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Cheap flights from London Heathrow Airport to Seoul from €304

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 15/3. 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

Cheap return flights

Enter your travel dates to find the best prices.
China Eastern Logo
21:00 - 13:30
LHR
-
ICN
31h 30m
1 stop
China Eastern Logo
06:50 - 18:40
ICN
-
LHR
43h 50m
2 stops
€416China Eastern
Mon, 9 Mar - Thu, 28 May
China Eastern Logo
21:20 - 20:45
LHR
-
ICN
15h 25m
1 stop
China Eastern Logo
18:25 - 18:40
ICN
-
LHR
32h 15m
1 stop
€421China Eastern
Mon, 11 May - Mon, 25 May
China Eastern Logo
21:00 - 21:45
LHR
-
ICN
39h 45m
3 stops
China Eastern Logo
06:50 - 18:40
ICN
-
LHR
43h 50m
2 stops
€422China Eastern
Mon, 9 Mar - Thu, 28 May
China Eastern Logo
21:20 - 17:25
LHR
-
ICN
36h 05m
1 stop
China Eastern Logo
08:55 - 18:40
ICN
-
LHR
17h 45m
1 stop
€424China Eastern
Thu, 7 May - Wed, 20 May
China Eastern Logo
21:20 - 13:15
LHR
-
ICN
31h 55m
3 stops
China Eastern Logo
08:55 - 18:40
ICN
-
LHR
17h 45m
1 stop
€427China Eastern
Tue, 12 May - Tue, 26 May
China Eastern Logo
21:20 - 13:15
LHR
-
ICN
31h 55m
2 stops
China Eastern Logo
08:55 - 18:40
ICN
-
LHR
17h 45m
1 stop
€429China Eastern
Thu, 7 May - Wed, 20 May
Multiple Airlines Logo
19:45 - 20:40
LHR
-
ICN
39h 55m
1 stop
Multiple Airlines Logo
18:25 - 18:40
ICN
-
LHR
32h 15m
1 stop
€491Multiple Airlines
Wed, 18 Mar - Sun, 29 Mar
China Eastern Logo
21:00 - 15:20
LHR
-
ICN
33h 20m
1 stop
China Eastern Logo
16:20 - 17:30
ICN
-
LHR
34h 10m
1 stop
€529China Eastern
Tue, 3 Mar - Tue, 10 Mar
China Eastern Logo
21:00 - 15:05
LHR
-
ICN
33h 05m
1 stop
China Eastern Logo
08:55 - 17:30
ICN
-
LHR
17h 35m
1 stop
€532China Eastern
Wed, 4 Mar - Mon, 9 Mar
China Eastern Logo
21:00 - 20:45
LHR
-
ICN
14h 45m
1 stop
China Eastern Logo
08:55 - 17:30
ICN
-
LHR
17h 35m
1 stop
€532China Eastern
Mon, 9 Mar - Mon, 23 Mar

Etihad Airways flights from London Heathrow Airport to Seoul

Our best Etihad Airways deals on London Heathrow Airport to Seoul flight tickets
Etihad Airways
3 Feb
LHR19:20London Heathrow
30h 25m
1 stop
ICN10:45Incheon Intl
17 Feb
ICN17:50Incheon Intl
21h 50m
1 stop
LHR06:40London Heathrow
€514
Etihad Airways
4 Mar
LHR13:55London Heathrow
35h 50m
1 stop
ICN10:45Incheon Intl
16 Mar
ICN23:45Incheon Intl
23h 45m
1 stop
LHR14:30London Heathrow
€612
Etihad Airways
8 Feb
LHR13:55London Heathrow
35h 50m
1 stop
ICN10:45Incheon Intl
16 Feb
ICN23:45Incheon Intl
21h 20m
1 stop
LHR12:05London Heathrow
€646

China Eastern flights from London Heathrow Airport to Seoul

Our best China Eastern deals on London Heathrow Airport to Seoul flight tickets
China Eastern
9 Mar
LHR21:00London Heathrow
31h 30m
1 stop
ICN13:30Incheon Intl
28 May
ICN06:50Incheon Intl
43h 50m
2 stops
LHR18:40London Heathrow
€416
China Eastern
11 May
LHR21:20London Heathrow
15h 25m
1 stop
ICN20:45Incheon Intl
26 May
ICN08:55Incheon Intl
17h 45m
1 stop
LHR18:40London Heathrow
€421
China Eastern
9 Mar
LHR21:00London Heathrow
39h 45m
3 stops
ICN21:45Incheon Intl
28 May
ICN06:50Incheon Intl
43h 50m
2 stops
LHR18:40London Heathrow
€422

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 1 February 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

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 9/3

21:00-13:30

1 stop31h 30m

Incheon Intl

Thu 28/5

06:50-18:40

2 stops43h 50m

€416

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 11/5

21:20-20:45

1 stop15h 25m

Incheon Intl

Mon 25/5

18:25-18:40

1 stop32h 15m

€421

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 9/3

21:00-21:45

3 stops39h 45m

Incheon Intl

Thu 28/5

06:50-18:40

2 stops43h 50m

€422

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 7/5

21:20-17:25

1 stop36h 05m

Incheon Intl

Wed 20/5

08:55-18:40

1 stop17h 45m

€424

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 12/5

21:20-13:15

3 stops31h 55m

Incheon Intl

Tue 26/5

08:55-18:40

1 stop17h 45m

€427

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 7/5

21:20-13:15

2 stops31h 55m

Incheon Intl

Wed 20/5

08:55-18:40

1 stop17h 45m

€429

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 18/3

19:45-20:40

1 stop39h 55m

Incheon Intl

Sun 29/3

18:25-18:40

1 stop32h 15m

€491

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 3/3

21:00-15:20

1 stop33h 20m

Incheon Intl

Tue 10/3

16:20-17:30

1 stop34h 10m

€529

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/3

21:00-15:05

1 stop33h 05m

Incheon Intl

Mon 9/3

08:55-17:30

1 stop17h 35m

€532

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 9/3

21:00-20:45

1 stop14h 45m

Incheon Intl

Mon 23/3

08:55-17:30

1 stop17h 35m

€532

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 November. Flight prices, which tend to average around €497, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Seoul, with average flight prices from London Heathrow Airport averaging around €539.

What is the cheapest day to depart on your flight to Seoul?

On average, the least expensive day to fly to Seoul from London Heathrow Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as €925. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Seoul on a Friday will generally be more expensive and average around €1,032. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 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 €787 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 €676 on momondo.

What cabin class options are available on London Heathrow to Seoul flights?

There is only 1 cabin class available to choose from on London Heathrow to Seoul 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 Seoul flights?

You could potentially save up to 26% on your flight if you consider stops on a London Heathrow Airport to Seoul flight.

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

As of February 2026, prices for London Heathrow Airport to Seoul flights are approximately 1% 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 40m

Direct flights

Every day

Airports in Seoul

2 airports
The fastest flight from London Heathrow Airport to Seoul takes 12h 40m
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

  • 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 40m.

  • 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