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Cheap flights from Incheon Intl Airport to London from £149

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LON
8 May — 15 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to London are usually found in March or May, booked 27 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap 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 8 April 2026.

Wed 13/501:35
ICN
-
LHR
1 stop25h 10m
Etihad Airways
Sat 23/521:45
LHR
-
ICN
1 stop16h 15m
Etihad Airways
Deal found 3/4£424
Thu 14/517:50
ICN
-
LHR
1 stop21h 10m
Etihad Airways
Wed 27/521:45
LHR
-
ICN
1 stop29h 05m
Etihad Airways
Deal found 4/4£425
Tue 14/417:50
ICN
-
LHR
1 stop29h 15m
Etihad Airways
Fri 17/409:15
LHR
-
ICN
1 stop17h 35m
Etihad Airways
Deal found 3/4£425
Mon 27/417:50
ICN
-
LHR
1 stop27h 40m
Etihad Airways
Thu 30/420:45
LHR
-
ICN
1 stop17h 15m
Etihad Airways
Deal found 3/4£426
Fri 19/615:15
ICN
-
LHR
1 stop36h 35m
Shenzhen Airlines
Wed 24/622:05
LHR
-
ICN
1 stop32h 10m
Shenzhen Airlines
Deal found 5/4£427
Fri 19/615:15
ICN
-
LHR
1 stop36h 35m
Shenzhen Airlines
Fri 26/622:05
LHR
-
ICN
1 stop34h 40m
Shenzhen Airlines
Deal found 4/4£428
Wed 10/616:15
ICN
-
LGW
1 stop30h 45m
China Eastern
Fri 12/611:35
LGW
-
ICN
1 stop21h 50m
China Eastern
Deal found 6/4£428
Tue 21/417:50
ICN
-
LHR
1 stop27h 40m
Etihad Airways
Tue 28/409:15
LHR
-
ICN
1 stop17h 35m
Etihad Airways
Deal found 3/4£429
Sun 17/501:35
ICN
-
LHR
1 stop19h 10m
Etihad Airways
Mon 25/521:45
LHR
-
ICN
1 stop29h 05m
Etihad Airways
Deal found 3/4£430
Wed 20/501:35
ICN
-
LHR
1 stop37h 25m
Etihad Airways
Thu 28/509:30
LHR
-
ICN
1 stop17h 20m
Etihad Airways
Deal found 3/4£432
Wed 27/516:15
ICN
-
LGW
1 stop30h 45m
China Eastern
Tue 2/611:35
LGW
-
ICN
2 stops19h 20m
China Eastern
Deal found 3/4£472
Tue 19/514:15
ICN
-
LGW
3 stops29h 15m
Multiple Airlines
Wed 27/506:55
LGW
-
ICN
2 stops22h 20m
Multiple Airlines
Deal found 3/4£477

Find 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 8 April 2026.

Round-trip from

£422

One-way from

£149

Popular in

October

Cheapest in

March

Average price

£652

Good round-trip deal

£567 or less

Good one-way deal

£299 or less
Etihad Airways
  • Etihad Airways
  • 11/5-19/5
  • 2 total stops
  • 60h 40m total
  • Incheon to London
Search Deals
China Eastern
  • China Eastern
  • 6/5
  • 1 total stop
  • 36h 10m total
  • Incheon to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£98 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Incheon Intl to London (LON).
Search Deals
Price to beat on a one-way flight from Incheon Intl to London (LON).
Search Deals

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 8 April 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Thu 4/6

12:55-15:00

1 stop34h 05m

London Gatwick

Sun 7/6

17:55-11:55

1 stop34h 00m

£600

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Sun 14/6

17:45-18:05

2 stops32h 20m

London Luton

Mon 22/6

15:15-10:50

2 stops35h 35m

£612

IncheonLondon

ICN - STN

ICNSTN

Incheon Intl

Thu 28/5

23:55-12:55

1 stop21h 00m

London Stansted

Fri 5/6

14:55-17:00

1 stop18h 05m

£616

IncheonLondon

ICN - STN

ICNSTN

Incheon Intl

Tue 9/6

23:55-12:55

1 stop21h 00m

London Stansted

Tue 16/6

14:55-18:40

1 stop19h 45m

£616

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Tue 21/4

23:55-19:45

1 stop27h 50m

London Gatwick

Tue 28/4

21:45-17:00

1 stop35h 15m

£618

IncheonLondon

ICN - STN

ICNSTN

Incheon Intl

Wed 16/9

22:45-12:55

1 stop22h 10m

London Stansted

Wed 23/9

21:05-18:40

1 stop37h 35m

£618

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Thu 28/5

23:55-21:30

1 stop29h 35m

London Gatwick

Fri 5/6

10:05-17:00

1 stop22h 55m

£623

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Thu 21/5

23:55-12:35

1 stop20h 40m

London Gatwick

Thu 28/5

14:35-17:00

1 stop18h 25m

£623

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Mon 18/5

22:45-12:35

1 stop21h 50m

London Gatwick

Mon 25/5

10:05-17:00

1 stop22h 55m

£623

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Tue 12/5

23:55-21:30

1 stop29h 35m

London Gatwick

Mon 18/5

14:35-17:00

1 stop18h 25m

£624

Flights are sorted by cheapest return flights first.

Deals found on 3/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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 3 April 2026.

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, February is the cheapest month in which you can book a flight from Incheon Intl Airport to London (average of £346). Flying from Incheon Intl Airport to London in September is currently the most expensive (average of £535). 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 8 April 2026.

When flying from Incheon Intl Airport to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 8 April 2026.

The most flights from ICN to LON are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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 32% 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.

Beijing (PKX) is the most affordable one-stop option, with an average return flight price of £455.

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 Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 28m.

How often are flights from Incheon to London delayed?

About 31% of weekly flights between Incheon and London have experienced delays in the past year, with the average delay time being 95 minutes.

What is the most punctual flight time for Incheon to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Incheon to London flights?

Over the past year, Korean Air have had the lowest number of delays on this route, with just 22% of flights being delayed.

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 8 April 2026.
Get a feel of what it's like to fly with Asiana Airlines,Virgin Atlantic, 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
8.1
Very Good
512 reviews
Check prices

Entertainment

7.6

Comfort

8.0

Food

8.0

Overall

8.1

Boarding

8.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

ICN - PEK

Food was better and a smaller business class made the experience more personal.
Asiana Airlines
8.1
Very Good
512 reviews
Asiana Airlines
8.1
Very Good
512 reviews
Check prices

Entertainment

7.6

Comfort

8.0

Food

8.0

Overall

8.1

Boarding

8.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

ICN - PEK

Food was better and a smaller business class made the experience more personal.
Virgin Atlantic
7.5
Good
685 reviews
Asiana Airlines
8.1
Very Good
512 reviews
Check prices

Entertainment

7.6

Comfort

8.0

Food

8.0

Overall

8.1

Boarding

8.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

ICN - PEK

Food was better and a smaller business class made the experience more personal.
China Eastern
7.2
Good
200 reviews
Asiana Airlines
8.1
Very Good
512 reviews
Check prices

Entertainment

7.6

Comfort

8.0

Food

8.0

Overall

8.1

Boarding

8.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

ICN - PEK

Food was better and a smaller business class made the experience more personal.
Lufthansa
6.8
Okay
7,898 reviews
Asiana Airlines
8.1
Very Good
512 reviews
Check prices

Entertainment

7.6

Comfort

8.0

Food

8.0

Overall

8.1

Boarding

8.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

ICN - PEK

Food was better and a smaller business class made the experience more personal.

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 19h 10m. Fly via China Eastern, Emirates, or Etihad Airways 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 Air China. Our recent data shows that you can find tickets from as low as £445 on this airline. Additional options worth looking into are Asiana Airlines and Virgin Atlantic, starting at £486 and £498 round-trip. Users have found that Air China is 26% cheaper than the other options available to this destination.

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

    £121 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 Virgin Atlantic, with prices starting from £133 and £137, 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 (90%), Korean Air (88%), Asiana Airlines (72%).

  • 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 £749, our data indicates the cheapest price to be £187. The most popular route (Incheon Intl - London Heathrow), is priced around £428.

  • 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, February is the cheapest month in which you can book a flight from Incheon Intl Airport to London (average of £346). Flying from Incheon Intl Airport to London in September is currently the most expensive (average of £535). 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 4 airlines flying from Incheon Intl to London

Discover the top 4 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 8 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£445Average£583FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£486Average£567FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Virgin AtlanticCheapest£498Average£702FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Korean AirCheapest£625Average£831FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Incheon Intl to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to London from Incheon Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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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