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Cheap flights from London to Seoul from £253

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 to Seoul departing on 5/11. 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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China Southern Logo
21:30 - 22:15LHR-ICN
15h 45m1 stop
China Southern Logo
09:25 - 18:35ICN-LHR
18h 10m1 stop
£382China Southern
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Fri, 28 Nov - Mon, 29 Dec
China Eastern Logo
10:30 - 15:50LGW-ICN
20h 20m2 stops
China Eastern Logo
16:40 - 06:30ICN-LGW
22h 50m2 stops
£382China Eastern
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Sun, 7 Dec - Sun, 14 Dec
Air China Logo
17:40 - 16:35LHR-ICN
13h 55m1 stop
Air China Logo
17:50 - 17:50ICN-LHR
33h 00m1 stop
£382Air China
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Thu, 13 Nov - Fri, 19 Dec
Air China Logo
20:25 - 16:35LHR-ICN
35h 10m1 stop
Air China Logo
14:55 - 19:40ICN-LHR
37h 45m1 stop
£383Air China
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Mon, 10 Nov - Fri, 14 Nov
Scandinavian Airlines Logo
17:00 - 19:00LHR-ICN
17h 00m1 stop
Scandinavian Airlines Logo
23:45 - 18:30ICN-LHR
27h 45m1 stop
£393Scandinavian Airlines
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Tue, 16 Dec - Mon, 19 Jan
Scandinavian Airlines Logo
19:50 - 19:00LHR-ICN
38h 10m2 stops
Scandinavian Airlines Logo
23:45 - 09:20ICN-LHR
18h 35m1 stop
£394Scandinavian Airlines
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Wed, 7 Jan - Wed, 14 Jan
Lufthansa Logo
11:10 - 11:15LHR-ICN
15h 05m1 stop
Lufthansa Logo
13:30 - 22:55ICN-LHR
18h 25m1 stop
£403Lufthansa
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Fri, 16 Jan - Fri, 30 Jan
Lufthansa Logo
09:50 - 10:50LCY-ICN
16h 00m1 stop
Lufthansa Logo
13:05 - 09:05ICN-LCY
29h 00m1 stop
£526Lufthansa
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Wed, 7 Jan - Wed, 14 Jan
KLM Logo
17:05 - 16:55LCY-ICN
14h 50m1 stop
KLM Logo
23:05 - 07:15ICN-LCY
17h 10m1 stop
£573KLM
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Thu, 20 Nov - Thu, 27 Nov
KLM Logo
17:05 - 16:55LCY-ICN
14h 50m1 stop
KLM Logo
23:05 - 07:15ICN-LCY
17h 10m1 stop
£576KLM
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Wed, 3 Dec - Thu, 11 Dec

Air China flights from London to Incheon Intl Airport

Our best Air China deals on London to Incheon Intl Airport flight tickets
Air China
13 Nov
LHR17:40London Heathrow
13h 55m
1 stop
ICN16:35Incheon Intl
19 Dec
ICN17:50Incheon Intl
33h 00m
1 stop
LHR17:50London Heathrow
£382
Find similar
Air China
10 Nov
LHR20:25London Heathrow
35h 10m
1 stop
ICN16:35Incheon Intl
14 Nov
ICN14:55Incheon Intl
37h 45m
1 stop
LHR19:40London Heathrow
£383
Find similar
Air China
6 Nov
LHR20:25London Heathrow
30h 15m
1 stop
ICN11:40Incheon Intl
19 Nov
ICN13:10Incheon Intl
35h 45m
1 stop
LHR15:55London Heathrow
£384
Find similar

Lufthansa flights from London to Incheon Intl Airport

Our best Lufthansa deals on London to Incheon Intl Airport flight tickets
Lufthansa
16 Jan
LHR11:10London Heathrow
15h 05m
1 stop
ICN11:15Incheon Intl
30 Jan
ICN13:30Incheon Intl
18h 25m
1 stop
LHR22:55London Heathrow
£403
Find similar
Lufthansa
7 Jan
LCY09:50London City
16h 00m
1 stop
ICN10:50Incheon Intl
14 Jan
ICN13:05Incheon Intl
29h 00m
1 stop
LCY09:05London City
£526
Find similar
Lufthansa
11 Feb
LCY09:50London City
16h 00m
1 stop
ICN10:50Incheon Intl
25 Feb
ICN13:05Incheon Intl
29h 00m
1 stop
LCY09:05London City
£557
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momondo Fare Finder

 
Customise your flight search to find flights from London 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 24 October 2025.
Use the filters below to find and compare flights from London to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 28/11

21:30-22:15

1 stop15h 45m

Incheon Intl

Mon 29/12

09:25-18:35

1 stop18h 10m

£382

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sun 7/12

10:30-15:50

2 stops20h 20m

Incheon Intl

Sun 14/12

16:40-06:30

2 stops22h 50m

£382

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 13/11

17:40-16:35

1 stop13h 55m

Incheon Intl

Fri 19/12

17:50-17:50

1 stop33h 00m

£382

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 10/11

20:25-16:35

1 stop35h 10m

Incheon Intl

Fri 14/11

14:55-19:40

1 stop37h 45m

£383

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 16/12

17:00-19:00

1 stop17h 00m

Incheon Intl

Mon 19/1

23:45-18:30

1 stop27h 45m

£393

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 7/1

19:50-19:00

2 stops38h 10m

Incheon Intl

Wed 14/1

23:45-09:20

1 stop18h 35m

£394

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 16/1

11:10-11:15

1 stop15h 05m

Incheon Intl

Fri 30/1

13:30-22:55

1 stop18h 25m

£403

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 7/1

09:50-10:50

1 stop16h 00m

Incheon Intl

Wed 14/1

13:05-09:05

1 stop29h 00m

£526

LondonIncheon

LCY - ICN

LCYICN

London City

Thu 20/11

17:05-16:55

1 stop14h 50m

Incheon Intl

Thu 27/11

23:05-07:15

1 stop17h 10m

£573

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 3/12

17:05-16:55

1 stop14h 50m

Incheon Intl

Thu 11/12

23:05-07:15

1 stop17h 10m

£576

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 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 typical price of a round-trip flight between London and Incheon Intl Airport?

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

The cheapest month to fly to Incheon Intl Airport from London is in November. Flight prices, which tend to average around £418, 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 November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £473.

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 £892. The most expensive day to fly to Incheon Intl Airport is Saturday, with ticket prices averaging around £1,021.

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 to Incheon Intl Airport during this time can be as low as £741. In contrast, the most expensive time of day to depart to Incheon Intl Airport is in the afternoon when prices are around £1,032.

What is the cheapest London to Incheon Intl flight route?

Fly from London Heathrow to Incheon Intl for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around £701 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 for as low as £623 on momondo.

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

There are 4 cabin classes available to choose from on London 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 to Incheon Intl Airport flights?

You could potentially save up to 21% on your flight if you consider stops on a London to Incheon Intl Airport flight.

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

As of October 2025, prices for London to Incheon Intl Airport flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from London to Incheon Intl Airport

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

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

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

Best price found

£509

Fastest flight time

12h 35m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from London in the past 72 hours is £509. The best return flight deal from London to Incheon Intl Airport found on momondo in the last 72 hours is £860.
The fastest flight from London to Incheon Intl Airport takes 12h 35m
Direct flights go from London to Incheon Intl Airport every day.
Search flight deals

  • How far is London to Incheon Intl by plane?

    The distance between London and Incheon Intl is about 5492.6 mi. 13h 55m is a normal flight duration for this route.

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

    Prices for flights from London to Incheon Intl Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Incheon Intl Airport.

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

    The travel and health documents required for your trip to Incheon Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Incheon Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from London to Incheon Intl Airport

Compare and see reviews for airlines that fly from London to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
China EasternPriceFrom £305Free CancellationRating
7.2
173 reviews
Search China Eastern flights
China SouthernPriceFrom £339Free CancellationRating
7.4
116 reviews
Search China Southern flights
Air ChinaPriceFrom £370Free CancellationRating
7.2
117 reviews
Search Air China flights
Shenzhen AirlinesPriceFrom £425Free CancellationRating
7.5
20 reviews
Search Shenzhen Airlines flights
LufthansaPriceFrom £434Free CancellationRating
6.8
7,518 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom £501Free CancellationRating
7.3
4,023 reviews
Search Turkish Airlines flights
LOTPriceFrom £526Free CancellationRating
7.6
1,134 reviews
Search LOT flights
Etihad AirwaysPriceFrom £542Free CancellationRating
7.4
1,282 reviews
Search Etihad Airways flights
Air FrancePriceFrom £553Free CancellationRating
7.4
1,477 reviews
Search Air France flights
FinnairPriceFrom £559Free CancellationRating
7.6
1,333 reviews
Search Finnair flights

  • Korean Air Flights From London to Incheon Intl Airport

    Korean Air operates around 4 flights from London to Incheon Intl Airport every week. The average price of these flights found in the last 72 hours has been £874, but momondo users have found Korean Air deals from London to Incheon Intl Airport from as low as £743 round-trip. Korean Air has been scored 8.4/10 in 1,153 reviews.

  • Asiana Airlines Flights From London to Incheon Intl Airport

    The best Asiana Airlines deal for London to Incheon Intl Airport flight tickets found on momondo in the last 72 hours was £702, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at £846 round-trip. Asiana Airlines operates 4 flights out of London into Incheon Intl Airport in an average week, so prices vary by time and availability. 486 Asiana Airlines reviews by users on momondo have scored the airline at 8.2/10.

Travelling to a place near Seoul?

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

Why use momondo?

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

It is quick and easy to find London to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

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

Flights from London to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between London and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from London and alert you when they change.

An easier way to manage your Incheon Intl Airport trip

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