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Cheap flights from Incheon Intl Airport to London Heathrow Airport from £130

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to London Heathrow are usually found in November or March, booked 80 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Incheon Intl to Heathrow

Enter your travel dates to find the best prices.

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 29 January 2026.

Tue 3/318:25
ICN
-
LHR
1 stop32h 05m
China Eastern
Mon 9/321:00
LHR
-
ICN
1 stop33h 05m
China Eastern
Deal found 27/1£340
Wed 1/415:15
ICN
-
LHR
1 stop35h 45m
China Southern
Fri 17/421:00
LHR
-
ICN
1 stop17h 10m
China Southern
Deal found 29/1£341
Thu 12/308:55
ICN
-
LHR
1 stop17h 35m
China Eastern
Sun 15/321:00
LHR
-
ICN
1 stop14h 45m
China Eastern
Deal found 27/1£341
Tue 10/308:55
ICN
-
LHR
1 stop17h 35m
China Eastern
Mon 16/321:00
LHR
-
ICN
1 stop14h 45m
China Eastern
Deal found 27/1£347
Wed 4/308:55
ICN
-
LHR
1 stop17h 35m
China Eastern
Fri 13/321:00
LHR
-
ICN
1 stop14h 45m
China Eastern
Deal found 27/1£347
Tue 3/316:10
ICN
-
LHR
1 stop34h 20m
China Eastern
Sat 7/321:00
LHR
-
ICN
1 stop29h 55m
China Eastern
Deal found 28/1£348
Tue 3/312:55
ICN
-
LHR
1 stop37h 35m
China Eastern
Wed 11/321:00
LHR
-
ICN
1 stop14h 45m
China Eastern
Deal found 28/1£349
Mon 2/316:20
ICN
-
LHR
1 stop34h 10m
China Eastern
Sat 7/321:00
LHR
-
ICN
1 stop29h 55m
China Eastern
Deal found 28/1£351
Tue 3/316:10
ICN
-
LHR
1 stop34h 20m
China Eastern
Sun 8/321:00
LHR
-
ICN
1 stop35h 25m
China Eastern
Deal found 29/1£353

Find 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 29 January 2026.

Round-trip from

£340

One-way from

£130

Popular in

October

Cheapest in

November

Average price

£686

Good round-trip deal

£864 or less

Good one-way deal

£461 or less
China Eastern
  • China Eastern
  • 3/3-9/3
  • 2 total stops
  • 65h 10m total
  • Incheon to London
Search Deals
China Southern
  • China Southern
  • 12/3
  • 1 total stop
  • 35h 20m total
  • Incheon to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Incheon Intl to London Heathrow.
Search Deals
Price to beat on a one-way flight from Incheon Intl to London Heathrow.
Search Deals

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 29 January 2026.
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

Thu 25/6

08:55-18:40

1 stop17h 45m

London Heathrow

Mon 6/7

21:20-15:10

1 stop33h 50m

£402

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 26/2

23:05-17:00

1 stop26h 55m

London Heathrow

Thu 5/3

17:05-16:55

1 stop14h 50m

£505

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 26/2

10:40-16:30

Nonstop14h 50m

London Heathrow

Thu 5/3

18:50-16:25

Nonstop12h 35m

£546

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 8/2

14:15-19:10

2 stops37h 55m

London Heathrow

Wed 18/2

21:10-13:15

2 stops31h 05m

£553

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 15/4

14:30-18:40

1 stop36h 10m

London Heathrow

Mon 20/4

21:20-11:00

2 stops29h 40m

£562

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 8/2

14:15-19:10

2 stops37h 55m

London Heathrow

Wed 11/3

21:10-13:15

2 stops31h 05m

£565

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 16/2

23:00-15:15

1 stop25h 15m

London Heathrow

Thu 26/2

18:10-12:25

1 stop33h 15m

£568

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 7/5

12:20-18:50

Nonstop14h 30m

London Heathrow

Sun 17/5

13:25-10:30

Nonstop13h 05m

£573

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 6/4

21:50-20:40

1 stop30h 50m

London Heathrow

Fri 10/4

16:10-11:20

1 stop35h 10m

£576

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 18/2

23:00-20:40

1 stop30h 40m

London Heathrow

Thu 26/2

07:30-12:25

1 stop19h 55m

£578

Flights are sorted by cheapest return flights first.

Deals found on 28/1

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 23 January 2026.

Booking 80 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, March is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of £347). Flying from Incheon Intl Airport to London Heathrow Airport in July 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 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 29 January 2026.

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

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 29 January 2026.
Read through reviews of airlines operating flights from Incheon Intl Airport to London Heathrow Airport, such as Korean Air, Asiana Airlines, andChina Eastern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
1,188 reviews
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
8.1
Very Good
501 reviews
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
192 reviews
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Entertainment

8.2

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!!
Air China
7.2
Good
138 reviews
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Entertainment

8.2

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?

    China Eastern, KLM, and Virgin Atlantic can get you from Incheon Intl Airport to London Heathrow Airport in just under 14h 50m. Your travel time can differ by up to 12h 05m. 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 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 £344 on this airline. Additional options worth looking into are Air China and Asiana Airlines, starting at £428 and £471 round-trip. China Eastern is currently priced 46% below the average price you’ll pay for this route.

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

    The cheapet airlines for a one-way flight from Incheon Intl Airport to London Heathrow Airport are China Southern (£117), Air China (£128), and Etihad Airways (£238).

  • 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 (77%), Virgin Atlantic (67%) and Asiana Airlines (48%).

  • 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 £882, our data shows the cheapest flight currently is £423. When looking at the most popular route, (Incheon Intl - London Heathrow), you can expect to pay £336 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, March is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of £347). Flying from Incheon Intl Airport to London Heathrow Airport in July 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

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
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
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Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne

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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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£344Average£669FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£428Average£560FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£471Average£545FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£703Average£799FlexibilityNo 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?

Cheapflights helps you search for flights from Incheon Intl to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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