508 € Cheap Flights from London Heathrow 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 Airport to Incheon International Airport? If you want to travel next month, return fares start from 540 €. Find the lowest prices on one-way and return tickets right here.

Seoul.508 € per passenger.Departing Wed, 23 Sep, returning Thu, 15 Oct.Return flight with Xiamen Airlines.Outbound indirect flight with Xiamen Airlines, departs from London Heathrow on Wed, 23 Sep, arriving in Incheon International.Inbound indirect flight with Xiamen Airlines, departs from Incheon International on Thu, 15 Oct, arriving in London Heathrow.Price includes taxes and charges.From 508 €, select.

Seoul.518 € per passenger.Departing Sun, 18 Oct, returning Tue, 20 Oct.Return flight with Xiamen Airlines.Outbound indirect flight with Xiamen Airlines, departs from London Heathrow on Sun, 18 Oct, arriving in Incheon International.Inbound indirect flight with Xiamen Airlines, departs from Incheon International on Tue, 20 Oct, arriving in London Heathrow.Price includes taxes and charges.From 518 €, select.

Seoul.524 € per passenger.Departing Wed, 26 Aug, returning Thu, 22 Oct.Return flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Wed, 26 Aug, arriving in Incheon International.Inbound indirect flight with China Southern, departs from Incheon International on Thu, 22 Oct, arriving in London Heathrow.Price includes taxes and charges.From 524 €, select.

Seoul.525 € per passenger.Departing Mon, 7 Jun, returning Sun, 13 Jun.Return flight with Shenzhen Airlines.Outbound indirect flight with Shenzhen Airlines, departs from London Heathrow on Mon, 7 Jun, arriving in Incheon International.Inbound indirect flight with Shenzhen Airlines, departs from Incheon International on Sun, 13 Jun, arriving in London Heathrow.Price includes taxes and charges.From 525 €, select.

Seoul.531 € per passenger.Departing Sat, 14 Nov, returning Sat, 28 Nov.Return flight with Shenzhen Airlines.Outbound indirect flight with Shenzhen Airlines, departs from London Heathrow on Sat, 14 Nov, arriving in Incheon International.Inbound indirect flight with Shenzhen Airlines, departs from Incheon International on Sat, 28 Nov, arriving in London Heathrow.Price includes taxes and charges.From 531 €, select.

Seoul.532 € per passenger.Departing Mon, 7 Sep, returning Mon, 2 Nov.Return flight with Air China.Outbound indirect flight with Air China, departs from London Heathrow on Mon, 7 Sep, arriving in Incheon International.Inbound indirect flight with Air China, departs from Incheon International on Mon, 2 Nov, arriving in London Heathrow.Price includes taxes and charges.From 532 €, select.

Seoul.532 € per passenger.Departing Thu, 10 Sep, returning Thu, 10 Dec.Return flight with Air China.Outbound indirect flight with Air China, departs from London Heathrow on Thu, 10 Sep, arriving in Incheon International.Inbound indirect flight with Air China, departs from Incheon International on Thu, 10 Dec, arriving in London Heathrow.Price includes taxes and charges.From 532 €, select.

Seoul.534 € per passenger.Departing Thu, 27 Aug, returning Wed, 11 Nov.Return flight with Air China.Outbound indirect flight with Air China, departs from London Heathrow on Thu, 27 Aug, arriving in Incheon International.Inbound indirect flight with Air China, departs from Incheon International on Wed, 11 Nov, arriving in London Heathrow.Price includes taxes and charges.From 534 €, select.

Seoul.535 € per passenger.Departing Sat, 8 May, returning Tue, 25 May.Return flight with Shenzhen Airlines.Outbound indirect flight with Shenzhen Airlines, departs from London Heathrow on Sat, 8 May, arriving in Incheon International.Inbound indirect flight with Shenzhen Airlines, departs from Incheon International on Tue, 25 May, arriving in London Heathrow.Price includes taxes and charges.From 535 €, select.

Seoul.537 € per passenger.Departing Mon, 31 Aug, returning Mon, 14 Sep.Return flight with Air China.Outbound indirect flight with Air China, departs from London Heathrow on Mon, 31 Aug, arriving in Incheon International.Inbound indirect flight with Air China, departs from Incheon International on Mon, 14 Sep, arriving in London Heathrow.Price includes taxes and charges.From 537 €, select.

Seoul.539 € per passenger.Departing Mon, 5 Apr, returning Sun, 25 Apr.Return flight with Shenzhen Airlines.Outbound indirect flight with Shenzhen Airlines, departs from London Heathrow on Mon, 5 Apr, arriving in Incheon International.Inbound indirect flight with Shenzhen Airlines, departs from Incheon International on Sun, 25 Apr, arriving in London Heathrow.Price includes taxes and charges.From 539 €, select.

Seoul.540 € per passenger.Departing Tue, 8 Sep, returning Tue, 15 Sep.Return flight with Air China.Outbound indirect flight with Air China, departs from London Heathrow on Tue, 8 Sep, arriving in Incheon International.Inbound indirect flight with Air China, departs from Incheon International on Tue, 15 Sep, arriving in London Heathrow.Price includes taxes and charges.From 540 €, select.

Seoul.546 € per passenger.Departing Sat, 23 Jan, returning Sat, 6 Feb.Return flight with Shenzhen Airlines.Outbound indirect flight with Shenzhen Airlines, departs from London Heathrow on Sat, 23 Jan, arriving in Incheon International.Inbound indirect flight with Shenzhen Airlines, departs from Incheon International on Sat, 6 Feb, arriving in London Heathrow.Price includes taxes and charges.From 546 €, select.

Seoul.546 € per passenger.Departing Sun, 25 Oct, returning Fri, 13 Nov.Return flight with Shenzhen Airlines.Outbound indirect flight with Shenzhen Airlines, departs from London Heathrow on Sun, 25 Oct, arriving in Incheon International.Inbound indirect flight with Shenzhen Airlines, departs from Incheon International on Fri, 13 Nov, arriving in London Heathrow.Price includes taxes and charges.From 546 €, select.

Seoul.546 € per passenger.Departing Wed, 25 Nov, returning Thu, 3 Dec.Return flight with Shenzhen Airlines.Outbound indirect flight with Shenzhen Airlines, departs from London Heathrow on Wed, 25 Nov, arriving in Incheon International.Inbound indirect flight with Shenzhen Airlines, departs from Incheon International on Thu, 3 Dec, arriving in London Heathrow.Price includes taxes and charges.From 546 €, select.

Seoul.549 € per passenger.Departing Sun, 24 Jan, returning Sun, 31 Jan.Return flight with Shenzhen Airlines.Outbound indirect flight with Shenzhen Airlines, departs from London Heathrow on Sun, 24 Jan, arriving in Incheon International.Inbound indirect flight with Shenzhen Airlines, departs from Incheon International on Sun, 31 Jan, arriving in London Heathrow.Price includes taxes and charges.From 549 €, 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 October.

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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.

Gimpo International

17km from central Seoul

Closest

from 532 €

Search flights

Incheon International

48km from central Seoul

Cheapest

from 508 €

Search flights

London to Seoul: Flight information

The things to know before you go.

Cheapest flight found	508 €
Cheapest month to fly	September
Average flight time	12 hrs, 36 mins
Most popular airline	Virgin Atlantic
Average flights per week	37

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

How much are return flights from London Heathrow to Incheon International?

The best price we found for a return flight from London Heathrow to Incheon International is 508 €. 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.

How long does it take to fly from London Heathrow to Incheon International?

12 hours and 36 minutes is the average flight time from London Heathrow to Incheon International.

Which airlines fly direct from London Heathrow to Incheon International?

Virgin Atlantic, Korean Air and Asiana Airlines fly direct from London Heathrow to Incheon International.

How many flights are there a week from London Heathrow to Incheon International?

As of August 2026, there are 37 flights per week flying from London Heathrow to Incheon International.

When is the cheapest time to fly from London Heathrow to Incheon International?

The cheapest month to fly from London Heathrow to Incheon International is usually September.

Which upcoming date is cheapest to fly from London Heathrow Airport to Incheon International Airport on?

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 Wednesday, 23 September 2026.

Can I get a direct flight from London Heathrow Airport to Incheon International Airport?

Yes – the average flight time is 12 hours and 36 minutes.

How can I find the best flight deal to Incheon International?

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.

When is the best time to book flights to Seoul?

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.

Which is the cheapest airline to fly from London Heathrow Airport to Incheon International with?

Currently, Xiamen Airlines 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 time for a direct flight from London Heathrow Airport to Incheon International Airport is 12 hours 35 minutes.
Seoul is nine hours ahead of London and follows the UTC+9 timezone.
Every week, there are 21 London Heathrow Airport to Incheon International Airport flights.
For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably catch your LHR to ICN flight.
Flying during a peak time such as July? Major public holidays and other popular seasons can mean longer lines and delays at check-in and security. Be extra cautious and get there up to four hours before an international flight and two hours before a domestic departure.
You'll find a variety of airlines offering direct flights from London Heathrow Airport to Incheon International Airport. When you're ready to start your Seoul holiday, let one of these carriers take you to this exciting corner of South Korea:
Korean Air is the most frequently booked airline on this route.
Korean Air is the most punctual carrier operating LHR to ICN flights. An impressive 81.97% of its departures on this route arrive as planned.
If you want to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from London Heathrow Airport to Incheon International Airport. Here are the top stopovers between LHR and ICN:
- Beijing Capital Airport
- Frankfurt am Main Airport
- Harry Reid International Airport

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

327 € is the lowest price for a one-way London Heathrow Airport to Incheon International Airport flight. Return flights start at 508 €. These fares may change depending on availability and demand.
Score cheap tickets from LHR to ICN by booking at least 11 months ahead. Based on our research, that's the sweet spot for finding a bargain.
Schedule your trip for April. That's the cheapest month for flights from London Heathrow Airport to Incheon International Airport. If your travel dates are flexible, use the 'Whole month' tool to find the lowest price across each month.
Save time searching for cheap flights from LHR to ICN by creating a Price Alert. We'll send you an email or notification through the app when a new low fare is offered.
Discover the perfect flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from London Heathrow Airport to Incheon International Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about London Heathrow Airport (LHR)

Of all flights departing from London Heathrow Airport, 78% land on time at their destination.
Central London to London Heathrow Airport is around 24 kilometres. Depending on traffic, it'll take about 45 minutes to get there if you're driving, ride-sharing or catching a taxi.
Planning to take public transport? Expect a journey time of around 25 minutes.
Need a convenient hotel close to LHR? If you're boarding an early flight from London Heathrow Airport to Incheon International Airport, these stays will have you sleeping moments from your check-in counter:

Arriving at Incheon International Airport (ICN)

Book a hotel near ICN if you're catching a late London Heathrow Airport to Incheon International Airport flight. Select one of these options and skip the long transfer after landing:
Hit the road running by picking up a Incheon International Airport rental car. Grab your wheels from WECAR, Hi Rent A Car or Alamo and explore beyond Seoul's usual tourist stops.
To secure the lowest price, reserve your vehicle from Incheon International Airport about four weeks ahead.

When to fly to Incheon International Airport (ICN)

The quietest month for a flight from London Heathrow Airport to Incheon International Airport is March, while August is the busiest. Choose the best time to visit Seoul based on whether you prefer a faster pace or a more relaxed vibe.
Lock in your flight from London Heathrow Airport to Incheon International Airport for August if you want to explore Seoul during its warmest month. You can expect temperatures of between 19ºC (66ºF) and 32ºC (90ºF).
If you like cooler conditions, search for a cheap ticket from LHR to ICN in January. Temperatures average between -12ºC (10ºF) and 4ºC (39ºF) then.

Explore more of South Korea

Busan is just one of the many places in South Korea waiting to be explored after you've seen Seoul. Around 322 kilometres away to the south-east, check out popular attractions including Gamcheon Culture Village, Haeundae Beach and Beautiful View Busan - Diamond Bridge.
Incheon is another standout destination in South Korea and is around 56 kilometres west of Seoul. No trip is complete without experiencing INSPIRE Arena, Wangsan Beach and Seokmodo Natural Forest.