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Cheap flights from London to Incheon Intl Airport from £284

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ICN
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from London to Incheon Intl are usually found in November or February, booked 84 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 13 June 2025.

Round-trip from

£451

One-way from

£284

Popular in

July

Cheapest in

November

Average price

£544

Good round-trip deal

£932 or less

Good one-way deal

£558 or less
10/9-17/9
  • 10/9-17/9
  • 4 total stops
  • 65h 20m total
  • London to Incheon
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24/9
  • 24/9
  • 2 total stops
  • 23h 05m total
  • London to Incheon
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£76 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from London (LON) to Incheon Intl.
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Price to beat on a one-way flight from London (LON) to Incheon Intl.
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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 13 June 2025.

Wed 10/906:00STN - ICN
2 stops30h 45mMultiple Airlines
Wed 17/908:55ICN - STN
2 stops34h 35mMultiple Airlines
Deal found 10/6£451
Fri 31/1008:45LHR - ICN
1 stop17h 30mLufthansa
Wed 12/1113:05ICN - LHR
2 stops18h 50mLufthansa
Deal found 11/6£451
Mon 27/1021:30LHR - ICN
1 stop15h 55mChina Southern
Thu 6/1109:25ICN - LHR
1 stop17h 30mChina Southern
Deal found 12/6£454
Sat 1/1120:25LGW - ICN
1 stop16h 20mChina Southern
Fri 21/1122:45ICN - LGW
1 stop27h 35mChina Southern
Deal found 12/6£456
Mon 27/1021:10LHR - ICN
1 stop31h 45mShenzhen Airlines
Sat 15/1114:55ICN - LHR
1 stop37h 15mShenzhen Airlines
Deal found 11/6£459
Thu 6/1110:30LGW - ICN
2 stops25h 10mChina Eastern
Mon 29/1211:55ICN - LGW
2 stops27h 35mChina Eastern
Deal found 12/6£463
Thu 12/618:30LHR - ICN
1 stop15h 10mMultiple Airlines
Sun 15/617:25ICN - LHR
1 stop33h 50mMultiple Airlines
Deal found 11/6£468
Tue 21/1022:00LHR - ICN
1 stop30h 55mAir China
Tue 28/1017:50ICN - LHR
1 stop31h 05mAir China
Deal found 12/6£476
Wed 17/909:00LGW - ICN
2 stops27h 45mMultiple Airlines
Wed 24/920:15ICN - LGW
3 stops34h 40mMultiple Airlines
Deal found 10/6£477
Wed 31/1209:50LCY - ICN
1 stop16h 00mLufthansa
Wed 28/113:05ICN - LCY
1 stop29h 00mLufthansa
Deal found 11/6£493
Wed 31/1215:35LHR - ICN
2 stops42h 25mScandinavian Airlines
Wed 28/123:45ICN - LHR
2 stops28h 05mScandinavian Airlines
Deal found 12/6£494
Sun 22/620:05LTN - ICN
2 stops35h 20mMultiple Airlines
Tue 1/718:25ICN - LTN
2 stops28h 35mMultiple Airlines
Deal found 12/6£556

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 13 June 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

STN - ICN

STNICN

London Stansted

Wed 10/9

06:00-20:45

2 stops30h 45m

Incheon Intl

Wed 17/9

08:55-11:30

2 stops34h 35m

£451

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 31/10

08:45-11:15

1 stop17h 30m

Incheon Intl

Wed 12/11

13:05-22:55

2 stops18h 50m

£451

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 27/10

21:30-22:25

1 stop15h 55m

Incheon Intl

Thu 6/11

09:25-17:55

1 stop17h 30m

£454

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 26/9

22:05-13:40

1 stop31h 35m

Incheon Intl

Fri 10/10

16:40-19:50

1 stop35h 10m

£456

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Sat 1/11

20:25-21:45

1 stop16h 20m

Incheon Intl

Fri 21/11

22:45-17:20

1 stop27h 35m

£456

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Thu 6/11

10:30-20:40

2 stops25h 10m

Incheon Intl

Mon 29/12

11:55-06:30

2 stops27h 35m

£463

LondonIncheon

LGW - ICN

LGWICN

London Gatwick

Wed 10/9

09:00-20:45

2 stops27h 45m

Incheon Intl

Wed 17/9

20:15-22:55

3 stops34h 40m

£475

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 21/10

22:00-12:55

1 stop30h 55m

Incheon Intl

Tue 28/10

17:50-15:55

1 stop31h 05m

£476

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 6/9

22:10-13:55

1 stop31h 45m

Incheon Intl

Sun 12/10

00:10-16:35

1 stop24h 25m

£483

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 22/10

08:45-09:55

2 stops17h 10m

Incheon Intl

Mon 10/11

13:05-16:40

1 stop36h 35m

£509

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 42 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 9 June 2025.

The best time to book flights from London to Incheon Intl Airport is 84 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 £656). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £1,140). 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 13 June 2025.

It’s optimal to fly from London to Incheon Intl Airport at midday. By choosing this option you can save up to 25% 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 Saturday mornings when fares are most often at their lowest. Sunday 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 13 June 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).

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 20.0 - 260.0 inches per month. July is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 20.0 mm.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).

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 13 June 2025.
Read reviews from past customers who have flown Hainan Airlines, KLM and LOT from London to Seoul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
8.1
Very Good
39 reviews
Check prices

Crew

8.9

Overall

8.1

Food

8.5

Comfort

8.1

Entertainment

7.7

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.1
Very Good
39 reviews
Hainan Airlines
8.1
Very Good
39 reviews
Check prices

Crew

8.9

Overall

8.1

Food

8.5

Comfort

8.1

Entertainment

7.7

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
KLM
7.8
Good
1,358 reviews
Hainan Airlines
8.1
Very Good
39 reviews
Check prices

Crew

8.9

Overall

8.1

Food

8.5

Comfort

8.1

Entertainment

7.7

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
LOT
7.6
Good
1,077 reviews
Hainan Airlines
8.1
Very Good
39 reviews
Check prices

Crew

8.9

Overall

8.1

Food

8.5

Comfort

8.1

Entertainment

7.7

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Austrian Airlines
7.6
Good
802 reviews
Hainan Airlines
8.1
Very Good
39 reviews
Check prices

Crew

8.9

Overall

8.1

Food

8.5

Comfort

8.1

Entertainment

7.7

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
SWISS
7.5
Good
1,624 reviews
Hainan Airlines
8.1
Very Good
39 reviews
Check prices

Crew

8.9

Overall

8.1

Food

8.5

Comfort

8.1

Entertainment

7.7

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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 £451. Other airlines that can offer you cheap pricing are China Southern, from £454, and Shenzhen Airlines, from £456. These flights start at 25% 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 Air China. According to our data, you can fly for as low as £296. Users have also found prices from £297 and £300 on Hainan Airlines and China Southern, 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 Asiana Airlines (80%), Korean Air (80%) or Virgin Atlantic (80%) 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 £2,359, our data shows the cheapest flight currently is £547. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay £387 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 £656). Flying from London to Incheon Intl Airport in July is currently the most expensive (average of £1,140). 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 13 June 2025.
Asiana Airlines flights from London to Incheon Intl
Korean Air flights from London to Incheon Intl
Lufthansa 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£316Average£413FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£333Average£434FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£359Average£501FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£417Average£456FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
LufthansaCheapest£445Average£640FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£517Average£718FlexibilityNo cancel feeOn-time81%
Search LOT flights
Etihad AirwaysCheapest£517Average£650FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
FinnairCheapest£537Average£704FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Turkish AirlinesCheapest£537Average£668FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air FranceCheapest£542Average£740FlexibilityNo cancel feeOn-time77%
Search Air France 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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