How long is the flight from South Korea to London?

Departing from South Korea to London will take you 17h 10m. Airlines will cover a distance of 5487 mi. This flight may include one or multiple stops.

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 £625 for a flight from South Korea to London. The cheapest flight overall is £376 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £474.

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: China Airlines (100%), Korean Air (88%), Virgin Atlantic (87%).

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.

£174+ 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 30 October 2026.

Fri 20/1117:50 -

1 stop21h 40m

Fri 27/1110:30 -

1 stop16h 05m

Deal found 26/10£402

Thu 26/1117:50 -

1 stop29h 10m

Sun 29/1110:30 -

1 stop21h 20m

Deal found 26/10£423

Tue 24/1112:35 -

1 stop34h 25m

Sun 29/1117:00 -

1 stop33h 35m

Deal found 25/10£428

Tue 17/1112:35 -

1 stop34h 25m

Mon 23/1117:00 -

1 stop33h 35m

Deal found 25/10£429

Tue 17/1117:50 -

1 stop21h 40m

Sat 21/1117:00 -

1 stop33h 35m

Deal found 26/10£429

Tue 24/1118:55 -

1 stop20h 35m

Sun 29/1110:30 -

1 stop17h 20m

Deal found 29/10£429

Wed 11/1112:35 -

1 stop26h 55m

Sun 15/1110:30 -

1 stop21h 20m

Deal found 28/10£431

Fri 20/1117:50 -

1 stop29h 10m

Mon 23/1117:00 -

1 stop33h 35m

Deal found 28/10£433

Thu 19/1117:50 -

1 stop21h 40m

Tue 24/1110:30 -

1 stop16h 05m

Deal found 28/10£434

Thu 5/1118:55 -

1 stop28h 05m

Wed 11/1110:30 -

1 stop22h 25m

Deal found 27/10£435

Wed 18/1117:50 -

1 stop21h 40m

Wed 25/1117:00 -

1 stop14h 50m

Deal found 27/10£435

Thu 19/1117:50 -

1 stop29h 10m

Sun 22/1117:00 -

1 stop33h 35m

Deal found 27/10£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 30 October 2026.

Tue 24/1118:55 -

1 stop20h 35m

Sun 29/1110:30 -

1 stop17h 20m

Deal found 29/10£429

Thu 5/1115:40 -

2 stops23h 50m

Wed 11/1110:30 -

2 stops26h 40m

Deal found 29/10£507

Tue 24/1123:05 -

1 stop17h 10m

Tue 1/1217:50 -

1 stop14h 05m

Deal found 28/10£531

Sat 7/1114:55 -

1 stop37h 15m

Sat 14/1121:10 -

1 stop35h 05m

Deal found 29/10£547

Wed 25/1123:45 -

1 stop27h 45m

Wed 2/1218:05 -

2 stops39h 55m

Deal found 25/10£556

Fri 27/1114:25 -

2 stops25h 45m

Fri 15/111:35 -

1 stop16h 30m

Deal found 27/10£585

Sun 29/1118:00 -

1 stop29h 30m

Thu 14/120:55 -

1 stop16h 00m

Deal found 27/10£592

Mon 25/122:20 -

1 stop22h 45m

Tue 2/214:05 -

1 stop19h 05m

Deal found 26/10£647

Thu 19/1113:25 -

Nonstop14h 30m

Sun 22/1114:30 -

Nonstop12h 10m

Deal found 29/10£672

Fri 27/1110:40 -

1 stop38h 40m

Tue 1/1217:20 -

1 stop16h 00m

Deal found 27/10£699

Tue 1/1200:20 -

1 stop38h 35m

Mon 11/108:35 -

1 stop23h 40m

Deal found 27/10£713

Thu 3/1213:55 -

1 stop39h 15m

Sun 6/1216:50 -

1 stop35h 20m

Deal found 28/10£789

Thu 19/1117:50 -

1 stop21h 40m

Tue 24/1110:30 -

1 stop16h 05m

Deal found 28/10£434

Wed 11/1113:50 -

1 stop25h 40m

Wed 25/1110:30 -

1 stop17h 20m

Deal found 25/10£445

Thu 7/107:45 -

1 stop34h 20m

Wed 13/113:05 -

1 stop32h 40m

Deal found 25/10£988

Sat 28/1113:50 -

1 stop33h 10m

Tue 1/1210:30 -

2 stops40h 40m

Deal found 25/10£523

Tue 24/1123:45 -

1 stop26h 55m

Tue 1/1215:35 -

2 stops18h 25m

Deal found 25/10£558

Fri 13/1113:50 -

1 stop25h 40m

Wed 18/1117:00 -

1 stop15h 55m

Deal found 25/10£466

Sat 5/1217:50 -

1 stop21h 40m

Tue 8/1206:15 -

2 stops20h 20m

Deal found 29/10£557

Mon 21/1201:15 -

1 stop38h 25m

Tue 29/1213:55 -

1 stop23h 00m

Deal found 25/10£619

Wed 23/1218:20 -

1 stop35h 10m

Sun 27/1221:10 -

1 stop31h 45m

Deal found 28/10£629

Mon 18/122:20 -

1 stop28h 55m

Thu 28/114:05 -

1 stop19h 05m

Deal found 25/10£647

Thu 14/123:05 -

1 stop17h 10m

Wed 20/110:00 -

1 stop21h 55m

Deal found 25/10£651

Sat 28/1113:50 -

1 stop33h 10m

Tue 1/1210:30 -

1 stop17h 20m

Deal found 25/10£491

Tue 19/114:25 -

1 stop24h 15m

Fri 22/111:35 -

1 stop16h 30m

Deal found 29/10£689

Thu 24/1223:45 -

2 stops30h 35m

Tue 29/1218:05 -

2 stops39h 55m

Deal found 28/10£636

Wed 2/1200:20 -

1 stop38h 35m

Mon 11/108:35 -

1 stop23h 40m

Deal found 27/10£713

Mon 25/122:20 -

1 stop22h 45m

Tue 29/614:55 -

1 stop19h 45m

Deal found 28/10£648

Thu 21/123:05 -

1 stop18h 05m

Mon 25/110:00 -

1 stop21h 55m

Deal found 27/10£670

Tue 17/1113:50 -

1 stop33h 10m

Fri 20/1110:40 -

1 stop25h 45m

Deal found 27/10£622

Find flight deals from South Korea to London

Round-trip from	£402
One-way from	£174
Popular in	October
Cheapest in	November
Average price	£804
Good round-trip deal	£765 or less
Good one-way deal	£392 or less

China Eastern
20/11-27/11
2 total stops
37h 45m total
South Korea to London

Search Deals

China Southern
9/11-31/12
1 total stop
18h 10m total
South Korea to London

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£37 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 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

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Wed 11/11

16:15-06:30

1 stop23h 15m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£182

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Thu 26/11

15:15-06:30

1 stop24h 15m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£183

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Mon 2/11

21:40-17:20

1 stop28h 40m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£187

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Thu 5/11

17:50-14:00

1 stop29h 10m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£189

Jeju CityLondon

CJU Jeju City - LGW London Gatwick

CJULGW

Jeju City

Thu 12/11

18:55-06:30

1 stop20h 35m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£190

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Fri 13/11

21:40-17:20

1 stop28h 40m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£190

Jeju CityLondon

CJU Jeju City - LGW London Gatwick

CJULGW

Jeju City

Mon 21/12

13:50-06:30

1 stop25h 40m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£191

BusanLondon

PUS Busan Gimhae - LHR London Heathrow

PUSLHR

Busan Gimhae

Mon 7/12

17:50-06:25

1 stop21h 35m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£193

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Tue 22/12

16:10-14:00

1 stop30h 50m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£212

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Tue 24/11

14:20-06:30

2 stops25h 10m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£218

Flights are sorted by cheapest return flights first.

Deals found on 29/10

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.

ICN-LHR

ICN-LGW

CJU-LGW

GMP-LGW

ICN-LCY

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

ICN-LHR

ICN-LGW

CJU-LGW

GMP-LGW

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 £774). 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 Wednesday (6 on average). You will have fewer flight options on Monday, 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 19 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

569 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

569 reviews

Asiana Airlines

8.1

Very Good

569 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

699 reviews

Asiana Airlines

8.1

Very Good

569 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

247 reviews

Asiana Airlines

8.1

Very Good

569 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

8,300 reviews

Asiana Airlines

8.1

Very Good

569 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 17h 10m. Airlines will cover a distance of 5487 mi. This flight may include one or multiple stops.
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: China Airlines (100%), Korean Air (88%), Virgin Atlantic (87%).
What are the cheapest flights from South Korea to London?
On average you can expect to pay £625 for a flight from South Korea to London. The cheapest flight overall is £376 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £474.
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 £774). 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 4 airlines flying from South Korea to London

Airline	Cheapest	Average	Flexibility	On-time
Air China	Cheapest£467	Average£577	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Asiana Airlines	Cheapest£483	Average£548	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
Virgin Atlantic	Cheapest£517	Average£700	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Korean Air	Cheapest£621	Average£858	FlexibilityNo cancel fee	On-time81%	Search Korean Air 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 £174

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. 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 30 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 30 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 30 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 30 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 30 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 30 October 2026.

Last-minute flights from South Korea to LondonDiscover last-minute flight deals from South Korea to London. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from South Korea to London. Data last updated 30 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 30 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 30 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 30 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 30 October 2026.

The most flights from KR0 to LON are scheduled on a Wednesday (6 on average). You will have fewer flight options on Monday, 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 19 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 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

Complete your trip to London by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from South Korea to London by cabin class

Find flights from South Korea to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

South Korea and London flights

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South Korea to London flights

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Top 4 airlines flying from South Korea to London

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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 30 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 30 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 30 October 2026.

Last-minute flights from South Korea to London
Discover last-minute flight deals from South Korea to London. Data last updated 30 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 30 October 2026.