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Cheap flights from London to Seoul from £226

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 to Seoul departing on 23/4. 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 to Seoul

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London to Seoul.
21:00 - 22:10LHR-ICN
17h 10m1 stop
09:25 - 18:05ICN-LHR
16h 40m1 stop
£357China Southern
Find Deal
Wed, 14 May - Thu, 19 Jun
21:00 - 22:10LHR-ICN
17h 10m1 stop
09:25 - 18:05ICN-LHR
16h 40m1 stop
£357China Southern
Find Deal
Tue, 13 May - Mon, 16 Jun
11:35 - 15:20LGW-ICN
19h 45m1 stop
16:35 - 15:00ICN-LGW
30h 25m1 stop
£388China Eastern
Find Deal
Wed, 7 May - Tue, 13 May
11:35 - 17:25LGW-ICN
21h 50m1 stop
16:35 - 15:00ICN-LGW
30h 25m1 stop
£394China Eastern
Find Deal
Mon, 12 May - Wed, 21 May
22:00 - 12:55LHR-ICN
30h 55m1 stop
17:50 - 20:30ICN-LHR
34h 40m1 stop
£403Air China
Find Deal
Tue, 6 May - Tue, 13 May
22:40 - 11:35LHR-ICN
28h 55m1 stop
17:50 - 17:45ICN-LHR
31h 55m1 stop
£409Air China
Find Deal
Wed, 14 May - Tue, 20 May
10:50 - 09:55LHR-ICN
15h 05m1 stop
11:40 - 19:40ICN-LHR
16h 00m1 stop
£451Lufthansa
Find Deal
Wed, 14 May - Fri, 23 May
11:30 - 09:55LHR-ICN
14h 25m1 stop
11:40 - 19:40ICN-LHR
16h 00m1 stop
£457Lufthansa
Find Deal
Tue, 13 May - Sat, 24 May
17:50 - 16:25LCY-ICN
14h 35m1 stop
22:25 - 08:50ICN-LCY
18h 25m1 stop
£626KLM
Find Deal
Tue, 3 Jun - Mon, 16 Jun
17:50 - 16:25LCY-ICN
14h 35m1 stop
22:25 - 07:15ICN-LCY
16h 50m1 stop
£628KLM
Find Deal
Mon, 2 Jun - Mon, 16 Jun

China Southern flights from London to Seoul

Our best China Southern deals on London to Seoul flight tickets
China Southern
14 May
LHR21:00London Heathrow
17h 10m
1 stop
ICN22:10Incheon Intl
19 Jun
ICN09:25Incheon Intl
16h 40m
1 stop
LHR18:05London Heathrow
China Southern
13 May
LHR21:00London Heathrow
17h 10m
1 stop
ICN22:10Incheon Intl
16 Jun
ICN09:25Incheon Intl
16h 40m
1 stop
LHR18:05London Heathrow
China Southern
12 May
LHR21:00London Heathrow
17h 10m
1 stop
ICN22:10Incheon Intl
19 Jun
ICN09:25Incheon Intl
16h 40m
1 stop
LHR18:05London Heathrow

China Eastern flights from London to Seoul

Our best China Eastern deals on London to Seoul flight tickets
China Eastern
7 May
LGW11:35London Gatwick
19h 45m
1 stop
ICN15:20Incheon Intl
13 May
ICN16:35Incheon Intl
30h 25m
1 stop
LGW15:00London Gatwick
China Eastern
12 May
LGW11:35London Gatwick
21h 50m
1 stop
ICN17:25Incheon Intl
21 May
ICN16:35Incheon Intl
30h 25m
1 stop
LGW15:00London Gatwick
China Eastern
19 May
LGW11:35London Gatwick
16h 20m
1 stop
ICN11:55Incheon Intl
25 May
ICN16:20Incheon Intl
30h 50m
1 stop
LGW15:10London Gatwick

See travel insights to Seoul from

How to get the cheapest flight ticket from London 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 and Seoul?

What is the cheapest month to fly to Seoul?

The month of November is, on average, the cheapest month to fly to Seoul from London, with most prices found around £421. If you are unable to visit Seoul during the month of November, then departing from London during the month March is also very affordable. Most momondo users find prices during this month for around £456.

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

The cheapest day to depart from London to Seoul is on a Wednesday when prices can be found for as low as £869. Flights from London to Seoul on a Saturday will generally be more expensive and average around £908. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Seoul is in the morning. Flights from London to Seoul during this time can be as low as £585. Flights in the afternoon are often more expensive, with an average ticket price of £908.

What is the cheapest London to Seoul flight route?

Fly from London Heathrow to Incheon Intl for the best London - 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 when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around £713 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 for as low as £670 on momondo.

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

There are 4 cabin classes available to choose from on London 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 to Seoul flight prices changed over time?

As of March 2025, prices for London to Seoul flights are approximately 36% cheaper when compared to flights at the same time last year.

When to book flights from London to Seoul

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

Cheap London to Seoul (LON to SEL) flight deals and tips

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

Best price found

£226

Fastest flight time

14h 25m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from London in the past 72 hours is £226. The best return flight deal from London to Seoul found on momondo in the last 72 hours is £357.
The fastest flight from London to Seoul takes 14h 25m
Direct flights go from London to Seoul every day.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)

  • How far is London to Seoul by plane?

    The straight-line distance from London to Seoul is 5501.4 mi. Flights usually cover this in 14h 25m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to Seoul are updated daily.

  • How many operators does momondo search for flights from London to Seoul?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Seoul.

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

    The travel and health documents you'll need for your trip to Seoul 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 Seoul. 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 to Seoul?

  • What is the most popular airline from London to Seoul?


Best airlines flying from London to Seoul

Compare and see reviews for airlines that fly from London to Seoul with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £343Free CancellationRating
7.4
91 reviews
Search China Southern flights
Air ChinaPriceFrom £357Free CancellationRating
7.0
80 reviews
Search Air China flights
China EasternPriceFrom £359Free CancellationRating
7.1
135 reviews
Search China Eastern flights
SAUDIAPriceFrom £425Free CancellationRating
7.4
605 reviews
Search SAUDIA flights
LufthansaPriceFrom £487Free CancellationRating
6.7
6,950 reviews
Search Lufthansa flights
Etihad AirwaysPriceFrom £543Free CancellationRating
7.4
1,176 reviews
Search Etihad Airways flights
LOTPriceFrom £544Free CancellationRating
7.6
1,061 reviews
Search LOT flights
FinnairPriceFrom £556Free CancellationRating
7.6
1,266 reviews
Search Finnair flights
Air FrancePriceFrom £564Free CancellationRating
7.4
1,423 reviews
Search Air France flights
Turkish AirlinesPriceFrom £564Free CancellationRating
7.3
3,745 reviews
Search Turkish Airlines flights
  • Korean Air Flights From London to Seoul

    Korean Air flight deals from London to Seoul start from £973 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually £1,106 round-trip - but some users have found much cheaper deals with momondo.

  • Asiana Airlines Flights From London to Seoul

    The best Asiana Airlines deal for London to Seoul flight tickets found on momondo in the last 72 hours was £938, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at £1,071 round-trip. Asiana Airlines operates 5 flights out of London into Seoul in an average week, so prices vary by time and availability. 441 Asiana Airlines reviews by users on momondo have scored the airline at 8.2/10.


Why use momondo?

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

It is quick and easy to find London to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

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?

Once you have performed a search for London to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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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 30.3 mi from Seoul