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Cheap flights from Incheon Intl Airport to London from £172

ICN — LON
5 Nov — 12 Nov1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to London are usually found in March or January, booked 20 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Incheon Intl to London

Enter your travel dates to find the best prices.

Cheapest flights from Incheon Intl to London

Fri 6/1108:55 -
1 stop17h 35m
Wed 11/1121:30 -
1 stop15h 40m
Deal found 5/10£503
Thu 12/1119:55 -
2 stops30h 00m
Wed 18/1108:05 -
2 stops18h 50m
Deal found 5/10£503
Sat 7/1114:55 -
1 stop37h 15m
Mon 16/1121:10 -
1 stop35h 05m
Deal found 5/10£504
Fri 6/1118:25 -
1 stop21h 05m
Thu 12/1110:30 -
1 stop16h 25m
Deal found 5/10£504
Wed 11/1108:55 -
1 stop17h 35m
Sun 15/1121:30 -
1 stop15h 40m
Deal found 5/10£505
Mon 26/1021:55 -
2 stops33h 50m
Mon 2/1106:10 -
2 stops21h 45m
Deal found 5/10£505
Mon 9/1118:25 -
1 stop21h 05m
Fri 13/1110:30 -
1 stop16h 25m
Deal found 5/10£505
Sat 26/1214:55 -
1 stop37h 15m
Wed 20/121:10 -
1 stop31h 45m
Deal found 5/10£505
Thu 29/1018:25 -
2 stops30h 20m
Tue 3/1121:10 -
2 stops32h 55m
Deal found 5/10£505
Sat 7/1108:55 -
1 stop17h 35m
Mon 16/1121:30 -
1 stop15h 40m
Deal found 5/10£506
Wed 11/1108:55 -
1 stop17h 35m
Wed 11/1121:30 -
1 stop15h 40m
Deal found 5/10£507
Sat 7/1108:55 -
1 stop17h 35m
Sun 15/1121:30 -
1 stop15h 40m
Deal found 5/10£508

Find flight deals from Incheon Intl to London

Round-trip from

£503

One-way from

£172

Popular in

September

Cheapest in

March

Average price

£659

Good round-trip deal

£719 or less

Good one-way deal

£405 or less
China Southern
  • China Southern
  • 6/11-11/11
  • 2 total stops
  • 33h 15m total
  • Incheon to London
China Southern
  • China Southern
  • 13/10-31/12
  • 1 total stop
  • 17h 40m total
  • Incheon to London
Highest demand for flights based on searches. 12% potential increase in price (£60 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in October 2026
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).

Cheapflights Fare Finder

 
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 Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Mon 23/11

18:25-06:30

1 stop21h 05m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£177

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Fri 20/11

18:25-06:30

1 stop21h 05m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£179

IncheonLondon

ICN Incheon Intl - LHR London Heathrow

ICNLHR

Incheon Intl

Mon 16/11

18:20-20:30

1 stop35h 10m

London Heathrow

Wed 31/12

00:00-08:00

Nonstop0h 00m

£221

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Thu 19/11

19:55-21:55

3 stops35h 00m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£268

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Wed 16/12

19:55-13:15

3 stops26h 20m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£277

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Thu 29/10

18:25-06:30

1 stop21h 05m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£318

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Fri 18/12

17:50-07:10

2 stops22h 20m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£333

IncheonLondon

ICN Incheon Intl - STN London Stansted

ICNSTN

Incheon Intl

Fri 25/12

22:20-12:05

1 stop22h 45m

London Stansted

Wed 31/12

00:00-08:00

Nonstop0h 00m

£340

IncheonLondon

ICN Incheon Intl - STN London Stansted

ICNSTN

Incheon Intl

Mon 16/11

22:20-12:05

1 stop22h 45m

London Stansted

Wed 31/12

00:00-08:00

Nonstop0h 00m

£341

IncheonLondon

ICN Incheon Intl - LGW London Gatwick

ICNLGW

Incheon Intl

Wed 13/1

22:20-20:50

1 stop31h 30m

London Gatwick

Wed 31/12

00:00-08:00

Nonstop0h 00m

£341

Flights are sorted by cheapest return flights first.

Deals found on 5/10

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

Cheapflights Insights

Everything you need to know about your flight from Incheon Intl Airport to London

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

Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport to London (average of £513). Flying from Incheon Intl Airport to London in September is currently the most expensive (average of £764). 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?

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

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?

Airfare is typical for this route at the moment.
Incheon Intl Airport to London flights typically cost between £495 and £1,082 in November.
The cheapest return price found within the last 5 days was £503 on Multiple Airlines (6 Nov–16 Nov).

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

Beijing (PEK) – chosen by Cheapflights users on 33% 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?

Beijing (PEK) is the most affordable one-stop option, with an average return flight price of £288.

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

Flights via Beijing (PEK) have the shortest average one-way travel time for one-stop routes: 15h 18m.

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

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 48m.

How often are flights from Incheon to London delayed?

About 24% of weekly flights between Incheon and London have experienced delays in the past year, with the average delay time being 124 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 at night tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Thursday 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, Virgin Atlantic have had the lowest number of delays on this route, with just 12% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Incheon Intl Airport to London, you should look to book at least 33 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.

Reviews of airlines servicing London

Get a feel of what it's like to fly with Asiana Airlines and Virgin Atlantic 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.

Boarding

8.3

Entertainment

7.6

Overall

8.1

Comfort

8.0

Crew

8.5

Food

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

ICN - PEK

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

Boarding

8.3

Entertainment

7.6

Overall

8.1

Comfort

8.0

Crew

8.5

Food

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

ICN - PEK

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

Boarding

8.3

Entertainment

7.6

Overall

8.1

Comfort

8.0

Crew

8.5

Food

8.0

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

  • 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 55m. Fly via Scandinavian Airlines, Lufthansa, or Emirates 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 £472 on this airline. Additional options worth looking into are Asiana Airlines and Virgin Atlantic, starting at £488 and £522 round-trip. Users have found that Air China is 19% 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 China Southern and Air China, with prices starting from £122 and £134, respectively.

  • 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: Korean Air (90%), Virgin Atlantic (88%), Asiana Airlines (58%).

  • 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 £918, our data indicates the cheapest price to be £382. The most popular route (Incheon Intl - London Heathrow), is priced around £444.

  • 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, March is the cheapest month in which you can book a flight from Incheon Intl Airport to London (average of £513). Flying from Incheon Intl Airport to London in September is currently the most expensive (average of £764). 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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Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Incheon Intl to London

AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£472Average£582FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£488Average£550FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Virgin AtlanticCheapest£522Average£705FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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.

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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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