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Cheap flights from Seoul to London from £162

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 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — LON
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Seoul to London are usually found in December or May, booked 90 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Seoul to London

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to London (LON). 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 13 June 2025.

Round-trip from

£396

One-way from

£162

Popular in

April

Cheapest in

December

Average price

£493

Good round-trip deal

£735 or less

Good one-way deal

£527 or less
China Eastern
  • China Eastern
  • 30/6-27/7
  • 2 total stops
  • 43h 00m total
  • Seoul to London
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China Southern
  • China Southern
  • 27/6
  • 1 total stop
  • 29h 15m total
  • Seoul to London
Search Deals
High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Seoul (SEL) to London (LON).
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Price to beat on a one-way flight from Seoul (SEL) to London (LON).
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Find flight deals from Seoul to London

Cheapest flights from Seoul to London
Explore the most affordable flight options available from Seoul to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Wed 18/614:25GMP - LGW
1 stop24h 10mAir China
Thu 26/612:35LGW - GMP
1 stop16h 30mAir China
Deal found 9/6£396
Mon 30/620:50GMP - LGW
1 stop26h 10mChina Eastern
Sun 13/719:00LGW - GMP
1 stop16h 50mChina Eastern
Deal found 11/6£397
Thu 12/620:50GMP - LHR
1 stop29h 50mChina Eastern
Sat 21/621:20LHR - GMP
1 stop29h 40mChina Eastern
Deal found 11/6£403
Wed 18/615:15ICN - LHR
1 stop35h 45mChina Southern
Thu 26/622:10LHR - ICN
1 stop33h 15mChina Southern
Deal found 9/6£425
Fri 13/608:55ICN - LHR
1 stop17h 45mChina Eastern
Thu 19/621:20LHR - ICN
1 stop30h 35mChina Eastern
Deal found 10/6£426
Tue 17/615:30ICN - LHR
1 stop37h 00mAir China
Fri 27/622:40LHR - ICN
1 stop31h 35mAir China
Deal found 10/6£428
Fri 13/608:55ICN - LGW
1 stop38h 05mChina Eastern
Tue 17/611:35LGW - ICN
1 stop16h 20mChina Eastern
Deal found 12/6£437
Tue 17/614:25GMP - LHR
1 stop35h 20mAir China
Tue 24/622:40LHR - GMP
1 stop30h 25mAir China
Deal found 11/6£439
Thu 26/612:55ICN - LGW
1 stop34h 15mMultiple Airlines
Mon 24/1110:30LGW - ICN
1 stop21h 55mMultiple Airlines
Deal found 11/6£441
Wed 11/601:35ICN - LHR
1 stop25h 10mMultiple Airlines
Tue 23/922:10LHR - ICN
1 stop33h 15mMultiple Airlines
Deal found 11/6£451
Wed 11/612:35ICN - STN
1 stop32h 55mMultiple Airlines
Sun 15/607:00STN - ICN
1 stop25h 10mMultiple Airlines
Deal found 10/6£453
Thu 26/615:15GMP - LGW
2 stops31h 55mMultiple Airlines
Mon 30/611:35LGW - GMP
2 stops19h 00mMultiple Airlines
Deal found 12/6£460

Cheapflights Fare Finder

Customise your flight search to find flights from Seoul 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 13 June 2025.
Use the filters below to find and compare flights from Seoul to London that are best for you.

Fly from

Seoul

Fly to

London

Route

Depart

Return

Price

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Mon 30/6

20:50-15:00

1 stop26h 10m

London Gatwick

Sun 27/7

19:00-19:50

1 stop16h 50m

£396

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 25/6

20:50-18:40

1 stop29h 50m

London Heathrow

Mon 30/6

21:20-11:00

1 stop29h 40m

£415

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 24/6

16:20-18:40

1 stop34h 20m

London Heathrow

Thu 17/7

21:20-17:25

1 stop36h 05m

£434

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Fri 27/6

14:30-15:00

1 stop32h 30m

London Gatwick

Tue 30/9

11:35-17:25

1 stop21h 50m

£439

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 3/7

09:25-18:05

1 stop16h 40m

London Heathrow

Tue 23/9

21:00-22:10

1 stop17h 10m

£440

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Thu 26/6

12:55-15:10

1 stop34h 15m

London Gatwick

Mon 24/11

10:30-17:25

1 stop21h 55m

£441

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 26/6

15:15-15:10

2 stops31h 55m

London Gatwick

Mon 30/6

11:35-14:35

2 stops19h 00m

£460

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 22/11

00:10-15:25

1 stop24h 15m

London Heathrow

Tue 25/11

10:25-22:10

1 stop26h 45m

£462

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 13/10

10:35-17:50

1 stop39h 15m

London Heathrow

Wed 22/10

22:00-21:30

1 stop39h 30m

£466

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Mon 23/6

21:15-18:30

1 stop29h 15m

London Gatwick

Fri 27/6

12:00-15:25

1 stop19h 25m

£467

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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

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

How far ahead should I book a flight from Seoul to London?

Use this chart to determine the optimal time to book a return flight from Seoul to London. Price data was last updated on 9 June 2025.

The price you pay for your flight from Seoul to London may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Seoul to London (average of £112). Flying from Seoul to London in August is currently the most expensive (average of £164). 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 SEL to LON?

Find hourly flight availability from Seoul 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 13 June 2025.

One of the essential ways to save on airfare from Seoul to London is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 32% on airfare.

What is the cheapest day to fly from Seoul to London?

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

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

Weekly flight availability from Seoul to London

Explore weekly flight availability from Seoul 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 13 June 2025.

The most flights from SEL 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).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 13 June 2025.
Peruse reviews from past customers who have flown with EVA Air, ANA and Emirates from Seoul to London to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,204 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very Good
882 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very Good
3,264 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
KLM
7.8
Good
1,358 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Thai Airways
7.7
Good
335 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Seoul to London. 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 Seoul to London round-trip?

    Cheapflights users have booked flights from Seoul to London round-trip from £396. Other airlines that can offer you cheap pricing are China Southern, from £440, and Malaysia Airlines, from £462. China Eastern is priced at 30% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with China Southern, which is currently one of the cheapest options available, starting at £162. Lufthansa flights start at £195 while deals on China Eastern start at £201 one-way.

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

    The most popular flight routes from Seoul to London are Incheon Intl - London Heathrow, Incheon Intl - London Gatwick and Incheon Intl - London City.

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

    The top 3 most reliable airlines when flying from Seoul to London are Virgin Atlantic (56%), Korean Air (45%) and Asiana Airlines (41%).

  • What are the cheapest flights from Seoul to London?

    Looking for the cheapest flight from Seoul to London? While on average our users pay £880, our data indicates the cheapest price to be £513. The most popular route (Incheon Intl - London Heathrow), is priced around £383.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seoul to London (average of £112). Flying from Seoul to London in August is currently the most expensive (average of £164). 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

Travelling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Deal
Hounslow
Croydon
Milton Keynes
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Dartford
Guildford

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.

Top 4 airlines flying from Seoul to London

Discover the top 4 airlines that operate flights from Seoul 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£349Average£534FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
FinnairCheapest£554Average£661FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Asiana AirlinesCheapest£653Average£792FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£663Average£838FlexibilityNo 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 Seoul to London?

When you search for this flight from Seoul to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Seoul to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seoul to London with no change fees?

Certainly. Search results for flights to London from Seoul shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Seoul to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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