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Cheap flights from South Korea to London from £225

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LON
8 Aug — 15 Aug1
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
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 9 July 2026.

Wed 19/817:50
PUS
-
LGW
1 stop20h 50m
China Eastern
Wed 26/811:35
LGW
-
PUS
1 stop16h 00m
China Eastern
Deal found 5/7£451
Tue 18/817:50
PUS
-
LGW
1 stop29h 10m
China Eastern
Tue 25/811:35
LGW
-
PUS
1 stop16h 00m
China Eastern
Deal found 4/7£459
Tue 4/817:50
PUS
-
LGW
1 stop20h 50m
China Eastern
Tue 11/822:00
LGW
-
PUS
1 stop29h 35m
China Eastern
Deal found 6/7£460
Wed 5/812:35
PUS
-
LGW
1 stop26h 05m
China Eastern
Wed 19/818:00
LGW
-
PUS
1 stop14h 50m
China Eastern
Deal found 4/7£478
Wed 5/817:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Wed 19/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 7/7£480
Mon 19/1017:50
PUS
-
LGW
1 stop20h 50m
China Eastern
Fri 6/1110:30
LGW
-
PUS
1 stop21h 20m
China Eastern
Deal found 6/7£481
Sat 1/817:50
PUS
-
LGW
1 stop33h 25m
China Eastern
Wed 5/822:00
LGW
-
PUS
1 stop34h 50m
China Eastern
Deal found 5/7£482
Thu 13/817:50
PUS
-
LGW
1 stop33h 20m
China Eastern
Mon 24/811:35
LGW
-
PUS
1 stop21h 15m
China Eastern
Deal found 7/7£490
Tue 4/817:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Tue 11/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 6/7£490
Wed 19/817:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Wed 26/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 6/7£493
Sun 26/720:50
GMP
-
LGW
1 stop26h 10m
China Eastern
Tue 28/718:00
LGW
-
GMP
1 stop17h 50m
China Eastern
Deal found 5/7£515
Sun 15/1114:25
GMP
-
LGW
1 stop24h 15m
Air China
Fri 27/1111:35
LGW
-
GMP
1 stop16h 30m
Air China
Deal found 5/7£517

Find flight deals from South Korea to London

Keep the following information in mind while searching for South Korea to London flight deals. Data was last updated 9 July 2026.

Round-trip from

£451

One-way from

£225

Popular in

October

Cheapest in

November

Average price

£610

Good round-trip deal

£697 or less

Good one-way deal

£428 or less
China Eastern
  • China Eastern
  • 19/8-26/8
  • 2 total stops
  • 36h 50m total
  • South Korea to London
Search Deals
China Southern
  • China Southern
  • 22/10
  • 1 total stop
  • 36h 35m total
  • South Korea to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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

 
Customise your flight search to find flights from South Korea to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 July 2026.
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 - LGW

PUSLGW

Busan Gimhae

Thu 6/8

17:50-19:10

1 stop33h 20m

London Gatwick

Thu 13/8

18:00-11:35

1 stop33h 35m

£506

BusanLondon

PUS - LGW

PUSLGW

Busan Gimhae

Wed 19/8

17:50-15:00

1 stop29h 10m

London Gatwick

Wed 26/8

11:35-16:50

1 stop21h 15m

£509

BusanLondon

PUS - LGW

PUSLGW

Busan Gimhae

Tue 18/8

12:35-06:40

1 stop26h 05m

London Gatwick

Tue 25/8

18:00-11:35

1 stop33h 35m

£509

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Sun 15/11

14:25-05:40

1 stop24h 15m

London Gatwick

Fri 27/11

11:35-13:05

1 stop16h 30m

£517

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Tue 1/12

14:25-06:55

2 stops25h 30m

London Gatwick

Wed 9/12

11:35-13:05

1 stop16h 30m

£530

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 10/12

14:25-05:40

1 stop24h 15m

London Gatwick

Wed 16/12

11:35-13:05

1 stop16h 30m

£551

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 3/12

14:25-06:55

2 stops25h 30m

London Gatwick

Wed 9/12

11:05-13:05

2 stops41h 00m

£552

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 11/9

17:45-19:50

1 stop34h 05m

London Heathrow

Sun 13/9

22:05-16:45

1 stop34h 40m

£560

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 10/9

17:45-20:00

1 stop34h 15m

London Heathrow

Sat 12/9

22:05-16:45

1 stop34h 40m

£560

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 8/9

15:15-20:00

1 stop36h 45m

London Heathrow

Sat 12/9

22:05-14:15

1 stop32h 10m

£560

Flights are sorted by cheapest return flights first.

Deals found on 8/7

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
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

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

Currently, April is the cheapest month in which you can book a flight from South Korea to London (average of £133). Flying from South Korea to London in October is currently the most expensive (average of £1,161). 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?

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 9 July 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 9 July 2026.

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 26% of weekly flights between South Korea and London have experienced delays in the past year, with the average delay time being 96 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 in the early afternoon 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 Friday 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, Korean Air have had the lowest number of delays on this route, with just 20% 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 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 9 July 2026.
Read reviews from past customers who have flown with Asiana Airlines,Virgin Atlantic, andAir China 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
551 reviews
Check prices

Boarding

8.3

Food

8.0

Overall

8.1

Entertainment

7.6

Crew

8.5

Comfort

8.0

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
551 reviews
Asiana Airlines
8.1
Very Good
551 reviews
Check prices

Boarding

8.3

Food

8.0

Overall

8.1

Entertainment

7.6

Crew

8.5

Comfort

8.0

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
693 reviews
Asiana Airlines
8.1
Very Good
551 reviews
Check prices

Boarding

8.3

Food

8.0

Overall

8.1

Entertainment

7.6

Crew

8.5

Comfort

8.0

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
7.4
Good
157 reviews
Asiana Airlines
8.1
Very Good
551 reviews
Check prices

Boarding

8.3

Food

8.0

Overall

8.1

Entertainment

7.6

Crew

8.5

Comfort

8.0

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
228 reviews
Asiana Airlines
8.1
Very Good
551 reviews
Check prices

Boarding

8.3

Food

8.0

Overall

8.1

Entertainment

7.6

Crew

8.5

Comfort

8.0

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
8,127 reviews
Asiana Airlines
8.1
Very Good
551 reviews
Check prices

Boarding

8.3

Food

8.0

Overall

8.1

Entertainment

7.6

Crew

8.5

Comfort

8.0

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

Find useful and relevant information for your journey from South Korea to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from South Korea to London will take you 24h 15m. Airlines will cover a distance of 5515 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 (£120), Air China (£130), and Etihad Airways (£253).

  • 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: Virgin Atlantic (80%), Asiana Airlines (79%), Korean Air (76%).

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

    On average you can expect to pay £951 for a flight from South Korea to London. The cheapest flight overall is £241 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £462.

  • 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, April is the cheapest month in which you can book a flight from South Korea to London (average of £133). Flying from South Korea to London in October is currently the most expensive (average of £1,161). 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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Book flights to London if you plan to visit one of these locations
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Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from South Korea to London

Discover the top 4 airlines that operate flights from South Korea to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£466Average£580FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£482Average£555FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Virgin AtlanticCheapest£516Average£704FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Korean AirCheapest£620Average£824FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

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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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