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Cheap flights from South Korea to London from £158

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LON
23 4月 — 30 4月1
1 adult

Cheap 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 18 4月 2025.

Round-trip from

£342

One-way from

£158

Popular in

September

Cheapest in

November

Average price

£728

Good round-trip deal

£728 or less

Good one-way deal

£532 or less
China Eastern
  • China Eastern
  • 14/5-27/5
  • 2 total stops
  • 68h 00m total
  • South Korea to London
Search Deals
China Eastern
  • China Eastern
  • 8/5
  • 1 total stop
  • 26h 05m total
  • South Korea to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£80 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 April 2025
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

Find flight deals from South Korea to London

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 18 4月 2025.

週三 14/512:35PUS - LGW
1 stop34h 25mChina Eastern
週二 27/518:00LGW - PUS
1 stop33h 35mChina Eastern
Deal found 17/4£342
週三 14/513:30GMP - LHR
1 stop36h 35mChina Southern
週一 19/521:00LHR - GMP
1 stop31h 25mChina Southern
Deal found 17/4£365
週四 22/512:35PUS - LHR
1 stop38h 05mChina Eastern
週一 26/521:20LHR - PUS
1 stop35h 30mChina Eastern
Deal found 18/4£370
週三 14/512:00GMP - LGW
1 stop35h 00mChina Eastern
週六 17/518:00LGW - GMP
1 stop33h 00mChina Eastern
Deal found 17/4£373
週三 14/512:00GMP - LHR
1 stop38h 40mChina Eastern
週日 18/521:20LHR - GMP
1 stop29h 40mChina Eastern
Deal found 17/4£376
週五 9/516:20ICN - LHR
1 stop34h 20mChina Eastern
週一 12/521:20LHR - ICN
1 stop30h 35mChina Eastern
Deal found 18/4£387
週日 1/614:30ICN - LGW
1 stop32h 40mChina Eastern
週六 14/618:00LGW - ICN
1 stop15h 25mChina Eastern
Deal found 18/4£387
週六 17/509:25ICN - LHR
1 stop16h 40mChina Southern
週日 25/522:10LHR - ICN
1 stop33h 15mChina Southern
Deal found 17/4£390
週日 18/513:05ICN - LHR
1 stop36h 40mAir China
週六 24/522:00LHR - ICN
1 stop30h 55mAir China
Deal found 17/4£395
週三 14/510:05ICN - LHR
1 stop19h 40mSWISS
週日 18/517:15LHR - ICN
2 stops55h 10mSWISS
Deal found 17/4£401
週一 9/617:50ICN - LGW
1 stop20h 45mAir China
週六 21/612:35LGW - ICN
1 stop15h 00mAir China
Deal found 18/4£405
週三 14/512:35PUS - LGW
1 stop34h 25mMultiple Airlines
週二 27/511:35LGW - PUS
2 stops20h 20mMultiple Airlines
Deal found 17/4£406

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 18 4月 2025.
Use the filters below to find and compare flights from South Korea to London that are best for you.

Fly from

South Korea

Fly to

London

Route

Depart

Return

Price

BusanLondon

PUS - LGW

PUSLGW

Busan Gimhae

週三 14/5

12:35-15:00

1 stop34h 25m

London Gatwick

週二 27/5

18:00-11:35

1 stop33h 35m

£342

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

週三 14/5

13:30-18:05

1 stop36h 35m

London Heathrow

週一 19/5

21:00-12:25

1 stop31h 25m

£365

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

週四 22/5

12:35-18:40

1 stop38h 05m

London Heathrow

週一 26/5

21:20-16:50

1 stop35h 30m

£370

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

週三 14/5

12:00-15:00

1 stop35h 00m

London Gatwick

週六 17/5

18:00-11:00

1 stop33h 00m

£373

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

週三 14/5

12:00-18:40

1 stop38h 40m

London Heathrow

週日 18/5

21:20-11:00

1 stop29h 40m

£376

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

週五 9/5

16:20-18:40

1 stop34h 20m

London Heathrow

週一 12/5

21:20-11:55

1 stop30h 35m

£387

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

週日 1/6

14:30-15:10

1 stop32h 40m

London Gatwick

週六 14/6

18:00-17:25

1 stop15h 25m

£387

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

週六 17/5

09:25-18:05

1 stop16h 40m

London Heathrow

週日 25/5

22:10-15:25

1 stop33h 15m

£390

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

週日 18/5

13:05-17:45

1 stop36h 40m

London Heathrow

週六 24/5

22:00-12:55

1 stop30h 55m

£395

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

週三 14/5

10:05-21:45

1 stop19h 40m

London Heathrow

週日 18/5

17:15-08:25

2 stops55h 10m

£401

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from South Korea to London (average of £112). Flying from South Korea to London in August is currently the most expensive (average of £164). 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 18 4月 2025.

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 18 4月 2025.

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

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

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.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

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).

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 18 4月 2025.
Peruse reviews from past customers who have flown with EVA Air, China Airlines and Singapore Airlines from South Korea to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,177 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very Good
1,177 reviews
EVA Air
8.4
Very Good
1,177 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.2
Very Good
729 reviews
EVA Air
8.4
Very Good
1,177 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Singapore Airlines
8.1
Very Good
1,289 reviews
EVA Air
8.4
Very Good
1,177 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Emirates
8.0
Very Good
3,201 reviews
EVA Air
8.4
Very Good
1,177 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
KLM
7.8
Good
1,329 reviews
EVA Air
8.4
Very Good
1,177 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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.

  • 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 (£158), China Southern (£158), and Air China (£202).

  • 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: Korean Air (63%), Virgin Atlantic (62%), Asiana Airlines (56%).

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

    On average you can expect to pay £677 for a flight from South Korea to London. The cheapest flight overall is £490 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £368.

  • 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, January is the cheapest month in which you can book a flight from South Korea to London (average of £112). Flying from South Korea to London in August is currently the most expensive (average of £164). 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 South Korea?

Book flights to South Korea if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Hayes
Crawley
Southend-on-Sea
Maidstone
Ipswich
Southall
Ilford
Winchester
Folkestone
Dartford
Watford

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 18 4月 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£359Average£547FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
FinnairCheapest£568Average£680FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Asiana AirlinesCheapest£656Average£803FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£680Average£896FlexibilityNo 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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