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Cheap flights from London to Incheon Intl Airport from £330

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ICN
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from London to Incheon Intl are usually found in November or February, booked 39 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 11 July 2025.

Round-trip from

£558

One-way from

£330

Popular in

July

Cheapest in

November

Average price

£808

Good round-trip deal

£923 or less

Good one-way deal

£623 or less
1/9-15/9
  • 1/9-15/9
  • 4 total stops
  • 49h 55m total
  • London to Incheon
1/11
  • 1/11
  • 3 total stops
  • 42h 10m total
  • London to Incheon
Highest demand for flights based on searches. 14% potential increase in price (£78 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in July 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 11 July 2025.

Mon 1/912:00LGW - ICN
1 stop19h 25mMultiple Airlines
Mon 15/912:00ICN - LGW
3 stops30h 30mMultiple Airlines
Deal found 9/7£558
Sun 31/806:00LHR - ICN
2 stops42h 45mMultiple Airlines
Mon 8/912:25ICN - LHR
1 stop16h 15mMultiple Airlines
Deal found 9/7£559
Sun 31/807:25STN - ICN
2 stops20h 10mMultiple Airlines
Mon 15/916:20ICN - STN
2 stops30h 40mMultiple Airlines
Deal found 10/7£559
Tue 23/912:35LGW - ICN
1 stop15h 00mAir China
Sun 12/1015:30ICN - LGW
1 stop23h 05mAir China
Deal found 9/7£561
Mon 1/1206:00LTN - ICN
2 stops19h 50mMultiple Airlines
Sat 13/1223:55ICN - LTN
2 stops31h 10mMultiple Airlines
Deal found 11/7£562
Tue 2/921:00LHR - ICN
1 stop17h 10mChina Southern
Tue 9/909:25ICN - LHR
1 stop16h 40mChina Southern
Deal found 9/7£562
Tue 9/920:25LHR - ICN
2 stops29h 30mLufthansa
Sat 8/1113:30ICN - LHR
1 stop16h 30mLufthansa
Deal found 9/7£566
Thu 2/1006:30LHR - ICN
1 stop16h 10mLOT
Wed 29/1009:20ICN - LHR
1 stop17h 00mLOT
Deal found 9/7£568
Mon 8/912:00LGW - ICN
1 stop19h 25mChina Southern
Wed 17/916:45ICN - LGW
1 stop22h 20mChina Southern
Deal found 9/7£570
Sat 27/920:05LHR - ICN
1 stop28h 20mSWISS
Mon 20/1010:05ICN - LHR
1 stop19h 40mSWISS
Deal found 10/7£573
Mon 20/1022:05LHR - ICN
1 stop31h 35mShenzhen Airlines
Thu 30/1016:45ICN - LHR
1 stop35h 25mShenzhen Airlines
Deal found 9/7£581
Mon 1/911:35LGW - ICN
1 stop19h 45mChina Eastern
Sat 13/912:55ICN - LGW
1 stop35h 05mChina Eastern
Deal found 10/7£583

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 11 July 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

Mon 1/9

12:00-15:25

1 stop19h 25m

Incheon Intl

Mon 15/9

12:00-10:30

3 stops30h 30m

£558

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 31/8

06:00-08:45

2 stops42h 45m

Incheon Intl

Mon 8/9

12:25-20:40

1 stop16h 15m

£559

LondonIncheon

STN - ICN

STNICN

London Stansted

Sun 31/8

07:25-11:35

2 stops20h 10m

Incheon Intl

Mon 15/9

16:20-15:00

2 stops30h 40m

£559

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 2/1

10:30-10:50

1 stop15h 20m

Incheon Intl

Sat 31/1

13:05-20:50

1 stop16h 45m

£561

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Tue 23/9

12:35-11:35

1 stop15h 00m

Incheon Intl

Sun 12/10

15:30-06:35

1 stop23h 05m

£561

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 2/9

21:00-22:10

1 stop17h 10m

Incheon Intl

Tue 9/9

09:25-18:05

1 stop16h 40m

£562

LondonIncheon

LTN - ICN

LTNICN

London Luton

Mon 1/12

06:00-10:50

2 stops19h 50m

Incheon Intl

Sat 13/12

23:55-22:05

2 stops31h 10m

£562

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 2/10

06:30-06:40

1 stop16h 10m

Incheon Intl

Wed 29/10

09:20-17:20

1 stop17h 00m

£568

LondonIncheon

LCY - ICN

LCYICN

London City

Mon 5/1

09:50-10:50

1 stop16h 00m

Incheon Intl

Sat 31/1

13:05-16:40

1 stop36h 35m

£570

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Mon 8/9

12:00-15:25

1 stop19h 25m

Incheon Intl

Wed 17/9

16:45-07:05

1 stop22h 20m

£570

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 38 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 27 June 2025.

The best time to book flights from London to Incheon Intl Airport is 39 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 £638). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £1,142). 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 11 July 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 11 July 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?

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 11 July 2025.
See what other customers who have flown with KLM, LOT, 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

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.
  • 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 £561. Other airlines that can offer you cheap pricing are Air China, from £561, and China Southern, from £562. These flights start at 7% 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 Shenzhen Airlines. According to our data, you can fly for as low as £331. Users have also found prices from £331 and £340 on China Eastern and Air China, 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 Asiana Airlines (92%), Korean Air (88%) or Virgin Atlantic (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 £1,955, our data shows the cheapest flight currently is £548. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay £416 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 £638). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £1,142). 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

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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 11 July 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£316Average£410FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£333Average£433FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£359Average£500FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£417Average£456FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
LufthansaCheapest£444Average£636FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£517Average£699FlexibilityNo cancel feeOn-time81%
Search LOT flights
Etihad AirwaysCheapest£535Average£692FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest£537Average£740FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£537Average£710FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Turkish AirlinesCheapest£537Average£666FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines 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?

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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