Cheap flights from London to South Korea from £258

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ICN
2 Sep — 9 Sep1
1 adult

Cheap flight deals from London to South Korea

Keep the following information in mind while searching for London to South Korea flight deals. Data was last updated 28 August 2025.

Round-trip from

£384

One-way from

£258

Popular in

July

Cheapest in

November

Average price

£790

Good round-trip deal

£854 or less

Good one-way deal

£578 or less
China Eastern
  • China Eastern
  • 15/11-25/11
  • 2 total stops
  • 62h 15m total
  • London to South Korea
China Eastern
  • China Eastern
  • 20/10
  • 1 total stop
  • 29h 40m total
  • London to South Korea
Highest demand for flights based on searches. 18% potential increase in price (£93 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from London (LON) to South Korea.
Price to beat on a one-way flight from London (LON) to South Korea.

Find flight deals from London to South Korea

Cheapest flights from London to South Korea
Explore the most affordable flight options available from London to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.

Sat 15/1121:00LHR - PUS
1 stop29h 35mChina Eastern
Tue 25/1117:50PUS - LHR
1 stop32h 40mChina Eastern
Deal found 27/8£384
Thu 6/1121:30LHR - GMP
1 stop29h 55mChina Southern
Sat 15/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 26/8£391
Sat 8/1121:00LHR - GMP
1 stop29h 00mChina Eastern
Sat 22/1120:50GMP - LHR
1 stop29h 40mChina Eastern
Deal found 26/8£392
Wed 5/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 19/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 26/8£393
Wed 3/1221:30LHR - GMP
1 stop29h 55mChina Southern
Thu 11/1213:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 27/8£394
Sat 1/1121:30LHR - GMP
1 stop29h 55mChina Southern
Mon 17/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 27/8£394
Wed 19/1121:30LHR - GMP
1 stop29h 55mChina Southern
Sun 30/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 26/8£396
Sat 8/1121:30LHR - GMP
1 stop29h 55mChina Southern
Sat 15/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 26/8£396
Sat 30/812:35LGW - GMP
1 stop16h 30mAir China
Mon 8/914:25GMP - LGW
1 stop24h 10mAir China
Deal found 27/8£396
Thu 30/1021:30LHR - GMP
1 stop29h 55mChina Southern
Sun 9/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 26/8£397
Thu 2/1020:25LHR - GMP
1 stop32h 40mAir China
Sun 12/1014:25GMP - LHR
1 stop35h 20mAir China
Deal found 25/8£398
Thu 30/1021:30LHR - GMP
1 stop29h 55mChina Southern
Mon 10/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 27/8£399

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to South Korea 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 28 August 2025.
Use the filters below to find and compare flights from London to South Korea that are best for you.

Fly from

London

Fly to

South Korea

Route

Depart

Return

Price

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Sat 15/11

21:00-11:35

1 stop29h 35m

Busan Gimhae

Tue 25/11

17:50-17:30

1 stop32h 40m

£384

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 3/12

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Thu 11/12

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 23/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 1/12

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 1/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Thu 20/11

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 25/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 1/12

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 30/10

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Thu 20/11

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 19/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 1/12

13:45-17:55

1 stop37h 10m

£394

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 11/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 24/11

13:45-17:55

1 stop37h 10m

£394

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sat 8/11

17:00-17:25

1 stop15h 25m

Incheon Intl

Mon 24/11

22:45-17:20

1 stop27h 35m

£414

LondonIncheon

STN - ICN

STNICN

London Stansted

Mon 20/10

15:30-11:00

3 stops35h 30m

Incheon Intl

Sun 26/10

18:25-16:10

2 stops30h 45m

£419

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 60 results
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Best time to book a flight from London to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from London 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 London to South Korea

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

Currently, November is the cheapest month in which you can book a flight from London to South Korea (average of £644). Flying from London to South Korea in July is currently the most expensive (average of £1,181). 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 LON to KR?

Find hourly flight availability from London to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 August 2025.

When flying from London to South Korea, 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 London to South Korea

Explore weekly flight availability from London to South Korea. 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 28 August 2025.

The most flights from LON to KR0 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).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated 28 August 2025.
Check out reviews from past customers who have flown with Asiana Airlines, China Southern, andAir China from London to South Korea 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.

Comfort

8.1

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

Comfort

8.1

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

Comfort

8.1

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

Comfort

8.1

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

Comfort

8.1

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

Comfort

8.1

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacob,Jul 2025

ICN - JFK

I flew business calls Asiana, everything was great and good! I must say that the service at the Asian business class lounge prior to the flight is very poor, the staff are very cold and not welcome and I asked for some help in getting a food without salt ...I was looked upon as if I ... I am traveling a lot business , and I se people complained a lot in asiana lounge services. Jacob

Related info for your journey

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

    If searching for flights to London from Korea, more commonly known as South Korea, there are several different airports that you can fly out of. The most popular airports include Incheon International Airport (ICN) which serves the country’s capital, Seoul, Jeju International Airport (CJU) on the volcanic island of Jeju in the south and Gimhae International Airport (PUS), which serves the city of Busan in the southeast. Whilst in London, you can fly into busy airports such as London Heathrow Airport, Gatwick Airport, London City Airport, Stansted Airport and Luton Airport some of which are located outside the main metropolitan area but have good transport links to the city centre.

  • Which airlines fly directly from Korea to London?

    If you’re looking for the best deals to fly directly to London from Korea then you may find that there aren’t many airlines that operate direct services, there are some available, but they can be considerably more expensive than a flight with a stopover. Korean Air and Asiana Airlines both operate non-stop flights from Incheon International Airport to London Heathrow Airport, the flight duration for these flights ranges between 12h 05min and 12h 30min. Other notable airlines that provide flights with a stopover are Lufthansa, Finnair, Qatar Airways, LOT Polish Airlines, Turkish Airlines, Singapore Airlines, KLM and Etihad Airways.

  • What are the stopover options between Korea to London?

    When it comes to booking flights to London from Korea that includes a stopover or two, then you have plenty of options at your disposal. Lufthansa and Finnair both operate indirect flights from Incheon International Airport to London Heathrow with a reasonable flight time of around 14h 45min with a stopover in Frankfurt Am Main Airport (FRA) or Helsinki-Vantaa Airport (HEL) of 1h 30min or 2h 5min, respectively. Alternatively, if a lower price is more important to you, then check out flights with Qatar Airways via Doha Airport (DOH), Turkish Airlines via Istanbul Airport (IST) or Etihad Airways via Abu Dhabi Airport (AUH), all of which operate out of Incheon International Airport to London Heathrow with stopovers being relatively short between 2h-3h. From Jeju International Airport (CJU) you can fly to London Heathrow with Korean Air via Seoul Gimpo Airport. If you want to land at Gatwick Airport you can fly with Turkish Airlines from Incheon International Airport via Istanbul Airport, while KLM also provide a service via Amsterdam Schiphol Airport (AMS) to London City Airport (LCY). The cheaper flights tend to extend the flight duration by only around 5h-7h depending on who you fly with, and flights with two stopovers extend the flight time considerably without being any cheaper, so it’s best to go with one stopover if possible.

  • Do I need a passport or visa to fly from Korea to London?

    Yes, if you are a UK citizen and you’re flying to London from Korea, you will need to present a valid passport with your boarding pass in order to pass through customs and immigration at the airports of origin and destination. For Korean citizens, a travel visa is not required to enter the UK and you will be granted a stay of up to six months. If you’re a UK citizen, only a valid passport will be required to travel.

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

    Airlines like China Eastern, China Southern, and Air China fly from London to South Korea in about 16h 30m. The time it takes to get you to your destination can typically vary by up to 13h 25m. Airlines will cover a distance of 5515 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London to South Korea one-way?

    £258 is the cheapest one-way deal found within the past few days, from China Eastern. You may also be able to find cheap deals on Air China and China Southern, with prices starting from £260 and £272, respectively.

  • What are the most popular routes from London to South Korea?

  • What are the most reliable airlines from London to South Korea?

    No one likes to see their flight delayed. When booking a flight from London to South Korea consider choosing Korean Air (92%), Virgin Atlantic (92%) or Asiana Airlines (90%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from London to South Korea is generally £2,399, our data shows the cheapest flight currently is £519. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay £333 for that flight.

  • Can I find deals for flights from London to South Korea that include hotel bookings?

    Yes. In addition to deals on London to South Korea flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to South Korea.

  • Can I find deals for business class flights from London to South Korea?

    Yes. Cheapflights offers flight deals from London to South Korea 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 London to South Korea?

    Currently, November is the cheapest month in which you can book a flight from London to South Korea (average of £644). Flying from London to South Korea in July is currently the most expensive (average of £1,181). 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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Alternative routes for London to South Korea

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to South Korea

Discover the top 10 airlines that operate flights from London to South Korea. 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 28 August 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£304Average£467FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£329Average£532FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£343Average£582FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£421Average£463FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
LufthansaCheapest£439Average£640FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£521Average£711FlexibilityNo cancel feeOn-time81%
Search LOT flights
Etihad AirwaysCheapest£537Average£688FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest£542Average£665FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
FinnairCheapest£545Average£719FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£547Average£735FlexibilityNo cancel feeOn-time77%
Search Air France 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 London to South Korea?

Deals for London to South Korea flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to South Korea?

Cheapflights helps you find that perfect flight to South Korea from London 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 London to South Korea with no change fees?

Yes, we can. To see specific flights from London to South Korea with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to South Korea become cheaper?

Yes, Cheapflights offers price alerts on London to South Korea flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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