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Cheap flights from South Korea to London from £146

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LON
20 Jun — 27 Jun1
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 21 May 2026.

Tue 9/612:35
PUS
-
LGW
1 stop26h 05m
China Eastern
Tue 16/611:35
LGW
-
PUS
1 stop21h 15m
China Eastern
Deal found 19/5£403
Wed 3/620:50
GMP
-
LGW
1 stop26h 10m
China Eastern
Sat 13/611:35
LGW
-
GMP
1 stop24h 15m
China Eastern
Deal found 17/5£404
Thu 11/616:20
ICN
-
LHR
1 stop34h 20m
China Eastern
Sun 14/621:20
LHR
-
ICN
1 stop30h 35m
China Eastern
Deal found 16/5£429
Tue 9/612:55
ICN
-
STN
2 stops35h 05m
Multiple Airlines
Mon 15/620:45
STN
-
ICN
2 stops32h 45m
Multiple Airlines
Deal found 17/5£429
Fri 12/616:20
ICN
-
LHR
1 stop34h 20m
China Eastern
Sun 14/621:20
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 15/5£436
Fri 12/612:55
ICN
-
LGW
1 stop25h 45m
China Eastern
Fri 19/618:00
LGW
-
ICN
1 stop35h 30m
China Eastern
Deal found 16/5£439
Thu 11/616:15
ICN
-
STN
2 stops30h 40m
Multiple Airlines
Sun 14/606:05
STN
-
ICN
2 stops25h 15m
Multiple Airlines
Deal found 16/5£444
Wed 17/608:55
ICN
-
LHR
1 stop17h 45m
China Eastern
Tue 23/621:20
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 18/5£451
Sun 14/616:15
ICN
-
LHR
1 stop34h 25m
China Eastern
Sun 21/621:20
LHR
-
ICN
1 stop33h 50m
China Eastern
Deal found 18/5£453
Tue 9/616:15
ICN
-
LHR
1 stop34h 25m
China Eastern
Thu 25/621:20
LHR
-
ICN
1 stop34h 00m
China Eastern
Deal found 17/5£453
Tue 2/614:15
ICN
-
STN
3 stops34h 25m
Multiple Airlines
Tue 9/608:15
STN
-
ICN
2 stops25h 10m
Multiple Airlines
Deal found 18/5£456
Tue 16/608:55
ICN
-
LHR
1 stop17h 45m
China Eastern
Tue 23/621:20
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 18/5£461

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 21 May 2026.

Round-trip from

£403

One-way from

£146

Popular in

October

Cheapest in

December

Average price

£611

Good round-trip deal

£699 or less

Good one-way deal

£448 or less
China Eastern
  • China Eastern
  • 9/6-16/6
  • 2 total stops
  • 47h 20m total
  • South Korea to London
Search Deals
China Eastern
  • China Eastern
  • 2/6
  • 1 total stop
  • 34h 25m total
  • South Korea to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 21 May 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

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Thu 11/6

14:15-14:35

3 stops32h 20m

London Luton

Tue 16/6

17:45-11:55

2 stops34h 10m

£505

IncheonLondon

ICN - SEN

ICNSEN

Incheon Intl

Tue 2/6

08:55-07:55

2 stops31h 00m

London Southend

Tue 9/6

06:30-15:10

2 stops24h 40m

£505

IncheonLondon

ICN - SEN

ICNSEN

Incheon Intl

Tue 9/6

12:20-07:55

2 stops27h 35m

London Southend

Tue 23/6

06:30-09:55

2 stops19h 25m

£532

BusanLondon

PUS - LGW

PUSLGW

Busan Gimhae

Sat 5/9

12:45-06:35

1 stop25h 50m

London Gatwick

Fri 18/9

12:35-11:45

1 stop15h 10m

£532

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 11/6

12:00-06:40

1 stop26h 40m

London Gatwick

Sat 13/6

11:35-19:50

1 stop24h 15m

£534

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Mon 24/8

18:25-15:00

1 stop28h 35m

London Gatwick

Fri 18/9

11:35-15:20

1 stop19h 45m

£557

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 4/11

14:25-17:50

1 stop36h 25m

London Heathrow

Sat 14/11

20:25-13:05

1 stop31h 40m

£558

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 12/11

13:05-08:05

2 stops28h 00m

London Heathrow

Wed 25/11

11:30-10:50

1 stop14h 20m

£572

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 19/6

16:15-18:40

1 stop34h 25m

London Heathrow

Wed 24/6

21:20-13:30

1 stop32h 10m

£584

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Sat 18/7

11:40-12:20

3 stops32h 40m

London Luton

Sat 25/7

18:15-09:55

2 stops31h 40m

£586

Flights are sorted by cheapest return flights first.

Deals found on 18/5

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

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 February is currently the most expensive (average of £1,619). 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 21 May 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 21 May 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 29% 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 22% 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 21 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 21 May 2026.
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
534 reviews
Check prices

Entertainment

7.6

Boarding

8.3

Overall

8.1

Crew

8.5

Comfort

8.0

Food

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only
Asiana Airlines
8.1
Very Good
534 reviews
Asiana Airlines
8.1
Very Good
534 reviews
Check prices

Entertainment

7.6

Boarding

8.3

Overall

8.1

Crew

8.5

Comfort

8.0

Food

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only
Virgin Atlantic
7.5
Good
689 reviews
Asiana Airlines
8.1
Very Good
534 reviews
Check prices

Entertainment

7.6

Boarding

8.3

Overall

8.1

Crew

8.5

Comfort

8.0

Food

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only
China Eastern
7.3
Good
216 reviews
Asiana Airlines
8.1
Very Good
534 reviews
Check prices

Entertainment

7.6

Boarding

8.3

Overall

8.1

Crew

8.5

Comfort

8.0

Food

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only
Air China
7.3
Good
151 reviews
Asiana Airlines
8.1
Very Good
534 reviews
Check prices

Entertainment

7.6

Boarding

8.3

Overall

8.1

Crew

8.5

Comfort

8.0

Food

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only

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 25h 50m. Airlines will cover a distance of 5718 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 (£129), and Etihad Airways (£214).

  • 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: Asiana Airlines (89%), Virgin Atlantic (81%), Korean Air (69%).

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

    On average you can expect to pay £703 for a flight from South Korea to London. The cheapest flight overall is £398 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, 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 February is currently the most expensive (average of £1,619). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Croydon
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
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Kingston upon Thames
Eastbourne
Ipswich
Guildford
Southall
Borehamwood
Southend-on-Sea

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.

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 21 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£440Average£576FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£481Average£553FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Virgin AtlanticCheapest£493Average£694FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Korean AirCheapest£618Average£821FlexibilityNo 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?

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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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