Cheap flights from London to Incheon Intl Airport from £257

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ICN
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London to Incheon Intl are usually found in November or February, booked 70 days in advance, depart on a Tuesday or Monday and return on a Thursday

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Cheapest flights from London to Incheon Intl
Explore the most affordable flight options available from London to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2025.

Sun 30/1117:00LGW - ICN
1 stop33h 55mMultiple Airlines
Sat 6/1218:25ICN - LGW
1 stop28h 35mMultiple Airlines
Deal found 13/10£380
Mon 1/1210:30LGW - ICN
1 stop16h 25mMultiple Airlines
Sat 13/1217:50ICN - LGW
1 stop20h 45mMultiple Airlines
Deal found 13/10£381
Tue 2/1210:30LGW - ICN
1 stop16h 25mMultiple Airlines
Sat 13/1217:50ICN - LGW
1 stop20h 45mMultiple Airlines
Deal found 13/10£382
Tue 4/1121:30LHR - ICN
1 stop15h 45mChina Southern
Sun 30/1114:50ICN - LHR
1 stop36h 45mChina Southern
Deal found 13/10£382
Fri 5/1210:30LGW - ICN
1 stop19h 35mMultiple Airlines
Thu 22/118:25ICN - LGW
1 stop28h 35mMultiple Airlines
Deal found 13/10£382
Mon 3/1117:40LHR - ICN
1 stop19h 15mAir China
Mon 1/1213:10ICN - LHR
1 stop35h 45mAir China
Deal found 14/10£383
Thu 4/1210:30LGW - ICN
1 stop16h 25mMultiple Airlines
Tue 16/1217:50ICN - LGW
1 stop20h 45mMultiple Airlines
Deal found 13/10£383
Fri 28/1107:30STN - ICN
3 stops22h 10mMultiple Airlines
Fri 5/1216:40ICN - STN
3 stops32h 55mMultiple Airlines
Deal found 14/10£384
Mon 10/1117:40LHR - ICN
1 stop13h 55mAir China
Mon 24/1117:50ICN - LHR
1 stop33h 00mAir China
Deal found 14/10£384
Mon 10/1110:30LGW - ICN
1 stop19h 50mMultiple Airlines
Fri 28/1122:45ICN - LGW
1 stop27h 35mMultiple Airlines
Deal found 14/10£384
Wed 26/1110:30LGW - ICN
1 stop16h 25mChina Eastern
Wed 14/116:20ICN - LGW
1 stop30h 40mChina Eastern
Deal found 13/10£385
Tue 11/1117:40LHR - ICN
1 stop13h 55mAir China
Mon 24/1117:50ICN - LHR
1 stop33h 00mAir China
Deal found 14/10£385

Cheap flight deals from London to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Incheon Intl (ICN). 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 15 October 2025.

Round-trip from

£380

One-way from

£257

Popular in

July

Cheapest in

November

Average price

£657

Good round-trip deal

£876 or less

Good one-way deal

£510 or less
12/12-18/12
  • 12/12-18/12
  • 5 total stops
  • 55h 25m total
  • London to Incheon
4/12
  • 4/12
  • 3 total stops
  • 32h 50m total
  • London to Incheon
Highest demand for flights based on searches. 16% potential increase in price (£94 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from London (LON) to Incheon Intl.
Price to beat on a one-way flight from London (LON) to Incheon Intl.

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Incheon Intl 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 15 October 2025.
Use the filters below to find and compare flights from London to Incheon Intl Airport that are best for you.

Fly from

London

Fly to

Incheon Intl

Route

Depart

Return

Price

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sat 29/11

20:20-21:45

1 stop16h 25m

Incheon Intl

Sat 6/12

16:40-06:30

2 stops22h 50m

£418

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 3/3

07:40-11:15

1 stop18h 35m

Incheon Intl

Fri 20/3

13:30-21:00

1 stop16h 30m

£431

LondonIncheon

LTN - ICN

LTNICN

London Luton

Tue 11/11

09:25-20:45

2 stops26h 20m

Incheon Intl

Tue 25/11

13:10-14:00

3 stops33h 50m

£479

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/3

07:40-10:50

2 stops18h 10m

Incheon Intl

Sun 8/3

13:05-08:05

2 stops28h 00m

£484

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 4/12

08:45-11:15

1 stop17h 30m

Incheon Intl

Sun 14/12

13:05-08:05

2 stops28h 00m

£490

LondonIncheon

STN - ICN

STNICN

London Stansted

Sat 29/11

06:00-20:40

3 stops29h 40m

Incheon Intl

Sat 6/12

15:40-11:00

3 stops28h 20m

£496

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 15/1

10:35-19:00

2 stops23h 25m

Incheon Intl

Fri 30/1

23:45-16:00

1 stop25h 15m

£503

LondonIncheon

STN - ICN

STNICN

London Stansted

Tue 4/11

07:30-15:05

2 stops22h 35m

Incheon Intl

Sun 9/11

16:20-18:25

2 stops35h 05m

£521

LondonIncheon

LTN - ICN

LTNICN

London Luton

Tue 4/11

09:00-21:55

2 stops27h 55m

Incheon Intl

Tue 11/11

14:55-14:00

2 stops32h 05m

£521

LondonIncheon

LTN - ICN

LTNICN

London Luton

Wed 12/11

09:15-20:45

2 stops26h 30m

Incheon Intl

Sat 22/11

15:40-14:00

3 stops31h 20m

£524

Flights are sorted by cheapest return flights first.

Deals found on 13/10

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

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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 Incheon Intl Airport

How far ahead should I book a flight from London to Incheon Intl Airport?

Use this chart to determine the optimal time to book a return flight from London to Incheon Intl. Price data was last updated on 10 October 2025.

The best time to book flights from London to Incheon Intl Airport is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London to Incheon Intl Airport?

Currently, November is the cheapest month in which you can book a flight from London to Incheon Intl Airport (average of £273). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £633). 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 ICN?

Find hourly flight availability from London to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 October 2025.

It’s optimal to fly from London to Incheon Intl Airport in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at midday.

What is the cheapest day to fly from London to Incheon Intl Airport?

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

Travellers seeking maximum savings on their London to Incheon Intl Airport flight should consider departing on Sunday evenings 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 London to Incheon Intl Airport

Explore weekly flight availability from London to Incheon Intl. 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 15 October 2025.

The most flights from LON to ICN 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 Incheon Intl Airport?

What’s the top stopover airport for flights from London to Incheon Intl Airport?

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

Beijing (PEK) – chosen by Cheapflights users on 32% of one-stop itineraries from London to Incheon Intl Airport on Cheapflights.

What’s the cheapest stopover airport for flights from London to Incheon Intl Airport?

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

Beijing (PKX) is the most affordable one-stop option, with an average return flight price of £348.

What’s the fastest stopover option from London to Incheon Intl Airport?

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

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for one-stop routes: 14h 58m.

Which airport typically offers the quickest stopover for flights from London to Incheon Intl Airport?

Average stopover duration for one-stop one-way flights from London to Incheon Intl Airport, 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 58m.

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated 15 October 2025.
See what other customers who have flown with Korean Air, Asiana Airlines, andChina Southern from London to Incheon Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

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.

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

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.

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

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.

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

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.

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

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.

Boarding

8.5

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

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 Incheon Intl. 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 Incheon Intl Airport?

    There are many flights that can get you from London to Incheon Intl Airport in 14h 05m. Fly via Lufthansa, Scandinavian Airlines, or KLM to get the fastest option. Airlines will cover a distance of 5487 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from London to Incheon Intl Airport round-trip?

    Cheapflights users have booked flights from London to Incheon Intl Airport round-trip from £307. Other airlines that can offer you cheap pricing are China Southern, from £333, and Air China, from £371. These flights start at 51% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from London to Incheon Intl Airport one-way?

    For one-way options, check prices for China Eastern. According to our data, you can fly for as low as £265. Users have also found prices from £292 and £306 on Hainan Airlines and Tianjin Airlines, respectively.

  • What are the most popular routes from London to Incheon Intl Airport?

  • What are the most reliable airlines from London to Incheon Intl Airport?

    Consider Korean Air (90%), Virgin Atlantic (90%) or Asiana Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from London to Incheon Intl Airport.

  • What are the cheapest flights from London to Incheon Intl Airport?

    While on average a flight from London to Incheon Intl Airport is generally £2,143, our data shows the cheapest flight currently is £470. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay £325 for that flight.

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

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

  • How can I find direct flights from London to Incheon Intl?

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

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

    Yes. Cheapflights offers flight deals from London to Incheon Intl 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 Incheon Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from London to Incheon Intl Airport (average of £273). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £633). 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 Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Daejeon
Seongnam

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Fly from London to Incheon Intl on these airlines

Choose from the following airlines for your flight from London to Incheon Intl. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2025.

Top 10 airlines flying from London to Incheon Intl

Discover the top 10 airlines that operate flights from London to Incheon Intl. 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 15 October 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£307Average£455FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£333Average£618FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£371Average£521FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£426Average£468FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
LufthansaCheapest£435Average£638FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£513Average£731FlexibilityNo cancel feeOn-time81%
Search LOT flights
Etihad AirwaysCheapest£543Average£673FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest£548Average£701FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air FranceCheapest£554Average£702FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£560Average£754FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Incheon Intl?

When you search for this flight from London to Incheon Intl, 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 London to Incheon Intl?

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

Need flexible booking options for your flight to Incheon Intl from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Incheon Intl from London today and book when prices fit your budget.

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