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Cheap flights from Incheon Intl Airport to London from £153

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LON
6 Dec — 13 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 6 November 2025.

Round-trip from

£438

One-way from

£153

Popular in

October

Cheapest in

May

Average price

£465

Good round-trip deal

£536 or less

Good one-way deal

£290 or less
Air China
  • Air China
  • 23/12-27/12
  • 2 total stops
  • 66h 05m total
  • Incheon to London
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Air China
  • Air China
  • 13/11
  • 2 total stops
  • 25h 05m 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 (£18 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 6 November 2025.

Tue 23/1213:10ICN - LHR
1 stop35h 45mAir China
Sat 27/1221:35LHR - ICN
1 stop30h 20mAir China
Deal found 5/11£438
Tue 16/1212:55ICN - LHR
1 stop37h 35mMultiple Airlines
Mon 5/121:00LHR - ICN
2 stops39h 00mMultiple Airlines
Deal found 4/11£439
Tue 30/1213:10ICN - LGW
1 stop25h 25mAir China
Wed 14/111:35LGW - ICN
1 stop15h 05mAir China
Deal found 3/11£439
Wed 26/1114:30ICN - LHR
1 stop36h 00mMultiple Airlines
Fri 28/1121:40LHR - ICN
1 stop15h 40mMultiple Airlines
Deal found 5/11£440
Wed 26/1122:45ICN - STN
2 stops32h 35mMultiple Airlines
Fri 28/1108:20STN - ICN
3 stops28h 30mMultiple Airlines
Deal found 5/11£440
Thu 4/1218:25ICN - STN
2 stops30h 40mMultiple Airlines
Wed 10/1220:55STN - ICN
2 stops31h 35mMultiple Airlines
Deal found 5/11£442
Mon 10/1116:20ICN - LGW
1 stop23h 10mChina Eastern
Thu 20/1110:30LGW - ICN
2 stops27h 15mChina Eastern
Deal found 3/11£442
Wed 24/1213:10ICN - LHR
1 stop35h 45mAir China
Sat 27/1221:35LHR - ICN
1 stop30h 20mAir China
Deal found 5/11£443
Tue 11/1120:50ICN - LGW
2 stops30h 45mMultiple Airlines
Thu 20/1110:30LGW - ICN
1 stop16h 25mMultiple Airlines
Deal found 4/11£443
Mon 15/1214:55ICN - LHR
1 stop38h 20mAir China
Thu 18/1221:35LHR - ICN
1 stop30h 20mAir China
Deal found 4/11£443
Tue 16/1215:40ICN - LTN
2 stops28h 50mMultiple Airlines
Mon 5/118:35LTN - ICN
2 stops35h 05mMultiple Airlines
Deal found 4/11£443
Mon 24/1116:10ICN - LGW
1 stop23h 20mMultiple Airlines
Wed 10/1206:45LGW - ICN
2 stops29h 00mMultiple Airlines
Deal found 4/11£443

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 6 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 - LGW

ICNLGW

Incheon Intl

Thu 4/12

14:00-06:30

2 stops25h 30m

London Gatwick

Sun 7/12

10:30-15:50

2 stops20h 20m

£444

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Thu 4/12

15:40-14:50

2 stops32h 10m

London Luton

Wed 10/12

18:35-14:40

2 stops35h 05m

£446

IncheonLondon

ICN - SEN

ICNSEN

Incheon Intl

Thu 4/12

15:40-12:50

2 stops30h 10m

London Southend

Thu 11/12

18:05-14:40

2 stops35h 35m

£446

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Fri 16/1

11:10-21:50

2 stops19h 40m

London Luton

Fri 23/1

09:15-21:55

2 stops27h 40m

£447

IncheonLondon

ICN - SEN

ICNSEN

Incheon Intl

Thu 4/12

15:40-12:50

2 stops30h 10m

London Southend

Mon 8/12

07:15-11:55

2 stops19h 40m

£459

IncheonLondon

ICN - SEN

ICNSEN

Incheon Intl

Sat 13/12

13:10-12:15

2 stops32h 05m

London Southend

Sun 21/12

07:10-21:55

2 stops29h 45m

£460

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Thu 4/12

13:10-05:35

1 stop25h 25m

London Gatwick

Wed 10/12

11:35-11:40

1 stop15h 05m

£469

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Sun 16/11

07:25-06:30

2 stops32h 05m

London Gatwick

Sat 22/11

10:30-11:55

1 stop16h 25m

£470

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Wed 26/11

18:25-10:30

2 stops25h 05m

London Luton

Wed 3/12

07:00-17:25

2 stops25h 25m

£472

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 26/11

14:15-19:10

2 stops61h 55m

London Heathrow

Wed 3/12

21:10-13:15

2 stops31h 05m

£495

Flights are sorted by cheapest return flights first.

Deals found on 5/11

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 31 October 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 £112). Flying from Incheon Intl Airport to London in August is currently the most expensive (average of £566). 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 6 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 6 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).

How much does it cost for a return flight from Incheon Intl Airport to London?

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 £381.

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 6 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
484 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Comfort

8.1

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
484 reviews
Asiana Airlines
8.2
Very Good
484 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Comfort

8.1

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
484 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Comfort

8.1

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
174 reviews
Asiana Airlines
8.2
Very Good
484 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Comfort

8.1

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
122 reviews
Asiana Airlines
8.2
Very Good
484 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Comfort

8.1

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
7,555 reviews
Asiana Airlines
8.2
Very Good
484 reviews
Check prices

Entertainment

7.8

Boarding

8.4

Overall

8.2

Crew

8.6

Food

8.1

Comfort

8.1

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 25h 25m. Fly via China Eastern, Air China, or Shenzhen Airlines to get the fastest option. Airlines will cover a distance of 5512 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 £364 on this airline. Additional options worth looking into are Asiana Airlines and Korean Air, starting at £518 and £744 round-trip. Users have found that China Eastern is 41% cheaper than the other options available to this destination.

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

    £153 is the cheapest one-way deal found within the past few days, from Air China. You may also be able to find cheap deals on China Southern and Shenzhen Airlines, with prices starting from £183 and £198, 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 £758, our data indicates the cheapest price to be £289. The most popular route (Incheon Intl - London Heathrow), is priced around £382.

  • 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 £112). Flying from Incheon Intl Airport to London in August is currently the most expensive (average of £566). 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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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 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£364Average£696FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Asiana AirlinesCheapest£518Average£756FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£744Average£845FlexibilityNo 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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