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Cheap Flights from London Heathrow to Incheon International

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Compare London Heathrow to Incheon International flight deals

Find the cheapest month or even day of the year to fly to Incheon International

Book the best Incheon International fare with no extra fees

Flight deals from London Heathrow to Incheon International

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Incheon International? Find the lowest prices on one-way and return tickets right here.
Seoul.R 6,012 per passenger.Departing Tue, 18 Mar.One-way flight with China Eastern.Outbound indirect flight with China Eastern, departs from London Heathrow on Tue, 18 Mar, arriving in Incheon International.Price includes taxes and charges.From R 6,012, select.
Seoul.R 6,427 per passenger.Departing Sun, 20 Apr.One-way flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Sun, 20 Apr, arriving in Incheon International.Price includes taxes and charges.From R 6,427, select.
Seoul.R 6,702 per passenger.Departing Sat, 17 May.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Sat, 17 May, arriving in Incheon International.Price includes taxes and charges.From R 6,702, select.
Seoul.R 6,829 per passenger.Departing Tue, 3 Jun.One-way flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Tue, 3 Jun, arriving in Incheon International.Price includes taxes and charges.From R 6,829, select.
Seoul.R 7,023 per passenger.Departing Sun, 14 Sep.One-way flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Sun, 14 Sep, arriving in Incheon International.Price includes taxes and charges.From R 7,023, select.
Seoul.R 7,545 per passenger.Departing Mon, 24 Nov.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Mon, 24 Nov, arriving in Incheon International.Price includes taxes and charges.From R 7,545, select.
Seoul.R 7,724 per passenger.Departing Tue, 30 Dec.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 30 Dec, arriving in Incheon International.Price includes taxes and charges.From R 7,724, select.
Seoul.R 7,938 per passenger.Departing Sat, 3 Jan.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Sat, 3 Jan, arriving in Incheon International.Price includes taxes and charges.From R 7,938, select.

Find the cheapest month to fly from London Heathrow to Incheon International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Incheon International flights are currently cheapest in March.
Mar
from R 6,012
Apr
from R 6,427
May
from R 6,702
Jun
from R 6,829
Jul
from R 10,382
Aug
from R 8,152
Sep
from R 7,023
Oct
from R 8,209
Nov
from R 7,545
Dec
from R 7,724
Jan
from R 7,938
Feb
from R 8,209

Direct flights from London Heathrow to Incheon International

London Heathrow to Incheon International: Alternative routes

Compare routes from London Heathrow to Seoul below. You may find an airport to fly into that's cheaper, faster, or easier than Incheon International.

London to Seoul: Flight information

The things to know before you go.
Cheapest flight foundR 6,012
Cheapest month to flyMarch
Average flight time12 hrs, 25 mins
Most popular airlineAsiana Airlines
Average flights per week21

Finding cheap flights from London Heathrow to Incheon International: Frequently asked questions

The best price we found for a return flight from London Heathrow to Incheon International is R 8,960. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
12 hours and 25 minutes is the average flight time from London Heathrow to Incheon International.
Asiana Airlines, Virgin Atlantic and Korean Air fly direct from London Heathrow to Incheon International.
As of March 2025, there are 21 flights per week flying from London Heathrow to Incheon International.
The cheapest month to fly from London Heathrow to Incheon International is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Incheon International Airport on Tuesday, 18 March 2025.
Yes – the average flight time is 12 hours and 25 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Incheon International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, China Eastern and Virgin Atlantic offer the cheapest flight tickets to Incheon International.

Travelling from London Heathrow Airport (LHR) to Incheon International Airport (ICN): what you need to know

  • The average length of a direct flight from London Heathrow Airport to Incheon International Airport is 12 hours 6 minutes. Seoul's timezone is UTC+9, which makes Seoul 9 hours ahead of London.

  • Choose from 18 weekly flights from London Heathrow Airport to Incheon International Airport. The 10:50 departure with Korean Air is the earliest flight you can take between LHR and ICN. Asiana Airlines operates the last service of the day at 20:40 if you'd rather not get up at the crack of dawn.

  • You'll likely experience longer queues in popular months such as July and other peak periods. Arriving up to fours hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

  • Flying into Seoul (and then discovering more of South Korea!) is easy with Korean Air. This popular carrier runs direct flights from London Heathrow Airport to Incheon International Airport.

  • If you'd like to break up your flight from London Heathrow Airport to Incheon International Airport, consider adding a stopover. Simply deselect 'Direct flights only' and find a destination that appeals to you. The top stopovers on the LHR - ICN route are:

    • Frankfurt Airport

    • Beijing Capital International Airport

    • Harry Reid Airport (formerly McCarran Airport)

  • To find out whether you need a visa to enter South Korea, contact your carrier and the local consulate or embassy. They'll give you all the necessary information, including other paperwork you may need after booking your cheap ticket from LHR to ICN.

How to find the cheapest flights from London Heathrow Airport (LHR) to Incheon International Airport (ICN)

  • The lowest price we've found for a one-way ticket from London Heathrow Airport to Incheon International Airport is R 6,012. For a return flight on this route, the best price is R 8,960. Depending on the availability and when you book, these fares can change.

  • Book 8 months before travelling. After crunching the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from LHR to ICN.

  • Organise your trip for April. That's the cheapest month for tickets from London Heathrow Airport to Incheon International Airport. If you're flexible with your travel dates, use the 'Whole month' tool to find the cheapest price across every month.

  • Log into your online account or use the app to set up a Price Alert. We'll let you know right away if there's a cheaper deal on this route. It doesn't take long, and it'll save you the hassle of checking for cheap tickets from LHR to ICN every day.

  • Tailor your flights using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from London Heathrow Airport to Incheon International Airport.

Handy information about London Heathrow Airport (LHR)

  • Travelling from central London to London Heathrow Airport takes around 1 hour and 1 minute by public transport. If you drive, ride-share or get a cab, you'll cover the 31 kilometres in 57 minutes or so, depending on traffic.

  • Looking for a handy hotel close to LHR? If you're catching an early flight from London Heathrow Airport to Incheon International Airport, these accommodation options will have you sleeping moments from your departure lounge:

Arriving at Incheon International Airport (ICN)

Getting from Incheon International Airport (ICN) to central Seoul

  • The centre of Seoul is about 48 kilometres from Incheon International Airport. Journey times by cab or car rental will vary depending on traffic conditions and time of day, so do some research ahead of time.

  • Getting to the centre by public transport will take you around 1 hour and 44 minutes.

When to fly to Incheon International Airport (ICN)

  • July is the busiest month for flights from London Heathrow Airport to Incheon International Airport. To avoid the crowds, visit Seoul in April.

  • Before locking in your flight from London Heathrow Airport to Incheon International Airport, consider the kind of weather you enjoy. August is the warmest month in Seoul, with temperatures ranging from 19ºC to 32ºC.

  • Search for cheap tickets from LHR to ICN in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -12ºC and 4ºC on average.

More about Seoul

  • As soon as you've locked in your flights from LHR to ICN, you'll need to find a hotel in Seoul. Make one of these options your base for exploring this exciting city:

  • There are so many things to discover in this city it can be tricky to work out where to start. Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower are popular attractions which should be on every Seoul itinerary.

  • Gimpo International Airport (GMP) is another international airport for travelling to and from Seoul. It may even be an easier or cheaper choice depending on your travel plans, so it's worth exploring further.

Complete your Seoul trip with hotels and a car rental

  • You've got your cheap ticket to Incheon International Airport — now it's time to find a great place to stay, and maybe even a set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in Seoul.

Plan the rest of your trip from London to Seoul

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.