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Cheap flights from London Heathrow Airport to Seoul from €389

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 15/10. 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

These are some of the best return flight deals from London Heathrow Airport to Seoul that have been recently found on momondo from popular airlines, departing in the coming months.
Air China Logo
20:25 - 21:45LHR-ICN
17h 20m1 stop
Air China Logo
17:50 - 20:30ICN-LHR
34h 40m1 stop
€482Air China
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Wed, 4 Jun - Wed, 11 Jun
Shenzhen Airlines Logo
22:05 - 15:45LHR-ICN
33h 40m1 stop
Shenzhen Airlines Logo
14:40 - 20:00ICN-LHR
37h 20m1 stop
€542Shenzhen Airlines
Find Deal
Sun, 25 May - Thu, 12 Jun
Lufthansa Logo
11:30 - 09:55LHR-ICN
14h 25m1 stop
Lufthansa Logo
11:40 - 20:45ICN-LHR
17h 05m1 stop
€569Lufthansa
Find Deal
Wed, 18 Jun - Wed, 9 Jul
Lufthansa Logo
10:30 - 09:55LHR-ICN
15h 25m1 stop
Lufthansa Logo
11:40 - 20:45ICN-LHR
17h 05m1 stop
€570Lufthansa
Find Deal
Tue, 17 Jun - Thu, 3 Jul
 Logo
08:40 - 13:55LHR-ICN
21h 15m2 stops
 Logo
08:55 - 18:40ICN-LHR
17h 45m1 stop
€596
Find Deal
Wed, 4 Jun - Wed, 11 Jun
SWISS Logo
07:00 - 08:25LHR-ICN
17h 25m2 stops
SWISS Logo
10:05 - 19:20ICN-LHR
17h 15m1 stop
€610SWISS
Find Deal
Tue, 17 Jun - Wed, 2 Jul
SWISS Logo
19:15 - 08:25LHR-ICN
53h 10m2 stops
SWISS Logo
10:05 - 21:45ICN-LHR
19h 40m1 stop
€616SWISS
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Fri, 20 Jun - Mon, 30 Jun
Finnair Logo
18:10 - 11:20LHR-ICN
33h 10m1 stop
Finnair Logo
21:50 - 17:05ICN-LHR
27h 15m1 stop
€722Finnair
Find Deal
Tue, 3 Jun - Wed, 10 Sep
 Logo
08:30 - 09:55LHR-ICN
17h 25m2 stops
 Logo
10:05 - 19:20ICN-LHR
17h 15m1 stop
€730
Find Deal
Wed, 14 May - Sat, 24 May
Finnair Logo
13:00 - 11:20LHR-ICN
38h 20m1 stop
Finnair Logo
21:50 - 17:05ICN-LHR
27h 15m1 stop
€735Finnair
Find Deal
Sat, 30 Aug - Mon, 8 Sep

Shenzhen Airlines flights from London Heathrow Airport to Seoul

Our best Shenzhen Airlines deals on London Heathrow Airport to Seoul flight tickets
Shenzhen Airlines
25 May
LHR22:05London Heathrow
33h 40m
1 stop
ICN15:45Incheon Intl
12 Jun
ICN14:40Incheon Intl
37h 20m
1 stop
LHR20:00London Heathrow
Shenzhen Airlines
30 May
LHR22:05London Heathrow
31h 35m
1 stop
ICN13:40Incheon Intl
6 Jun
ICN14:40Incheon Intl
37h 10m
1 stop
LHR19:50London Heathrow
Shenzhen Airlines
13 Jun
LHR22:05London Heathrow
33h 35m
1 stop
ICN15:40Incheon Intl
19 Jun
ICN16:40Incheon Intl
35h 20m
1 stop
LHR20:00London Heathrow

Lufthansa flights from London Heathrow Airport to Seoul

Our best Lufthansa deals on London Heathrow Airport to Seoul flight tickets
Lufthansa
18 Jun
LHR11:30London Heathrow
14h 25m
1 stop
ICN09:55Incheon Intl
9 Jul
ICN11:40Incheon Intl
17h 05m
1 stop
LHR20:45London Heathrow
Lufthansa
17 Jun
LHR10:30London Heathrow
15h 25m
1 stop
ICN09:55Incheon Intl
3 Jul
ICN11:40Incheon Intl
17h 05m
1 stop
LHR20:45London Heathrow
Lufthansa
17 Jun
LHR09:00London Heathrow
16h 55m
1 stop
ICN09:55Incheon Intl
16 Jul
ICN12:25Incheon Intl
16h 15m
1 stop
LHR20:40London Heathrow

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 €598, 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 €623.

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 Friday. momondo users have found tickets for Friday departures for as low as €1,076. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Seoul on a Wednesday will generally be more expensive and average around €1,349. 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 14 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around €809 when searching 14 weeks out.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 €747 on momondo.

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

There are 1 cabin classes 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.

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

As of May 2025, prices for London Heathrow Airport to Seoul flights are approximately 26% cheaper 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

Best price found

€389

Fastest flight time

12h 40m

Direct flights

Every day

Airports in Seoul

1 airport
The best one-way flight to Seoul from London Heathrow Airport in the past 72 hours is €389. The best return flight deal from London Heathrow Airport to Seoul found on momondo in the last 72 hours is €482.
The fastest flight from London Heathrow Airport to Seoul takes 12h 40m
Direct flights go from London Heathrow Airport to Seoul every day.
There is 1 airport near Seoul: Incheon Intl (ICN)

  • 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 14h 25m.

  • 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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Tue 6/5
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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