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Cheap flights from London to Incheon Intl Airport from £243

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ICN
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Incheon Intl are usually found in November or February, booked 42 days in advance, depart on a Tuesday or Wednesday 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 12 December 2025.

Wed 31/1219:45LHR - ICN
1 stop39h 35mMultiple Airlines
Tue 20/116:10ICN - LHR
1 stop34h 20mMultiple Airlines
Deal found 10/12£418
Thu 25/1221:30LHR - ICN
1 stop15h 45mMultiple Airlines
Sun 28/1214:50ICN - LHR
1 stop34h 05mMultiple Airlines
Deal found 10/12£505
Wed 31/1214:50LGW - ICN
2 stops35h 35mMultiple Airlines
Tue 20/112:55ICN - LGW
1 stop34h 05mMultiple Airlines
Deal found 10/12£513
Wed 31/1217:00LGW - ICN
1 stop33h 55mChina Eastern
Tue 20/112:55ICN - LGW
1 stop26h 35mChina Eastern
Deal found 10/12£515
Sun 14/1208:30LGW - ICN
1 stop22h 35mMultiple Airlines
Tue 16/1214:50ICN - LGW
1 stop23h 45mMultiple Airlines
Deal found 10/12£533
Tue 30/1220:20LGW - ICN
1 stop16h 25mMultiple Airlines
Tue 13/116:10ICN - LGW
1 stop30h 50mMultiple Airlines
Deal found 10/12£542
Fri 12/1207:30STN - ICN
3 stops28h 10mMultiple Airlines
Tue 16/1208:55ICN - STN
2 stops32h 10mMultiple Airlines
Deal found 10/12£553
Sat 13/1206:10LGW - ICN
2 stops24h 55mMultiple Airlines
Wed 17/1216:10ICN - LGW
1 stop23h 20mMultiple Airlines
Deal found 11/12£566
Wed 24/1206:35LGW - ICN
1 stop24h 30mMultiple Airlines
Fri 26/1208:55ICN - LGW
1 stop38h 05mMultiple Airlines
Deal found 11/12£574
Sun 14/1207:00LTN - ICN
1 stop24h 05mMultiple Airlines
Tue 16/1216:20ICN - LTN
2 stops31h 25mMultiple Airlines
Deal found 10/12£577
Wed 24/1219:45LHR - ICN
1 stop39h 35mHainan Airlines
Sat 27/1221:40ICN - LHR
1 stop29h 15mHainan Airlines
Deal found 11/12£580
Sun 14/1208:30STN - ICN
2 stops22h 35mMultiple Airlines
Tue 16/1211:00ICN - STN
1 stop30h 05mMultiple Airlines
Deal found 10/12£583

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 12 December 2025.

Round-trip from

£360

One-way from

£243

Popular in

August

Cheapest in

November

Average price

£788

Good round-trip deal

£743 or less

Good one-way deal

£434 or less
China Eastern
  • China Eastern
  • 22/1-29/1
  • 4 total stops
  • 58h 40m total
  • London to Incheon
Search Deals
China Eastern
  • China Eastern
  • 15/1
  • 2 total stops
  • 39h 25m total
  • London to Incheon
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£102 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 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

Tue 6/1

20:20-21:45

1 stop16h 25m

Incheon Intl

Wed 21/1

16:20-06:30

1 stop23h 10m

£397

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 12/5

17:10-16:25

1 stop15h 15m

Incheon Intl

Tue 26/5

11:55-20:55

1 stop17h 00m

£426

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 6/1

08:50-10:45

1 stop16h 55m

Incheon Intl

Tue 20/1

17:50-06:40

1 stop21h 50m

£447

LondonIncheon

STN - ICN

STNICN

London Stansted

Mon 2/2

07:30-11:55

2 stops19h 25m

Incheon Intl

Fri 6/2

16:40-16:35

3 stops32h 55m

£450

LondonIncheon

LCY - ICN

LCYICN

London City

Thu 8/1

17:50-16:55

1 stop14h 05m

Incheon Intl

Sun 1/2

23:05-08:50

1 stop18h 45m

£454

LondonIncheon

LCY - ICN

LCYICN

London City

Mon 19/1

17:50-16:55

1 stop14h 05m

Incheon Intl

Sun 1/2

23:05-07:15

1 stop17h 10m

£454

LondonIncheon

LCY - ICN

LCYICN

London City

Thu 15/1

17:05-16:55

1 stop14h 50m

Incheon Intl

Sun 1/2

23:05-08:50

1 stop18h 45m

£454

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 5/1

21:10-15:45

1 stop33h 35m

Incheon Intl

Tue 20/1

16:45-19:10

1 stop35h 25m

£461

LondonIncheon

LCY - ICN

LCYICN

London City

Thu 22/1

17:05-16:55

1 stop14h 50m

Incheon Intl

Sun 8/2

23:05-09:30

1 stop19h 25m

£473

LondonIncheon

LCY - ICN

LCYICN

London City

Mon 12/1

17:05-16:55

1 stop14h 50m

Incheon Intl

Sun 8/2

23:05-07:15

1 stop17h 10m

£473

Flights are sorted by cheapest return flights first.

Deals found on 11/12

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 5 December 2025.

The best time to book flights from London to Incheon Intl Airport is 42 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 £272). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £611). 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 December 2025.

It’s optimal to fly from London to Incheon Intl Airport in the morning. By choosing this option you can save up to 20% 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. Friday evenings 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 December 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 31% 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 £346.

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 56m.

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.

How often are flights from London to Incheon delayed?

About 14% of weekly flights between London and Incheon have experienced delays in the past year, with the average delay time being 115 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 in the early afternoon 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, Korean Air have had the lowest number of delays on this route, with just 13% 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 12 December 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.
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

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.
Korean Air
8.4
Very Good
1,184 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

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.
Asiana Airlines
8.2
Very Good
492 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

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.
China Southern
7.5
Good
122 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

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.
Air China
7.2
Good
127 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

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.
Lufthansa
6.8
Okay
7,626 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

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 15h 15m. Fly via KLM, Etihad Airways, or Shenzhen 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 £301. Other airlines that can offer you cheap pricing are Turkish Airlines, from £329, and China Southern, from £339. These flights start at 52% 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 £218. Users have also found prices from £242 and £243 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 (88%), Virgin Atlantic (88%) 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 £990, our data shows the cheapest flight currently is £396. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay £336 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 £272). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £611). 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 December 2025.
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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£301Average£461FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Turkish AirlinesCheapest£329Average£714FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
China SouthernCheapest£339Average£465FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£371Average£504FlexibilityNo cancel feeOn-time67%
Search Air China flights
LufthansaCheapest£427Average£603FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£456Average£596FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Etihad AirwaysCheapest£531Average£675FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest£551Average£690FlexibilityNo cancel feeOn-time77%
Search Air France flights
LOTCheapest£554Average£747FlexibilityNo cancel feeOn-time81%
Search LOT flights
FinnairCheapest£560Average£753FlexibilityNo cancel feeOn-time76%
Search Finnair 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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