Cheap flight tickets 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

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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.

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 May.

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 foundRM2,238
Cheapest month to flyMay
Average flight time12 hrs, 19 mins
Most popular airlineVirgin Atlantic
Average flights per week23

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 RM2,238. 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 19 minutes is the average flight time from London Heathrow to Incheon International.
Virgin Atlantic, Korean Air and Asiana Airlines fly direct from London Heathrow to Incheon International.
As of May 2025, there are 23 flights per week flying from London Heathrow to Incheon International.
The cheapest month to fly from London Heathrow to Incheon International is usually May 2025.
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 Monday, 12 May 2025.
Yes – the average flight time is 12 hours and 19 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 Korean Air offer the cheapest flight tickets to Incheon International.

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

  • Hop on a direct flight from London Heathrow Airport to Incheon International Airport and you'll be travelling for an average of 12 hours 5 minutes.

  • Seoul is nine hours ahead of London and is in the UTC+9 timezone.

  • Flights from LHR to ICN start from 18:50 — the first with Korean Air. The latest departure is at 20:40 with Asiana Airlines. In total, you can choose from 18 weekly London Heathrow Airport to Incheon International Airport flights.

  • Your LHR to ICN flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Flying during a peak month like July? School holidays and other high seasons can result in longer lines and delays at airport checkpoints. Play things extra safe and arrive up to four hours before international flights and two hours before domestic departures.

  • Korean Air is your ticket to exploring Seoul (and maybe even some other great parts of South Korea!). Check out the direct flights from London Heathrow Airport to Incheon International Airport offered by this popular airline.

  • The airline that serves the most passengers on this route is Korean Air.

  • The carrier with the most consistent on-time arrivals for LHR to ICN flights is Korean Air.

  • We make it easy to book a flight with a stopover. To see all your options for tickets from London Heathrow Airport to Incheon International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Top stopovers between LHR and ICN include:

    • Harry Reid Airport (formerly McCarran Airport)

    • Beijing Capital International Airport

    • Frankfurt Airport

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

  • RM1,598 is the best price for a one-way London Heathrow Airport to Incheon International Airport flight. A return flight starts at RM2,238. These fares can change depending on availability and demand.

  • Get cheap tickets from LHR to ICN by booking five months ahead. According to our research, that's the sweet spot for finding a bargain.

  • April is the cheapest month for flights from London Heathrow Airport to Incheon International Airport. If you'd like to fly during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • You don't need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you as soon as there's a change in price on cheap flights from LHR to ICN.

  • Lock in the right flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from London Heathrow Airport to Incheon International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about London Heathrow Airport (LHR)

  • When it comes to the on-time performance of London Heathrow Airport, data shows 68.18% of flights arrive within the expected timeframe.

  • Central London to London Heathrow Airport is approximately 31 kilometres. Depending on traffic, it'll take you about 55 minutes to get there if you're driving, ride-sharing or catching a cab.

  • You can expect a trip time of around 1 hour when using public transport.

  • Get your holiday off to a stress-free start by staying near LHR. Whether you have an early flight from London Heathrow Airport to Incheon International Airport or just don't want to be rushed, these stays have you covered:

Arriving at Incheon International Airport (ICN)

Getting from Incheon International Airport (ICN) to central Seoul

  • Incheon International Airport to the centre of Seoul is around 48 kilometres. Journey times will vary based on the time of day and traffic conditions, so checking a navigation app for real-time estimates is a good idea.

  • It typically takes 1 hour 45 minutes if you're travelling by public transport.

When to fly to Incheon International Airport (ICN)

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

  • Book your flight from London Heathrow Airport to Incheon International Airport for August if you want to go to Seoul during its warmest month. Expect temperatures of between 19ºC (66ºF) and 32ºC (90ºF).

  • January has average temperatures of between -12ºC (10ºF) and 4ºC (39ºF). Look for cheap tickets from LHR to ICN around that time if you want to travel when it's cooler.

Explore more of South Korea

  • You've visited Seoul, now it's time to discover other parts of South Korea. Journey around 322 kilometres south-east to Busan to check off its leading attractions. From Haeundae Beach to Gamcheon Culture Village and Beomeosa Temple, you'll have a full itinerary ahead.

  • Incheon is another essential stop in South Korea and is around 56 kilometres west of Seoul. No trip is complete without experiencing Lawn Square of Incheon International Airport, Yeongjong Sky City No.23 Park and 스카이72 GC 바다코스.

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