How long is the flight from South Korea to London?

Departing from South Korea to London will take you 25h 15m. 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).

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 cheapest flights from South Korea to London?

On average you can expect to pay £632 for a flight from South Korea to London. The cheapest flight overall is £379 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £446.

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 most popular airlines that fly from South Korea to London?

The most popular airlines flying from South Korea to London are Virgin Atlantic, Asiana Airlines and Air China. Something to consider prior to booking your flight.

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.

£171+ Cheap Flights from South Korea to London

Cheap flight deals from South Korea to London

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from South Korea to London
Explore the most affordable flight options available from South Korea to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Wed 25/1117:50 -

1 stop21h 40m

Wed 2/1210:30 -

1 stop16h 05m

Deal found 11/10£408

Mon 30/1112:35 -

1 stop26h 55m

Sun 6/1210:30 -

1 stop16h 05m

Deal found 6/10£415

Wed 23/1212:35 -

1 stop26h 55m

Tue 12/110:30 -

1 stop16h 05m

Deal found 11/10£420

Tue 24/1117:50 -

1 stop29h 10m

Tue 1/1210:30 -

1 stop21h 20m

Deal found 10/10£428

Sun 22/1117:50 -

1 stop29h 10m

Wed 2/1210:30 -

1 stop21h 20m

Deal found 11/10£428

Tue 10/1112:35 -

1 stop34h 25m

Wed 25/1117:00 -

1 stop33h 35m

Deal found 10/10£429

Thu 19/1117:50 -

1 stop29h 10m

Mon 23/1110:30 -

1 stop16h 05m

Deal found 8/10£430

Sun 22/1117:50 -

1 stop29h 10m

Sun 29/1117:00 -

1 stop14h 50m

Deal found 8/10£431

Tue 3/1112:35 -

1 stop34h 25m

Mon 30/1110:30 -

1 stop16h 05m

Deal found 9/10£432

Tue 10/1117:50 -

1 stop29h 10m

Tue 17/1110:30 -

1 stop16h 05m

Deal found 9/10£434

Tue 17/1112:35 -

1 stop26h 55m

Tue 24/1110:30 -

1 stop16h 05m

Deal found 11/10£435

Mon 23/1117:50 -

1 stop21h 40m

Tue 1/1210:30 -

1 stop21h 20m

Deal found 10/10£436

Best flights from South Korea to London
Discover carefully curated flight deals from South Korea to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Sat 14/1112:35 -

1 stop26h 55m

Sun 15/1110:30 -

1 stop16h 05m

Deal found 6/10£440

Sat 13/323:45 -

1 stop25h 15m

Mon 15/309:55 -

2 stops24h 05m

Deal found 8/10£498

Fri 27/1114:25 -

2 stops25h 45m

Mon 7/1211:35 -

1 stop16h 30m

Deal found 10/10£539

Sun 22/1112:40 -

2 stops26h 50m

Sun 29/1117:00 -

2 stops19h 00m

Deal found 8/10£566

Fri 27/1113:30 -

1 stop16h 30m

Mon 7/1207:40 -

2 stops18h 20m

Deal found 10/10£627

Wed 18/1123:05 -

1 stop18h 05m

Tue 24/1117:05 -

1 stop14h 50m

Deal found 8/10£627

Wed 21/1022:45 -

1 stop28h 00m

Tue 3/1114:05 -

1 stop19h 05m

Deal found 7/10£650

Fri 27/1113:30 -

Nonstop14h 10m

Mon 30/1114:30 -

Nonstop12h 10m

Deal found 11/10£675

Fri 27/1110:40 -

1 stop38h 40m

Thu 3/1217:20 -

1 stop30h 35m

Deal found 9/10£699

Wed 11/1100:20 -

1 stop38h 35m

Wed 18/1108:40 -

1 stop23h 35m

Deal found 11/10£778

Thu 3/1213:55 -

1 stop34h 05m

Sun 6/1222:05 -

1 stop24h 05m

Deal found 8/10£798

Sat 28/1112:35 -

1 stop34h 25m

Thu 3/1210:30 -

1 stop21h 20m

Deal found 8/10£456

Fri 8/107:45 -

1 stop31h 10m

Wed 13/110:40 -

1 stop35h 05m

Deal found 6/10£922

Thu 5/1123:45 -

2 stops25h 40m

Tue 10/1110:35 -

2 stops23h 25m

Deal found 6/10£561

Fri 27/1108:20 -

2 stops21h 40m

Thu 3/1208:45 -

1 stop17h 30m

Deal found 9/10£585

Thu 12/1112:00 -

1 stop27h 30m

Wed 18/1117:00 -

1 stop17h 50m

Deal found 8/10£538

Sat 21/1114:25 -

2 stops25h 45m

Sat 28/1110:40 -

2 stops41h 25m

Deal found 7/10£645

Mon 18/112:55 -

1 stop16h 55m

Sat 30/107:40 -

2 stops18h 20m

Deal found 10/10£653

Fri 4/1214:25 -

2 stops29h 25m

Sun 13/1208:25 -

2 stops19h 40m

Deal found 9/10£595

Fri 13/1122:20 -

1 stop22h 45m

Wed 18/1120:15 -

1 stop36h 55m

Deal found 9/10£677

Sat 24/1020:50 -

1 stop18h 40m

Wed 28/1010:30 -

1 stop24h 20m

Deal found 10/10£563

Sat 13/216:10 -

2 stops27h 35m

Sat 20/216:25 -

2 stops19h 20m

Deal found 9/10£695

Tue 22/1213:25 -

Nonstop14h 30m

Fri 25/1214:15 -

Nonstop12h 20m

Deal found 7/10£704

Mon 9/1123:45 -

1 stop25h 15m

Sat 14/1117:30 -

2 stops40h 30m

Deal found 6/10£641

Sat 7/1114:25 -

1 stop24h 55m

Wed 11/1111:35 -

1 stop16h 30m

Deal found 8/10£660

Mon 18/122:20 -

1 stop28h 55m

Sat 30/120:15 -

1 stop36h 55m

Deal found 10/10£678

Mon 18/112:55 -

2 stops28h 10m

Fri 29/106:35 -

2 stops19h 25m

Deal found 10/10£681

Wed 18/1121:00 -

2 stops50h 00m

Wed 25/1110:30 -

2 stops20h 15m

Deal found 9/10£629

Mon 8/312:45 -

2 stops27h 25m

Fri 12/310:40 -

2 stops40h 05m

Deal found 6/10£684

Mon 9/1122:20 -

1 stop41h 20m

Sat 14/1120:25 -

1 stop36h 45m

Deal found 6/10£684

Find flight deals from South Korea to London

Round-trip from	£408
One-way from	£171
Popular in	October
Cheapest in	November
Average price	£784
Good round-trip deal	£810 or less
Good one-way deal	£395 or less

China Eastern
25/11-2/12
2 total stops
37h 45m total
South Korea to London

Search Deals

China Eastern
19/11-31/12
1 total stop
26h 55m total
South Korea to London

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£33 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

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).

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

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

£171

BusanLondon

PUS Busan Gimhae - LHR London Heathrow

PUSLHR

Busan Gimhae

Thu 19/11

17:50-17:30

1 stop32h 40m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£172

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Sun 6/12

17:50-06:30

1 stop21h 40m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£178

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Fri 4/12

14:30-06:30

1 stop25h 00m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£179

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Sat 28/11

16:20-14:00

1 stop30h 40m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£180

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Fri 16/10

21:15-18:30

1 stop29h 15m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£183

BusanLondon

PUS Busan Gimhae - LHR London Heathrow

PUSLHR

Busan Gimhae

Wed 2/12

17:50-17:30

1 stop32h 40m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£184

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Wed 2/12

17:50-06:30

1 stop21h 40m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£185

BusanLondon

PUS Busan Gimhae - LHR London Heathrow

PUSLHR

Busan Gimhae

Fri 20/11

17:50-17:30

1 stop32h 40m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£185

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Mon 9/11

12:35-06:30

1 stop26h 55m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£186

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

PUS-LGW

ICN-LGW

ICN-LHR

PUS-LHR

ICN-STN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

KR0-LON

PUS-LGW

ICN-LGW

ICN-LHR

PUS-LHR

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 September is currently the most expensive (average of £767). 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 Saturday (6 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

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

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

7.5

Good

694 reviews

Asiana Airlines

8.1

Very Good

563 reviews

Check prices

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

245 reviews

Asiana Airlines

8.1

Very Good

563 reviews

Check prices

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

8,273 reviews

Asiana Airlines

8.1

Very Good

563 reviews

Check prices

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 25h 15m. 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 £632 for a flight from South Korea to London. The cheapest flight overall is £379 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £446.
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 September is currently the most expensive (average of £767). 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

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Top 3 airlines flying from South Korea to London

Airline	Cheapest	Average	Flexibility	On-time
Air China	Cheapest£471	Average£581	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Asiana Airlines	Cheapest£487	Average£549	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
Virgin Atlantic	Cheapest£522	Average£704	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

How does Cheapflights help users find flights from South Korea to London?

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?

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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Cheap flights from South Korea to London from £171

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from South Korea to London

Cheapest flights from South Korea to LondonExplore the most affordable flight options available from South Korea to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Explore the most affordable flight options available from South Korea to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Best flights from South Korea to LondonDiscover carefully curated flight deals from South Korea to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Discover carefully curated flight deals from South Korea to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Direct flights from South Korea to LondonExplore direct flight options from South Korea to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Explore direct flight options from South Korea to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Last-minute flights from South Korea to LondonDiscover last-minute flight deals from South Korea to London. Data last updated 11 October 2026 and is based on user searches.

Discover last-minute flight deals from South Korea to London. Data last updated 11 October 2026 and is based on user searches.

One-way flights from South Korea to LondonSearch for one-way flight options from South Korea to London. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.

Search for one-way flight options from South Korea to London. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.

Find flight deals from South Korea to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

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

Find hourly flight availability from South Korea to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 October 2026.

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

Explore weekly flight availability from South Korea to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 October 2026.

The most flights from KR0 to LON are scheduled on a Saturday (6 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.

Related info for your journey

How long is the flight from South Korea to London?

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

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

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

What are the cheapest flights from South Korea to London?

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

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

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

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

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Korea to London

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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Direct flights to England

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Cheapest flights from South Korea to London
Explore the most affordable flight options available from South Korea to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Best flights from South Korea to London
Discover carefully curated flight deals from South Korea to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Direct flights from South Korea to London
Explore direct flight options from South Korea to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Last-minute flights from South Korea to London
Discover last-minute flight deals from South Korea to London. Data last updated 11 October 2026 and is based on user searches.

One-way flights from South Korea to London
Search for one-way flight options from South Korea to London. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.