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Cheap flights from South Korea to London from £182

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LON
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 17 October 2025.

Round-trip from

£409

One-way from

£182

Popular in

October

Cheapest in

December

Average price

£848

Good round-trip deal

£502 or less

Good one-way deal

£372 or less
Air China
  • Air China
  • 16/11-17/11
  • 2 total stops
  • 66h 10m total
  • South Korea to London
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China Eastern
  • China Eastern
  • 30/11
  • 1 total stop
  • 30h 40m total
  • South Korea to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£61 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 October 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

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 17 October 2025.

Sun 16/1114:25GMP - LHR
1 stop34h 30mAir China
Mon 17/1120:25LHR - GMP
1 stop31h 40mAir China
Deal found 16/10£409
Thu 13/1113:30GMP - LHR
1 stop37h 25mChina Southern
Tue 18/1121:30LHR - GMP
1 stop29h 55mChina Southern
Deal found 16/10£410
Sat 13/1214:25GMP - LHR
1 stop34h 30mAir China
Sun 21/1220:25LHR - GMP
1 stop31h 40mAir China
Deal found 15/10£410
Wed 19/1114:25GMP - LHR
1 stop36h 25mAir China
Tue 25/1120:25LHR - GMP
1 stop31h 40mAir China
Deal found 16/10£412
Wed 19/1114:25GMP - LHR
1 stop34h 30mAir China
Mon 24/1120:25LHR - GMP
1 stop31h 40mAir China
Deal found 16/10£413
Thu 20/1114:25GMP - LHR
1 stop34h 30mAir China
Sat 22/1117:40LHR - GMP
1 stop34h 25mAir China
Deal found 16/10£414
Sun 7/1214:25GMP - LHR
1 stop36h 25mAir China
Tue 23/1217:40LHR - GMP
1 stop34h 25mAir China
Deal found 16/10£418
Sat 8/1112:00GMP - LGW
1 stop35h 00mChina Eastern
Sat 15/1117:00LGW - GMP
1 stop33h 00mChina Eastern
Deal found 15/10£418
Wed 12/1120:50GMP - LGW
1 stop18h 40mChina Eastern
Wed 19/1110:30LGW - GMP
1 stop24h 20mChina Eastern
Deal found 15/10£419
Fri 26/1214:25GMP - LHR
1 stop36h 25mAir China
Wed 31/1217:40LHR - GMP
1 stop34h 25mAir China
Deal found 16/10£421
Mon 24/1114:25GMP - LHR
1 stop34h 30mAir China
Tue 2/1220:25LHR - GMP
1 stop31h 40mAir China
Deal found 16/10£422
Sun 23/1114:25GMP - LHR
1 stop36h 25mMultiple Airlines
Mon 1/1221:30LHR - GMP
1 stop29h 55mMultiple Airlines
Deal found 15/10£424

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 17 October 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

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Thu 13/11

13:30-17:55

1 stop37h 25m

London Heathrow

Mon 24/11

21:30-12:25

1 stop29h 55m

£410

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sat 13/12

14:25-15:55

1 stop34h 30m

London Heathrow

Sun 21/12

20:25-13:05

1 stop31h 40m

£410

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 1/12

14:25-17:50

1 stop36h 25m

London Heathrow

Mon 8/12

20:25-13:05

1 stop31h 40m

£410

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 19/11

14:25-17:50

1 stop36h 25m

London Heathrow

Tue 25/11

20:25-13:05

1 stop31h 40m

£412

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 19/11

14:25-15:55

1 stop34h 30m

London Heathrow

Mon 24/11

20:25-13:05

1 stop31h 40m

£413

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 19/11

14:25-15:55

1 stop34h 30m

London Heathrow

Sun 23/11

20:25-13:05

1 stop31h 40m

£413

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 16/11

14:25-15:55

1 stop34h 30m

London Heathrow

Sun 23/11

20:25-13:05

1 stop31h 40m

£413

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Wed 12/11

20:50-06:30

1 stop18h 40m

London Gatwick

Wed 19/11

10:30-19:50

1 stop24h 20m

£419

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 4/12

14:25-13:50

2 stops32h 25m

London Gatwick

Fri 12/12

21:45-13:05

2 stops30h 20m

£427

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Wed 19/11

14:25-14:00

2 stops32h 35m

London Gatwick

Tue 25/11

07:20-13:05

2 stops20h 45m

£434

Flights are sorted by cheapest return flights first.

Deals found on 16/10

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, September is the cheapest month in which you can book a flight from South Korea to London (average of £109). Flying from South Korea to London in August is currently the most expensive (average of £549). 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 17 October 2025.

It’s typically best to fly out from South Korea to London in the afternoon. Doing so could potentially save you 47% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from South Korea to London?

Use this chart to determine the cheapest time to fly return from South Korea to London. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their South Korea to London flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 17 October 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).

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 17 October 2025.
Read reviews from past customers who have flown with Asiana Airlines, China Southern, 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
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Crew

8.6

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Asiana Airlines
8.2
Very Good
486 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Crew

8.6

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
China Southern
7.4
Good
116 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Crew

8.6

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
China Eastern
7.2
Good
169 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Crew

8.6

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Air China
7.2
Good
114 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Crew

8.6

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Lufthansa
6.8
Okay
7,497 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Crew

8.6

Entertainment

7.8

Boarding

8.4

Food

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

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 18h 40m. 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 (£186), Air China (£191), and Royal Brunei Airlines (£211).

  • 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 (51%), Korean Air (46%), Asiana Airlines (30%).

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

    On average you can expect to pay £890 for a flight from South Korea to London. The cheapest flight overall is £280 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at £369.

  • 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, September is the cheapest month in which you can book a flight from South Korea to London (average of £109). Flying from South Korea to London in August is currently the most expensive (average of £549). 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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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 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£354Average£687FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Asiana AirlinesCheapest£503Average£739FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£722Average£820FlexibilityNo cancel feeOn-time81%
Search Korean Air 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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