How long is the flight from South Korea to London?

Departing from South Korea to London will take you 24h 55m. Airlines will cover a distance of 5515 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 Stansted or Incheon Intl - London Gatwick.

What are the cheapest flights from South Korea to London?

On average you can expect to pay £1,061 for a flight from South Korea to London. The cheapest flight overall is £364 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £454.

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 (85%), Korean Air (74%), Asiana Airlines (71%).

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.

£172+ 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 12 September 2026.

Mon 12/1012:55 -

2 stops36h 00m

Fri 16/1007:15 -

2 stops28h 20m

Deal found 12/9£377

Thu 15/1019:40 -

2 stops32h 10m

Wed 21/1008:00 -

2 stops26h 40m

Deal found 9/9£402

Mon 12/1016:15 -

2 stops33h 50m

Mon 19/1005:40 -

2 stops31h 05m

Deal found 12/9£402

Thu 5/1116:20 -

1 stop23h 10m

Wed 18/1110:30 -

1 stop19h 35m

Deal found 12/9£405

Sat 10/1012:55 -

1 stop25h 45m

Tue 10/1110:30 -

1 stop18h 00m

Deal found 10/9£406

Tue 13/1019:40 -

2 stops32h 45m

Fri 16/1006:55 -

2 stops28h 40m

Deal found 10/9£407

Tue 13/1019:40 -

2 stops31h 55m

Wed 21/1008:00 -

2 stops26h 40m

Deal found 9/9£410

Thu 15/1016:15 -

1 stop22h 25m

Wed 21/1011:35 -

1 stop19h 35m

Deal found 9/9£412

Mon 12/1012:55 -

2 stops33h 05m

Fri 16/1006:55 -

2 stops28h 40m

Deal found 12/9£413

Thu 5/1116:10 -

1 stop23h 20m

Mon 9/1117:00 -

1 stop37h 05m

Deal found 10/9£414

Sun 13/1208:40 -

1 stop22h 20m

Thu 21/106:30 -

1 stop15h 30m

Deal found 8/9£415

Tue 27/1017:50 -

1 stop21h 40m

Tue 3/1110:30 -

1 stop16h 05m

Deal found 12/9£417

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 12 September 2026.

Mon 2/1121:55 -

2 stops32h 05m

Sun 15/1109:10 -

2 stops27h 45m

Deal found 8/9£492

Fri 27/1117:00 -

1 stop35h 10m

Tue 1/1222:30 -

1 stop30h 25m

Deal found 11/9£496

Thu 25/223:45 -

1 stop25h 15m

Tue 2/321:05 -

2 stops36h 55m

Deal found 11/9£499

Sun 25/1014:25 -

1 stop24h 55m

Sun 1/1111:35 -

1 stop16h 30m

Deal found 10/9£522

Mon 8/213:30 -

1 stop16h 30m

Mon 15/206:35 -

2 stops19h 25m

Deal found 10/9£581

Wed 18/1123:05 -

1 stop18h 05m

Mon 23/1117:50 -

1 stop14h 05m

Deal found 11/9£618

Mon 1/322:20 -

1 stop41h 20m

Tue 9/313:35 -

1 stop19h 35m

Deal found 12/9£644

Tue 17/1100:05 -

1 stop18h 50m

Mon 23/1110:55 -

1 stop37h 00m

Deal found 11/9£672

Mon 9/1112:00 -

1 stop27h 30m

Wed 11/1110:30 -

1 stop24h 20m

Deal found 9/9£680

Sat 6/300:20 -

1 stop38h 35m

Tue 9/308:40 -

1 stop23h 35m

Deal found 8/9£713

Thu 14/107:45 -

1 stop31h 40m

Tue 26/109:20 -

1 stop36h 25m

Deal found 10/9£875

Sun 4/1011:20 -

2 stops40h 00m

Sun 11/1021:35 -

2 stops36h 25m

Deal found 8/9£916

Sun 4/1020:00 -

1 stop28h 30m

Sat 10/1021:10 -

1 stop30h 05m

Deal found 12/9£962

Wed 18/1118:25 -

2 stops35h 25m

Mon 23/1121:30 -

2 stops32h 50m

Deal found 11/9£499

Sat 5/1219:40 -

1 stop19h 45m

Wed 16/1218:30 -

1 stop18h 35m

Deal found 7/9£1,006

Mon 26/1023:45 -

1 stop25h 15m

Wed 4/1110:35 -

2 stops23h 25m

Deal found 7/9£516

Thu 5/1114:25 -

2 stops25h 45m

Sun 15/1111:35 -

1 stop16h 30m

Deal found 10/9£558

Fri 13/1123:45 -

1 stop27h 45m

Sat 21/1117:30 -

2 stops40h 30m

Deal found 7/9£519

Wed 18/1108:35 -

2 stops21h 25m

Mon 23/1108:45 -

2 stops19h 20m

Deal found 11/9£549

Fri 22/112:55 -

2 stops28h 10m

Fri 29/106:35 -

2 stops19h 25m

Deal found 11/9£637

Sun 10/114:25 -

2 stops25h 45m

Sun 17/111:35 -

1 stop16h 30m

Deal found 11/9£588

Wed 23/1222:20 -

1 stop28h 35m

Wed 6/120:15 -

1 stop36h 55m

Deal found 7/9£650

Thu 21/123:05 -

1 stop17h 10m

Tue 26/117:05 -

1 stop14h 50m

Deal found 11/9£663

Mon 16/1123:45 -

2 stops25h 40m

Mon 23/1106:40 -

1 stop27h 20m

Deal found 9/9£550

Mon 16/1110:35 -

1 stop38h 45m

Mon 23/1110:55 -

1 stop37h 00m

Deal found 9/9£674

Thu 22/1015:30 -

2 stops27h 15m

Sun 25/1015:55 -

2 stops20h 00m

Deal found 8/9£563

Sat 16/100:20 -

1 stop38h 35m

Tue 26/108:40 -

1 stop23h 35m

Deal found 9/9£715

Thu 21/123:40 -

1 stop21h 00m

Tue 26/113:35 -

1 stop19h 35m

Deal found 11/9£655

Sun 10/114:25 -

2 stops25h 45m

Tue 12/110:40 -

2 stops41h 25m

Deal found 11/9£601

Mon 23/1113:20 -

2 stops29h 10m

Mon 30/1117:50 -

1 stop14h 05m

Deal found 7/9£670

Find flight deals from South Korea to London

Round-trip from	£377
One-way from	£172
Popular in	October
Cheapest in	January
Average price	£620
Good round-trip deal	£766 or less
Good one-way deal	£433 or less

12/10-16/10
4 total stops
64h 20m total
South Korea to London

Search Deals

China Eastern
9/10-31/12
1 total stop
34h 25m total
South Korea to London

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£32 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

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

BusanLondon

PUS Busan Gimhae - LHR London Heathrow

PUSLHR

Busan Gimhae

Tue 13/10

17:50-18:40

1 stop32h 50m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£185

BusanLondon

PUS Busan Gimhae - LHR London Heathrow

PUSLHR

Busan Gimhae

Mon 19/10

17:50-18:40

1 stop32h 50m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£186

BusanLondon

PUS Busan Gimhae - LHR London Heathrow

PUSLHR

Busan Gimhae

Mon 12/10

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

Mon 12/10

12:35-15:00

1 stop34h 25m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£188

IncheonLondon

ICN Incheon Intl - LTN London Luton

ICNLTN

Incheon Intl

Mon 12/10

16:15-11:00

2 stops26h 45m

London Luton

Wed 31/12

00:00-08:00

Nonstop0h 00m

£209

IncheonLondon

ICN Incheon Intl - LTN London Luton

ICNLTN

Incheon Intl

Wed 21/10

18:25-14:25

2 stops28h 00m

London Luton

Wed 31/12

00:00-08:00

Nonstop0h 00m

£215

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Wed 4/11

12:35-06:30

1 stop26h 55m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£223

BusanLondon

PUS Busan Gimhae - LGW London Gatwick

PUSLGW

Busan Gimhae

Tue 13/10

17:50-12:40

2 stops26h 50m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£224

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Wed 21/10

16:15-17:25

2 stops33h 10m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£224

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Sun 25/10

09:45-07:30

2 stops29h 45m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£225

Flights are sorted by cheapest return flights first.

Deals found on 9/9

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-LHR

ICN-LTN

ICN-LHR

ICN-LGW

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-LHR

ICN-LTN

ICN-LHR

ICN-LGW

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

Currently, November is the cheapest month in which you can book a flight from South Korea to London (average of £497). Flying from South Korea to London in October is currently the most expensive (average of £800). 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 Tuesday, which is when the least amount of flights are scheduled (4 on average).

How often are flights from South Korea to London delayed?

About 25% of weekly flights between South Korea and London have experienced delays in the past year, with the average delay time being 126 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?

Monday tends to have the lowest number of delays on this route, whereas Sunday 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,Air China, andVirgin Atlantic 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

561 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

561 reviews

Asiana Airlines

8.1

Very Good

561 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.

Air China

7.5

Good

164 reviews

Asiana Airlines

8.1

Very Good

561 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

7.4

Good

694 reviews

Asiana Airlines

8.1

Very Good

561 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

236 reviews

Asiana Airlines

8.1

Very Good

561 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

8,220 reviews

Asiana Airlines

8.1

Very Good

561 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 24h 55m. Airlines will cover a distance of 5515 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 Stansted or Incheon Intl - London Gatwick.
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 (85%), Korean Air (74%), Asiana Airlines (71%).
What are the cheapest flights from South Korea to London?
On average you can expect to pay £1,061 for a flight from South Korea to London. The cheapest flight overall is £364 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £454.
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, November is the cheapest month in which you can book a flight from South Korea to London (average of £497). Flying from South Korea to London in October is currently the most expensive (average of £800). 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£461	Average£574	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Asiana Airlines	Cheapest£477	Average£538	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
Virgin Atlantic	Cheapest£511	Average£696	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 £172

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. 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 12 September 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 12 September 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 12 September 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 12 September 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 12 September 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 12 September 2026.

Last-minute flights from South Korea to LondonDiscover last-minute flight deals from South Korea to London. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from South Korea to London. Data last updated 12 September 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 12 September 2026.

Search for one-way flight options from South Korea to London. Find affordable one-way fares based on user searches. Data last updated 12 September 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 12 September 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

The most flights from KR0 to LON are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

How often are flights from South Korea to London delayed?

About 25% of weekly flights between South Korea and London have experienced delays in the past year, with the average delay time being 126 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?

Monday tends to have the lowest number of delays on this route, whereas Sunday 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,Air China, andVirgin Atlantic 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

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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 12 September 2026.

South Korea and London flights

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South Korea to London flights

Consider these flights travelling from South Korea to London.

Top 3 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 12 September 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 12 September 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 12 September 2026.

Last-minute flights from South Korea to London
Discover last-minute flight deals from South Korea to London. Data last updated 12 September 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 12 September 2026.