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Cheap flights from South Korea to London from £166

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LON
8 Sep — 15 Sep1
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 August 2026.

Tue 20/1014:25 -
2 stops24h 30m
Wed 28/1011:35 -
1 stop16h 30m
Deal found 4/8£503
Tue 24/1114:25 -
1 stop24h 55m
Mon 30/1111:35 -
1 stop16h 30m
Deal found 5/8£505
Sat 7/1114:25 -
1 stop24h 55m
Sun 15/1111:35 -
1 stop16h 30m
Deal found 4/8£505
Fri 11/913:30 -
1 stop36h 35m
Sat 19/921:00 -
1 stop31h 25m
Deal found 5/8£506
Sat 10/1013:30 -
1 stop36h 35m
Tue 20/1021:00 -
1 stop31h 25m
Deal found 5/8£508
Thu 24/1214:25 -
1 stop24h 15m
Sun 10/111:35 -
1 stop16h 30m
Deal found 6/8£508
Fri 6/1117:50 -
1 stop32h 40m
Mon 9/1121:00 -
1 stop34h 50m
Deal found 5/8£508
Wed 19/820:50 -
1 stop30h 20m
Wed 26/818:00 -
1 stop17h 50m
Deal found 4/8£509
Wed 19/820:50 -
1 stop30h 20m
Fri 21/811:35 -
1 stop24h 15m
Deal found 4/8£512
Thu 12/1117:50 -
1 stop32h 40m
Sun 15/1121:00 -
1 stop34h 50m
Deal found 8/8£512
Thu 20/820:50 -
1 stop30h 20m
Mon 31/818:00 -
1 stop17h 50m
Deal found 4/8£513
Tue 8/913:30 -
1 stop36h 35m
Tue 15/921:00 -
1 stop31h 25m
Deal found 5/8£513

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 August 2026.

Round-trip from

£503

One-way from

£166

Popular in

October

Cheapest in

November

Average price

£647

Good round-trip deal

£1,065 or less

Good one-way deal

£455 or less
Air China
  • Air China
  • 20/10-28/10
  • 3 total stops
  • 41h 00m total
  • South Korea to London
Search Deals
China Southern
  • China Southern
  • 10/10
  • 1 total stop
  • 17h 40m total
  • South Korea to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£41 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 August 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 August 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

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Wed 19/8

20:50-19:10

1 stop30h 20m

London Gatwick

Wed 26/8

18:00-19:50

1 stop17h 50m

£509

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Sun 8/11

14:25-06:20

1 stop24h 55m

London Gatwick

Mon 16/11

11:35-13:05

1 stop16h 30m

£519

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Thu 5/11

14:25-06:20

1 stop24h 55m

London Gatwick

Wed 18/11

11:35-13:05

1 stop16h 30m

£519

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Sat 7/11

14:25-06:20

1 stop24h 55m

London Gatwick

Mon 16/11

11:35-13:05

1 stop16h 30m

£519

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Thu 5/11

14:25-06:20

1 stop24h 55m

London Gatwick

Mon 16/11

11:35-13:05

1 stop16h 30m

£519

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Wed 26/8

12:00-15:00

1 stop35h 00m

London Gatwick

Wed 2/9

18:00-11:00

1 stop33h 00m

£525

DaeguLondon

TAE Daegu - LHR London Heathrow

TAELHR

Daegu

Mon 7/9

17:10-18:40

1 stop33h 30m

London Heathrow

Thu 10/9

21:20-16:10

1 stop34h 50m

£540

SeoulLondon

GMP Seoul Gimpo Intl - LGW London Gatwick

GMPLGW

Seoul Gimpo Intl

Thu 20/8

20:50-15:00

1 stop26h 10m

London Gatwick

Wed 26/8

18:00-19:50

1 stop17h 50m

£572

IncheonLondon

ICN Incheon Intl - LHR London Heathrow

ICNLHR

Incheon Intl

Sun 24/1

23:00-20:40

1 stop30h 40m

London Heathrow

Tue 2/2

07:30-12:25

1 stop19h 55m

£573

IncheonLondon

ICN Incheon Intl - LTN London Luton

ICNLTN

Incheon Intl

Thu 3/9

09:25-21:50

2 stops20h 25m

London Luton

Thu 10/9

15:00-22:10

2 stops23h 10m

£581

Flights are sorted by cheapest return flights first.

Deals found on 8/8

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, November is the cheapest month in which you can book a flight from South Korea to London (average of £504). Flying from South Korea to London in October is currently the most expensive (average of £881). 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 August 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 August 2026.

The most flights from KR0 to LON are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

How often are flights from South Korea to London delayed?

About 25% of weekly flights between South Korea and London have experienced delays in the past year, with the average delay time being 109 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 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, Virgin Atlantic have had the lowest number of delays on this route, with just 15% 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 August 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
554 reviews
Check prices

Entertainment

7.6

Food

8.0

Crew

8.5

Overall

8.1

Boarding

8.3

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
554 reviews
Asiana Airlines
8.1
Very Good
554 reviews
Check prices

Entertainment

7.6

Food

8.0

Crew

8.5

Overall

8.1

Boarding

8.3

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
694 reviews
Asiana Airlines
8.1
Very Good
554 reviews
Check prices

Entertainment

7.6

Food

8.0

Crew

8.5

Overall

8.1

Boarding

8.3

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
160 reviews
Asiana Airlines
8.1
Very Good
554 reviews
Check prices

Entertainment

7.6

Food

8.0

Crew

8.5

Overall

8.1

Boarding

8.3

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
232 reviews
Asiana Airlines
8.1
Very Good
554 reviews
Check prices

Entertainment

7.6

Food

8.0

Crew

8.5

Overall

8.1

Boarding

8.3

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
8,177 reviews
Asiana Airlines
8.1
Very Good
554 reviews
Check prices

Entertainment

7.6

Food

8.0

Crew

8.5

Overall

8.1

Boarding

8.3

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 55m. 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 (£119), Air China (£131), and Etihad Airways (£231).

  • 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 Seoul Gimpo Intl - London Heathrow.

  • 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 (83%), Asiana Airlines (82%), Korean Air (69%).

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

    On average you can expect to pay £979 for a flight from South Korea to London. The cheapest flight overall is £390 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £467.

  • 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 £504). Flying from South Korea to London in October is currently the most expensive (average of £881). 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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Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from South Korea to London

Discover the top 3 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 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£462Average£573FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£478Average£549FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Virgin AtlanticCheapest£512Average£697FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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