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Cheap flights from London to Incheon Intl Airport from £279

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ICN
17 Apr — 24 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Incheon Intl are usually found in November or January, booked 76 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap flight deals from London to Incheon Intl

Enter your travel dates to find the best prices.

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 18 March 2026.

Sat 16/522:05
LHR
-
ICN
1 stop34h 40m
Shenzhen Airlines
Sat 23/515:15
ICN
-
LHR
1 stop36h 45m
Shenzhen Airlines
Deal found 16/3£421
Sat 11/420:25
LHR
-
ICN
1 stop17h 35m
Air China
Sun 10/510:50
ICN
-
LHR
1 stop17h 35m
Air China
Deal found 16/3£423
Wed 3/611:35
LGW
-
ICN
1 stop19h 45m
China Eastern
Mon 13/708:55
ICN
-
LGW
1 stop38h 05m
China Eastern
Deal found 17/3£423
Tue 5/522:00
LHR
-
ICN
1 stop30h 55m
Air China
Tue 19/510:50
ICN
-
LHR
1 stop17h 35m
Air China
Deal found 15/3£425
Wed 13/518:00
LGW
-
ICN
1 stop15h 25m
Multiple Airlines
Mon 25/516:15
ICN
-
LGW
1 stop30h 45m
Multiple Airlines
Deal found 16/3£425
Fri 8/511:35
LGW
-
ICN
2 stops25h 05m
China Eastern
Sat 16/516:35
ICN
-
LGW
2 stops30h 25m
China Eastern
Deal found 14/3£425
Wed 22/422:40
LHR
-
ICN
1 stop15h 20m
Air China
Sun 3/510:50
ICN
-
LHR
1 stop17h 35m
Air China
Deal found 14/3£427
Mon 18/518:00
LGW
-
ICN
2 stops18h 40m
China Eastern
Wed 27/520:15
ICN
-
LGW
2 stops26h 45m
China Eastern
Deal found 13/3£427
Sat 11/420:25
LHR
-
ICN
1 stop17h 35m
Air China
Mon 11/510:50
ICN
-
LHR
1 stop17h 35m
Air China
Deal found 15/3£428
Sun 3/520:25
LHR
-
ICN
1 stop17h 35m
Air China
Mon 11/510:50
ICN
-
LHR
1 stop17h 35m
Air China
Deal found 14/3£429
Wed 8/411:35
LGW
-
ICN
1 stop25h 10m
China Eastern
Sun 3/516:20
ICN
-
LGW
1 stop30h 40m
China Eastern
Deal found 14/3£429
Tue 19/520:25
LHR
-
ICN
1 stop17h 35m
Air China
Mon 6/714:55
ICN
-
LHR
1 stop37h 20m
Air China
Deal found 17/3£430

Find 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 18 March 2026.

Round-trip from

£421

One-way from

£279

Popular in

August

Cheapest in

November

Average price

£712

Good round-trip deal

£639 or less

Good one-way deal

£479 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 16/5-23/5
  • 2 total stops
  • 71h 25m total
  • London to Incheon
Search Deals
10/6
  • 10/6
  • 3 total stops
  • 37h 25m total
  • London to Incheon
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Incheon Intl.
Search Deals
Price to beat on a one-way flight from London (LON) to Incheon Intl.
Search Deals

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 18 March 2026.
Use the filters below to find and compare flights from London to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Wed 22/4

11:35-20:45

1 stop25h 10m

Incheon Intl

Sat 2/5

16:15-15:00

1 stop30h 45m

£496

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 8/9

21:45-10:40

1 stop28h 55m

Incheon Intl

Sun 13/9

12:20-19:00

1 stop38h 40m

£554

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Fri 12/6

18:00-20:40

2 stops18h 40m

Incheon Intl

Fri 19/6

15:50-06:40

2 stops22h 50m

£608

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sat 16/5

18:00-11:55

1 stop33h 55m

Incheon Intl

Tue 19/5

11:55-15:00

2 stops35h 05m

£620

LondonIncheon

LTN - ICN

LTNICN

London Luton

Mon 1/6

19:55-11:35

2 stops31h 40m

Incheon Intl

Wed 8/7

11:05-21:45

1 stop18h 40m

£627

LondonIncheon

LTN - ICN

LTNICN

London Luton

Wed 3/6

08:00-21:50

2 stops29h 50m

Incheon Intl

Wed 8/7

11:05-21:45

1 stop18h 40m

£630

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 17/5

16:35-13:20

Nonstop12h 45m

Incheon Intl

Wed 20/5

07:50-14:20

Nonstop14h 30m

£633

LondonIncheon

LTN - ICN

LTNICN

London Luton

Tue 12/5

16:10-22:00

2 stops21h 50m

Incheon Intl

Sat 12/9

05:45-19:15

2 stops21h 30m

£643

LondonIncheon

LTN - ICN

LTNICN

London Luton

Wed 3/6

08:00-21:50

2 stops29h 50m

Incheon Intl

Mon 13/7

11:05-23:20

1 stop20h 15m

£644

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 18/8

09:30-10:50

1 stop17h 20m

Incheon Intl

Wed 9/9

01:35-18:45

1 stop25h 10m

£646

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 13 March 2026.

The best time to book flights from London to Incheon Intl Airport is 76 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 £599). 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 18 March 2026.

It’s optimal to fly from London to Incheon Intl Airport at midday. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the evening.

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 18 March 2026.

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 28% 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.

Chengdu (TFU) is the most affordable one-stop option, with an average return flight price of £450.

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 Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 14h 50m.

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 Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 43m.

How often are flights from London to Incheon delayed?

About 12% of weekly flights between London and Incheon have experienced delays in the past year, with the average delay time being 116 minutes.

What is the most punctual flight time for London to Incheon flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Incheon flights?

Over the past year, Asiana Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.

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 18 March 2026.
See what other customers who have flown with Korean Air,Asiana Airlines, andVirgin Atlantic 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.
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

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.
Korean Air
8.4
Very Good
1,202 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

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.
Asiana Airlines
8.1
Very Good
507 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

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.
Virgin Atlantic
7.5
Good
682 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

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.
Air China
7.3
Good
142 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

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.
Lufthansa
6.8
Okay
7,858 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

Crew

8.7

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 12h 45m. Fly via China Eastern, Air India, or Asiana 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 £305. Other airlines that can offer you cheap pricing are Turkish Airlines, from £330, and Air China, from £346. These flights start at 53% 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 £219. Users have also found prices from £253 and £256 on China Southern and Air China, respectively.

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

    The most popular route from London to Incheon Intl Airport is London Heathrow - Incheon Intl. You may also consider London Gatwick - Incheon Intl or London Stansted - Incheon Intl.

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

    Consider Korean Air (98%), Virgin Atlantic (95%) or Asiana Airlines (82%) 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 £1,283, our data shows the cheapest flight currently is £438. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay £435 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 £599). 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 18 March 2026.
Asiana Airlines flights from London to Incheon Intl
Lufthansa flights from London to Incheon Intl
Korean Air flights from London to Incheon Intl
LOT flights from London to Incheon Intl

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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£305Average£390FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest£330Average£669FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air ChinaCheapest£346Average£482FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£347Average£612FlexibilityNo cancel feeOn-time69%
Search China Southern flights
LufthansaCheapest£424Average£608FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£460Average£669FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air FranceCheapest£494Average£683FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest£513Average£700FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
KLMCheapest£517Average£777FlexibilityNo cancel feeOn-time75%
Search KLM flights
LOTCheapest£556Average£788FlexibilityNo cancel feeOn-time81%
Search LOT 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 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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Incheon Intl for you. Better yet — we are completely free to use.

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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