Cheap flights from Incheon Intl Airport to London Heathrow Airport from £173
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
11 Dec — 18 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to London Heathrow are usually found in May or November, booked 78 days in advance, depart on a Monday or Saturday and return on a Monday
Cheap flight deals from Incheon Intl to Heathrow
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from Incheon Intl to Heathrow
Explore the most affordable flight options available from Incheon Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 November 2026.
Sun 27/1208:40 -
1 stop33h 55m
Wed 30/1210:35 -
1 stop35h 25m
Deal found 7/11£513
Sat 26/1213:15 -
1 stop37h 05m
Thu 31/1206:30 -
1 stop15h 30m
Deal found 9/11£513
Sun 22/1115:15 -
1 stop36h 20m
Wed 25/1121:05 -
1 stop38h 10m
Deal found 9/11£514
Fri 20/1109:25 -
1 stop17h 30m
Fri 27/1122:15 -
2 stops32h 30m
Deal found 9/11£515
Tue 1/1216:15 -
1 stop35h 20m
Sun 6/1221:30 -
1 stop15h 40m
Deal found 9/11£516
Mon 23/1116:15 -
1 stop35h 20m
Fri 27/1121:10 -
1 stop31h 45m
Deal found 8/11£516
Tue 1/1209:25 -
1 stop18h 10m
Wed 16/1209:55 -
1 stop21h 55m
Deal found 10/11£517
Sat 21/1109:10 -
1 stop18h 25m
Tue 24/1121:30 -
1 stop15h 40m
Deal found 7/11£518
Tue 24/1113:20 -
1 stop17h 05m
Fri 27/1117:05 -
1 stop14h 50m
Deal found 9/11£519
Tue 17/1113:20 -
1 stop17h 05m
Fri 20/1108:55 -
1 stop17h 20m
Deal found 7/11£519
Sun 13/1221:55 -
1 stop27h 00m
Wed 16/1221:10 -
1 stop31h 45m
Deal found 7/11£520
Sat 21/1109:10 -
1 stop18h 25m
Wed 25/1121:30 -
1 stop15h 40m
Deal found 7/11£521
Best flights from Incheon Intl to Heathrow
Discover carefully curated flight deals from Incheon Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.
Wed 23/1214:55 -
1 stop38h 35m
Tue 29/1222:30 -
1 stop33h 45m
Deal found 7/11£540
Tue 2/323:45 -
1 stop27h 45m
Wed 31/306:40 -
1 stop27h 55m
Deal found 8/11£545
Fri 8/118:00 -
1 stop29h 30m
Sun 10/113:55 -
1 stop23h 00m
Deal found 10/11£548
Fri 25/1218:30 -
1 stop20h 55m
Sun 27/1216:00 -
1 stop16h 15m
Deal found 9/11£831
Wed 10/309:40 -
Nonstop14h 55m
Thu 11/317:40 -
Nonstop12h 30m
Deal found 9/11£864
Mon 25/109:40 -
Nonstop14h 55m
Mon 1/218:50 -
Nonstop12h 35m
Deal found 10/11£900
Fri 18/1201:15 -
1 stop22h 15m
Tue 29/1220:55 -
1 stop16h 00m
Deal found 10/11£554
Fri 9/423:30 -
1 stop24h 30m
Sat 17/415:35 -
2 stops43h 00m
Deal found 10/11£589
Fri 8/101:15 -
1 stop22h 15m
Wed 26/514:45 -
1 stop36h 05m
Deal found 7/11£710
Sat 19/1223:45 -
1 stop18h 35m
Tue 22/1218:05 -
2 stops39h 55m
Deal found 6/11£760
Sat 26/1223:45 -
1 stop27h 45m
Tue 29/1218:05 -
2 stops39h 55m
Deal found 8/11£777
Fri 18/1223:45 -
2 stops25h 40m
Sun 20/1221:05 -
2 stops36h 55m
Deal found 8/11£810
Direct flights from Incheon Intl to Heathrow
Explore direct flight options from Incheon Intl to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 November 2026.
Tue 24/1113:30 -
Nonstop14h 25m
Tue 1/1214:15 -
Nonstop12h 20m
Deal found 9/11£753
Fri 27/1113:30 -
Nonstop14h 10m
Tue 1/1214:15 -
Nonstop12h 20m
Deal found 9/11£754
Tue 1/1213:30 -
Nonstop14h 25m
Mon 7/1214:15 -
Nonstop12h 20m
Deal found 7/11£755
Fri 20/1113:30 -
Nonstop14h 10m
Tue 24/1114:15 -
Nonstop12h 20m
Deal found 5/11£761
Fri 20/1113:30 -
Nonstop14h 10m
Thu 26/1114:30 -
Nonstop12h 10m
Deal found 6/11£762
Mon 23/1113:30 -
Nonstop14h 25m
Thu 26/1114:30 -
Nonstop12h 10m
Deal found 10/11£766
Tue 24/1113:30 -
Nonstop14h 25m
Sun 29/1114:30 -
Nonstop12h 10m
Deal found 9/11£769
Tue 24/1113:30 -
Nonstop14h 25m
Mon 30/1114:30 -
Nonstop12h 10m
Deal found 7/11£772
Wed 2/1213:25 -
Nonstop14h 30m
Sun 6/1214:15 -
Nonstop12h 20m
Deal found 9/11£775
Wed 25/1113:25 -
Nonstop14h 30m
Tue 1/1214:15 -
Nonstop12h 20m
Deal found 7/11£777
Last-minute flights from Incheon Intl to Heathrow
Discover last-minute flight deals from Incheon Intl to Heathrow. Data last updated 11 November 2026 and is based on user searches.
Sun 15/1115:15 -
1 stop36h 20m
Sun 22/1121:30 -
1 stop15h 40m
Deal found 7/11£536
Sun 15/1116:15 -
1 stop35h 20m
Sat 21/1121:30 -
1 stop15h 40m
Deal found 6/11£539
Mon 16/1109:25 -
1 stop18h 10m
Tue 24/1121:30 -
1 stop15h 40m
Deal found 8/11£513
Mon 16/1115:15 -
1 stop36h 20m
Sun 22/1121:30 -
1 stop15h 40m
Deal found 8/11£528
Tue 17/1113:20 -
1 stop17h 05m
Fri 20/1108:55 -
1 stop17h 20m
Deal found 7/11£519
Tue 17/1118:25 -
1 stop32h 05m
Sat 21/1121:00 -
1 stop35h 25m
Deal found 7/11£521
Wed 18/1113:20 -
1 stop17h 05m
Sun 29/1108:40 -
2 stops17h 35m
Deal found 8/11£540
Fri 20/1109:25 -
1 stop17h 30m
Fri 27/1122:15 -
2 stops32h 30m
Deal found 9/11£515
Fri 20/1121:55 -
1 stop28h 55m
Tue 24/1121:30 -
1 stop15h 40m
Deal found 6/11£525
Fri 20/1109:10 -
1 stop18h 25m
Thu 26/1121:30 -
1 stop15h 40m
Deal found 6/11£537
One-way flights from Incheon Intl to Heathrow
Search for one-way flight options from Incheon Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 11 November 2026.
Tue 8/1209:25 -
1 stop18h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/11£173
Fri 11/1209:25 -
1 stop17h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/11£174
Sun 22/1115:15 -
1 stop36h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/11£177
Mon 23/1109:10 -
1 stop18h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11£178
Wed 18/1109:10 -
1 stop18h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11£178
Wed 2/1209:10 -
1 stop18h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/11£179
Mon 7/1216:15 -
1 stop35h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/11£180
Sun 20/1209:25 -
1 stop18h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/11£181
Find flight deals from Incheon Intl to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) 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 11 November 2026.
Customise your flight search to find flights from Incheon Intl 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 11 November 2026.
Use the filters below to find and compare flights from Incheon Intl Airport 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
Tue 17/11
13:30-18:55
Nonstop14h 25m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£402
Fastest return journey
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Fri 20/11
13:30-18:40
Nonstop14h 10m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£402
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Mon 23/11
13:30-18:55
Nonstop14h 25m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£407
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Fri 2/4
07:50-14:20
Nonstop14h 30m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£425
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Fri 11/12
10:40-16:30
Nonstop14h 50m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£433
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Fri 25/12
14:15-19:10
2 stops37h 55m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£453
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Sun 20/12
09:40-15:35
Nonstop14h 55m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£455
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Sun 11/4
16:50-19:50
1 stop35h 00m
London Heathrow
Wed 31/12
00:00-08:00
Nonstop0h 00m
£495
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Wed 23/12
14:55-20:30
1 stop38h 35m
London Heathrow
Tue 29/12
22:30-17:15
1 stop33h 45m
£540
IncheonLondon
ICN Incheon Intl - LHR London Heathrow
ICNLHR
Incheon Intl
Tue 2/3
23:45-18:30
1 stop27h 45m
London Heathrow
Wed 31/3
06:40-18:35
1 stop27h 55m
£545
Flights are sorted by cheapest return flights first.
Deals found on 9/11
Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Incheon Intl to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Incheon Intl with our price prediction graph.
ICN-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 Incheon Intl Airport to London Heathrow Airport
Prices
Airlines
Delays
More
How far ahead should I book a flight from Incheon Intl Airport to London Heathrow Airport?
Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Incheon Intl Airport to London Heathrow Airport?
Currently, May is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of £579). Flying from Incheon Intl Airport to London Heathrow Airport in January is currently the most expensive (average of £760). 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 ICN to LHR?
Find hourly flight availability from Incheon Intl 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 11 November 2026.
When flying from Incheon Intl Airport 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.
How much does it cost for a return flight from Incheon Intl Airport to London Heathrow Airport?
Airfare is typical for this route at the moment.
Incheon Intl Airport to London Heathrow Airport flights typically cost between £484 and £694 in December.The cheapest return price found within the last 5 days was £513 on LOT (27 Dec–30 Dec).
Weekly flight availability from Incheon Intl Airport to London Heathrow Airport
Explore weekly flight availability from Incheon Intl 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 11 November 2026.
The most flights from ICN to LHR are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).
How often are flights from Incheon to London delayed?
About 24% of weekly flights between Incheon and London have experienced delays in the past year, with the average delay time being 124 minutes.
What is the most punctual flight time for Incheon to London flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to London flights?
Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 12% of flights being delayed.
What’s the top stopover airport for flights from Incheon Intl Airport to London Heathrow Airport?
Share of one-stop return flights from Incheon Intl Airport to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Shanghai (PVG) – chosen by Cheapflights users on 40% of one-stop itineraries from Incheon Intl Airport to London Heathrow Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Incheon Intl Airport to London Heathrow Airport?
Average return fare for one-stop flights from Incheon Intl Airport 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 £348.
What’s the fastest stopover option from Incheon Intl Airport to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Incheon Intl Airport to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Beijing (PEK) have the shortest average one-way travel time for one-stop routes: 15h 18m.
Which airport typically offers the quickest stopover for flights from Incheon Intl Airport to London Heathrow Airport?
Average stopover duration for one-stop one-way flights from Incheon Intl Airport to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Copenhagen (CPH) offer the fastest connection on this route, with an average stopover time of 1h 53m.
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 11 November 2026.
Read through reviews of airlines operating flights from Incheon Intl Airport to London Heathrow Airport, such as Korean Air,Asiana Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl 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 Incheon Intl Airport to London Heathrow Airport?
Shenzhen Airlines, Scandinavian Airlines, and Etihad Airways can get you from Incheon Intl Airport to London Heathrow Airport in just under 27h 45m. Your travel time can differ by up to 10h 50m. Airlines will cover a distance of 5503 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Incheon Intl Airport to London Heathrow Airport round-trip?
Our cheapest airline available from Incheon Intl Airport to London Heathrow Airport is Air China. Our recent data shows that you can find tickets from as low as £465 on this airline. Additional options worth looking into are Asiana Airlines and Virgin Atlantic, starting at £481 and £515 round-trip. Air China is currently priced 31% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Incheon Intl Airport to London Heathrow Airport one-way?
The cheapet airlines for a one-way flight from Incheon Intl Airport to London Heathrow Airport are China Eastern (£120), China Southern (£120), and Air China (£135).
What are the most reliable airlines from Incheon Intl Airport to London Heathrow Airport?
The top 3 most reliable airlines when flying from Incheon Intl Airport to London Heathrow Airport are Virgin Atlantic (87%), China Airlines (85%) and Korean Air (84%).
What are the cheapest flights from Incheon Intl Airport to London Heathrow Airport?
While on average a flight from Incheon Intl Airport to London Heathrow Airport is generally £919, our data shows the cheapest flight currently is £370. When looking at the most popular route, (Incheon Intl - London Heathrow), you can expect to pay £440 for that flight.
Can I find deals for business class flights from Incheon Intl to Heathrow?
Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl Airport to London Heathrow Airport?
Currently, May is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of £579). Flying from Incheon Intl Airport to London Heathrow Airport in January is currently the most expensive (average of £760). 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 11 November 2026.
Top 4 airlines flying from Incheon Intl to Heathrow
Discover the top 4 airlines that operate flights from Incheon Intl 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 11 November 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 Incheon Intl to Heathrow?
Cheapflights helps you search for flights from Incheon Intl to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Incheon Intl 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 Incheon Intl to Heathrow.
Can Cheapflights find flights from Incheon Intl to Heathrow with no change fees?
Certainly. Search results for flights to Heathrow from Incheon Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Incheon Intl to Heathrow become cheaper?
Yes! Start tracking prices for Incheon Intl 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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