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Cheap flights from London to Seoul from £217

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 20/9. 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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Cheap return flights

These are some of the best return flight deals from London to Seoul that have been recently found on momondo from popular airlines, departing in the coming months.
China Eastern Logo
21:20 - 11:55LHR-ICN
30h 35m1 stop
China Eastern Logo
16:20 - 18:40ICN-LHR
34h 20m1 stop
£358China Eastern
Find Deal
Tue, 13 May - Tue, 20 May
China Eastern Logo
21:20 - 15:25LHR-ICN
34h 05m1 stop
China Eastern Logo
14:30 - 18:40ICN-LHR
36h 10m1 stop
£358China Eastern
Find Deal
Mon, 26 May - Sun, 8 Jun
Air China Logo
12:35 - 13:05LGW-GMP
16h 30m1 stop
Air China Logo
14:25 - 06:35GMP-LGW
24h 10m1 stop
£399Air China
Find Deal
Thu, 12 Jun - Wed, 18 Jun
Air China Logo
12:35 - 21:45LGW-ICN
25h 10m1 stop
Air China Logo
15:30 - 06:35ICN-LGW
23h 05m1 stop
£399Air China
Find Deal
Wed, 11 Jun - Thu, 19 Jun
China Southern Logo
21:00 - 12:25LHR-GMP
31h 25m1 stop
China Southern Logo
13:30 - 18:05GMP-LHR
36h 35m1 stop
£412China Southern
Find Deal
Tue, 13 May - Tue, 20 May
China Southern Logo
21:00 - 12:25LHR-GMP
31h 25m1 stop
China Southern Logo
13:30 - 18:05GMP-LHR
36h 35m1 stop
£414China Southern
Find Deal
Thu, 19 Jun - Tue, 24 Jun
Lufthansa Logo
10:30 - 09:55LHR-ICN
15h 25m1 stop
Lufthansa Logo
11:40 - 20:45ICN-LHR
17h 05m1 stop
£439Lufthansa
Find Deal
Wed, 18 Jun - Wed, 2 Jul
Lufthansa Logo
10:30 - 09:55LHR-ICN
15h 25m1 stop
Lufthansa Logo
11:40 - 20:45ICN-LHR
17h 05m1 stop
£485Lufthansa
Find Deal
Tue, 17 Jun - Thu, 3 Jul
KLM Logo
17:50 - 16:25LCY-ICN
14h 35m1 stop
KLM Logo
22:25 - 07:15ICN-LCY
16h 50m1 stop
£640KLM
Find Deal
Sun, 1 Jun - Thu, 12 Jun
KLM Logo
20:45 - 16:25LCY-ICN
35h 40m1 stop
KLM Logo
22:25 - 07:15ICN-LCY
16h 50m1 stop
£650KLM
Find Deal
Sun, 8 Jun - Wed, 25 Jun

China Eastern flights from London to Seoul

Our best China Eastern deals on London to Seoul flight tickets
China Eastern
13 May
LHR21:20London Heathrow
30h 35m
1 stop
ICN11:55Incheon Intl
20 May
ICN16:20Incheon Intl
34h 20m
1 stop
LHR18:40London Heathrow
China Eastern
26 May
LHR21:20London Heathrow
34h 05m
1 stop
ICN15:25Incheon Intl
8 Jun
ICN14:30Incheon Intl
36h 10m
1 stop
LHR18:40London Heathrow
China Eastern
19 May
LHR21:20London Heathrow
32h 10m
1 stop
ICN13:30Incheon Intl
9 Jun
ICN16:35Incheon Intl
34h 05m
1 stop
LHR18:40London Heathrow

Shenzhen Airlines flights from London to Seoul

Our best Shenzhen Airlines deals on London to Seoul flight tickets
Shenzhen Airlines
15 Jun
LHR22:05London Heathrow
31h 35m
1 stop
ICN13:40Incheon Intl
22 Jun
ICN14:40Incheon Intl
37h 10m
1 stop
LHR19:50London Heathrow
Shenzhen Airlines
4 Oct
LHR22:05London Heathrow
31h 35m
1 stop
ICN13:40Incheon Intl
17 Oct
ICN14:40Incheon Intl
37h 10m
1 stop
LHR19:50London Heathrow
Shenzhen Airlines
1 Jun
LHR22:05London Heathrow
31h 35m
1 stop
ICN13:40Incheon Intl
8 Jun
ICN14:40Incheon Intl
37h 10m
1 stop
LHR19:50London Heathrow

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 £424. 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 £437.

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 £843. Flights from London to Seoul on a Saturday will generally be more expensive and average around £880. 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 £566. Flights in the afternoon are often more expensive, with an average ticket price of £882.

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 £688 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 £635 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 May 2025, prices for London to Seoul flights are approximately 21% 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

£217

Fastest flight time

14h 10m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from London in the past 72 hours is £217. The best return flight deal from London to Seoul found on momondo in the last 72 hours is £358.
The fastest flight from London to Seoul takes 14h 10m
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 10m, 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 £339Free CancellationRating
7.5
96 reviews
Search China Southern flights
China EasternPriceFrom £345Free CancellationRating
7.1
148 reviews
Search China Eastern flights
Air ChinaPriceFrom £345Free CancellationRating
7.2
88 reviews
Search Air China flights
LufthansaPriceFrom £471Free CancellationRating
6.7
7,045 reviews
Search Lufthansa flights
Etihad AirwaysPriceFrom £526Free CancellationRating
7.4
1,203 reviews
Search Etihad Airways flights
LOTPriceFrom £543Free CancellationRating
7.6
1,069 reviews
Search LOT flights
FinnairPriceFrom £546Free CancellationRating
7.6
1,275 reviews
Search Finnair flights
Turkish AirlinesPriceFrom £546Free CancellationRating
7.3
3,791 reviews
Search Turkish Airlines flights
Air FrancePriceFrom £552Free CancellationRating
7.4
1,446 reviews
Search Air France flights
KLMPriceFrom £564Free CancellationRating
7.8
1,334 reviews
Search KLM flights
  • Korean Air Flights From London to Seoul

    Korean Air flight deals from London to Seoul start from £971 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually £1,103 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 £1,086 round-trip. Asiana Airlines operates 7 flights out of London into Seoul in an average week, so prices vary by time and availability. 442 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.


An easier way to manage your Seoul trip

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1 adult
Tue 6/5
Tue 13/5

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