Cheap flights from London to Seoul from £242

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 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from London to Seoul

Cheap return flights

Enter your travel dates to find the best prices.
China Eastern Logo
21:00 - 13:15
LHR
-
ICN
31h 15m2 stops
China Eastern Logo
20:50 - 17:30
ICN
-
LHR
29h 40m2 stops
£358China Eastern
Thu, 29 Jan - Mon, 9 Feb
Air China Logo
11:35 - 13:20
LGW
-
ICN
16h 45m1 stop
Air China Logo
13:10 - 05:35
ICN
-
LGW
25h 25m1 stop
£360Air China
Sun, 18 Jan - Thu, 5 Feb
Multiple Airlines Logo
11:35 - 21:55
LGW
-
ICN
25h 20m1 stop
Multiple Airlines Logo
18:25 - 14:00
ICN
-
LGW
28h 35m1 stop
£362Multiple 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
£363China Eastern
Wed, 21 Jan - Wed, 28 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
£364China Eastern
Tue, 13 Jan - Tue, 20 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
£365China Eastern
Wed, 21 Jan - Wed, 28 Jan
Multiple Airlines Logo
20:20 - 21:45
LGW
-
ICN
16h 25m1 stop
Multiple Airlines Logo
16:20 - 06:30
ICN
-
LGW
23h 10m1 stop
£365Multiple Airlines
Tue, 6 Jan - Tue, 20 Jan
Air China Logo
12:35 - 14:15
LGW
-
ICN
17h 40m1 stop
Air China Logo
15:30 - 06:35
ICN
-
LGW
23h 05m1 stop
£373Air China
Sun, 3 May - Fri, 15 May
KLM Logo
17:05 - 16:55
LCY
-
ICN
14h 50m1 stop
KLM Logo
23:05 - 08:10
ICN
-
LCY
18h 05m1 stop
£440KLM
Fri, 16 Jan - Fri, 23 Jan
KLM Logo
17:05 - 16:55
LCY
-
ICN
14h 50m1 stop
KLM Logo
23:05 - 08:50
ICN
-
LCY
18h 45m1 stop
£450KLM
Wed, 14 Jan - Tue, 20 Jan

China Eastern flights from London to Incheon Intl Airport

Our best China Eastern deals on London to Incheon Intl Airport flight tickets
China Eastern
29 Jan
LHR21:00London Heathrow
31h 15m
2 stops
ICN13:15Incheon Intl
9 Feb
ICN20:50Incheon Intl
29h 40m
2 stops
LHR17:30London Heathrow
China Eastern
21 Jan
LHR21:00London Heathrow
14h 45m
1 stop
ICN20:45Incheon Intl
28 Jan
ICN08:55Incheon Intl
17h 35m
1 stop
LHR17:30London Heathrow
China Eastern
13 Jan
LHR21:00London Heathrow
14h 45m
1 stop
ICN20:45Incheon Intl
20 Jan
ICN08:55Incheon Intl
17h 35m
1 stop
LHR17:30London Heathrow

Air China flights from London to Incheon Intl Airport

Our best Air China deals on London to Incheon Intl Airport flight tickets
Air China
18 Jan
LGW11:35London Gatwick
16h 45m
1 stop
ICN13:20Incheon Intl
5 Feb
ICN13:10Incheon Intl
25h 25m
1 stop
LGW05:35London Gatwick
Air China
3 May
LGW12:35London Gatwick
17h 40m
1 stop
ICN14:15Incheon Intl
15 May
ICN15:30Incheon Intl
23h 05m
1 stop
LGW06:35London Gatwick
Air China
14 Jan
LHR17:40London Heathrow
34h 40m
1 stop
ICN13:20Incheon Intl
21 Jan
ICN14:55Incheon Intl
37h 45m
1 stop
LHR19:40London Heathrow

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 23 December 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

Thu 29/1

21:00-13:15

2 stops31h 15m

Incheon Intl

Mon 9/2

20:50-17:30

2 stops29h 40m

£358

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sun 18/1

11:35-13:20

1 stop16h 45m

Incheon Intl

Thu 5/2

13:10-05:35

1 stop25h 25m

£360

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Fri 16/1

11:35-21:55

1 stop25h 20m

Incheon Intl

Fri 23/1

18:25-14:00

1 stop28h 35m

£362

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 21/1

21:00-20:45

1 stop14h 45m

Incheon Intl

Wed 28/1

08:55-17:30

1 stop17h 35m

£363

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 13/1

21:00-20:45

1 stop14h 45m

Incheon Intl

Tue 20/1

08:55-17:30

1 stop17h 35m

£364

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 21/1

21:00-20:45

1 stop14h 45m

Incheon Intl

Wed 28/1

08:55-17:30

1 stop17h 35m

£365

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Tue 6/1

20:20-21:45

1 stop16h 25m

Incheon Intl

Tue 20/1

16:20-06:30

1 stop23h 10m

£365

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sun 3/5

12:35-14:15

1 stop17h 40m

Incheon Intl

Fri 15/5

15:30-06:35

1 stop23h 05m

£373

LondonIncheon

LCY - ICN

LCYICN

London City

Fri 16/1

17:05-16:55

1 stop14h 50m

Incheon Intl

Fri 23/1

23:05-08:10

1 stop18h 05m

£440

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 14/1

17:05-16:55

1 stop14h 50m

Incheon Intl

Tue 20/1

23:05-08:50

1 stop18h 45m

£450

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 £404, 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 £494.

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 £885. The most expensive day to fly to Incheon Intl Airport is Saturday, with ticket prices averaging around £1,026.

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 £735. In contrast, the most expensive time of day to depart to Incheon Intl Airport is in the afternoon when prices are around £1,025.

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 £698 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 £594 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 December 2025, prices for London to Incheon Intl Airport flights are approximately 33% 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

£423

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 £423. The best return flight deal from London to Incheon Intl Airport found on momondo in the last 72 hours is £760.
The fastest flight from London to Incheon Intl Airport takes 12h 35m
Direct flights go from London to Incheon Intl Airport every day.
  • How far is London to Incheon Intl by plane?

    The distance between London and Incheon Intl is about 5492.6 mi. 12h 35m 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 £301Free CancellationRating
7.2
179 reviews
Search China Eastern flights
Turkish AirlinesPriceFrom £328Free CancellationRating
7.3
4,112 reviews
Search Turkish Airlines flights
China SouthernPriceFrom £338Free CancellationRating
7.5
123 reviews
Search China Southern flights
Air ChinaPriceFrom £344Free CancellationRating
7.2
132 reviews
Search Air China flights
LufthansaPriceFrom £424Free CancellationRating
6.8
7,649 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom £455Free CancellationRating
7.4
1,620 reviews
Search Scandinavian Airlines flights
Etihad AirwaysPriceFrom £538Free CancellationRating
7.4
1,336 reviews
Search Etihad Airways flights
Air FrancePriceFrom £549Free CancellationRating
7.4
1,513 reviews
Search Air France flights
LOTPriceFrom £552Free CancellationRating
7.5
1,153 reviews
Search LOT flights
FinnairPriceFrom £559Free CancellationRating
7.6
1,339 reviews
Search Finnair flights
  • Korean Air Flights From London to Incheon Intl Airport

    Korean Air operates around 7 flights from London to Incheon Intl Airport every week. The average price of these flights found in the last 72 hours has been £864, but momondo users have found Korean Air deals from London to Incheon Intl Airport from as low as £737 round-trip. Korean Air has been scored 8.4/10 in 1,185 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 £694, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at £835 round-trip. Asiana Airlines operates 7 flights out of London into Incheon Intl Airport in an average week, so prices vary by time and availability. 499 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 22/1
Thu 29/1

Find better results for your trip to Seoul

Popular Cities in South Korea

Popular flights according to clicks in the last 7 days on momondo