Cheap flights from London to Incheon Intl Airport from £288

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ICN
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London to Incheon Intl are usually found in November or February, booked 12 days in advance, depart on a Tuesday or Monday and return on a Thursday

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 12 September 2025.

Round-trip from

£390

One-way from

£288

Popular in

July

Cheapest in

November

Average price

£641

Good round-trip deal

£845 or less

Good one-way deal

£545 or less
China Eastern
  • China Eastern
  • 3/10-12/10
  • 2 total stops
  • 54h 00m total
  • London to Incheon
Air China
  • Air China
  • 22/9
  • 1 total stop
  • 33h 55m total
  • London to Incheon
Highest demand for flights based on searches. 16% potential increase in price (£88 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 September 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.

Find flight deals from London to Incheon Intl

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 12 September 2025.

Fri 3/1011:35LGW - ICN
1 stop19h 45mChina Eastern
Sun 12/1012:55ICN - LGW
1 stop34h 15mChina Eastern
Deal found 10/9£390
Tue 23/921:20LHR - ICN
1 stop34h 00mChina Eastern
Thu 9/1020:15ICN - LHR
2 stops30h 25mChina Eastern
Deal found 9/9£391
Fri 3/1012:00LGW - ICN
1 stop25h 50mChina Southern
Mon 13/1021:15ICN - LGW
1 stop29h 15mChina Southern
Deal found 10/9£391
Sun 2/1117:00LGW - ICN
1 stop15h 25mChina Eastern
Sat 29/1118:25ICN - LGW
1 stop28h 35mChina Eastern
Deal found 10/9£391
Mon 13/1021:20LHR - ICN
1 stop34h 00mChina Eastern
Wed 22/1016:20ICN - LHR
1 stop34h 20mChina Eastern
Deal found 11/9£392
Sun 2/1110:30LGW - ICN
1 stop19h 50mChina Eastern
Sat 8/1116:20ICN - LGW
1 stop30h 40mChina Eastern
Deal found 11/9£392
Mon 13/1021:20LHR - ICN
1 stop32h 10mChina Eastern
Thu 4/1218:25ICN - LHR
1 stop32h 05mChina Eastern
Deal found 10/9£393
Mon 13/1018:05LGW - ICN
1 stop35h 25mChina Eastern
Sun 26/1016:20ICN - LGW
1 stop23h 10mChina Eastern
Deal found 10/9£393
Fri 7/1110:30LGW - ICN
1 stop19h 35mChina Eastern
Mon 24/1118:25ICN - LGW
1 stop21h 05mChina Eastern
Deal found 10/9£394
Tue 11/1121:30LHR - ICN
1 stop15h 55mChina Southern
Wed 26/1109:25ICN - LHR
1 stop17h 30mChina Southern
Deal found 10/9£394
Sun 2/1110:30LGW - ICN
1 stop19h 50mChina Eastern
Sun 16/1116:20ICN - LGW
1 stop23h 10mChina Eastern
Deal found 9/9£394
Wed 29/1021:00LHR - ICN
2 stops29h 15mChina Eastern
Sun 9/1112:15ICN - LHR
2 stops38h 15mChina Eastern
Deal found 10/9£395

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 12 September 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

LHR - ICN

LHRICN

London Heathrow

Fri 7/11

21:10-13:55

1 stop31h 45m

Incheon Intl

Sun 23/11

14:55-19:10

1 stop37h 15m

£461

LondonIncheon

LTN - ICN

LTNICN

London Luton

Thu 6/11

09:15-21:55

2 stops27h 40m

Incheon Intl

Mon 17/11

11:10-21:05

2 stops18h 55m

£503

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 24/10

22:05-15:45

1 stop33h 40m

Incheon Intl

Sat 8/11

14:55-19:10

1 stop37h 15m

£505

LondonIncheon

LTN - ICN

LTNICN

London Luton

Mon 20/10

07:15-12:55

2 stops21h 40m

Incheon Intl

Sun 2/11

14:55-14:00

2 stops32h 05m

£510

LondonIncheon

LTN - ICN

LTNICN

London Luton

Wed 29/10

20:05-12:55

2 stops31h 50m

Incheon Intl

Sun 9/11

14:55-14:00

2 stops32h 05m

£529

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Tue 16/9

11:35-14:55

2 stops19h 20m

Incheon Intl

Fri 19/9

12:35-08:30

1 stop27h 55m

£546

LondonIncheon

LTN - ICN

LTNICN

London Luton

Sun 9/11

20:05-11:55

2 stops30h 50m

Incheon Intl

Sun 23/11

14:50-14:00

3 stops32h 10m

£546

LondonIncheon

LTN - ICN

LTNICN

London Luton

Thu 30/10

20:05-15:20

3 stops34h 15m

Incheon Intl

Fri 7/11

11:10-21:05

2 stops18h 55m

£557

LondonIncheon

LTN - ICN

LTNICN

London Luton

Mon 3/11

14:55-11:00

3 stops35h 05m

Incheon Intl

Fri 7/11

08:55-21:20

2 stops21h 25m

£561

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 10/12

15:45-16:55

1 stop16h 10m

Incheon Intl

Fri 9/1

23:05-12:05

1 stop22h 00m

£563

Flights are sorted by cheapest return flights first.

Deals found on 9/9

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 29 August 2025.

The best time to book flights from London to Incheon Intl Airport is 12 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 £635). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £1,181). 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 12 September 2025.

It’s optimal to fly from London to Incheon Intl Airport at midday. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the afternoon.

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 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 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 12 September 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).

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 33% 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.

Zhengzhou (CGO) is the most affordable one-stop option, with an average return flight price of £327.

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: 15h 00m.

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 59m.

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 12 September 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.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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.

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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 16h 10m. Fly via Shenzhen Airlines, KLM, or Turkish Airlines to get the fastest option. Airlines will cover a distance of 5503 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 £302. Other airlines that can offer you cheap pricing are China Southern, from £327, and Air China, from £343. These flights start at 50% 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 £288. Users have also found prices from £295 and £305 on Air China 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 (92%), Virgin Atlantic (92%) or Asiana Airlines (88%) 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 £2,388, our data shows the cheapest flight currently is £508. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay £333 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 £635). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £1,181). 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 12 September 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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£302Average£444FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£327Average£602FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£343Average£491FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£419Average£460FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
LufthansaCheapest£431Average£628FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£518Average£715FlexibilityNo cancel feeOn-time81%
Search LOT flights
Etihad AirwaysCheapest£534Average£675FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest£538Average£744FlexibilityNo cancel feeOn-time77%
Search Air France flights
Turkish AirlinesCheapest£539Average£688FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
FinnairCheapest£542Average£718FlexibilityNo 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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