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Cheap flights from London Heathrow Airport to Seoul from £207

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 2/9. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to Seoul (LHR-ICN)

Cheap return flights

Air China Logo
22:40 - 21:45LHR-ICN
15h 05m1 stop
Air China Logo
13:05 - 20:30ICN-LHR
15h 25m1 stop
£353Air China
Find Deal
Mon, 1 Sep - Mon, 15 Sep
China Southern Logo
21:30 - 22:25LHR-ICN
15h 55m1 stop
China Southern Logo
16:15 - 18:15ICN-LHR
35h 00m1 stop
£367China Southern
Find Deal
Sat, 8 Nov - Tue, 18 Nov
China Southern Logo
21:30 - 22:25LHR-ICN
15h 55m1 stop
China Southern Logo
16:15 - 18:15ICN-LHR
35h 00m1 stop
£368China Southern
Find Deal
Thu, 30 Oct - Wed, 12 Nov
China Southern Logo
21:30 - 22:25LHR-ICN
15h 55m1 stop
China Southern Logo
14:50 - 18:15ICN-LHR
36h 25m1 stop
£370China Southern
Find Deal
Mon, 10 Nov - Tue, 18 Nov
Air China Logo
22:40 - 14:15LHR-ICN
31h 35m1 stop
Air China Logo
15:30 - 20:30ICN-LHR
37h 00m1 stop
£371Air China
Find Deal
Sun, 31 Aug - Mon, 8 Sep
China Southern Logo
21:30 - 22:25LHR-ICN
15h 55m1 stop
China Southern Logo
09:25 - 17:55ICN-LHR
17h 30m1 stop
£372China Southern
Find Deal
Wed, 5 Nov - Fri, 21 Nov
Air China Logo
22:40 - 21:45LHR-ICN
15h 05m1 stop
Air China Logo
13:05 - 20:30ICN-LHR
15h 25m1 stop
£372Air China
Find Deal
Mon, 1 Sep - Thu, 11 Sep
Air China Logo
20:25 - 21:45LHR-ICN
17h 20m1 stop
Air China Logo
15:30 - 20:30ICN-LHR
37h 00m1 stop
£373Air China
Find Deal
Mon, 1 Sep - Sun, 7 Sep
China Southern Logo
21:30 - 22:25LHR-ICN
15h 55m1 stop
China Southern Logo
10:55 - 18:15ICN-LHR
40h 20m1 stop
£374China Southern
Find Deal
Tue, 28 Oct - Tue, 11 Nov
Air China Logo
22:40 - 16:35LHR-ICN
33h 55m1 stop
Air China Logo
17:50 - 20:30ICN-LHR
34h 40m1 stop
£375Air China
Find Deal
Wed, 27 Aug - Wed, 15 Oct

Air China flights from London Heathrow Airport to Incheon Intl Airport

Our best Air China deals on London Heathrow Airport to Incheon Intl Airport flight tickets
Air China
1 Sept
LHR22:40London Heathrow
15h 05m
1 stop
ICN21:45Incheon Intl
15 Sept
ICN13:05Incheon Intl
15h 25m
1 stop
LHR20:30London Heathrow
£353
Find similar
Air China
31 Aug
LHR22:40London Heathrow
31h 35m
1 stop
ICN14:15Incheon Intl
8 Sept
ICN15:30Incheon Intl
37h 00m
1 stop
LHR20:30London Heathrow
£371
Find similar
Air China
1 Sept
LHR22:40London Heathrow
15h 05m
1 stop
ICN21:45Incheon Intl
11 Sept
ICN13:05Incheon Intl
15h 25m
1 stop
LHR20:30London Heathrow
£372
Find similar

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
8 Nov
LHR21:30London Heathrow
15h 55m
1 stop
ICN22:25Incheon Intl
18 Nov
ICN16:15Incheon Intl
35h 00m
1 stop
LHR18:15London Heathrow
£367
Find similar
China Southern
30 Oct
LHR21:30London Heathrow
15h 55m
1 stop
ICN22:25Incheon Intl
12 Nov
ICN16:15Incheon Intl
35h 00m
1 stop
LHR18:15London Heathrow
£368
Find similar
China Southern
10 Nov
LHR21:30London Heathrow
15h 55m
1 stop
ICN22:25Incheon Intl
18 Nov
ICN14:50Incheon Intl
36h 25m
1 stop
LHR18:15London Heathrow
£370
Find similar

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 15 August 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 1/9

22:40-21:45

1 stop15h 05m

Incheon Intl

Mon 15/9

13:05-20:30

1 stop15h 25m

£353

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 8/11

21:30-22:25

1 stop15h 55m

Incheon Intl

Tue 18/11

16:15-18:15

1 stop35h 00m

£367

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 30/10

21:30-22:25

1 stop15h 55m

Incheon Intl

Wed 12/11

16:15-18:15

1 stop35h 00m

£368

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 10/11

21:30-22:25

1 stop15h 55m

Incheon Intl

Tue 18/11

14:50-18:15

1 stop36h 25m

£370

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 31/8

22:40-14:15

1 stop31h 35m

Incheon Intl

Mon 8/9

15:30-20:30

1 stop37h 00m

£371

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 5/11

21:30-22:25

1 stop15h 55m

Incheon Intl

Fri 21/11

09:25-17:55

1 stop17h 30m

£372

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 1/9

22:40-21:45

1 stop15h 05m

Incheon Intl

Thu 11/9

13:05-20:30

1 stop15h 25m

£372

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 1/9

20:25-21:45

1 stop17h 20m

Incheon Intl

Sun 7/9

15:30-20:30

1 stop37h 00m

£373

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 28/10

21:30-22:25

1 stop15h 55m

Incheon Intl

Tue 11/11

10:55-18:15

1 stop40h 20m

£374

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 27/8

22:40-16:35

1 stop33h 55m

Incheon Intl

Wed 15/10

17:50-20:30

1 stop34h 40m

£375

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 typical price of a round-trip flight between London Heathrow Airport 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 Heathrow Airport is in November. Flight prices, which tend to average around £462, 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 £513.

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 £863. The most expensive day to fly to Incheon Intl Airport is Saturday, with ticket prices averaging around £984.

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 £729. In contrast, the most expensive time of day to depart to Incheon Intl Airport is in the afternoon when prices are around £1,013.

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 £681 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 £626 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 7% 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 August 2025, prices for London Heathrow Airport to Incheon Intl Airport flights are approximately 4% 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

£207

Fastest flight time

13h 55m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from London Heathrow Airport in the past 72 hours is £207. The best return flight deal from London Heathrow Airport to Incheon Intl Airport found on momondo in the last 72 hours is £353.
The fastest flight from London Heathrow Airport to Incheon Intl Airport takes 13h 55m
Direct flights go from London Heathrow Airport to Incheon Intl Airport every day.
Search flight deals

  • 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 13h 55m, 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 £328Free CancellationRating
7.2
160 reviews
Search China Eastern flights
China SouthernPriceFrom £334Free CancellationRating
7.6
106 reviews
Search China Southern flights
Air ChinaPriceFrom £362Free CancellationRating
7.3
94 reviews
Search Air China flights
Shenzhen AirlinesPriceFrom £418Free CancellationRating
6.8
15 reviews
Search Shenzhen Airlines flights
LufthansaPriceFrom £436Free CancellationRating
6.8
7,321 reviews
Search Lufthansa flights
LOTPriceFrom £518Free CancellationRating
7.6
1,107 reviews
Search LOT flights
Etihad AirwaysPriceFrom £533Free CancellationRating
7.4
1,232 reviews
Search Etihad Airways flights
Air FrancePriceFrom £538Free CancellationRating
7.4
1,468 reviews
Search Air France flights
FinnairPriceFrom £541Free CancellationRating
7.6
1,321 reviews
Search Finnair flights
Turkish AirlinesPriceFrom £542Free CancellationRating
7.3
3,939 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 £1,140, but momondo users have found Korean Air deals from London Heathrow Airport to Incheon Intl Airport from as low as £990 round-trip. Korean Air has been scored 8.4/10 in 1,131 reviews.

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

    £940 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 £1,118, however, with flight time and availability significantly affecting the price. Asiana Airlines (8.2/10 from 473 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
Daejeon
Seongnam

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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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