Cheap flights from London to Seoul from £294

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SEL
21 May — 28 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Seoul are usually found in November or January, booked 50 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap flight deals from London to Seoul

Enter your travel dates to find the best prices.

Cheapest flights from London to Seoul
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 21 April 2026.

Mon 14/912:35
LGW
-
GMP
1 stop16h 30m
Air China
Mon 12/1014:25
GMP
-
LGW
1 stop24h 10m
Air China
Deal found 16/4£462
Sun 13/912:35
LGW
-
GMP
1 stop16h 30m
Air China
Tue 13/1014:25
GMP
-
LGW
1 stop24h 10m
Air China
Deal found 18/4£481
Fri 1/522:40
LHR
-
ICN
1 stop15h 20m
Air China
Mon 11/515:45
ICN
-
LHR
1 stop36h 40m
Air China
Deal found 16/4£498
Sat 3/1022:05
LHR
-
ICN
1 stop32h 10m
Shenzhen Airlines
Sun 25/1014:55
ICN
-
LHR
1 stop37h 15m
Shenzhen Airlines
Deal found 20/4£499
Wed 6/515:30
STN
-
ICN
2 stops35h 20m
Multiple Airlines
Wed 13/517:50
ICN
-
STN
2 stops33h 30m
Multiple Airlines
Deal found 20/4£500
Tue 19/511:35
LGW
-
ICN
1 stop17h 55m
China Eastern
Wed 10/616:15
ICN
-
LGW
1 stop30h 45m
China Eastern
Deal found 19/4£501
Tue 21/421:20
LHR
-
ICN
1 stop15h 25m
China Eastern
Tue 12/516:15
ICN
-
LHR
1 stop34h 25m
China Eastern
Deal found 17/4£502
Mon 11/511:35
LGW
-
ICN
1 stop21h 50m
Multiple Airlines
Tue 19/512:55
ICN
-
LGW
1 stop25h 45m
Multiple Airlines
Deal found 20/4£502
Mon 22/620:50
STN
-
ICN
2 stops30h 00m
Multiple Airlines
Tue 30/617:45
ICN
-
STN
2 stops32h 10m
Multiple Airlines
Deal found 19/4£502
Fri 29/522:40
LHR
-
ICN
1 stop15h 20m
Air China
Sat 6/613:05
ICN
-
LHR
1 stop15h 20m
Air China
Deal found 20/4£504
Sun 11/1013:15
LHR
-
ICN
1 stop37h 25m
Air India
Sun 25/1012:05
ICN
-
LHR
1 stop32h 25m
Air India
Deal found 19/4£505
Sun 31/511:35
LGW
-
GMP
1 stop24h 15m
China Eastern
Fri 24/712:00
GMP
-
LGW
1 stop26h 40m
China Eastern
Deal found 16/4£505

Find 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 21 April 2026.

Round-trip from

£462

One-way from

£294

Popular in

July

Cheapest in

November

Average price

£608

Good round-trip deal

£728 or less

Good one-way deal

£468 or less
Air China
  • Air China
  • 14/9-12/10
  • 2 total stops
  • 40h 40m total
  • London to Seoul
12/5
  • 12/5
  • 3 total stops
  • 48h 05m total
  • London to Seoul
Highest demand for flights based on searches. 15% potential increase in price (£80 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from London (LON) to Seoul (SEL).
Price to beat on a one-way flight from London (LON) to Seoul (SEL).

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 21 April 2026.
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

Cheapest return flight

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Sun 31/5

11:35-19:50

1 stop24h 15m

Seoul Gimpo Intl

Fri 24/7

12:00-06:40

1 stop26h 40m

£505

LondonIncheon

SEN - ICN

SENICN

London Southend

Thu 18/6

16:35-10:50

2 stops34h 15m

Incheon Intl

Wed 24/6

01:35-21:50

2 stops28h 15m

£520

LondonIncheon

LTN - ICN

LTNICN

London Luton

Mon 8/6

15:15-10:50

2 stops35h 35m

Incheon Intl

Tue 16/6

17:45-14:35

2 stops28h 50m

£524

LondonIncheon

LTN - ICN

LTNICN

London Luton

Mon 1/6

21:50-10:50

2 stops29h 00m

Incheon Intl

Fri 12/6

17:45-14:00

2 stops28h 15m

£554

LondonIncheon

SEN - ICN

SENICN

London Southend

Sat 20/6

16:50-22:05

2 stops21h 15m

Incheon Intl

Fri 3/7

01:35-21:45

2 stops28h 10m

£556

LondonIncheon

LTN - ICN

LTNICN

London Luton

Sun 28/6

08:00-22:05

2 stops30h 05m

Incheon Intl

Wed 15/7

17:45-13:45

2 stops28h 00m

£595

LondonIncheon

LTN - ICN

LTNICN

London Luton

Mon 1/6

21:50-10:50

2 stops29h 00m

Incheon Intl

Mon 8/6

17:45-14:00

2 stops28h 15m

£605

LondonIncheon

LTN - ICN

LTNICN

London Luton

Fri 8/5

19:40-10:50

2 stops31h 10m

Incheon Intl

Mon 11/5

17:50-14:35

2 stops28h 45m

£609

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Fri 5/6

11:35-19:50

1 stop24h 15m

Seoul Gimpo Intl

Sun 14/6

20:50-15:00

1 stop26h 10m

£641

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 12/5

09:30-10:50

1 stop17h 20m

Incheon Intl

Wed 3/6

17:45-07:00

1 stop21h 15m

£644

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
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 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 17 April 2026.

To ensure you get the cheapest price possible for a flight from London to Seoul, you should look to book at least 50 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 £428). Flying from London to Seoul in August is currently the most expensive (average of £834). 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 21 April 2026.

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 evening tend to be the most expensive. A flight at midday could potentially save you up to 31% on airfare.

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 21 April 2026.

The most flights from LON to SEL 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 much does it cost for a return flight from London to Seoul?

What’s the top stopover airport for flights from London to Seoul?

Share of one-stop return flights from London to Seoul chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Beijing (PEK) – chosen by Cheapflights users on 31% of one-stop itineraries from London to Seoul on Cheapflights.

What’s the cheapest stopover airport for flights from London to Seoul?

Average return fare for one-stop flights from London to Seoul, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Haikou (HAK) is the most affordable one-stop option, with an average return flight price of £427.

What’s the fastest stopover option from London to Seoul?

Shortest average travel time for one-stop one-way flights from London to Seoul, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Copenhagen (CPH) have the shortest average one-way travel time for one-stop routes: 14h 48m.

Which airport typically offers the quickest stopover for flights from London to Seoul?

Average stopover duration for one-stop one-way flights from London to Seoul, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 35m.

How often are flights from London to Seoul delayed?

About 0% of weekly flights between London and Seoul have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for London to Seoul flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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 21 April 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andVirgin Atlantic 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.

Crew

8.7

Food

8.1

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Crew

8.7

Food

8.1

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Crew

8.7

Food

8.1

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Crew

8.7

Food

8.1

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Crew

8.7

Food

8.1

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Crew

8.7

Food

8.1

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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.
  • How long is the flight from London to Seoul?

    Departing from London to Seoul will take you 17h 20m. There are 5503 mi between London and Seoul. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London to Seoul round-trip?

    China Eastern, at £246, was found to be the cheapest airline from London to Seoul.Alternate airlines flying return to your destination include Turkish Airlines and Air China. Users have found that China Eastern is 58% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as £216 on China Eastern. Other airlines that offer cheap prices include China Southern from £250 and Air China from £270 one-way.

  • What are the most popular routes from London to Seoul?

  • What are the most reliable airlines from London to Seoul?

    Before booking your flight to Seoul from London, check out the most reliable airlines to get you to your destination on time: Virgin Atlantic (91%), Korean Air (74%), Asiana Airlines( 39%).

  • What are the cheapest flights from London to Seoul?

    While on average a flight from London to Seoul is generally £1,052, our data shows the cheapest flight currently is £413. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay £439 for that flight.

  • Where are the most common stopover locations when flying from London to Seoul?

  • What are some popular things to do or see while on a stopover in Beijing?

    Forbidden City, The Antiquarium of the Palace Museum, and Zhengyangmen are the most popular attractions in Beijing if you're in need of something to do during your stopover. Forbidden City, The Antiquarium of the Palace Museum, and Zhengyangmen can be visited by traveling about 15.1 mi, 14.9 mi, and 15.9 mi respectively from Beijing Capital.

  • What are some popular points of interest to see during a stopover in Frankfurt am Main?

    The majority of Frankfurt am Main visitors spend their time at Opernturm, Römerberg, and Frankfurt Cathedral. Travellers on a stopover in Frankfurt am Main can visit Opernturm, Römerberg, and Frankfurt Cathedral, by travelling 7.3 mi, 7.4 mi, and 7.5 mi, respectively after landing at Frankfurt am Main. Those landing in Frankfurt am Main looking to spend some time exploring during their stopover can hire a car for about £29 per day.

  • What are points of interest worth seeing during a stopover in Beijing?

    If you're on a stopover in Beijing and looking for things to do, consider visiting Forbidden City, The Antiquarium of the Palace Museum, or Zhengyangmen. Forbidden City, The Antiquarium of the Palace Museum, and Zhengyangmen can be visited by travelling about 28.1 mi, 28.2 mi, and 27.0 mi respectively from Beijing Daxing Intl.

  • Where are the least popular stopover locations for London to Seoul flights?

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

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

  • How can I find direct flights from London to Seoul?

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

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

    Yes. Cheapflights offers flight deals from London to Seoul 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 Seoul?

    Currently, November is the cheapest month in which you can book a flight from London to Seoul (average of £428). Flying from London to Seoul in August is currently the most expensive (average of £834). 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

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 21 April 2026.

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 21 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£246Average£384FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest£326Average£652FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air ChinaCheapest£342Average£474FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£357Average£502FlexibilityNo cancel feeOn-time69%
Search China Southern flights
LufthansaCheapest£416Average£582FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£453Average£660FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Etihad AirwaysCheapest£485Average£673FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest£487Average£674FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£510Average£770FlexibilityNo cancel feeOn-time75%
Search KLM flights
LOTCheapest£552Average£777FlexibilityNo cancel feeOn-time81%
Search LOT 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 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.

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