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Cheap flights from London to Incheon Intl Airport from £278

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ICN
27 Apr — 4 May1
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 28 March 2026.

Wed 3/621:20
LHR
-
ICN
2 stops30h 50m
China Eastern
Wed 10/620:15
ICN
-
LHR
2 stops30h 25m
China Eastern
Deal found 23/3£421
Wed 13/507:25
STN
-
ICN
3 stops27h 15m
Multiple Airlines
Tue 26/514:15
ICN
-
STN
3 stops34h 25m
Multiple Airlines
Deal found 24/3£430
Wed 6/518:00
LGW
-
ICN
1 stop35h 30m
China Eastern
Thu 14/512:55
ICN
-
LGW
1 stop25h 45m
China Eastern
Deal found 24/3£434
Sun 26/411:35
LGW
-
ICN
2 stops19h 20m
China Eastern
Wed 13/514:15
ICN
-
LGW
2 stops32h 45m
China Eastern
Deal found 27/3£436
Fri 5/611:35
LGW
-
ICN
2 stops19h 20m
China Eastern
Sat 13/613:10
ICN
-
LGW
2 stops33h 50m
China Eastern
Deal found 24/3£437
Mon 14/918:00
LGW
-
ICN
2 stops18h 40m
China Eastern
Sun 25/1016:40
ICN
-
LGW
2 stops22h 50m
China Eastern
Deal found 27/3£437
Tue 15/921:20
LHR
-
ICN
2 stops29h 40m
China Eastern
Sat 17/1015:55
ICN
-
LHR
2 stops34h 45m
China Eastern
Deal found 24/3£438
Sun 26/411:35
LGW
-
ICN
2 stops19h 20m
China Eastern
Mon 11/518:25
ICN
-
LGW
1 stop28h 35m
China Eastern
Deal found 25/3£438
Fri 17/411:35
LGW
-
ICN
1 stop25h 10m
China Eastern
Fri 8/520:15
ICN
-
LGW
2 stops26h 45m
China Eastern
Deal found 23/3£440
Thu 16/418:00
LGW
-
ICN
1 stop18h 45m
China Eastern
Wed 13/516:35
ICN
-
LGW
2 stops30h 25m
China Eastern
Deal found 25/3£440
Fri 5/607:15
STN
-
ICN
3 stops24h 05m
Multiple Airlines
Sun 14/618:25
ICN
-
STN
2 stops28h 25m
Multiple Airlines
Deal found 24/3£443
Wed 27/511:35
LGW
-
ICN
2 stops19h 20m
China Eastern
Wed 10/614:15
ICN
-
LGW
2 stops32h 45m
China Eastern
Deal found 28/3£444

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 28 March 2026.

Round-trip from

£421

One-way from

£278

Popular in

August

Cheapest in

November

Average price

£715

Good round-trip deal

£648 or less

Good one-way deal

£493 or less
China Eastern
  • China Eastern
  • 3/6-10/6
  • 4 total stops
  • 61h 15m total
  • London to Incheon
Search Deals
China Eastern
  • China Eastern
  • 19/4
  • 1 total stop
  • 19h 35m total
  • London to Incheon
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£83 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 28 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

Sun 12/4

11:35-15:10

1 stop19h 35m

Incheon Intl

Tue 12/5

12:55-15:00

1 stop34h 05m

£500

LondonIncheon

SEN - ICN

SENICN

London Southend

Mon 27/4

20:05-10:50

2 stops30h 45m

Incheon Intl

Mon 4/5

17:50-11:20

2 stops25h 30m

£568

LondonIncheon

LTN - ICN

LTNICN

London Luton

Sun 3/5

05:40-10:50

2 stops21h 10m

Incheon Intl

Mon 11/5

17:50-11:00

2 stops25h 10m

£574

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Fri 17/4

11:35-20:45

1 stop25h 10m

Incheon Intl

Thu 14/5

18:25-06:40

1 stop20h 15m

£600

LondonIncheon

LTN - ICN

LTNICN

London Luton

Thu 4/6

07:00-14:55

3 stops23h 55m

Incheon Intl

Tue 9/6

16:35-12:05

3 stops27h 30m

£604

LondonIncheon

LTN - ICN

LTNICN

London Luton

Wed 6/5

19:55-05:55

2 stops26h 00m

Incheon Intl

Thu 21/5

14:50-13:45

2 stops30h 55m

£608

LondonIncheon

LTN - ICN

LTNICN

London Luton

Fri 29/5

07:30-15:35

3 stops24h 05m

Incheon Intl

Thu 4/6

00:15-23:15

2 stops31h 00m

£640

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sun 17/5

11:35-22:45

2 stops27h 10m

Incheon Intl

Wed 20/5

16:20-15:00

1 stop30h 40m

£668

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Fri 11/9

11:35-14:50

2 stops43h 15m

Incheon Intl

Fri 9/10

15:50-06:40

2 stops46h 50m

£672

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Fri 10/4

11:35-20:45

1 stop25h 10m

Incheon Intl

Mon 11/5

18:25-06:40

1 stop20h 15m

£701

Flights are sorted by cheapest return flights first.

Deals found on 28/3

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 £274). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £602). 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 28 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.

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 29% 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 £453.

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 11% of weekly flights between London and Incheon have experienced delays in the past year, with the average delay time being 119 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 28 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
1,203 reviews
Check prices

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

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
1,203 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

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
1,203 reviews
Check prices

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

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
685 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

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
144 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

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
7,872 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

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 19h 35m. Fly via China Eastern, Shenzhen Airlines, or Scandinavian Airlines to get the fastest option. Airlines will cover a distance of 5512 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 £251. Other airlines that can offer you cheap pricing are Turkish Airlines, from £332, and Air China, from £348. These flights start at 61% 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 £220. Users have also found prices from £254 and £258 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 £1,326, our data shows the cheapest flight currently is £440. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay £448 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 £274). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £602). 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 28 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 28 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£251Average£391FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest£332Average£674FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air ChinaCheapest£348Average£482FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£369Average£521FlexibilityNo cancel feeOn-time69%
Search China Southern flights
LufthansaCheapest£427Average£613FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£462Average£602FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air FranceCheapest£496Average£687FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest£509Average£713FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
KLMCheapest£520Average£781FlexibilityNo cancel feeOn-time75%
Search KLM flights
LOTCheapest£563Average£795FlexibilityNo 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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