Cheap flights from Incheon Intl Airport to London from £161

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LON
21 Nov — 28 Nov1
1 adult
1 adult, Economy

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 Monday 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 22 October 2025.

Round-trip from

£459

One-way from

£161

Popular in

October

Cheapest in

May

Average price

£849

Good round-trip deal

£504 or less

Good one-way deal

£283 or less
China Eastern
  • China Eastern
  • 14/11-20/11
  • 2 total stops
  • 44h 35m total
  • Incheon to London
China Eastern
  • China Eastern
  • 5/11
  • 2 total stops
  • 22h 50m total
  • Incheon to London
Highest demand for flights based on searches. 10% potential increase in price (£54 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Incheon Intl to London (LON).
Price to beat on a one-way flight from Incheon Intl to London (LON).

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 22 October 2025.

Sat 13/1213:10ICN - LGW
1 stop25h 25mAir China
Sun 21/1211:35LGW - ICN
1 stop16h 45mAir China
Deal found 22/10£475
Fri 21/1114:15ICN - LHR
2 stops61h 55mShenzhen Airlines
Fri 28/1121:10LHR - ICN
2 stops31h 05mShenzhen Airlines
Deal found 22/10£476
Thu 23/1013:05ICN - LHR
1 stop15h 25mMultiple Airlines
Mon 27/1021:30LHR - ICN
1 stop15h 50mMultiple Airlines
Deal found 22/10£477
Wed 3/1217:50ICN - LHR
1 stop27h 15mEtihad Airways
Wed 10/1208:50LHR - ICN
1 stop16h 55mEtihad Airways
Deal found 22/10£479
Sat 13/1213:10ICN - LHR
1 stop35h 45mMultiple Airlines
Sun 21/1221:10LHR - ICN
1 stop33h 35mMultiple Airlines
Deal found 21/10£480
Sat 15/1114:20ICN - LTN
3 stops32h 40mMultiple Airlines
Fri 21/1113:55LTN - ICN
2 stops21h 50mMultiple Airlines
Deal found 22/10£480
Mon 27/1014:55ICN - LHR
1 stop38h 20mMultiple Airlines
Tue 24/221:00LHR - ICN
1 stop14h 45mMultiple Airlines
Deal found 22/10£482
Mon 22/1214:50ICN - LGW
2 stops25h 05mMultiple Airlines
Tue 6/110:30LGW - ICN
1 stop18h 00mMultiple Airlines
Deal found 22/10£482
Fri 24/1016:35ICN - LHR
1 stop34h 05mChina Eastern
Wed 29/1021:00LHR - ICN
1 stop14h 45mChina Eastern
Deal found 22/10£483
Mon 27/1014:55ICN - LHR
1 stop38h 20mMultiple Airlines
Fri 27/221:00LHR - ICN
2 stops29h 00mMultiple Airlines
Deal found 22/10£483
Sat 8/1118:25ICN - LGW
1 stop28h 35mChina Eastern
Fri 14/1110:30LGW - ICN
1 stop25h 15mChina Eastern
Deal found 21/10£483
Wed 19/1114:15ICN - LHR
2 stops61h 55mShenzhen Airlines
Wed 26/1121:10LHR - ICN
2 stops31h 05mShenzhen Airlines
Deal found 21/10£484

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 22 October 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 - LHR

ICNLHR

Incheon Intl

Wed 28/1

23:45-16:00

1 stop25h 15m

London Heathrow

Wed 11/2

19:50-19:00

2 stops38h 10m

£510

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 29/12

23:45-16:00

1 stop25h 15m

London Heathrow

Thu 8/1

10:35-19:00

2 stops23h 25m

£513

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 2/2

23:45-09:20

1 stop18h 35m

London Heathrow

Thu 12/2

10:35-19:00

2 stops23h 25m

£513

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 27/2

23:45-09:20

1 stop18h 35m

London Heathrow

Tue 3/3

10:35-19:00

2 stops23h 25m

£513

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 17/12

23:45-09:20

1 stop18h 35m

London Heathrow

Wed 14/1

19:50-19:00

2 stops38h 10m

£513

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Fri 14/11

09:50-21:50

1 stop21h 00m

London Luton

Sat 22/11

20:50-20:45

2 stops38h 55m

£513

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Sat 20/12

14:20-14:00

3 stops32h 40m

London Luton

Thu 8/1

20:00-11:15

3 stops30h 15m

£513

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 26/1

23:45-17:40

1 stop26h 55m

London Heathrow

Wed 11/2

19:50-19:00

2 stops38h 10m

£513

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 17/12

23:45-16:25

2 stops25h 40m

London Heathrow

Wed 7/1

19:50-19:00

2 stops38h 10m

£515

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 29/1

13:05-08:05

2 stops28h 00m

London Heathrow

Thu 5/2

07:40-11:15

1 stop18h 35m

£528

Flights are sorted by cheapest return flights first.

Deals found on 21/10

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 17 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 £109). Flying from Incheon Intl Airport to London in August is currently the most expensive (average of £551). 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 22 October 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 34% versus a flight at midday.

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 £371.

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 22 October 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.

Comfort

8.1

Overall

8.2

Boarding

8.4

Food

8.1

Entertainment

7.8

Crew

8.6

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.

Comfort

8.1

Overall

8.2

Boarding

8.4

Food

8.1

Entertainment

7.8

Crew

8.6

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.

Comfort

8.1

Overall

8.2

Boarding

8.4

Food

8.1

Entertainment

7.8

Crew

8.6

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.

Comfort

8.1

Overall

8.2

Boarding

8.4

Food

8.1

Entertainment

7.8

Crew

8.6

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.

Comfort

8.1

Overall

8.2

Boarding

8.4

Food

8.1

Entertainment

7.8

Crew

8.6

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.

Comfort

8.1

Overall

8.2

Boarding

8.4

Food

8.1

Entertainment

7.8

Crew

8.6

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 18h 45m. Fly via Scandinavian Airlines, Turkish Airlines, or KLM to get the fastest option. Airlines will cover a distance of 5487 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 £355 on this airline. Additional options worth looking into are Asiana Airlines and Korean Air, starting at £504 and £724 round-trip. Users have found that China Eastern is 41% cheaper than the other options available to this destination.

  • What are the most popular routes 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 (51%), Korean Air (46%), Asiana Airlines (30%).

  • 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 £909, our data indicates the cheapest price to be £281. The most popular route (Incheon Intl - London Heathrow), is priced around £392.

  • 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 £109). Flying from Incheon Intl Airport to London in August is currently the most expensive (average of £551). 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 22 October 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£355Average£689FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Asiana AirlinesCheapest£504Average£742FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£724Average£823FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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

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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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