Cheap flights from London Heathrow Airport to Seoul from £246

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Seoul departing on 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
China Eastern Logo
21:00 - 11:55
LHR
-
ICN
29h 55m1 stop
China Eastern Logo
16:10 - 17:30
ICN
-
LHR
34h 20m1 stop
£344China Eastern
Mon, 26 Jan - Mon, 2 Feb
China Southern Logo
21:00 - 22:10
LHR
-
ICN
17h 10m1 stop
China Southern Logo
09:25 - 18:05
ICN
-
LHR
16h 40m1 stop
£365China Southern
Sat, 2 May - Tue, 19 May
China Southern Logo
21:00 - 22:10
LHR
-
ICN
17h 10m1 stop
China Southern Logo
09:25 - 18:05
ICN
-
LHR
16h 40m1 stop
£366China Southern
Sun, 3 May - Tue, 19 May
Multiple Airlines Logo
21:30 - 22:15
LHR
-
ICN
15h 45m1 stop
Multiple Airlines Logo
08:55 - 17:30
ICN
-
LHR
17h 35m1 stop
£367Multiple Airlines
Sun, 18 Jan - Fri, 23 Jan
Multiple Airlines Logo
21:30 - 22:15
LHR
-
ICN
15h 45m1 stop
Multiple Airlines Logo
08:55 - 17:30
ICN
-
LHR
17h 35m1 stop
£367Multiple Airlines
Fri, 16 Jan - Fri, 23 Jan
China Eastern Logo
21:00 - 20:45
LHR
-
ICN
14h 45m1 stop
China Eastern Logo
08:55 - 17:30
ICN
-
LHR
17h 35m1 stop
£368China Eastern
Wed, 4 Feb - Sun, 8 Feb
Multiple Airlines Logo
21:30 - 22:15
LHR
-
ICN
15h 45m1 stop
Multiple Airlines Logo
08:55 - 17:30
ICN
-
LHR
17h 35m1 stop
£369Multiple Airlines
Sat, 17 Jan - Fri, 23 Jan
China Eastern Logo
21:00 - 20:45
LHR
-
ICN
14h 45m1 stop
China Eastern Logo
14:30 - 17:30
ICN
-
LHR
36h 00m1 stop
£370China Eastern
Sun, 18 Jan - Sun, 25 Jan
China Eastern Logo
21:00 - 11:55
LHR
-
ICN
29h 55m1 stop
China Eastern Logo
08:55 - 17:30
ICN
-
LHR
17h 35m1 stop
£370China Eastern
Sun, 18 Jan - Fri, 23 Jan
Multiple Airlines Logo
21:30 - 22:15
LHR
-
ICN
15h 45m1 stop
Multiple Airlines Logo
12:55 - 17:30
ICN
-
LHR
37h 35m1 stop
£371Multiple Airlines
Tue, 13 Jan - Tue, 27 Jan

China Southern flights from London Heathrow Airport to Incheon Intl Airport

Our best China Southern deals on London Heathrow Airport to Incheon Intl Airport flight tickets
China Southern
2 May
LHR21:00London Heathrow
17h 10m
1 stop
ICN22:10Incheon Intl
19 May
ICN09:25Incheon Intl
16h 40m
1 stop
LHR18:05London Heathrow
China Southern
3 May
LHR21:00London Heathrow
17h 10m
1 stop
ICN22:10Incheon Intl
19 May
ICN09:25Incheon Intl
16h 40m
1 stop
LHR18:05London Heathrow
China Southern
14 Jan
LHR21:30London Heathrow
15h 45m
1 stop
ICN22:15Incheon Intl
29 Jan
ICN09:25Incheon Intl
17h 30m
1 stop
LHR17:55London Heathrow

KLM flights from London Heathrow Airport to Incheon Intl Airport

Our best KLM deals on London Heathrow Airport to Incheon Intl Airport flight tickets
KLM
23 Jan
LHR17:05London Heathrow
14h 50m
1 stop
ICN16:55Incheon Intl
29 Jan
ICN23:05Incheon Intl
17h 35m
1 stop
LHR07:40London Heathrow
KLM
12 Jan
LHR17:05London Heathrow
14h 50m
1 stop
ICN16:55Incheon Intl
24 Jan
ICN23:05Incheon Intl
17h 35m
1 stop
LHR07:40London Heathrow
KLM
13 Jan
LHR20:25London Heathrow
29h 05m
2 stops
ICN10:30Incheon Intl
27 Jan
ICN23:05Incheon Intl
17h 35m
1 stop
LHR07:40London Heathrow

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Incheon Intl Airport 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, momondo users made 279,928 searches. Data last updated 30 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 26/1

21:00-11:55

1 stop29h 55m

Incheon Intl

Mon 2/2

16:10-17:30

1 stop34h 20m

£344

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 2/5

21:00-22:10

1 stop17h 10m

Incheon Intl

Tue 19/5

09:25-18:05

1 stop16h 40m

£365

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 3/5

21:00-22:10

1 stop17h 10m

Incheon Intl

Tue 19/5

09:25-18:05

1 stop16h 40m

£366

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 18/1

21:30-22:15

1 stop15h 45m

Incheon Intl

Fri 23/1

08:55-17:30

1 stop17h 35m

£367

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 16/1

21:30-22:15

1 stop15h 45m

Incheon Intl

Fri 23/1

08:55-17:30

1 stop17h 35m

£367

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/2

21:00-20:45

1 stop14h 45m

Incheon Intl

Sun 8/2

08:55-17:30

1 stop17h 35m

£368

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 17/1

21:30-22:15

1 stop15h 45m

Incheon Intl

Fri 23/1

08:55-17:30

1 stop17h 35m

£369

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 18/1

21:00-20:45

1 stop14h 45m

Incheon Intl

Sun 25/1

14:30-17:30

1 stop36h 00m

£370

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 18/1

21:00-11:55

1 stop29h 55m

Incheon Intl

Fri 23/1

08:55-17:30

1 stop17h 35m

£370

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 13/1

21:30-22:15

1 stop15h 45m

Incheon Intl

Tue 27/1

12:55-17:30

1 stop37h 35m

£371

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from London Heathrow Airport to Incheon Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from London Heathrow Airport is in January. Flight prices, which tend to average around £491, are often lower during this time because this is during the off-season. If you aren’t able to travel to Incheon Intl Airport during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £528.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

Our data shows that Tuesday is the least expensive day to fly to Incheon Intl Airport. Tickets to fly out on this day can be as low as £881. The most expensive day to fly to Incheon Intl Airport is Saturday, with ticket prices averaging around £1,017.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

Our most recent data shows that the best time of day to fly to Incheon Intl Airport is at midday. Flights from London Heathrow Airport to Incheon Intl Airport during this time can be as low as £728. In contrast, the most expensive time of day to depart to Incheon Intl Airport is in the afternoon when prices are around £1,016.

What is the cheapest London Heathrow to Incheon Intl flight route?

Fly from London Heathrow to Incheon Intl for the best London Heathrow - Incheon Intl flight prices

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around £693 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from London Heathrow Airport for as low as £591 on momondo.

What cabin class options are available on London Heathrow to Incheon Intl flights?

There are 4 cabin classes available to choose from on London Heathrow to Incheon Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Incheon Intl Airport flights?

You could potentially save up to 9% on your flight if you consider stops on a London Heathrow Airport to Incheon Intl Airport flight.

How have London Heathrow Airport to Incheon Intl Airport flight prices changed over time?

As of December 2025, prices for London Heathrow Airport to Incheon Intl Airport flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Incheon Intl Airport (LHR to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Incheon Intl Airport

Best price found

£459

Fastest flight time

12h 35m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from London Heathrow Airport in the past 72 hours is £459. The best return flight deal from London Heathrow Airport to Incheon Intl Airport found on momondo in the last 72 hours is £725.
The fastest flight from London Heathrow Airport to Incheon Intl Airport takes 12h 35m
Direct flights go from London Heathrow Airport to Incheon Intl Airport every day.
  • How far is London Heathrow to Incheon Intl by plane?

    Incheon Intl is 5503.3 mi away from London Heathrow. Flights usually cover this in 12h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Incheon Intl Airport?

    Prices for flights from London Heathrow Airport to Incheon Intl Airport were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Incheon Intl Airport?

  • How old do you have to be to fly from London Heathrow Airport to Incheon Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Incheon Intl Airport?

  • What is the most popular airline from London Heathrow Airport to Incheon Intl Airport?

Best airlines flying from London Heathrow Airport to Incheon Intl Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
China EasternPriceFrom £317Free CancellationRating
7.2
185 reviews
Search China Eastern flights
China SouthernPriceFrom £336Free CancellationRating
7.5
123 reviews
Search China Southern flights
Air ChinaPriceFrom £372Free CancellationRating
7.2
135 reviews
Search Air China flights
LufthansaPriceFrom £422Free CancellationRating
6.8
7,663 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £454Free CancellationRating
7.4
1,632 reviews
Search Scandinavian Airlines flights
Etihad AirwaysPriceFrom £535Free CancellationRating
7.4
1,345 reviews
Search Etihad Airways flights
Air FrancePriceFrom £546Free CancellationRating
7.4
1,516 reviews
Search Air France flights
LOTPriceFrom £549Free CancellationRating
7.5
1,158 reviews
Search LOT flights
FinnairPriceFrom £556Free CancellationRating
7.6
1,343 reviews
Search Finnair flights
Turkish AirlinesPriceFrom £560Free CancellationRating
7.3
4,131 reviews
Search Turkish Airlines flights
  • Korean Air Flights From London Heathrow Airport to Incheon Intl Airport

    Korean Air operates around 7 flights from London Heathrow Airport to Incheon Intl Airport every week. The average price of these flights found in the last 72 hours has been £862, but momondo users have found Korean Air deals from London Heathrow Airport to Incheon Intl Airport from as low as £734 round-trip. Korean Air has been scored 8.4/10 in 1,184 reviews.

  • Asiana Airlines Flights From London Heathrow Airport to Incheon Intl Airport

    £690 is the best Asiana Airlines flight deal from London Heathrow Airport to Incheon Intl Airport found on momondo over the last 72 hours. The average Asiana Airlines ticket price found was closer to £831, however, with flight time and availability significantly affecting the price. Asiana Airlines (8.2/10 from 502 user reviews) flies into Incheon Intl Airport from London Heathrow Airport 7 times in an average week so prices can vary.

Travelling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Daejeon
Seongnam

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Why should I use momondo to find a flight deal from London to Seoul?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Seoul for you.

Can I find flights from London to Seoul with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seoul from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Seoul?

momondo provides multiple filters to help you find the best flight to Seoul from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Seoul right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Seoul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seoul and let you know when they change.

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Thu 29/1
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