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Cheap flights from South Korea to London from £171

ICN — LON
3 Nov — 10 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from South Korea to London

Enter your travel dates to find the best prices.

Cheapest flights from South Korea to London

Fri 13/1112:35 -
1 stop26h 55m
Fri 20/1110:30 -
1 stop16h 05m
Deal found 4/10£408
Thu 19/1112:35 -
1 stop26h 55m
Mon 23/1110:30 -
1 stop16h 05m
Deal found 29/9£411
Sun 15/1115:40 -
1 stop23h 50m
Sun 22/1110:30 -
1 stop17h 20m
Deal found 1/10£414
Fri 23/1012:35 -
1 stop26h 05m
Mon 26/1010:30 -
1 stop16h 05m
Deal found 2/10£424
Sat 14/1112:35 -
1 stop26h 55m
Sat 21/1110:30 -
1 stop16h 05m
Deal found 3/10£426
Sat 14/1117:50 -
1 stop21h 40m
Mon 16/1110:30 -
1 stop16h 05m
Deal found 2/10£427
Sun 29/1112:35 -
1 stop34h 25m
Wed 2/1210:30 -
1 stop16h 05m
Deal found 2/10£427
Tue 27/1017:50 -
1 stop21h 40m
Fri 13/1110:30 -
1 stop16h 05m
Deal found 29/9£428
Mon 16/1117:50 -
1 stop21h 40m
Sat 21/1117:00 -
1 stop14h 50m
Deal found 3/10£430
Thu 12/1117:50 -
1 stop21h 40m
Fri 13/1117:00 -
1 stop33h 35m
Deal found 1/10£432
Wed 18/1112:35 -
1 stop26h 55m
Sat 21/1110:30 -
1 stop16h 05m
Deal found 1/10£433
Mon 26/1012:35 -
1 stop26h 55m
Thu 29/1010:30 -
1 stop21h 20m
Deal found 2/10£443

Find flight deals from South Korea to London

Round-trip from

£408

One-way from

£171

Popular in

October

Cheapest in

January

Average price

£852

Good round-trip deal

£718 or less

Good one-way deal

£405 or less
China Eastern
  • China Eastern
  • 13/11-20/11
  • 2 total stops
  • 43h 00m total
  • South Korea to London
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China Southern
  • China Southern
  • 13/10-31/12
  • 1 total stop
  • 17h 40m total
  • South Korea to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from South Korea to London (LON).
Search Deals
Price to beat on a one-way flight from South Korea to London (LON).
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from South Korea to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonLondon

ICN Incheon Intl - LHR London Heathrow

ICNLHR

Incheon Intl

Thu 15/10

16:20-18:40

1 stop34h 20m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£178

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Sat 19/12

16:20-06:30

1 stop23h 10m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£179

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Wed 25/11

14:30-06:30

1 stop25h 00m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£180

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Sun 6/12

17:50-14:00

1 stop29h 10m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£183

BusanLondon

PUS Busan Gimhae - LHR London Heathrow

PUSLHR

Busan Gimhae

Sun 6/12

17:50-17:30

1 stop32h 40m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£185

BusanLondon

PUS Busan Gimhae - LHR London Heathrow

PUSLHR

Busan Gimhae

Mon 21/12

17:50-17:30

1 stop32h 40m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£186

BusanLondon

PUS Busan Gimhae - LHR London Heathrow

PUSLHR

Busan Gimhae

Thu 22/10

12:35-18:40

1 stop38h 05m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£186

BusanLondon

PUS Busan Gimhae - LHR London Heathrow

PUSLHR

Busan Gimhae

Wed 14/10

12:35-18:40

1 stop38h 05m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£186

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Tue 22/12

17:50-14:00

1 stop29h 10m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£187

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Wed 14/10

15:00-06:40

2 stops23h 40m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£224

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from South Korea to London

Have a flexible travel schedule? Discover the best time to fly to London from South Korea with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from South Korea to London

What is the cheapest month to book a flight from South Korea to London?

Currently, March is the cheapest month in which you can book a flight from South Korea to London (average of £521). Flying from South Korea to London in October is currently the most expensive (average of £777). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KR to LON?

When flying from South Korea to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from South Korea to London

The most flights from KR0 to LON are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from South Korea to London delayed?

About 24% of weekly flights between South Korea and London have experienced delays in the past year, with the average delay time being 124 minutes.

What is the most punctual flight time for South Korea to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on South Korea to London flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 12% of flights being delayed.

How far ahead should I book a flight from South Korea to London?

The price you pay for your flight from South Korea to London may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing London

Read reviews from past customers who have flown with Asiana Airlines,Virgin Atlantic, andChina Eastern from South Korea to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.1
Very Good
563 reviews
Check prices

Comfort

8.0

Food

8.0

Entertainment

7.6

Crew

8.5

Boarding

8.3

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

HKG - ICN

The services was excellent. The seating wasn’t as comfortable as others. The food was good.
Asiana Airlines
8.1
Very Good
563 reviews
Asiana Airlines
8.1
Very Good
563 reviews
Check prices

Comfort

8.0

Food

8.0

Entertainment

7.6

Crew

8.5

Boarding

8.3

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

HKG - ICN

The services was excellent. The seating wasn’t as comfortable as others. The food was good.
Virgin Atlantic
7.4
Good
693 reviews
Asiana Airlines
8.1
Very Good
563 reviews
Check prices

Comfort

8.0

Food

8.0

Entertainment

7.6

Crew

8.5

Boarding

8.3

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

HKG - ICN

The services was excellent. The seating wasn’t as comfortable as others. The food was good.
China Eastern
7.3
Good
244 reviews
Asiana Airlines
8.1
Very Good
563 reviews
Check prices

Comfort

8.0

Food

8.0

Entertainment

7.6

Crew

8.5

Boarding

8.3

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

HKG - ICN

The services was excellent. The seating wasn’t as comfortable as others. The food was good.
Lufthansa
6.8
Okay
8,256 reviews
Asiana Airlines
8.1
Very Good
563 reviews
Check prices

Comfort

8.0

Food

8.0

Entertainment

7.6

Crew

8.5

Boarding

8.3

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

HKG - ICN

The services was excellent. The seating wasn’t as comfortable as others. The food was good.

Related info for your journey

  • How long is the flight from South Korea to London?

    Departing from South Korea to London will take you 18h 25m. Airlines will cover a distance of 5503 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from South Korea to London one-way?

    The cheapet airlines for a one-way flight from South Korea to London are China Eastern (£121), China Southern (£122), and Air China (£133).

  • What are the most popular routes from South Korea to London?

    The most popular route from South Korea to London is Incheon Intl - London Heathrow. You may also consider Incheon Intl - London Gatwick or Incheon Intl - London Stansted.

  • What are the most reliable airlines from South Korea to London?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from South Korea to London on time: Korean Air (90%), Virgin Atlantic (88%), Asiana Airlines (58%).

  • What are the cheapest flights from South Korea to London?

    On average you can expect to pay £973 for a flight from South Korea to London. The cheapest flight overall is £442 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £387.

  • Can I find deals for flights from South Korea to London that include hotel bookings?

    Yes. In addition to deals on South Korea to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from South Korea to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to London.

  • Can I find deals for business class flights from South Korea to London?

    Yes. Cheapflights offers flight deals from South Korea to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from South Korea to London?

    Currently, March is the cheapest month in which you can book a flight from South Korea to London (average of £521). Flying from South Korea to London in October is currently the most expensive (average of £777). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Watford
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Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from South Korea to London

AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£471Average£581FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£487Average£549FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Virgin AtlanticCheapest£521Average£704FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

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Why should you use Cheapflights to find cheap flight tickets from South Korea to London?

Cheapflights helps you find that perfect flight to London from South Korea by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from South Korea to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from South Korea to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from South Korea to London become cheaper?

Yes! Start tracking prices for South Korea to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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