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Cheap flights from Seoul to London from $202

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to London departing on 5/18. 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 Seoul to London

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seoul to London.
China Eastern Logo
12:55 pm - 6:40 amICN-LGW
25h 45m1 stop
China Eastern Logo
11:35 am - 8:45 pmLGW-ICN
25h 10m1 stop
$486China Eastern
Find Deal
lun., may. 19 - lun., may. 26
China Eastern Logo
4:35 pm - 6:40 amICN-LGW
22h 05m1 stop
China Eastern Logo
11:35 am - 3:20 pmLGW-ICN
19h 45m1 stop
$519China Eastern
Find Deal
jue., may. 15 - jue., may. 22
China Southern Logo
4:45 pm - 7:00 pmICN-LHR
34h 15m1 stop
China Southern Logo
10:10 pm - 3:25 pmLHR-ICN
33h 15m1 stop
$524China Southern
Find Deal
lun., may. 19 - lun., may. 26
China Southern Logo
1:30 pm - 6:05 pmGMP-LHR
36h 35m1 stop
China Southern Logo
9:00 pm - 12:25 pmLHR-GMP
31h 25m1 stop
$525China Southern
Find Deal
dom., jun. 1 - dom., jun. 8
SWISS Logo
10:05 am - 9:45 pmICN-LHR
19h 40m1 stop
SWISS Logo
5:15 pm - 8:25 amLHR-ICN
55h 10m2 stops
$531SWISS
Find Deal
mié., may. 14 - dom., may. 18
Air China Logo
2:55 pm - 8:15 pmICN-LHR
37h 20m1 stop
Air China Logo
10:00 pm - 12:55 pmLHR-ICN
30h 55m1 stop
$541Air China
Find Deal
lun., jun. 16 - sáb., jun. 21
SWISS Logo
10:05 am - 6:30 pmICN-LHR
40h 25m2 stops
SWISS Logo
8:40 am - 8:25 amLHR-ICN
15h 45m1 stop
$603SWISS
Find Deal
mié., jun. 18 - vie., jun. 20
 Logo
4:35 pm - 6:40 amICN-LGW
22h 05m1 stop
 Logo
5:20 pm - 10:10 pmLGW-ICN
20h 50m2 stops
jue., may. 15 - jue., may. 22
 Logo
9:25 am - 6:05 pmICN-LHR
16h 40m1 stop
 Logo
10:00 pm - 9:30 pmLHR-ICN
39h 30m2 stops
vie., jun. 20 - lun., jun. 30
Air China Logo
1:05 pm - 8:30 pmICN-LHR
15h 25m1 stop
Air China Logo
10:40 pm - 9:45 pmLHR-ICN
15h 05m1 stop
$842Air China
Find Deal
vie., ago. 29 - sáb., sep. 6

Air China flights from Seoul to London

Our best Air China deals on Seoul to London flight tickets
Air China
Jun 16
ICN2:55 pmIncheon Intl
37h 20m
1 stop
LHR8:15 pmLondon Heathrow
Jun 21
LHR10:00 pmLondon Heathrow
30h 55m
1 stop
ICN12:55 pmIncheon Intl
Air China
Aug 29
ICN1:05 pmIncheon Intl
15h 25m
1 stop
LHR8:30 pmLondon Heathrow
Sep 6
LHR10:40 pmLondon Heathrow
15h 05m
1 stop
ICN9:45 pmIncheon Intl
Air China
Apr 21
ICN1:05 pmIncheon Intl
36h 40m
1 stop
LHR5:45 pmLondon Heathrow
Apr 23
LHR8:25 pmLondon Heathrow
17h 20m
1 stop
ICN9:45 pmIncheon Intl

Shenzhen Airlines flights from Seoul to London

Our best Shenzhen Airlines deals on Seoul to London flight tickets
Shenzhen Airlines
Jun 20
ICN4:40 pmIncheon Intl
35h 10m
1 stop
LHR7:50 pmLondon Heathrow
Jun 30
LHR10:05 pmLondon Heathrow
33h 35m
1 stop
ICN3:40 pmIncheon Intl
Shenzhen Airlines
Jun 6
ICN2:40 pmIncheon Intl
37h 10m
1 stop
LHR7:50 pmLondon Heathrow
Jun 8
LHR10:05 pmLondon Heathrow
31h 35m
1 stop
ICN1:40 pmIncheon Intl
Shenzhen Airlines
Jun 5
ICN2:40 pmIncheon Intl
37h 20m
1 stop
LHR8:00 pmLondon Heathrow
Jun 16
LHR10:05 pmLondon Heathrow
31h 35m
1 stop
ICN1:40 pmIncheon Intl

See travel insights to London from

How to get the cheapest flight ticket from Seoul to London

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 Seoul and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Seoul is in November. Flight prices, which tend to average around $582, are often lower during this time because this is during the off-season. The month of December is another great option to travel to London, with average flight prices from Seoul averaging around $583.

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

The cheapest day to depart from Seoul to London is on a Saturday. Travelers who choose to depart for London on a Saturday will often find tickets for as low as $1,075. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,349. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Seoul in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $541 when looking at flights departing in the afternoon. Flights to London are more costly in the morning, with an average ticket price of $1,104. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Seoul to London flight route?

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

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Seoul when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to London for around $839 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Seoul for as low as $784 on momondo.

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

There are 3 cabin classes available to choose from on Seoul to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seoul to London flight prices changed over time?

As of April 2025, prices for Seoul to London flights are approximately 33% cheaper when compared to flights at the same time last year.

When to book flights from Seoul to London

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

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

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

Best Price Found

$202

Fastest flight time

14h 30m

Direct flights

Every day

Airports in London

3 airports
The best one-way flight to London from Seoul in the past 72 hours is $202. The best round-trip flight deal from Seoul to London found on momondo in the last 72 hours is $486.
The fastest flight from Seoul to London takes 14h 30m
Direct flights go from Seoul to London every day.
There are 3 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW)

  • How far is Seoul to London by plane?

    Seoul and London are 5501.4 mi apart from one another. 15h 25m is a normal flight duration for this route.

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

    Prices for flights from Seoul to London were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to London.

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

    The required travel and health documents for your London 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 license and a passport valid for six months after your intended arrival at London. 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 Seoul to London?

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


Best airlines flying from Seoul to London

Compare and see reviews for airlines that fly from Seoul to London with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $550Free CancellationRating
7.2
86 reviews
Search Air China flights
FinnairPriceFrom $624Free CancellationRating
7.6
1,269 reviews
Search Finnair flights
Etihad AirwaysPriceFrom $672Free CancellationRating
7.4
1,194 reviews
Search Etihad Airways flights
LufthansaPriceFrom $682Free CancellationRating
6.7
7,011 reviews
Search Lufthansa flights
Asiana AirlinesPriceFrom $825Free CancellationRating
8.2
438 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $882Free CancellationRating
8.4
1,064 reviews
Search Korean Air flights
  • Korean Air Flights From Seoul to London

    Korean Air flies from Seoul to London around 7 times per week, with 1,064 momondo users rating the airline 8.4/10. The cheapest Korean Air deal from Seoul to London in the last 72 hours was $882 (round-trip), much lower than the average airfare cost of $1,108 for Korean Air flights on this route.

  • Asiana Airlines Flights From Seoul to London

    Asiana Airlines (8.2/10 from 438 reviews) operates around 7 flights from Seoul to London in any given week. The average Asiana Airlines airfare for this route is around $989, with deals from around $825 rare but found on momondo. Referenced prices are for round-trip Seoul to London flight searches in the last 72 hours.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Croydon
Luton
Guildford
Hayes
Slough
Dartford
Stansted
Ilford
Dover
Milton Keynes
Canterbury
Colchester
Horley
Wembley
Chelmsford
Crawley
Hook
Richmond

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Seoul.

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

All flight searches from Seoul to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seoul to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to London.

I’m not ready to book a flight from Seoul to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Seoul are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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1 adult
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mar. 4/22
mar. 4/29

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London