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Cheap flights from Incheon Intl Airport to London from £145

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LON
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Incheon Intl to London are usually found in May or November, booked 27 days in advance, depart on a Thursday or Sunday and return on a Tuesday

Cheap flight deals from Incheon Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to London (LON). 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 14 November 2025.

Round-trip from

£432

One-way from

£145

Popular in

October

Cheapest in

May

Average price

£474

Good round-trip deal

£531 or less

Good one-way deal

£287 or less
Air China
  • Air China
  • 27/12-3/1
  • 2 total stops
  • 62h 25m total
  • Incheon to London
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13/12
  • 13/12
  • 3 total stops
  • 30h 15m total
  • Incheon to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£56 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Incheon Intl to London (LON).
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Price to beat on a one-way flight from Incheon Intl to London (LON).
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Find flight deals from Incheon Intl to London

Enter your travel dates to find the best prices.

Cheapest flights from Incheon Intl to London
Explore the most affordable flight options available from Incheon Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2025.

Sat 27/1218:25ICN - LHR
1 stop32h 05mMultiple Airlines
Sat 3/121:35LHR - ICN
1 stop30h 20mMultiple Airlines
Deal found 12/11£432
Mon 1/1216:20ICN - LHR
1 stop34h 10mMultiple Airlines
Mon 8/1221:00LHR - ICN
2 stops39h 00mMultiple Airlines
Deal found 11/11£432
Thu 27/1116:20ICN - LHR
1 stop34h 10mChina Eastern
Sat 6/1221:00LHR - ICN
1 stop35h 25mChina Eastern
Deal found 13/11£433
Thu 20/1114:50ICN - LGW
2 stops35h 55mMultiple Airlines
Mon 24/1107:00LGW - ICN
2 stops19h 40mMultiple Airlines
Deal found 13/11£433
Thu 27/1116:20ICN - LHR
1 stop34h 10mChina Eastern
Mon 1/1221:00LHR - ICN
2 stops29h 00mChina Eastern
Deal found 13/11£434
Wed 19/1114:55ICN - STN
2 stops34h 10mMultiple Airlines
Sun 23/1106:25STN - ICN
2 stops30h 30mMultiple Airlines
Deal found 12/11£434
Thu 25/1217:50ICN - LHR
1 stop31h 05mAir China
Thu 1/121:35LHR - ICN
1 stop30h 20mAir China
Deal found 13/11£435
Mon 1/1214:50ICN - STN
2 stops34h 55mMultiple Airlines
Fri 5/1207:30STN - ICN
3 stops27h 20mMultiple Airlines
Deal found 13/11£435
Sun 14/1218:25ICN - LGW
1 stop21h 05mChina Eastern
Wed 7/110:30LGW - ICN
1 stop16h 25mChina Eastern
Deal found 13/11£435
Thu 11/1213:10ICN - LHR
1 stop35h 45mAir China
Thu 18/1221:35LHR - ICN
1 stop30h 20mAir China
Deal found 13/11£435
Sun 14/1218:25ICN - LGW
1 stop21h 05mMultiple Airlines
Thu 8/117:00LGW - ICN
1 stop15h 25mMultiple Airlines
Deal found 13/11£435
Sat 22/1116:10ICN - LGW
1 stop23h 20mChina Eastern
Tue 25/1110:30LGW - ICN
1 stop25h 15mChina Eastern
Deal found 13/11£436

Cheapflights Fare Finder

 
Customise your flight search to find flights from Incheon Intl to London 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 14 November 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to London that are best for you.

Fly from

Incheon Intl

Fly to

London

Route

Depart

Return

Price

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Wed 21/1

10:45-23:10

1 stop21h 25m

London Luton

Wed 28/1

14:00-18:20

1 stop19h 20m

£435

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Mon 12/1

10:45-23:10

1 stop21h 25m

London Luton

Wed 14/1

14:00-18:20

1 stop19h 20m

£443

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Wed 26/11

10:45-23:10

1 stop21h 25m

London Luton

Mon 1/12

14:00-18:20

1 stop19h 20m

£468

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 14/1

17:50-06:40

1 stop21h 50m

London Heathrow

Tue 20/1

20:55-21:55

1 stop16h 00m

£474

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Mon 24/11

10:45-23:15

1 stop21h 30m

London Luton

Tue 2/12

14:00-18:20

1 stop19h 20m

£475

IncheonLondon

ICN - STN

ICNSTN

Incheon Intl

Wed 26/11

22:45-22:20

2 stops32h 35m

London Stansted

Sun 30/11

06:25-11:40

2 stops20h 15m

£475

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 3/2

23:05-07:40

1 stop17h 35m

London Heathrow

Wed 11/2

09:00-10:30

1 stop16h 30m

£492

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Mon 29/12

14:50-12:05

2 stops30h 15m

London Luton

Mon 5/1

06:25-13:45

2 stops22h 20m

£495

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Tue 16/12

00:10-09:20

1 stop18h 10m

London Gatwick

Wed 7/1

10:15-18:20

1 stop23h 05m

£498

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 9/2

13:30-21:00

1 stop16h 30m

London Heathrow

Thu 12/2

07:40-11:15

1 stop18h 35m

£501

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 60 results
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Best time to book a flight from Incheon Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Incheon Intl 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 Incheon Intl Airport to London

How far ahead should I book a flight from Incheon Intl Airport to London?

Use this chart to determine the optimal time to book a return flight from Incheon Intl to London. Price data was last updated on 7 November 2025.

To ensure you get the cheapest price possible for a flight from Incheon Intl Airport to London, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Incheon Intl Airport to London?

Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to London (average of £111). Flying from Incheon Intl Airport to London in August is currently the most expensive (average of £561). 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 ICN to LON?

Find hourly flight availability from Incheon Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 November 2025.

When flying from Incheon Intl Airport to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 25% versus a flight at midday.

Weekly flight availability from Incheon Intl Airport to London

Explore weekly flight availability from Incheon Intl to London. 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 14 November 2025.

The most flights from ICN to LON 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).

What’s the top stopover airport for flights from Incheon Intl Airport to London?

Share of one-stop return flights from Incheon Intl Airport to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Shanghai (PVG) – chosen by Cheapflights users on 36% of one-stop itineraries from Incheon Intl Airport to London on Cheapflights.

What’s the cheapest stopover airport for flights from Incheon Intl Airport to London?

Average return fare for one-stop flights from Incheon Intl Airport to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Zhengzhou (CGO) is the most affordable one-stop option, with an average return flight price of £377.

What’s the fastest stopover option from Incheon Intl Airport to London?

Shortest average travel time for one-stop one-way flights from Incheon Intl Airport to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Munich (MUC) have the shortest average one-way travel time for one-stop routes: 16h 00m.

Which airport typically offers the quickest stopover for flights from Incheon Intl Airport to London?

Average stopover duration for one-stop one-way flights from Incheon Intl Airport to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 1h 20m.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 14 November 2025.
Get a feel of what it's like to fly with Asiana Airlines, China Southern, andChina Eastern from Incheon Intl Airport to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Overall

8.2

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Asiana Airlines
8.2
Very Good
486 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Overall

8.2

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
China Southern
7.5
Good
119 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Overall

8.2

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
China Eastern
7.2
Good
177 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Overall

8.2

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Air China
7.1
Good
121 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Overall

8.2

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.
Lufthansa
6.8
Okay
7,572 reviews
Asiana Airlines
8.2
Very Good
486 reviews
Check prices

Comfort

8.1

Overall

8.2

Crew

8.6

Boarding

8.4

Food

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Yony,Sept 2025

MNL - ICN

Clean airplanes, crew very helpful and plane was on time. I did not like the food choices.

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to London. 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 Incheon Intl Airport to London?

    There are many flights that can get you from Incheon Intl Airport to London in 16h 30m. Fly via Etihad Airways, Turkish Airlines, or Lufthansa to get the fastest option. Airlines will cover a distance of 5503 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Incheon Intl Airport to London round-trip?

    Our cheapest airline available from Incheon Intl Airport to London is China Eastern. Our recent data shows that you can find tickets from as low as £361 on this airline. Additional options worth looking into are Asiana Airlines and Korean Air, starting at £513 and £737 round-trip. Users have found that China Eastern is 40% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Incheon Intl Airport to London one-way?

    £150 is the cheapest one-way deal found within the past few days, from China Eastern. You may also be able to find cheap deals on Air China and Malaysia Airlines, with prices starting from £153 and £216, respectively.

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

    While some choose either Incheon Intl - London Gatwick or Incheon Intl - London Stansted, Incheon Intl - London Heathrow is the most popular route from Incheon Intl Airport to London.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Incheon Intl Airport to London on time: Virgin Atlantic (41%), Korean Air (32%), Asiana Airlines (18%).

  • What are the cheapest flights from Incheon Intl Airport to London?

    Looking for the cheapest flight from Incheon Intl Airport to London? While on average our users pay £751, our data indicates the cheapest price to be £286. The most popular route (Incheon Intl - London Heathrow), is priced around £355.

  • Can I find deals for flights from Incheon Intl to London that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to London.

  • Can I find deals for business class flights from Incheon Intl to London?

    Yes. Cheapflights offers flight deals from Incheon Intl to London 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 Incheon Intl Airport to London?

    Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to London (average of £111). Flying from Incheon Intl Airport to London in August is currently the most expensive (average of £561). 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 London?

Book flights to London if you plan to visit one of these locations
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Top 3 airlines flying from Incheon Intl to London

Discover the top 3 airlines that operate flights from Incheon Intl to London. 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£361Average£690FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Asiana AirlinesCheapest£513Average£749FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£737Average£837FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Incheon Intl to London?

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Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to London?

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Can Cheapflights find flights from Incheon Intl to London with no change fees?

Yes! Cheapflights helps users easily find flights from Incheon Intl to London with no change fees.

Can Cheapflights notify me if prices for flights from Incheon Intl to London become cheaper?

Not ready to book yet? You can track prices for flights from Incheon Intl to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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