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Cheap flights from London Heathrow Airport to Seoul from £252

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 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Seoul

Cheap return flights

Enter your travel dates to find the best prices.
China Southern Logo
21:30 - 22:15LHR-ICN
15h 45m1 stop
China Southern Logo
09:25 - 18:35ICN-LHR
18h 10m1 stop
£380China Southern
Find Deal
Sat, 22 Nov - Sat, 6 Dec
Air China Logo
21:35 - 12:55LHR-ICN
30h 20m1 stop
Air China Logo
13:10 - 15:55ICN-LHR
35h 45m1 stop
£380Air China
Find Deal
Sat, 15 Nov - Wed, 3 Dec
Air China Logo
21:35 - 12:55LHR-ICN
30h 20m1 stop
Air China Logo
11:10 - 17:50ICN-LHR
15h 40m1 stop
£381Air China
Find Deal
Sat, 15 Nov - Sat, 22 Nov
Air China Logo
22:10 - 12:55LHR-ICN
29h 45m1 stop
Air China Logo
17:50 - 17:50ICN-LHR
33h 00m1 stop
£382Air China
Find Deal
Tue, 2 Dec - Mon, 8 Dec
China Southern Logo
21:30 - 22:15LHR-ICN
15h 45m1 stop
China Southern Logo
09:25 - 18:35ICN-LHR
18h 10m1 stop
£383China Southern
Find Deal
Sat, 15 Nov - Mon, 24 Nov
China Southern Logo
21:30 - 22:15LHR-ICN
15h 45m1 stop
China Southern Logo
14:50 - 18:35ICN-LHR
36h 45m1 stop
£383China Southern
Find Deal
Wed, 5 Nov - Thu, 27 Nov
China Southern Logo
21:30 - 22:15LHR-ICN
15h 45m1 stop
China Southern Logo
10:55 - 18:35ICN-LHR
40h 40m1 stop
£384China Southern
Find Deal
Mon, 10 Nov - Mon, 17 Nov
China Eastern Logo
21:00 - 15:20LHR-ICN
33h 20m1 stop
China Eastern Logo
18:25 - 17:30ICN-LHR
32h 05m1 stop
£393China Eastern
Find Deal
Tue, 28 Oct - Mon, 10 Nov
China Eastern Logo
21:00 - 11:15LHR-ICN
29h 15m2 stops
China Eastern Logo
16:10 - 17:30ICN-LHR
34h 20m1 stop
£394China Eastern
Find Deal
Sat, 1 Nov - Wed, 26 Nov
Hainan Airlines Logo
21:00 - 21:00LHR-ICN
39h 00m2 stops
Hainan Airlines Logo
22:10 - 17:55ICN-LHR
28h 45m1 stop
£398Hainan Airlines
Find Deal
Mon, 8 Dec - Sat, 13 Dec

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
22 Nov
LHR21:30London Heathrow
15h 45m
1 stop
ICN22:15Incheon Intl
6 Dec
ICN09:25Incheon Intl
18h 10m
1 stop
LHR18:35London Heathrow
£380
Find similar
China Southern
15 Nov
LHR21:30London Heathrow
15h 45m
1 stop
ICN22:15Incheon Intl
24 Nov
ICN09:25Incheon Intl
18h 10m
1 stop
LHR18:35London Heathrow
£383
Find similar
China Southern
5 Nov
LHR21:30London Heathrow
15h 45m
1 stop
ICN22:15Incheon Intl
27 Nov
ICN14:50Incheon Intl
36h 45m
1 stop
LHR18:35London Heathrow
£383
Find similar

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
15 Nov
LHR21:35London Heathrow
30h 20m
1 stop
ICN12:55Incheon Intl
3 Dec
ICN13:10Incheon Intl
35h 45m
1 stop
LHR15:55London Heathrow
£380
Find similar
Air China
15 Nov
LHR21:35London Heathrow
30h 20m
1 stop
ICN12:55Incheon Intl
22 Nov
ICN11:10Incheon Intl
15h 40m
1 stop
LHR17:50London Heathrow
£381
Find similar
Air China
2 Dec
LHR22:10London Heathrow
29h 45m
1 stop
ICN12:55Incheon Intl
8 Dec
ICN17:50Incheon Intl
33h 00m
1 stop
LHR17:50London Heathrow
£382
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 3 October 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

Sat 22/11

21:30-22:15

1 stop15h 45m

Incheon Intl

Sat 6/12

09:25-18:35

1 stop18h 10m

£380

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 15/11

21:35-12:55

1 stop30h 20m

Incheon Intl

Wed 3/12

13:10-15:55

1 stop35h 45m

£380

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 15/11

21:35-12:55

1 stop30h 20m

Incheon Intl

Sat 22/11

11:10-17:50

1 stop15h 40m

£381

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 2/12

22:10-12:55

1 stop29h 45m

Incheon Intl

Mon 8/12

17:50-17:50

1 stop33h 00m

£382

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 15/11

21:30-22:15

1 stop15h 45m

Incheon Intl

Mon 24/11

09:25-18:35

1 stop18h 10m

£383

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 5/11

21:30-22:15

1 stop15h 45m

Incheon Intl

Thu 27/11

14:50-18:35

1 stop36h 45m

£383

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 10/11

21:30-22:15

1 stop15h 45m

Incheon Intl

Mon 17/11

10:55-18:35

1 stop40h 40m

£384

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 28/10

21:00-15:20

1 stop33h 20m

Incheon Intl

Mon 10/11

18:25-17:30

1 stop32h 05m

£393

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 1/11

21:00-11:15

2 stops29h 15m

Incheon Intl

Wed 26/11

16:10-17:30

1 stop34h 20m

£394

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 8/12

21:00-21:00

2 stops39h 00m

Incheon Intl

Sat 13/12

22:10-17:55

1 stop28h 45m

£398

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 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 £478, 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 January is also cheap. Prices for this month can be found on momondo for an average of £515.

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 £879. The most expensive day to fly to Incheon Intl Airport is Saturday, with ticket prices averaging around £1,005.

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 £734. In contrast, the most expensive time of day to depart to Incheon Intl Airport is in the afternoon when prices are around £1,019.

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 £689 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 £666 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 8% 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 October 2025, prices for London Heathrow Airport to Incheon Intl Airport flights are approximately 19% 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

£516

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 £516. The best return flight deal from London Heathrow Airport to Incheon Intl Airport found on momondo in the last 72 hours is £858.
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.
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 14h 45m, 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 £330Free CancellationRating
7.2
168 reviews
Search China Eastern flights
China SouthernPriceFrom £336Free CancellationRating
7.5
113 reviews
Search China Southern flights
Air ChinaPriceFrom £367Free CancellationRating
7.3
110 reviews
Search Air China flights
Shenzhen AirlinesPriceFrom £421Free CancellationRating
7.5
20 reviews
Search Shenzhen Airlines flights
LufthansaPriceFrom £429Free CancellationRating
6.8
7,444 reviews
Search Lufthansa flights
LOTPriceFrom £507Free CancellationRating
7.6
1,122 reviews
Search LOT flights
Etihad AirwaysPriceFrom £537Free CancellationRating
7.4
1,267 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £546Free CancellationRating
7.3
3,983 reviews
Search Turkish Airlines flights
Air FrancePriceFrom £548Free CancellationRating
7.4
1,467 reviews
Search Air France flights
FinnairPriceFrom £553Free CancellationRating
7.6
1,332 reviews
Search Finnair 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 £1,159, but momondo users have found Korean Air deals from London Heathrow Airport to Incheon Intl Airport from as low as £993 round-trip. Korean Air has been scored 8.4/10 in 1,145 reviews.

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

    £936 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 £1,124, however, with flight time and availability significantly affecting the price. Asiana Airlines (8.2/10 from 485 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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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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