9/108:15 pm -
2 stops30h 25m
Deal found 8/19![Multiple Airlines logo]()
$779
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.
Wed 9/29:00 pm -
1 stop17h 10m
Wed 9/169:40 am -
1 stop17h 40m
Deal found 8/20![China Southern logo]()
$757
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.
Sun 9/69:00 pm -
1 stop17h 10m
Sun 9/133:15 pm -
1 stop36h 05m
Deal found 8/19![China Southern logo]()
$758
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:40 pm -
1 stop15h 20m
Mon 9/1411:00 am -
2 stops40h 10m
Deal found 8/16![Multiple Airlines logo]()
$780
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.
Wed 9/98:25 pm -
1 stop17h 35m
Sun 10/41:05 pm -
1 stop36h 35m
Deal found 8/20![Air China logo]()
$755
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:25 pm -
1 stop17h 35m
Mon 9/141:05 pm -
1 stop15h 20m
Deal found 8/20![Air China logo]()
$750
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 9/109:45 am -
1 stop40h 55m
Thu 9/1712:20 pm -
1 stop31h 10m
Deal found 8/18![Air India logo]()
$775
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:15 pm -
1 stop37h 25m
Fri 9/2512:20 pm -
1 stop38h 40m
Deal found 8/17![Air India logo]()
$766
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:45 am -
1 stop40h 55m
Wed 9/2312:20 pm -
1 stop38h 40m
Deal found 8/19![Air India logo]()
$772
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:35 pm -
1 stop15h 55m
Mon 9/287:30 pm -
2 stops32h 20m
Deal found 8/18![Multiple Airlines logo]()
$778
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:55 am -
1 stop16h 40m
Mon 9/2811:40 am -
1 stop17h 45m
Deal found 8/20![Air France logo]()
$763
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:00 pm -
1 stop31h 25m
Wed 9/301:30 pm -
1 stop36h 35m
Deal found 8/17![China Southern logo]()
$801
One-way flights from Heathrow to SeoulSearch for one-way flight options from Heathrow to Seoul. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Heathrow to Seoul. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:40 pm -
1 stop15h 20m
Deal found 8/16![Air China logo]()
$375
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:00 pm -
1 stop30h 55m
Deal found 8/17![Air China logo]()
$377
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:40 pm -
1 stop15h 20m
Deal found 8/16![Air China logo]()
$382
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.
Sun 9/2012:35 pm -
1 stop15h 55m
Deal found 8/19![XiamenAir logo]()
$383
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.
Mon 9/149:00 pm -
1 stop17h 10m
Deal found 8/18![China Southern logo]()
$388
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:10 pm -
1 stop33h 15m
Deal found 8/16![China Southern logo]()
$389
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.
Sun 9/2010:40 pm -
1 stop33h 55m
Deal found 8/17![Air China logo]()
$390
This Air China deal was found by Cheapflights users on 8/21. 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.
Sun 9/1310:40 pm -
1 stop33h 55m
Deal found 8/21![Air China logo]()
$392
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 9/153:00 pm -
3 stops37h 55m
Deal found 8/18![Multiple Airlines logo]()
$397
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.
Fri 9/1110:10 pm -
1 stop33h 15m
Deal found 8/18![China Southern logo]()
$401
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.
Mon 9/149:00 pm -
2 stops28h 10m
Deal found 8/18![Multiple Airlines logo]()
$450
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 9/159:00 pm -
2 stops27h 25m
Deal found 8/18![Multiple Airlines logo]()
$459
Find flight deals from Heathrow to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $743 (Lufthansa) |
One-way from | $375 (SmartFares) |
Popular in | December |
Cheapest in | January |
Average price | $1,055 |
Good round-trip deal | $1,146 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Heathrow 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 August 21, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Mon 11/23
3:35 pm-7:00 pm
2 stops18h 25m
Incheon Intl
Fri 11/27
11:45 pm-4:25 pm
2 stops25h 40m
$810
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Mon 12/7
4:15 pm-12:25 pm
1 stop35h 10m
Incheon Intl
Wed 1/6
11:00 pm-9:10 am
1 stop19h 10m
$897
LondonSeoul
LHR London Heathrow - GMP Seoul Gimpo Intl
LHRGMP
London Heathrow
Mon 11/9
8:45 am-1:00 pm
2 stops19h 15m
Seoul Gimpo Intl
Fri 11/20
8:35 am-9:00 pm
2 stops21h 25m
$921
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Sun 12/6
1:35 pm-12:25 pm
1 stop37h 50m
Incheon Intl
Sun 1/3
11:00 pm-5:00 pm
1 stop27h 00m
$1,040
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Fri 9/4
8:50 pm-7:10 am
2 stops50h 20m
Incheon Intl
Sun 9/13
11:00 am-7:10 pm
2 stops40h 10m
$1,092
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Sun 12/13
9:05 pm-7:00 pm
2 stops36h 55m
Incheon Intl
Fri 1/1
11:45 pm-8:55 am
2 stops42h 10m
$1,110
Quickest round-trip
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Sun 9/13
4:35 pm-1:20 pm
Nonstop12h 45m
Incheon Intl
Thu 9/24
7:50 am-2:20 pm
Nonstop14h 30m
$1,112
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Wed 9/2
4:35 pm-1:20 pm
Nonstop12h 45m
Incheon Intl
Wed 9/16
7:50 am-2:20 pm
Nonstop14h 30m
$1,117
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Sun 12/13
1:35 pm-12:25 pm
1 stop37h 50m
Incheon Intl
Tue 1/5
11:00 pm-8:40 pm
1 stop30h 40m
$1,118
LondonSeoul
LHR London Heathrow - GMP Seoul Gimpo Intl
LHRGMP
London Heathrow
Mon 12/14
8:45 am-1:00 pm
2 stops19h 15m
Seoul Gimpo Intl
Tue 1/5
7:45 am-8:50 pm
2 stops22h 05m
$1,717
Showing 1-10 of 38 resultsSorted by cheapest first
Compare providers for flights from Heathrow 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 Heathrow to Seoul in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Seoul 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 London Heathrow Airport-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 Heathrow to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Heathrow with our price prediction graph.
LHR-SEL
LHR-ICN
LHR-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 London Heathrow Airport to Seoul
LHR-SEL
LHR-ICN
LHR-GMP
What is the cheapest month to book a flight from London Heathrow Airport to Seoul?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Seoul (average of $629). Flying from London Heathrow Airport to Seoul in July is currently the most expensive (average of $1,083). 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 LHR to SEL?
Find hourly flight availability from Heathrow to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Seoul as you normally would.
Weekly flight availability from London Heathrow Airport to Seoul
Explore weekly flight availability from Heathrow to Seoul. 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 21, 2026.
The most flights from LHR to SEL are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from London Heathrow Airport to Seoul?
Airfare is below average for this route at the moment.
London Heathrow Airport to Seoul flights typically cost between $835 and $1,174 in November.The cheapest round-trip price found within the last 5 days was $743 on Lufthansa (Nov 27-Jan 24).
What’s the top layover airport for flights from London Heathrow Airport to Seoul?
Share of 1-stop round-trip flights from London Heathrow Airport to Seoul chosen by Cheapflights users in the past 12 months, using the same layover each way.
Beijing (PEK) – chosen by Cheapflights users on 40% of 1-stop itineraries from London Heathrow Airport to Seoul on Cheapflights.
What’s the cheapest layover airport for flights from London Heathrow Airport to Seoul?
Average round-trip fare for 1-stop flights from London Heathrow Airport to Seoul, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Beijing (PEK) is the most affordable 1-stop option, with an average round-trip price of $544.
What’s the fastest layover option from London Heathrow Airport to Seoul?
Shortest average travel time for 1-stop one-way flights from London Heathrow Airport to Seoul, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Munich (MUC) have the shortest average one-way travel time for 1-stop routes: 15h 05m.
Which airport typically offers the quickest layover for flights from London Heathrow Airport to Seoul?
Average layover duration for 1-stop one-way flights from London Heathrow Airport to Seoul, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Munich (MUC) offer the fastest connection on this route, with an average layover time of 1h 35m.
How far ahead should I book a flight from London Heathrow Airport to Seoul?
Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Seoul
Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated August 21, 2026.
Peruse reviews from past customers who have flown with Korean Air,Asiana Airlines, andVirgin Atlantic from London Heathrow Airport to Seoul to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.3
Entertainment
8.2
Boarding
8.5
Crew
8.7
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Entertainment
8.2
Boarding
8.5
Crew
8.7
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Entertainment
8.2
Boarding
8.5
Crew
8.7
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Entertainment
8.2
Boarding
8.5
Crew
8.7
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Comfort
8.3
Entertainment
8.2
Boarding
8.5
Crew
8.7
Food
8.1
Overall
8.4
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
Find useful and relevant information for your journey from Heathrow 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.
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Complete your trip
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Popular flights
Seoul flight routes
Alternative routes for Heathrow to Seoul
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seoul by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Heathrow to Seoul by cabin class
Find flights from Heathrow to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Heathrow and Seoul flights
Browse other Heathrow and Seoul flight options. Last updated on August 21, 2026.
Other flights from Heathrow
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seoul
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Top 4 airlines flying from Heathrow to Seoul
Discover the top 4 airlines that operate flights from Heathrow to Seoul. 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 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$871 | Average$1,459 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$884 | Average$1,137 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$898 | Average$1,128 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$910 | Average$1,177 | FlexibilityNo cancel fee | On-time72% |