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Cheap flights from Incheon Intl Airport to London Heathrow Airport from £228

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
24 ago — 31 ago1
1 adult

Cheapflights Tip: The best prices from Incheon Intl to London Heathrow are usually found in November or March, booked 58 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from Incheon Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Heathrow (LHR). 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 19 agosto 2025.

Round-trip from

£501

One-way from

£228

Popular in

September

Cheapest in

November

Average price

£730

Good round-trip deal

£814 or less

Good one-way deal

£469 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 3/11-11/11
  • 3 total stops
  • 45h 05m total
  • Incheon to London
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China Southern
  • China Southern
  • 10/10
  • 1 total stop
  • 16h 40m total
  • Incheon to London
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Highest demand for flights based on searches. 14% potential increase in price (£81 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Incheon Intl to London Heathrow.
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Price to beat on a one-way flight from Incheon Intl to London Heathrow.
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Find flight deals from Incheon Intl to Heathrow

Cheapest flights from Incheon Intl to Heathrow
Explore the most affordable flight options available from Incheon Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 agosto 2025.

seg 3/1123:45ICN - LHR
2 stops28h 05mScandinavian Airlines
qui 13/1106:40LHR - ICN
1 stop27h 20mScandinavian Airlines
Deal found 17/8£501
qua 3/909:25ICN - LHR
1 stop16h 40mChina Southern
qua 10/921:00LHR - ICN
1 stop17h 10mChina Southern
Deal found 16/8£502
dom 7/916:45ICN - LHR
1 stop34h 15mMultiple Airlines
sáb 20/921:20LHR - ICN
1 stop30h 35mMultiple Airlines
Deal found 18/8£502
sáb 15/1109:25ICN - LHR
1 stop17h 30mChina Southern
sáb 22/1121:30LHR - ICN
1 stop15h 55mChina Southern
Deal found 18/8£503
seg 3/1123:45ICN - LHR
2 stops28h 05mScandinavian Airlines
dom 9/1106:40LHR - ICN
2 stops27h 20mScandinavian Airlines
Deal found 17/8£504
seg 3/1123:45ICN - LHR
1 stop21h 20mMultiple Airlines
sex 28/1122:00LHR - ICN
1 stop30h 50mMultiple Airlines
Deal found 17/8£505
ter 30/1213:05ICN - LHR
1 stop18h 15mLufthansa
ter 13/111:10LHR - ICN
1 stop15h 05mLufthansa
Deal found 17/8£505
ter 4/1120:50ICN - LHR
2 stops29h 40mChina Eastern
sex 14/1121:00LHR - ICN
1 stop29h 55mChina Eastern
Deal found 17/8£506
seg 1/915:15ICN - LHR
1 stop35h 45mChina Southern
qua 10/921:00LHR - ICN
1 stop17h 10mChina Southern
Deal found 18/8£507
sáb 20/923:45ICN - LHR
2 stops22h 50mScandinavian Airlines
ter 23/910:35LHR - ICN
2 stops23h 40mScandinavian Airlines
Deal found 17/8£508
qui 21/816:35ICN - LHR
1 stop34h 05mChina Eastern
dom 31/821:20LHR - ICN
1 stop34h 00mChina Eastern
Deal found 17/8£508
seg 22/914:55ICN - LHR
1 stop37h 20mMultiple Airlines
sex 26/922:10LHR - ICN
1 stop31h 45mMultiple Airlines
Deal found 18/8£509

Cheapflights Fare Finder

 
Customise your flight search to find flights from Incheon Intl to Heathrow 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 19 agosto 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to London Heathrow Airport that are best for you.

Fly from

Incheon Intl

Fly to

Heathrow

Route

Depart

Return

Price

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

sex 16/1

23:45-09:20

1 stop18h 35m

London Heathrow

seg 26/1

17:30-19:00

2 stops40h 30m

£501

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

sex 7/11

23:45-16:00

1 stop25h 15m

London Heathrow

sáb 15/11

15:35-19:00

2 stops42h 25m

£501

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

sex 16/1

23:45-09:20

1 stop18h 35m

London Heathrow

sáb 24/1

15:35-19:00

2 stops42h 25m

£501

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

seg 3/11

23:45-18:50

2 stops28h 05m

London Heathrow

ter 11/11

17:00-19:00

1 stop17h 00m

£501

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

qua 31/12

23:45-09:20

1 stop18h 35m

London Heathrow

dom 11/1

06:40-19:00

2 stops27h 20m

£501

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

qua 17/12

23:45-09:20

1 stop18h 35m

London Heathrow

qui 8/1

13:55-19:00

2 stops20h 05m

£504

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

seg 3/11

23:45-18:50

2 stops28h 05m

London Heathrow

dom 9/11

06:40-19:00

2 stops27h 20m

£504

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

sex 7/11

23:45-09:20

1 stop18h 35m

London Heathrow

qui 13/11

09:55-19:00

2 stops24h 05m

£504

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

seg 19/1

13:05-20:50

1 stop16h 45m

London Heathrow

sáb 31/1

06:35-11:15

1 stop19h 40m

£508

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

sex 7/11

11:05-15:25

1 stop37h 20m

London Heathrow

qua 12/11

21:25-21:45

1 stop39h 20m

£511

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 23 results
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Best time to book a flight from Incheon Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Use this chart to determine the optimal time to book a return flight from Incheon Intl to Heathrow. Price data was last updated on 8 August 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of £112). Flying from Incheon Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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 LHR?

Find hourly flight availability from Incheon Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 agosto 2025.

When flying from Incheon Intl Airport to London Heathrow Airport, 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 41% versus a flight at midday.

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

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 19 agosto 2025.
Read through reviews of airlines operating flights from Incheon Intl Airport to London Heathrow Airport, such as Korean Air, Asiana Airlines, andFinnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,131 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,131 reviews
Korean Air
8.4
Very Good
1,131 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very Good
476 reviews
Korean Air
8.4
Very Good
1,131 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Finnair
7.6
Good
1,320 reviews
Korean Air
8.4
Very Good
1,131 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
China Eastern
7.2
Good
160 reviews
Korean Air
8.4
Very Good
1,131 reviews
Check prices

Overall

8.4

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

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

    Scandinavian Airlines can get you from Incheon Intl Airport to London Heathrow Airport in just under 18h 35m. Your travel time can differ by up to . Airlines will cover a distance of 5503 mi.

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

    Our cheapest airline available from Incheon Intl Airport to London Heathrow Airport is China Eastern. Our recent data shows that you can find tickets from as low as £351 on this airline. Additional options worth looking into are Air China and Asiana Airlines, starting at £400 and £642 round-trip. China Eastern is currently priced 44% below the average price you’ll pay for this route.

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

    The top 3 most reliable airlines when flying from Incheon Intl Airport to London Heathrow Airport are Korean Air (78%), Virgin Atlantic (73%) and Asiana Airlines (53%).

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

    While on average a flight from Incheon Intl Airport to London Heathrow Airport is generally £913, our data shows the cheapest flight currently is £439. When looking at the most popular route, (Incheon Intl - London Heathrow), you can expect to pay £346 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of £112). Flying from Incheon Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Gatwick
Slough
Northampton
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Crawley
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Chichester
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Incheon Intl to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Gatwick flights
Incheon Intl to Stansted flights
Incheon Intl to London City flights
Gimpo Intl to Heathrow flights
Gimpo Intl to London City flights

Top 4 airlines flying from Incheon Intl to Heathrow

Discover the top 4 airlines that operate flights from Incheon Intl to Heathrow. 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 19 agosto 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£351Average£681FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£400Average£649FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£642Average£740FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£666Average£839FlexibilityNo 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 Heathrow?

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Incheon Intl to Heathrow.

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

Certainly. Search results for flights to Heathrow from Incheon Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Incheon Intl to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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