$368+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEL
Sep 30 — Oct 71
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
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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 31, 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 31, 2026.
This oojo deal was found by Cheapflights users on 8/30. 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.
Wed 11/49:30 pm -
1 stop29h 55m
Wed 11/181:30 pm -
1 stop37h 25m
Deal found 8/30![China Southern logo]()
$663
This China Southern deal was found by Cheapflights users on 8/29. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:00 pm -
1 stop31h 25m
Tue 10/201:30 pm -
1 stop36h 35m
Deal found 8/29![China Southern logo]()
$668
This China Southern deal was found by Cheapflights users on 8/28. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:00 pm -
1 stop31h 25m
Wed 10/141:30 pm -
1 stop36h 35m
Deal found 8/28![China Southern logo]()
$670
This Justfly.com deal was found by Cheapflights users on 8/31. 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.
Mon 10/269:30 pm -
1 stop29h 55m
Thu 11/51:30 pm -
1 stop37h 25m
Deal found 8/31![China Southern logo]()
$673
This Lufthansa deal was found by Cheapflights users on 8/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:30 am -
1 stop14h 30m
Tue 12/112:55 pm -
1 stop18h 25m
Deal found 8/29![Lufthansa logo]()
$692
This Gotogate deal was found by Cheapflights users on 8/30. 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.
Fri 9/189:20 pm -
1 stop15h 25m
Sat 10/33:50 pm -
2 stops34h 50m
Deal found 8/30![China Eastern logo]()
$694
This Lufthansa deal was found by Cheapflights users on 8/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:35 am -
2 stops19h 25m
Wed 12/21:30 pm -
1 stop18h 25m
Deal found 8/27![Lufthansa logo]()
$695
This Gotogate deal was found by Cheapflights users on 8/31. 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.
Wed 12/29:00 pm -
2 stops29h 15m
Wed 12/168:50 pm -
2 stops29h 40m
Deal found 8/31![China Eastern logo]()
$696
This Priceline deal was found by Cheapflights users on 8/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:20 pm -
1 stop36h 05m
Sat 10/173:50 pm -
2 stops34h 50m
Deal found 8/26![China Eastern logo]()
$698
This Shenzhen Airlines deal was found by Cheapflights users on 8/30. 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.
Fri 9/1810:05 pm -
1 stop32h 10m
Wed 9/303:15 pm -
1 stop36h 35m
Deal found 8/30![Shenzhen Airlines logo]()
$699
This Justfly.com deal was found by Cheapflights users on 8/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:00 pm -
1 stop31h 25m
Sun 10/41:30 pm -
1 stop36h 35m
Deal found 8/29![China Southern logo]()
$700
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:00 pm -
1 stop17h 10m
Fri 10/99:25 am -
1 stop16h 40m
Deal found 8/28![China Southern logo]()
$700
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 31, 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 31, 2026.
This ITA Airways deal was found by Cheapflights users on 8/31. 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 8/31![Multiple Airlines logo]()
$924
This Finnair deal was found by Cheapflights users on 8/30. 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 8/30![Finnair logo]()
$944
This Scandinavian Airlines deal was found by Cheapflights users on 8/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/197:50 pm -
2 stops38h 10m
Fri 4/911:35 pm -
1 stop22h 00m
Deal found 8/26![Scandinavian Airlines logo]()
$1,001
This Virgin Atlantic deal was found by Cheapflights users on 8/29. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:25 pm -
Nonstop12h 40m
Mon 11/21:20 pm -
Nonstop14h 30m
Deal found 8/29![Virgin Atlantic logo]()
$1,071
This Korean Air deal was found by Cheapflights users on 8/30. 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.
Tue 1/196:50 pm -
Nonstop12h 35m
Sat 1/3010:40 am -
Nonstop14h 50m
Deal found 8/30![Korean Air logo]()
$1,111
This Asiana Airlines deal was found by Cheapflights users on 8/27. 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 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 8/27![Asiana Airlines logo]()
$1,124
This Japan Airlines deal was found by Cheapflights users on 8/28. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:10 am -
1 stop28h 05m
Sat 10/107:15 pm -
1 stop28h 40m
Deal found 8/28![Japan Airlines logo]()
$1,681
This ITA Airways deal was found by Cheapflights users on 8/30. 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 12/78:45 am -
2 stops19h 05m
Wed 1/61:30 pm -
1 stop16h 30m
Deal found 8/30![Multiple Airlines logo]()
$1,031
This Virgin Atlantic deal was found by Cheapflights users on 8/29. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:25 pm -
Nonstop12h 40m
Sun 10/412:25 pm -
Nonstop14h 25m
Deal found 8/29![Virgin Atlantic logo]()
$1,071
This Korean Air deal was found by Cheapflights users on 8/28. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:50 pm -
Nonstop12h 35m
Tue 11/1010:40 am -
Nonstop14h 50m
Deal found 8/28![Korean Air logo]()
$1,113
This Finnair deal was found by Cheapflights users on 8/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:20 am -
1 stop17h 05m
Sun 1/311:00 pm -
1 stop30h 40m
Deal found 8/27![Finnair logo]()
$1,119
This Asiana Airlines deal was found by Cheapflights users on 8/27. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:35 pm -
Nonstop12h 45m
Sat 10/37:50 am -
Nonstop14h 30m
Deal found 8/27![Asiana Airlines logo]()
$1,154
This Virgin Atlantic deal was found by Cheapflights users on 8/28. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:25 pm -
Nonstop12h 40m
Sat 10/1712:25 pm -
Nonstop14h 25m
Deal found 8/28![Virgin Atlantic logo]()
$1,072
This ITA Airways deal was found by Cheapflights users on 8/31. 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
Mon 11/307:45 am -
2 stops22h 05m
Deal found 8/31![Multiple Airlines logo]()
$1,335
This Japan Airlines deal was found by Cheapflights users on 8/29. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:10 am -
1 stop28h 05m
Sun 10/188:00 am -
1 stop30h 25m
Deal found 8/29![Japan Airlines logo]()
$1,729
This Japan Airlines deal was found by Cheapflights users on 8/27. 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.
Sun 12/138:50 am -
1 stop24h 30m
Fri 1/17:40 pm -
1 stop28h 35m
Deal found 8/27![Japan Airlines logo]()
$1,871
This ITA Airways deal was found by Cheapflights users on 8/29. 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 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 8/29![Multiple Airlines logo]()
$1,729
This China Airlines deal was found by Cheapflights users on 8/28. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:50 am -
2 stops22h 05m
Thu 10/11:55 pm -
2 stops34h 20m
Deal found 8/28![Multiple Airlines logo]()
$1,902
Last-minute flights from Heathrow to SeoulDiscover last-minute flight deals from Heathrow to Seoul. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Seoul. Data last updated August 31, 2026 and is based on user searches.
This Shenzhen Airlines deal was found by Cheapflights users on 8/27. 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:05 pm -
1 stop32h 10m
Mon 9/283:15 pm -
1 stop36h 35m
Deal found 8/27![Shenzhen Airlines logo]()
$703
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:40 pm -
1 stop15h 20m
Sun 10/111:05 pm -
1 stop15h 20m
Deal found 8/28![Air China logo]()
$708
This Justfly.com deal was found by Cheapflights users on 8/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:00 pm -
1 stop31h 25m
Sun 10/41:30 pm -
1 stop36h 35m
Deal found 8/29![China Southern logo]()
$700
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:40 pm -
1 stop15h 20m
Sun 10/111:05 pm -
1 stop15h 20m
Deal found 8/28![Air China logo]()
$709
This FlightHub deal was found by Cheapflights users on 8/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:10 pm -
1 stop33h 15m
Sat 10/109:40 am -
1 stop17h 40m
Deal found 8/28![China Southern logo]()
$701
This China Southern deal was found by Cheapflights users on 8/29. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:00 pm -
1 stop31h 25m
Tue 10/201:30 pm -
1 stop36h 35m
Deal found 8/29![China Southern logo]()
$668
This China Southern deal was found by Cheapflights users on 8/28. 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 China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:00 pm -
1 stop31h 25m
Wed 10/141:30 pm -
1 stop36h 35m
Deal found 8/28![China Southern logo]()
$670
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:00 pm -
1 stop17h 10m
Fri 10/99:25 am -
1 stop16h 40m
Deal found 8/28![China Southern logo]()
$700
This Gotogate deal was found by Cheapflights users on 8/30. 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.
Fri 9/189:20 pm -
1 stop15h 25m
Sat 10/33:50 pm -
2 stops34h 50m
Deal found 8/30![China Eastern logo]()
$694
This Priceline deal was found by Cheapflights users on 8/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:20 pm -
1 stop36h 05m
Sat 10/173:50 pm -
2 stops34h 50m
Deal found 8/26![China Eastern logo]()
$698
This Shenzhen Airlines deal was found by Cheapflights users on 8/30. 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.
Fri 9/1810:05 pm -
1 stop32h 10m
Wed 9/303:15 pm -
1 stop36h 35m
Deal found 8/30![Shenzhen Airlines logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/1812:35 pm -
1 stop15h 55m
Sat 10/34:45 pm -
1 stop34h 35m
Deal found 8/30![Multiple Airlines logo]()
$704
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 31, 2026.
Search for one-way flight options from Heathrow to Seoul. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/198:50 pm -
2 stops41h 10m
Deal found 8/30![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/298:50 pm -
2 stops41h 10m
Deal found 8/30![Multiple Airlines logo]()
$375
This SmartFares deal was found by Cheapflights users on 8/30. 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 8/30![Air China logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:40 pm -
1 stop15h 20m
Deal found 8/29![Air China logo]()
$381
This FlightHub deal was found by Cheapflights users on 8/27. 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 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 8/27![XiamenAir logo]()
$384
This Justfly.com deal was found by Cheapflights users on 8/29. 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 Justfly.com 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 8/29![Air China logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:00 pm -
1 stop17h 10m
Deal found 8/29![China Southern logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:10 pm -
1 stop31h 45m
Deal found 8/28![China Southern logo]()
$391
This FlightHub deal was found by Cheapflights users on 8/30. 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 9/229:00 pm -
1 stop17h 10m
Deal found 8/30![China Southern logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:50 pm -
3 stops31h 15m
Deal found 8/28![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/158:00 pm -
2 stops33h 30m
Deal found 8/30![Multiple Airlines logo]()
$430
This Booking.com deal was found by Cheapflights users on 8/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:45 pm -
1 stop39h 50m
Deal found 8/28![Hainan Airlines logo]()
$432
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 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $663 (oojo) |
One-way from | $368 (Kiwi.com) |
Popular in | August |
Cheapest in | January |
Average price | $1,089 |
Good round-trip deal | $1,120 or less |
Good one-way deal | $778 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 31, 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
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
$924
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
$944
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Tue 1/19
7:50 pm-7:00 pm
2 stops38h 10m
Incheon Intl
Fri 4/9
11:35 pm-1:35 pm
1 stop22h 00m
$1,001
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Mon 12/7
8:45 am-12:50 pm
2 stops19h 05m
Incheon Intl
Wed 1/6
1:30 pm-9:00 pm
1 stop16h 30m
$1,031
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Mon 10/5
1:25 pm-10:05 am
Nonstop12h 40m
Incheon Intl
Mon 11/2
1:20 pm-6:50 pm
Nonstop14h 30m
$1,071
Quickest round-trip
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Thu 9/24
1:25 pm-10:05 am
Nonstop12h 40m
Incheon Intl
Sun 10/4
12:25 pm-6:50 pm
Nonstop14h 25m
$1,071
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Sun 9/20
1:25 pm-10:05 am
Nonstop12h 40m
Incheon Intl
Sat 10/17
12:25 pm-6:50 pm
Nonstop14h 25m
$1,072
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Tue 1/19
6:50 pm-4:25 pm
Nonstop12h 35m
Incheon Intl
Sat 1/30
10:40 am-4:30 pm
Nonstop14h 50m
$1,111
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Mon 10/26
6:50 pm-4:25 pm
Nonstop12h 35m
Incheon Intl
Tue 11/10
10:40 am-4:30 pm
Nonstop14h 50m
$1,113
LondonIncheon
LHR London Heathrow - ICN Incheon Intl
LHRICN
London Heathrow
Sun 12/6
10:20 am-12:25 pm
1 stop17h 05m
Incheon Intl
Sun 1/3
11:00 pm-8:40 pm
1 stop30h 40m
$1,119
Showing 1-10 of 37 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 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-GMP
LHR-ICN
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-GMP
LHR-ICN
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 $627). Flying from London Heathrow Airport to Seoul in August is currently the most expensive (average of $1,107). 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 31, 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 31, 2026.
The most flights from LHR to SEL 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 London Heathrow Airport to Seoul?
Airfare is below average for this route at the moment.
London Heathrow Airport to Seoul flights typically cost between $825 and $1,102 in November.The cheapest round-trip price found within the last 5 days was $663 on China Southern (Nov 4-Nov 18).
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 58 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 31, 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.
Food
8.1
Entertainment
8.2
Comfort
8.3
Boarding
8.5
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Entertainment
8.2
Comfort
8.3
Boarding
8.5
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Entertainment
8.2
Comfort
8.3
Boarding
8.5
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Entertainment
8.2
Comfort
8.3
Boarding
8.5
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Entertainment
8.2
Comfort
8.3
Boarding
8.5
Overall
8.4
Crew
8.7
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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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 31, 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 31, 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 31, 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 31, 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$1,147 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$910 | Average$1,177 | FlexibilityNo cancel fee | On-time72% |