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Cheap flights from London Heathrow Airport to Seoul from €396

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 16/9. 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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Find the cheapest flights from London Heathrow Airport to Seoul

Cheap return flights

Enter your travel dates to find the best prices.
Air India Logo
21:45 - 10:40
LHR
-
ICN
28h 55m
1 stop
Air India Logo
12:20 - 11:30
ICN
-
LHR
31h 10m
1 stop
€627Air India
Tue, 23 Jun - Tue, 30 Jun
Lufthansa Logo
07:25 - 09:55
LHR
-
ICN
18h 30m
1 stop
Lufthansa Logo
11:40 - 20:45
ICN
-
LHR
17h 05m
1 stop
€628Lufthansa
Wed, 10 Jun - Tue, 21 Jul
Multiple Airlines Logo
06:00 - 07:30
LHR
-
ICN
17h 30m
1 stop
Multiple Airlines Logo
11:40 - 20:45
ICN
-
LHR
17h 05m
1 stop
€637Multiple Airlines
Tue, 9 Jun - Tue, 14 Jul
Lufthansa Logo
10:30 - 10:50
LHR
-
ICN
15h 20m
1 stop
Lufthansa Logo
13:05 - 08:05
ICN
-
LHR
28h 00m
2 stops
€638Lufthansa
Wed, 4 Nov - Mon, 16 Nov
Lufthansa Logo
08:30 - 10:50
LHR
-
ICN
17h 20m
1 stop
Lufthansa Logo
13:05 - 08:05
ICN
-
LHR
28h 00m
2 stops
€641Lufthansa
Wed, 4 Nov - Mon, 16 Nov
Lufthansa Logo
06:30 - 09:55
LHR
-
ICN
19h 25m
1 stop
Lufthansa Logo
11:40 - 22:40
ICN
-
LHR
19h 00m
1 stop
€642Lufthansa
Mon, 8 Jun - Tue, 14 Jul
Lufthansa Logo
10:30 - 10:50
LHR
-
ICN
15h 20m
1 stop
Lufthansa Logo
13:05 - 08:05
ICN
-
LHR
28h 00m
2 stops
€643Lufthansa
Wed, 4 Nov - Mon, 16 Nov
Shenzhen Airlines Logo
22:05 - 14:15
LHR
-
ICN
32h 10m
1 stop
Shenzhen Airlines Logo
17:45 - 19:50
ICN
-
LHR
34h 05m
1 stop
€645Shenzhen Airlines
Sat, 13 Jun - Fri, 17 Jul
Lufthansa Logo
08:30 - 10:50
LHR
-
ICN
17h 20m
1 stop
Lufthansa Logo
13:05 - 08:05
ICN
-
LHR
28h 00m
2 stops
€646Lufthansa
Mon, 2 Nov - Sun, 29 Nov
Shenzhen Airlines Logo
22:05 - 16:45
LHR
-
ICN
34h 40m
1 stop
Shenzhen Airlines Logo
15:15 - 20:00
ICN
-
LHR
36h 45m
1 stop
€648Shenzhen Airlines
Sun, 31 May - Thu, 23 Jul

Lufthansa flights from London Heathrow Airport to Seoul

Our best Lufthansa deals on London Heathrow Airport to Seoul flight tickets
Lufthansa
10 Jun
LHR07:25London Heathrow
18h 30m
1 stop
ICN09:55Incheon Intl
21 Jul
ICN11:40Incheon Intl
17h 05m
1 stop
LHR20:45London Heathrow
€628
Lufthansa
4 Nov
LHR10:30London Heathrow
15h 20m
1 stop
ICN10:50Incheon Intl
16 Nov
ICN13:05Incheon Intl
28h 00m
2 stops
LHR08:05London Heathrow
€638
Lufthansa
4 Nov
LHR08:30London Heathrow
17h 20m
1 stop
ICN10:50Incheon Intl
16 Nov
ICN13:05Incheon Intl
28h 00m
2 stops
LHR08:05London Heathrow
€641

Etihad Airways flights from London Heathrow Airport to Seoul

Our best Etihad Airways deals on London Heathrow Airport to Seoul flight tickets
Etihad Airways
29 May
LHR20:25London Heathrow
30h 25m
1 stop
ICN10:50Incheon Intl
23 Jun
ICN17:45Incheon Intl
21h 15m
1 stop
LHR07:00London Heathrow
€653
Etihad Airways
14 May
LHR09:30London Heathrow
17h 20m
1 stop
ICN10:50Incheon Intl
12 Jun
ICN17:50Incheon Intl
26h 55m
1 stop
LHR12:45London Heathrow
€654
Etihad Airways
29 Sept
LHR09:30London Heathrow
17h 20m
1 stop
ICN10:50Incheon Intl
19 Nov
ICN17:50Incheon Intl
29h 40m
1 stop
LHR14:30London Heathrow
€655

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Seoul 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 13,528 searches. Data last updated 13 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 23/6

21:45-10:40

1 stop28h 55m

Incheon Intl

Tue 30/6

12:20-11:30

1 stop31h 10m

€627

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 10/6

07:25-09:55

1 stop18h 30m

Incheon Intl

Tue 21/7

11:40-20:45

1 stop17h 05m

€628
Fastest return journey

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 9/6

06:00-07:30

1 stop17h 30m

Incheon Intl

Tue 14/7

11:40-20:45

1 stop17h 05m

€637

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/11

10:30-10:50

1 stop15h 20m

Incheon Intl

Mon 16/11

13:05-08:05

2 stops28h 00m

€638

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/11

08:30-10:50

1 stop17h 20m

Incheon Intl

Mon 16/11

13:05-08:05

2 stops28h 00m

€641

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 8/6

06:30-09:55

1 stop19h 25m

Incheon Intl

Tue 14/7

11:40-22:40

1 stop19h 00m

€642

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/11

10:30-10:50

1 stop15h 20m

Incheon Intl

Mon 16/11

13:05-08:05

2 stops28h 00m

€643

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 13/6

22:05-14:15

1 stop32h 10m

Incheon Intl

Fri 17/7

17:45-19:50

1 stop34h 05m

€645

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 2/11

08:30-10:50

1 stop17h 20m

Incheon Intl

Sun 29/11

13:05-08:05

2 stops28h 00m

€646

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 31/5

22:05-16:45

1 stop34h 40m

Incheon Intl

Thu 23/7

15:15-20:00

1 stop36h 45m

€648

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 Seoul

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 Seoul?

What is the cheapest month to fly to Seoul?

The cheapest month to fly to Seoul from London Heathrow Airport is in January. Flight prices, which tend to average around €348, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Seoul, with average flight prices from London Heathrow Airport averaging around €407.

What is the cheapest London Heathrow to Seoul flight route?

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

How far in advance should I book a flight from London Heathrow Airport to Seoul?

You are more likely to see cheaper flights to Seoul from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around €795 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from London Heathrow Airport for as low as €677 on momondo.

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

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Seoul.

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

As of May 2026, prices for London Heathrow Airport to Seoul flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Seoul

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

Cheap London Heathrow Airport to Seoul (LHR to SEL) flight deals and tips

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

Fastest flight time

12h 45m

Direct flights

Every day

Airports in Seoul

2 airports
The fastest flight from London Heathrow Airport to Seoul takes 12h 45m
Direct flights go from London Heathrow Airport to Seoul every day.
There are 2 airports in Seoul. From London Heathrow Airport there are direct flights to Incheon Intl (ICN).
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Seoul

  • How far is London Heathrow to Seoul by plane?

    A flight from London Heathrow to Seoul will travel around 8870.7 km. A reasonable flight in good conditions will take 12h 45m.

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

    Prices for flights from London Heathrow Airport to Seoul are refreshed on a daily basis.

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

    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 Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The required travel and health documents for your Seoul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Seoul . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Seoul from London with this policy.

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?

Yes momondo offers price alerts on flights to Seoul from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 48.8 km from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport