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Cheap flights from Seoul to London from £170

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — LON
16 Jun — 23 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seoul to London are usually found in December or January, booked 90 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Seoul to London

Enter your travel dates to find the best prices.

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 17 May 2026.

Tue 2/620:50
GMP
-
LGW
1 stop26h 10m
China Eastern
Mon 8/611:35
LGW
-
GMP
1 stop24h 15m
China Eastern
Deal found 13/5£399
Thu 11/616:15
ICN
-
LGW
1 stop30h 45m
China Eastern
Fri 19/618:00
LGW
-
ICN
1 stop35h 30m
China Eastern
Deal found 13/5£427
Thu 4/618:25
ICN
-
LHR
1 stop32h 15m
China Eastern
Thu 11/621:20
LHR
-
ICN
1 stop33h 50m
China Eastern
Deal found 11/5£428
Wed 10/616:20
ICN
-
LGW
1 stop22h 20m
China Eastern
Tue 23/611:35
LGW
-
ICN
1 stop17h 55m
China Eastern
Deal found 12/5£428
Wed 10/614:30
ICN
-
LGW
1 stop24h 10m
China Eastern
Mon 22/618:00
LGW
-
ICN
1 stop35h 30m
China Eastern
Deal found 12/5£429
Thu 4/612:55
ICN
-
LGW
1 stop25h 45m
China Eastern
Mon 8/611:35
LGW
-
ICN
1 stop16h 20m
China Eastern
Deal found 13/5£430
Tue 9/616:20
ICN
-
LGW
1 stop22h 20m
China Eastern
Tue 23/611:35
LGW
-
ICN
1 stop17h 55m
China Eastern
Deal found 12/5£431
Wed 10/616:20
ICN
-
LGW
1 stop22h 20m
China Eastern
Thu 25/611:35
LGW
-
ICN
1 stop17h 55m
China Eastern
Deal found 12/5£431
Thu 11/616:20
ICN
-
LHR
1 stop34h 20m
China Eastern
Sun 14/621:20
LHR
-
ICN
1 stop30h 35m
China Eastern
Deal found 16/5£432
Wed 10/616:15
ICN
-
LGW
1 stop22h 25m
China Eastern
Wed 24/611:35
LGW
-
ICN
1 stop16h 20m
China Eastern
Deal found 12/5£433
Thu 11/618:25
ICN
-
LGW
1 stop28h 35m
China Eastern
Wed 24/611:35
LGW
-
ICN
1 stop16h 20m
China Eastern
Deal found 12/5£434
Wed 3/616:15
ICN
-
LGW
1 stop30h 45m
China Eastern
Mon 8/611:35
LGW
-
ICN
1 stop21h 50m
China Eastern
Deal found 13/5£434

Find 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 17 May 2026.

Round-trip from

£399

One-way from

£170

Popular in

October

Cheapest in

December

Average price

£615

Good round-trip deal

£703 or less

Good one-way deal

£437 or less
China Eastern
  • China Eastern
  • 2/6-8/6
  • 2 total stops
  • 50h 25m total
  • Seoul to London
Search Deals
China Eastern
  • China Eastern
  • 17/6
  • 1 total stop
  • 34h 20m total
  • Seoul to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Seoul (SEL) to London (LON).
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to London (LON).
Search Deals

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 17 May 2026.
Use the filters below to find and compare flights from Seoul to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Fri 5/6

08:55-11:00

2 stops34h 05m

London Luton

Sun 14/6

05:40-17:25

2 stops27h 45m

£491

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Thu 16/7

16:20-18:05

2 stops33h 45m

London Luton

Tue 21/7

05:40-11:55

2 stops46h 15m

£492

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Sun 7/6

20:50-15:00

1 stop26h 10m

London Gatwick

Sat 13/6

11:35-19:50

1 stop24h 15m

£522

IncheonLondon

ICN - SEN

ICNSEN

Incheon Intl

Thu 4/6

16:15-14:00

2 stops29h 45m

London Southend

Mon 8/6

07:50-17:25

2 stops25h 35m

£528

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Thu 4/6

16:15-06:40

1 stop22h 25m

London Gatwick

Fri 5/6

18:00-11:55

1 stop33h 55m

£554
Fastest return journey

IncheonLondon

ICN - LCY

ICNLCY

Incheon Intl

Wed 27/5

09:30-17:25

1 stop15h 55m

London City

Tue 9/6

09:15-07:30

1 stop14h 15m

£565

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 3/9

14:25-06:35

1 stop24h 10m

London Gatwick

Tue 8/9

12:35-13:05

1 stop16h 30m

£576

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 4/11

14:25-15:55

1 stop34h 30m

London Heathrow

Sat 14/11

20:25-13:05

1 stop31h 40m

£588

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 21/8

17:45-12:45

1 stop27h 00m

London Heathrow

Mon 7/9

21:45-10:50

1 stop29h 05m

£591

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Fri 21/8

18:25-15:00

1 stop28h 35m

London Gatwick

Mon 7/9

11:35-15:10

1 stop19h 35m

£592

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

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?

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 21 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, April is the cheapest month in which you can book a flight from Seoul to London (average of £134). Flying from Seoul to London in February is currently the most expensive (average of £2,566). 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 17 May 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seoul to London as you normally would.

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 17 May 2026.

The most flights from SEL to LON 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 Seoul to London?

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

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

Shanghai (PVG) – chosen by Cheapflights users on 21% of one-stop itineraries from Seoul to London on Cheapflights.

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

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

Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of £400.

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

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

Flights via Beijing (PEK) have the shortest average one-way travel time for one-stop routes: 14h 05m.

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

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

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 28m.

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 May 2026.
Check out reviews from past customers who have flown with Asiana Airlines,Virgin Atlantic, andChina Eastern from Seoul to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.1
Very Good
534 reviews
Check prices

Crew

8.5

Boarding

8.3

Entertainment

7.6

Comfort

8.0

Overall

8.1

Food

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only
Asiana Airlines
8.1
Very Good
534 reviews
Asiana Airlines
8.1
Very Good
534 reviews
Check prices

Crew

8.5

Boarding

8.3

Entertainment

7.6

Comfort

8.0

Overall

8.1

Food

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only
Virgin Atlantic
7.4
Good
688 reviews
Asiana Airlines
8.1
Very Good
534 reviews
Check prices

Crew

8.5

Boarding

8.3

Entertainment

7.6

Comfort

8.0

Overall

8.1

Food

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only
China Eastern
7.3
Good
211 reviews
Asiana Airlines
8.1
Very Good
534 reviews
Check prices

Crew

8.5

Boarding

8.3

Entertainment

7.6

Comfort

8.0

Overall

8.1

Food

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

NRT - ICN

More restrooms in business it’s a large section with 2 only

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.

  • How long is the flight from Seoul to London?

    China Eastern, SWISS, and Air China can get you from Seoul to London in just under 15h 55m. Your travel time can differ by up to 8h 15m. The distance between Seoul and London is about 5487 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Seoul to London round-trip from £443. Other airlines that can offer you cheap pricing are Asiana Airlines, from £484, and Virgin Atlantic, from £496. Air China is priced at 27% 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 Eastern, which is currently one of the cheapest options available, starting at £120. Air China flights start at £132 while deals on Etihad Airways start at £234 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 Stansted.

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

    The top 3 most reliable airlines when flying from Seoul to London are Asiana Airlines (89%), Virgin Atlantic (81%) and Korean Air (69%).

  • What are the cheapest flights from Seoul to London?

    Looking for the cheapest flight from Seoul to London? While on average our users pay £676, our data indicates the cheapest price to be £400. The most popular route (Incheon Intl - London Heathrow), is priced around £452.

  • 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, April is the cheapest month in which you can book a flight from Seoul to London (average of £134). Flying from Seoul to London in February is currently the most expensive (average of £2,566). 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 London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Hounslow
Croydon
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Southall
Chelmsford

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 17 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£443Average£580FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£484Average£556FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Virgin AtlanticCheapest£496Average£698FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Korean AirCheapest£622Average£827FlexibilityNo 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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