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Cheap flights from London to Seoul from £317

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SEL
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£502

One-way from

£317

Popular in

August

Cheapest in

November

Average price

£768

Good round-trip deal

£923 or less

Good one-way deal

£623 or less
Air China
  • Air China
  • 24/10-9/11
  • 2 total stops
  • 67h 10m total
  • London to Seoul
Air China
  • Air China
  • 27/8
  • 1 total stop
  • 30h 25m total
  • London to Seoul
Highest demand for flights based on searches. 19% potential increase in price (£103 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in July 2025
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).

Find flight deals from London to Seoul

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 11 July 2025.

Fri 24/1020:25LHR - GMP
1 stop32h 40mAir China
Sun 9/1114:25GMP - LHR
1 stop34h 30mAir China
Deal found 9/7£502
Sat 4/1021:00LHR - GMP
1 stop31h 25mChina Southern
Mon 13/1013:30GMP - LHR
1 stop36h 35mChina Southern
Deal found 10/7£506
Wed 3/1217:00LGW - GMP
1 stop17h 50mMultiple Airlines
Wed 24/1212:00GMP - LGW
1 stop27h 30mMultiple Airlines
Deal found 10/7£539
Wed 10/922:40LHR - GMP
1 stop30h 25mMultiple Airlines
Fri 7/1113:45GMP - LHR
1 stop37h 10mMultiple Airlines
Deal found 9/7£548
Mon 1/912:00LGW - ICN
1 stop19h 25mMultiple Airlines
Mon 15/912:00ICN - LGW
3 stops30h 30mMultiple Airlines
Deal found 9/7£558
Sun 31/806:00LHR - ICN
2 stops42h 45mMultiple Airlines
Mon 8/912:25ICN - LHR
1 stop16h 15mMultiple Airlines
Deal found 9/7£559
Sun 31/807:25STN - ICN
2 stops20h 10mMultiple Airlines
Mon 15/916:20ICN - STN
2 stops30h 40mMultiple Airlines
Deal found 10/7£559
Tue 23/912:35LGW - ICN
1 stop15h 00mAir China
Sun 12/1015:30ICN - LGW
1 stop23h 05mAir China
Deal found 9/7£561
Tue 2/921:00LHR - ICN
1 stop17h 10mChina Southern
Tue 9/909:25ICN - LHR
1 stop16h 40mChina Southern
Deal found 9/7£562
Mon 1/1206:00LTN - ICN
2 stops19h 50mMultiple Airlines
Sat 13/1223:55ICN - LTN
2 stops31h 10mMultiple Airlines
Deal found 11/7£562
Tue 9/920:25LHR - ICN
2 stops29h 30mLufthansa
Sat 8/1113:30ICN - LHR
1 stop16h 30mLufthansa
Deal found 9/7£566
Thu 2/1006:30LHR - ICN
1 stop16h 10mLOT
Wed 29/1009:20ICN - LHR
1 stop17h 00mLOT
Deal found 9/7£568

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 11 July 2025.
Use the filters below to find and compare flights from London to Seoul that are best for you.

Fly from

London

Fly to

Seoul

Route

Depart

Return

Price

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 24/10

20:25-13:05

1 stop32h 40m

Seoul Gimpo Intl

Sun 9/11

14:25-15:55

1 stop34h 30m

£502

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 4/10

21:00-12:25

1 stop31h 25m

Seoul Gimpo Intl

Mon 13/10

13:30-18:05

1 stop36h 35m

£506

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Wed 3/12

17:00-19:50

1 stop17h 50m

Seoul Gimpo Intl

Wed 24/12

12:00-06:30

1 stop27h 30m

£539

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 10/9

22:40-13:05

1 stop30h 25m

Seoul Gimpo Intl

Fri 7/11

13:45-17:55

1 stop37h 10m

£548

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Mon 1/9

12:00-15:25

1 stop19h 25m

Incheon Intl

Mon 15/9

12:00-10:30

3 stops30h 30m

£558

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 31/8

06:00-08:45

2 stops42h 45m

Incheon Intl

Mon 8/9

12:25-20:40

1 stop16h 15m

£559

LondonIncheon

STN - ICN

STNICN

London Stansted

Sun 31/8

07:25-11:35

2 stops20h 10m

Incheon Intl

Mon 15/9

16:20-15:00

2 stops30h 40m

£559

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 2/1

10:30-10:50

1 stop15h 20m

Incheon Intl

Sat 31/1

13:05-20:50

1 stop16h 45m

£561

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Tue 23/9

12:35-11:35

1 stop15h 00m

Incheon Intl

Sun 12/10

15:30-06:35

1 stop23h 05m

£561

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 2/9

21:00-22:10

1 stop17h 10m

Incheon Intl

Tue 9/9

09:25-18:05

1 stop16h 40m

£562

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 53 results
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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 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 £638). Flying from London to Seoul in July is currently the most expensive (average of £1,142). 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 11 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 28% 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. Saturday 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 11 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 11 July 2025.
See what other customers who have flown with ANA, KLM, andLOT 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.

Overall

8.4

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
8.4
Very Good

Overall

8.4

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Overall

8.4

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Overall

8.4

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Overall

8.4

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Overall

8.4

Crew

8.7

Comfort

8.2

Entertainment

7.9

Boarding

8.6

Food

7.7

Reviews

1 / 20
10.0
Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

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

    Air China, at £502, was found to be the cheapest airline from London to Seoul.Alternate airlines flying return to your destination include China Southern and Lufthansa. Users have found that Air China is 11% 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 £317 on Air China. Other airlines that offer cheap prices include China Eastern from £326 and Shenzhen Airlines from £331 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: Asiana Airlines (92%), Korean Air (88%), Virgin Atlantic( 88%).

  • What are the cheapest flights from London to Seoul?

    While on average a flight from London to Seoul is generally £1,955, our data shows the cheapest flight currently is £548. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay £416 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?

    Summer Palace, Forbidden City, and The Antiquarium of the Palace Museum are the most popular attractions in Beijing if you're in need of something to do during your stopover. Summer Palace, Forbidden City, and The Antiquarium of the Palace Museum can be visited by traveling about 17.3 mi, 15.1 mi, and 14.9 mi respectively from Beijing Capital.

  • What are some popular points of interest to see during a stopover in Shanghai?

    The majority of Shanghai visitors spend their time at Shanghai Disneyland, French Concession, and Shanghai Grand Theatre. Travellers on a stopover in Shanghai can visit Shanghai Disneyland, French Concession, and Shanghai Grand Theatre, by travelling 8.7 mi, 20.4 mi, and 20.6 mi, respectively after landing at Shanghai Pu Dong.

  • 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 Summer Palace, Forbidden City, or The Antiquarium of the Palace Museum. Summer Palace, Forbidden City, and The Antiquarium of the Palace Museum can be visited by travelling about 34.6 mi, 28.1 mi, and 28.2 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 £638). Flying from London to Seoul in July is currently the most expensive (average of £1,142). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 11 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£316Average£410FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£333Average£407FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£340Average£581FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£417Average£456FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
LufthansaCheapest£444Average£636FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£517Average£699FlexibilityNo cancel feeOn-time81%
Search LOT flights
Etihad AirwaysCheapest£535Average£692FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest£537Average£740FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£537Average£710FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Turkish AirlinesCheapest£537Average£666FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines 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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