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Cheap flights from Seoul to the United Kingdom from £155

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 the United Kingdom departing on 16/12. 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

Enter your travel dates to find the best prices.
China Eastern Logo
20:50 - 17:30GMP-LHR
29h 40m1 stop
China Eastern Logo
21:00 - 11:00LHR-GMP
29h 00m1 stop
£407China Eastern
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Mon, 17 Nov - Thu, 20 Nov
Air China Logo
14:25 - 15:55GMP-LHR
34h 30m1 stop
Air China Logo
20:25 - 13:05LHR-GMP
31h 40m1 stop
£410Air China
Find Deal
Tue, 11 Nov - Tue, 18 Nov
China Eastern Logo
20:50 - 17:30GMP-LHR
29h 40m1 stop
China Eastern Logo
21:00 - 11:00LHR-GMP
29h 00m1 stop
£411China Eastern
Find Deal
Tue, 11 Nov - Tue, 18 Nov
China Southern Logo
13:30 - 17:55GMP-LHR
37h 25m1 stop
China Southern Logo
21:30 - 12:25LHR-GMP
29h 55m1 stop
£414China Southern
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Thu, 25 Dec - Sun, 4 Jan
China Southern Logo
13:30 - 17:55GMP-LHR
37h 25m1 stop
China Southern Logo
21:30 - 12:25LHR-GMP
29h 55m1 stop
£414China Southern
Find Deal
Wed, 10 Dec - Sun, 4 Jan
Air China Logo
14:25 - 15:55GMP-LHR
34h 30m1 stop
Air China Logo
20:25 - 13:05LHR-GMP
31h 40m1 stop
£417Air China
Find Deal
Mon, 19 Jan - Mon, 26 Jan
Shenzhen Airlines Logo
16:45 - 19:10ICN-LHR
35h 25m1 stop
Shenzhen Airlines Logo
21:10 - 13:55LHR-ICN
31h 45m1 stop
£451Shenzhen Airlines
Find Deal
Sat, 20 Dec - Wed, 31 Dec
Shenzhen Airlines Logo
14:55 - 19:10ICN-LHR
37h 15m1 stop
Shenzhen Airlines Logo
21:10 - 13:55LHR-ICN
31h 45m1 stop
£453Shenzhen Airlines
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Sat, 20 Dec - Fri, 9 Jan
Lufthansa Logo
13:30 - 23:20ICN-MAN
18h 50m1 stop
Lufthansa Logo
11:15 - 11:15MAN-ICN
15h 00m1 stop
£502Lufthansa
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Fri, 26 Dec - Thu, 1 Jan
Lufthansa Logo
13:05 - 22:30ICN-MAN
18h 25m1 stop
Lufthansa Logo
06:25 - 11:15MAN-ICN
19h 50m1 stop
£504Lufthansa
Find Deal
Sun, 1 Feb - Sun, 8 Feb

China Southern flights from Seoul to United Kingdom

Our best China Southern deals on Seoul to United Kingdom flight tickets
China Southern
25 Dec
GMP13:30Seoul Gimpo Intl
37h 25m
1 stop
LHR17:55London Heathrow
4 Jan
LHR21:30London Heathrow
29h 55m
1 stop
GMP12:25Seoul Gimpo Intl
£414
Find similar
China Southern
10 Dec
GMP13:30Seoul Gimpo Intl
37h 25m
1 stop
LHR17:55London Heathrow
4 Jan
LHR21:30London Heathrow
29h 55m
1 stop
GMP12:25Seoul Gimpo Intl
£414
Find similar
China Southern
25 Dec
GMP13:30Seoul Gimpo Intl
37h 25m
1 stop
LHR17:55London Heathrow
4 Jan
LHR21:30London Heathrow
29h 55m
1 stop
GMP12:25Seoul Gimpo Intl
£416
Find similar

Air China flights from Seoul to United Kingdom

Our best Air China deals on Seoul to United Kingdom flight tickets
Air China
11 Nov
GMP14:25Seoul Gimpo Intl
34h 30m
1 stop
LHR15:55London Heathrow
18 Nov
LHR20:25London Heathrow
31h 40m
1 stop
GMP13:05Seoul Gimpo Intl
£410
Find similar
Air China
19 Jan
GMP14:25Seoul Gimpo Intl
34h 30m
1 stop
LHR15:55London Heathrow
26 Jan
LHR20:25London Heathrow
31h 40m
1 stop
GMP13:05Seoul Gimpo Intl
£417
Find similar
Air China
14 Dec
GMP14:25Seoul Gimpo Intl
34h 30m
1 stop
LHR15:55London Heathrow
12 Jan
LHR20:25London Heathrow
31h 40m
1 stop
GMP13:05Seoul Gimpo Intl
£418
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Seoul to United Kingdom 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 279,928 searches. Data last updated 30 October 2025.
Use the filters below to find and compare flights from Seoul to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 17/11

20:50-17:30

1 stop29h 40m

London Heathrow

Thu 20/11

21:00-11:00

1 stop29h 00m

£407

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 11/11

14:25-15:55

1 stop34h 30m

London Heathrow

Tue 18/11

20:25-13:05

1 stop31h 40m

£410

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Tue 11/11

20:50-17:30

1 stop29h 40m

London Heathrow

Tue 18/11

21:00-11:00

1 stop29h 00m

£411

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 25/12

13:30-17:55

1 stop37h 25m

London Heathrow

Sun 4/1

21:30-12:25

1 stop29h 55m

£414

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 10/12

13:30-17:55

1 stop37h 25m

London Heathrow

Sun 4/1

21:30-12:25

1 stop29h 55m

£414

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 19/1

14:25-15:55

1 stop34h 30m

London Heathrow

Mon 26/1

20:25-13:05

1 stop31h 40m

£417

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 20/12

16:45-19:10

1 stop35h 25m

London Heathrow

Wed 31/12

21:10-13:55

1 stop31h 45m

£451

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 20/12

14:55-19:10

1 stop37h 15m

London Heathrow

Fri 9/1

21:10-13:55

1 stop31h 45m

£453

IncheonManchester

ICN - MAN

ICNMAN

Incheon Intl

Fri 26/12

13:30-23:20

1 stop18h 50m

Manchester

Thu 1/1

11:15-11:15

1 stop15h 00m

£502

IncheonManchester

ICN - MAN

ICNMAN

Incheon Intl

Sun 1/2

13:05-22:30

1 stop18h 25m

Manchester

Sun 8/2

06:25-11:15

1 stop19h 50m

£504

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 the United Kingdom from

How to get the cheapest flight ticket from Seoul to United Kingdom

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 cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Seoul is in February. Flight prices, which tend to average around £485, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Seoul during the month June is also very affordable. Most momondo users find prices during this month for around £488.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Seoul to United Kingdom is on a Thursday. Travellers who choose to depart for United Kingdom on a Thursday will often find tickets for as low as £573. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to United Kingdom for around £831.

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

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £569. Try not to purchase tickets at midday because they tend to be around £865. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seoul to United Kingdom flight route?

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £649 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Seoul for as low as £586 on momondo.

What cabin class options are available on Seoul to United Kingdom flights?

There are 4 cabin classes available to choose from on Seoul to United Kingdom 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 Seoul to United Kingdom flights?

You could potentially save up to 15% on your flight if you consider stops on a Seoul to United Kingdom flight.

Cheap Seoul to United Kingdom flight deals and tips

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

Best price found

£287

Fastest flight time

11h 30m

Direct flights

Every day

Airports in United Kingdom

1 airport
The best one-way flight to United Kingdom from Seoul in the past 72 hours is £287. The best return flight deal from Seoul to United Kingdom found on momondo in the last 72 hours is £510.
The fastest flight from Seoul to United Kingdom takes 11h 30m
Direct flights go from Seoul to United Kingdom every day.
There is 1 airport near United Kingdom: London Heathrow (LHR)
Search flight deals

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

    Prices for flights from Seoul to United Kingdom are updated daily.

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

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

    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 United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seoul to United Kingdom?

Best airlines flying from Seoul to United Kingdom

Compare and see reviews for airlines that fly from Seoul to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
China EasternPriceFrom £359Free CancellationRating
7.2
174 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom £510Free CancellationRating
8.2
483 reviews
Search Asiana Airlines flights
LufthansaPriceFrom £545Free CancellationRating
6.8
7,541 reviews
Search Lufthansa flights
Korean AirPriceFrom £733Free CancellationRating
8.4
1,155 reviews
Search Korean Air flights

Why use momondo?

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

It is quick and easy to find Seoul to United Kingdom 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 United Kingdom that suits you.

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

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

How can momondo help me find flights from Seoul to United Kingdom?

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 United Kingdom.

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

Yes. momondo can track prices for Seoul to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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