Cheap flights from London to Seoul from £283
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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from London to Seoul are usually found in November or March, booked 12 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from London to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 July 2025.
Round-trip from | £467 |
---|---|
One-way from | £283 |
Popular in | August |
Cheapest in | November |
Average price | £760 |
Good round-trip deal | £900 or less |
Good one-way deal | £579 or less |
Find flight deals from London to Seoul
Cheapest flights from London to SeoulExplore the most affordable flight options available from London to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.
Explore the most affordable flight options available from London to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from London to Seoul 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 1 July 2025.
Use the filters below to find and compare flights from London to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonSeoul
LHR - GMP
LHRGMP
London Heathrow
Tue 23/9
20:25-13:05
1 stop32h 40m
Seoul Gimpo Intl
Wed 15/10
14:25-20:30
1 stop14h 05m
LondonSeoul
LHR - GMP
LHRGMP
London Heathrow
Fri 31/10
21:30-12:25
1 stop29h 55m
Seoul Gimpo Intl
Fri 14/11
13:45-17:55
1 stop37h 10m
LondonSeoul
LGW - GMP
LGWGMP
London Gatwick
Mon 1/9
12:35-13:05
1 stop16h 30m
Seoul Gimpo Intl
Mon 13/10
14:25-06:35
1 stop24h 10m
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Sun 7/12
08:45-11:15
1 stop17h 30m
Incheon Intl
Mon 22/12
13:30-22:55
1 stop18h 25m
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Thu 4/9
22:10-15:25
1 stop33h 15m
Incheon Intl
Sun 7/9
01:35-18:45
1 stop25h 10m
LondonIncheon
LGW - ICN
LGWICN
London Gatwick
Thu 27/11
06:35-12:05
2 stops20h 30m
Incheon Intl
Tue 9/12
11:00-20:55
1 stop18h 55m
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Sun 14/9
22:05-13:40
1 stop31h 35m
Incheon Intl
Sun 28/9
14:40-19:50
1 stop37h 10m
LondonSeoul
LGW - GMP
LGWGMP
London Gatwick
Sun 9/11
10:30-19:50
1 stop24h 20m
Seoul Gimpo Intl
Sat 15/11
12:00-06:30
1 stop27h 30m
LondonIncheon
LGW - ICN
LGWICN
London Gatwick
Tue 18/11
20:20-21:45
1 stop16h 25m
Incheon Intl
Mon 1/12
22:45-17:20
1 stop27h 35m
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Wed 5/11
21:00-11:15
2 stops29h 15m
Incheon Intl
Mon 10/11
20:50-17:30
2 stops29h 40m
Best time to book a flight from London to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from London with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London to Seoul
How far ahead should I book a flight from London to Seoul?
Use this chart to determine the optimal time to book a return flight from London to Seoul. Price data was last updated on 27 June 2025.
To ensure you get the cheapest price possible for a flight from London to Seoul, you should look to book at least 12 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London to Seoul?
Currently, November is the cheapest month in which you can book a flight from London to Seoul (average of £651). Flying from London to Seoul in July is currently the most expensive (average of £1,140). 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 SEL?
Find hourly flight availability from London to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 2025.
One of the essential ways to save on airfare from London to Seoul is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 27% on airfare.
What is the cheapest day to fly from London to Seoul?
Use this chart to determine the cheapest time to fly return from London to Seoul. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their London to Seoul flight should consider departing on Thursday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from London to Seoul
Explore weekly flight availability from London to Seoul. 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 1 July 2025.
The most flights from LON to SEL 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).
How much does it cost for a return flight from London to Seoul?
Reviews of airlines servicing Seoul
Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated 1 July 2025.
See what other customers who have flown with ANA, Hainan Airlines, andKLM from London to Seoul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Overall
Crew
Entertainment
Boarding
Comfort
Reviews
Anonymous,May 2025
SEA - HND
Food
Overall
Crew
Entertainment
Boarding
Comfort
Reviews
Anonymous,May 2025
SEA - HND
Food
Overall
Crew
Entertainment
Boarding
Comfort
Reviews
Anonymous,May 2025
SEA - HND
Food
Overall
Crew
Entertainment
Boarding
Comfort
Reviews
Anonymous,May 2025
SEA - HND
Food
Overall
Crew
Entertainment
Boarding
Comfort
Reviews
Anonymous,May 2025
SEA - HND
Food
Overall
Crew
Entertainment
Boarding
Comfort
Reviews
Anonymous,May 2025
SEA - HND
Related info for your journey
Find useful and relevant information for your journey from London to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Fly from London to Seoul on these airlines
Choose from the following airlines for your flight from London to Seoul. Flights are based on user searches made on Cheapflights and were last updated on 1 July 2025.
Top 10 airlines flying from London to Seoul
Discover the top 10 airlines that operate flights from London to Seoul. 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 1 July 2025.
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 Seoul?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Seoul. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from London to Seoul?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seoul from London.
Can Cheapflights find flights from London to Seoul with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Seoul, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from London to Seoul become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seoul from London today and book when prices fit your budget.