Cheap flights from Seoul to London Heathrow Airport from £172
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — LHR
9 Oct — 16 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seoul to London Heathrow are usually found in November or February, booked 23 days in advance, depart on a Monday or Saturday and return on a Monday
Cheap flight deals from Seoul to Heathrow
Enter your travel dates to find the best prices.
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One-way
Cheapest flights from Seoul to Heathrow
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 9 September 2026.
Tue 24/1112:15 -
1 stop30h 20m
Sat 28/1106:30 -
1 stop15h 30m
Deal found 5/9£415
Mon 7/1212:15 -
1 stop18h 45m
Sat 12/1206:30 -
1 stop15h 30m
Deal found 8/9£423
Thu 22/1009:25 -
1 stop16h 40m
Tue 27/1021:30 -
1 stop15h 40m
Deal found 8/9£425
Wed 7/1008:10 -
1 stop21h 50m
Tue 1/1206:30 -
1 stop15h 30m
Deal found 6/9£425
Sun 20/1208:40 -
1 stop33h 55m
Wed 6/116:50 -
1 stop29h 10m
Deal found 4/9£426
Mon 28/1212:15 -
1 stop38h 05m
Mon 4/118:20 -
1 stop27h 40m
Deal found 4/9£427
Sun 20/1208:40 -
1 stop22h 20m
Wed 30/1210:35 -
1 stop35h 25m
Deal found 4/9£428
Tue 17/1112:15 -
1 stop38h 05m
Mon 30/1106:30 -
1 stop19h 00m
Deal found 5/9£428
Mon 23/1112:15 -
1 stop30h 20m
Fri 27/1110:35 -
1 stop35h 25m
Deal found 8/9£429
Mon 23/1112:15 -
1 stop38h 05m
Mon 14/1206:30 -
1 stop19h 00m
Deal found 6/9£430
Mon 23/1112:15 -
1 stop30h 20m
Sun 29/1118:20 -
1 stop31h 10m
Deal found 6/9£431
Mon 7/1212:15 -
1 stop18h 45m
Tue 5/106:30 -
1 stop15h 30m
Deal found 6/9£431
Best flights from Seoul to Heathrow
Discover carefully curated flight deals from Seoul to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.
Sat 24/1015:15 -
1 stop36h 55m
Wed 4/1121:10 -
1 stop33h 50m
Deal found 7/9£497
Fri 4/1223:45 -
1 stop18h 35m
Wed 9/1210:35 -
2 stops23h 25m
Deal found 4/9£513
Fri 4/1213:30 -
1 stop18h 25m
Fri 11/1207:40 -
1 stop18h 35m
Deal found 8/9£550
Wed 4/1108:35 -
2 stops23h 20m
Mon 9/1108:45 -
2 stops19h 20m
Deal found 3/9£637
Tue 10/1119:40 -
1 stop19h 45m
Fri 13/1118:10 -
2 stops55h 35m
Deal found 6/9£1,041
Sat 28/1123:45 -
1 stop30h 55m
Tue 1/1210:35 -
2 stops23h 25m
Deal found 5/9£547
Mon 1/212:55 -
1 stop18h 25m
Wed 10/206:35 -
2 stops19h 25m
Deal found 8/9£576
Wed 3/213:30 -
1 stop16h 30m
Mon 8/207:40 -
2 stops18h 20m
Deal found 5/9£582
Mon 28/917:45 -
1 stop34h 05m
Sat 24/1022:05 -
1 stop33h 55m
Deal found 4/9£683
Sat 24/1023:35 -
1 stop27h 55m
Sat 31/1015:35 -
2 stops42h 25m
Deal found 7/9£671
Sun 31/112:55 -
2 stops28h 10m
Wed 17/206:35 -
2 stops19h 25m
Deal found 8/9£614
Sun 20/920:50 -
2 stops27h 10m
Fri 25/907:40 -
2 stops28h 10m
Deal found 3/9£773
Mon 15/212:55 -
2 stops28h 10m
Mon 22/206:35 -
2 stops19h 25m
Deal found 6/9£617
Wed 13/113:30 -
1 stop16h 30m
Mon 18/119:15 -
2 stops30h 45m
Deal found 5/9£624
Wed 20/112:55 -
2 stops28h 10m
Fri 29/106:35 -
2 stops19h 25m
Deal found 6/9£626
Wed 7/1019:15 -
1 stop19h 10m
Tue 13/1009:10 -
1 stop24h 45m
Deal found 5/9£1,060
Sun 4/1008:00 -
1 stop30h 25m
Mon 12/1009:10 -
1 stop28h 05m
Deal found 5/9£1,060
Thu 10/1208:40 -
2 stops21h 10m
Mon 14/1208:45 -
2 stops19h 20m
Deal found 5/9£1,086
Mon 5/1008:00 -
1 stop30h 25m
Thu 8/1009:10 -
1 stop28h 05m
Deal found 4/9£1,081
Thu 1/1008:00 -
1 stop30h 25m
Wed 7/1009:10 -
1 stop17h 30m
Deal found 4/9£1,081
Thu 5/1119:40 -
1 stop19h 45m
Sun 15/1118:30 -
1 stop18h 35m
Deal found 5/9£1,085
Mon 26/1019:40 -
1 stop19h 45m
Mon 2/1108:50 -
1 stop24h 30m
Deal found 7/9£1,092
Direct flights from Seoul to Heathrow
Explore direct flight options from Seoul to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 September 2026.
Wed 4/1113:20 -
Nonstop14h 30m
Mon 9/1114:10 -
Nonstop12h 20m
Deal found 3/9£639
Thu 3/1213:20 -
Nonstop14h 30m
Mon 7/1214:10 -
Nonstop12h 20m
Deal found 4/9£661
Thu 5/1113:20 -
Nonstop14h 30m
Sun 15/1114:10 -
Nonstop12h 20m
Deal found 8/9£704
Wed 4/1113:20 -
Nonstop14h 30m
Sun 8/1114:10 -
Nonstop12h 20m
Deal found 5/9£705
Thu 5/1113:20 -
Nonstop14h 30m
Tue 10/1114:10 -
Nonstop12h 20m
Deal found 3/9£705
Fri 6/1113:20 -
Nonstop14h 30m
Sun 15/1114:10 -
Nonstop12h 20m
Deal found 6/9£707
Thu 5/1113:20 -
Nonstop14h 30m
Tue 10/1114:10 -
Nonstop12h 20m
Deal found 3/9£709
Tue 3/1113:20 -
Nonstop14h 30m
Wed 4/1114:10 -
Nonstop12h 20m
Deal found 4/9£710
Tue 19/113:20 -
Nonstop14h 30m
Tue 26/114:10 -
Nonstop12h 20m
Deal found 5/9£713
Last-minute flights from Seoul to Heathrow
Discover last-minute flight deals from Seoul to Heathrow. Data last updated 9 September 2026 and is based on user searches.
Wed 7/1008:10 -
1 stop21h 50m
Tue 1/1206:30 -
1 stop15h 30m
Deal found 6/9£425
Wed 7/1008:10 -
1 stop17h 00m
Wed 2/1218:20 -
1 stop27h 40m
Deal found 6/9£426
Mon 12/1011:15 -
1 stop30h 05m
Mon 30/1118:20 -
1 stop27h 40m
Deal found 6/9£429
Tue 13/1009:25 -
1 stop16h 40m
Tue 27/1021:30 -
1 stop15h 40m
Deal found 8/9£437
Fri 16/1009:25 -
1 stop16h 40m
Tue 27/1021:30 -
1 stop15h 40m
Deal found 8/9£434
Mon 19/1009:25 -
1 stop16h 40m
Mon 26/1021:30 -
1 stop15h 40m
Deal found 4/9£428
Mon 19/1009:25 -
1 stop16h 40m
Tue 27/1021:30 -
1 stop15h 40m
Deal found 4/9£438
Tue 20/1015:15 -
1 stop36h 05m
Fri 20/1121:30 -
1 stop15h 40m
Deal found 8/9£431
Tue 20/1015:15 -
1 stop36h 05m
Wed 28/1021:30 -
1 stop15h 40m
Deal found 5/9£433
Tue 20/1009:25 -
1 stop16h 40m
Sun 25/1021:30 -
1 stop15h 40m
Deal found 7/9£435
Thu 22/1009:25 -
1 stop16h 40m
Tue 27/1021:30 -
1 stop15h 40m
Deal found 8/9£425
Fri 23/1009:25 -
1 stop16h 40m
Thu 5/1121:30 -
1 stop15h 40m
Deal found 8/9£436
One-way flights from Seoul to Heathrow
Search for one-way flight options from Seoul to Heathrow. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.
Thu 15/1016:15 -
1 stop34h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£172
Tue 13/1016:20 -
1 stop34h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£173
Thu 22/1018:25 -
1 stop32h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£174
Mon 12/1009:25 -
1 stop16h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£174
Mon 30/1109:25 -
1 stop18h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£177
Wed 14/1009:25 -
1 stop16h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£177
Wed 14/1016:20 -
1 stop34h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/9£179
Fri 9/1016:15 -
1 stop34h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/9£179
Sat 17/1009:25 -
1 stop16h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£183
Wed 14/1013:30 -
1 stop36h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£183
Tue 13/1013:30 -
1 stop36h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£187
Sun 18/1013:30 -
1 stop36h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£208
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 9 September 2026.
Customise 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 9 September 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
Price
Cheapest return flight
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Thu 15/10
16:15-18:40
1 stop34h 25m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£175
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Tue 8/12
16:10-17:30
1 stop34h 20m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£205
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Wed 7/10
10:35-16:55
1 stop38h 20m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£249
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Tue 8/12
19:55-18:00
3 stops31h 05m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£297
SeoulLondon
GMP Seoul Gimpo Intl - LHR London Heathrow
GMPLHR
Seoul Gimpo Intl
Sat 17/10
07:20-08:55
3 stops33h 35m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£304
SeoulLondon
GMP Seoul Gimpo Intl - LHR London Heathrow
GMPLHR
Seoul Gimpo Intl
Fri 6/11
08:35-22:55
2 stops23h 20m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£332
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Sun 18/10
08:20-22:40
2 stops22h 20m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£334
SeoulLondon
GMP Seoul Gimpo Intl - LHR London Heathrow
GMPLHR
Seoul Gimpo Intl
Wed 4/11
08:35-21:00
2 stops21h 25m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£335
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Sun 21/2
13:30-07:45
2 stops27h 15m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£357
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Sat 27/2
13:30-07:45
2 stops27h 15m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£357
Flights are sorted by cheapest return flights first.
Deals found on 8/9
Showing 1-10 of 45 resultsSorted by cheapest first
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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 return 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 £500). Flying from Seoul to London Heathrow Airport in October is currently the most expensive (average of £829). 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 9 September 2026.
When flying from Seoul to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 9 September 2026.
The most flights from SEL to LHR are scheduled on a Monday (4 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 for a return flight 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 £595 and £916 in March.The cheapest return price found within the last 5 days was £410 on Scandinavian Airlines (5 Mar–8 Mar).
What’s the top stopover airport for flights from Seoul to London Heathrow Airport?
Share of one-stop return flights from Seoul to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Beijing (PEK) – chosen by Cheapflights users on 36% of one-stop itineraries from Seoul to London Heathrow Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Seoul to London Heathrow Airport?
Average return fare for one-stop flights from Seoul to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Shenzhen (SZX) is the most affordable one-stop option, with an average return flight price of £345.
What’s the fastest stopover option from Seoul to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Seoul to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Beijing (PKX) have the shortest average one-way travel time for one-stop routes: 16h 40m.
Which airport typically offers the quickest stopover for flights from Seoul to London Heathrow Airport?
Average stopover duration for one-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 Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 48m.
How far ahead should I book a flight from Seoul to London Heathrow Airport?
Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 9 September 2026.
Read reviews from past customers who have flown with Asiana Airlines,Air China, andVirgin Atlantic
from Seoul to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food was better and a smaller business class made the experience more personal.
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.
How long is the flight from Seoul to London Heathrow Airport?
Shenzhen Airlines, Scandinavian Airlines, and Lufthansa can get you from Seoul to London Heathrow Airport in just under 18h 25m. Your travel time can differ by up to 18h 30m. Airlines will cover a distance of 5503 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Seoul to London Heathrow Airport round-trip?
Air China, at £460, was found to be the cheapest airline from Seoul to London Heathrow Airport.Alternate airlines flying return to your destination include Asiana Airlines and Virgin Atlantic. These flights start at 29% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Seoul to London Heathrow Airport one-way?
The cheapest airline one-way is China Eastern, with whom users have recently found tickets for as low as £118. However, be on the lookout for offers from Air China and Etihad Airways, as they are both options that can get you from Seoul to London Heathrow Airport for a low price.
What are the most reliable airlines from Seoul to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seoul to London Heathrow Airport on time: Virgin Atlantic (85%), Korean Air (74%), Asiana Airlines (71%).
What are the cheapest flights from Seoul to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for £364. While the most popular route (Incheon Intl - London Heathrow) can be booked for £456 on average, our data indicates £1,059 when flying from Seoul to London Heathrow Airport.
Can I find deals for business class flights from Seoul to Heathrow?
Yes. Cheapflights offers flight deals from Seoul to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
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 £500). Flying from Seoul to London Heathrow Airport in October is currently the most expensive (average of £829). 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.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 September 2026.
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 9 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Seoul to Heathrow?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Seoul today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Seoul to Heathrow?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seoul to Heathrow.
Can Cheapflights find flights from Seoul to Heathrow with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Seoul to Heathrow flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Seoul to Heathrow become cheaper?
Yes! Start tracking prices for Seoul to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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