Cheap flights from South Korea to London from £174

ICN — LON
4 Dec — 11 Dec1
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

Tue 24/1112:35 -
1 stop26h 55m
Sat 5/1210:30 -
1 stop21h 20m
Deal found 1/11£414
Tue 1/1218:55 -
1 stop28h 05m
Sat 5/1217:00 -
1 stop15h 55m
Deal found 3/11£429
Mon 23/1112:35 -
1 stop26h 55m
Sun 29/1117:00 -
1 stop33h 35m
Deal found 3/11£437
Tue 10/1117:50 -
1 stop29h 10m
Tue 17/1110:30 -
1 stop16h 05m
Deal found 30/10£438
Sat 21/1117:50 -
1 stop21h 40m
Wed 2/1210:30 -
1 stop21h 20m
Deal found 31/10£438
Tue 17/1117:50 -
1 stop29h 10m
Fri 27/1110:30 -
1 stop16h 05m
Deal found 4/11£440
Tue 24/1118:55 -
1 stop20h 35m
Sun 29/1110:30 -
1 stop17h 20m
Deal found 1/11£441
Wed 18/1117:50 -
1 stop21h 40m
Wed 2/1217:00 -
1 stop33h 35m
Deal found 1/11£441
Fri 27/1117:50 -
1 stop29h 10m
Mon 30/1110:30 -
1 stop16h 05m
Deal found 3/11£442
Tue 1/1212:35 -
1 stop26h 55m
Sat 5/1210:30 -
1 stop16h 05m
Deal found 2/11£443
Tue 1/1212:35 -
1 stop26h 55m
Sun 6/1217:00 -
1 stop33h 35m
Deal found 2/11£444
Sun 22/1112:35 -
1 stop34h 25m
Sun 29/1117:00 -
1 stop33h 35m
Deal found 2/11£444

Find flight deals from South Korea to London

Round-trip from

£414

One-way from

£174

Popular in

October

Cheapest in

November

Average price

£473

Good round-trip deal

£760 or less

Good one-way deal

£390 or less
China Eastern
  • China Eastern
  • 24/11-5/12
  • 2 total stops
  • 48h 15m total
  • South Korea to London
China Southern
  • China Southern
  • 13/11-31/12
  • 1 total stop
  • 28h 40m total
  • South Korea to London
Highest demand for flights based on searches. 5% potential increase in price (£28 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from South Korea to London (LON).
Price to beat on a one-way flight from South Korea to London (LON).

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 - LGW London Gatwick

ICNLGW

Incheon Intl

Fri 11/12

15:15-06:30

1 stop24h 15m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£177

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Fri 20/11

17:50-14:00

1 stop29h 10m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£180

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Wed 18/11

17:50-06:30

1 stop21h 40m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£186

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Mon 9/11

21:40-17:20

1 stop28h 40m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£188

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Mon 23/11

21:40-17:20

1 stop28h 40m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£189

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Thu 17/12

17:50-14:00

1 stop29h 10m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£213

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Thu 19/11

12:35-06:30

1 stop26h 55m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£216

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Sat 19/12

16:10-06:30

1 stop23h 20m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£217

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Mon 14/12

06:10-06:30

2 stops33h 20m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£221

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Wed 23/12

12:35-06:30

1 stop26h 55m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£227

Flights are sorted by cheapest return flights first.

Deals found on 3/11

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 £524). Flying from South Korea to London in October is currently the most expensive (average of £775). 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 Wednesday, which is when the least amount of flights are scheduled (3 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 33 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.

Food

8.0

Comfort

8.0

Crew

8.4

Entertainment

7.6

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.

Food

8.0

Comfort

8.0

Crew

8.4

Entertainment

7.6

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.

Food

8.0

Comfort

8.0

Crew

8.4

Entertainment

7.6

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.

Food

8.0

Comfort

8.0

Crew

8.4

Entertainment

7.6

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.

Food

8.0

Comfort

8.0

Crew

8.4

Entertainment

7.6

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 22h 45m. Airlines will cover a distance of 5462 mi. This flight may include one or multiple stops.

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

  • 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: Virgin Atlantic (87%), China Airlines (85%), Korean Air (84%).

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

    On average you can expect to pay £628 for a flight from South Korea to London. The cheapest flight overall is £374 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £379.

  • 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 £524). Flying from South Korea to London in October is currently the most expensive (average of £775). 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?

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Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from South Korea to London

AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£465Average£574FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£481Average£545FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Virgin AtlanticCheapest£515Average£696FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Korean AirCheapest£617Average£853FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from South Korea today with Cheapflights!

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

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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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