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Cheap flights from Incheon Intl Airport to London Heathrow Airport from £163

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Incheon Intl to London Heathrow are usually found in November or March, booked 31 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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 29 April 2025.

Round-trip from

£387

One-way from

£163

Popular in

September

Cheapest in

November

Average price

£687

Good one-way deal

£511 or less
Air China
  • Air China
  • 16/5-20/5
  • 2 total stops
  • 68h 15m total
  • Incheon to London
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China Southern
  • China Southern
  • 24/5
  • 1 total stop
  • 35h 45m total
  • Incheon to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£82 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 29 April 2025.

Fri 16/514:55ICN - LHR
1 stop37h 20mAir China
Tue 20/522:00LHR - ICN
1 stop30h 55mAir China
Deal found 28/4£387
Fri 23/518:25ICN - LHR
1 stop32h 15mChina Eastern
Tue 27/521:20LHR - ICN
1 stop15h 25mChina Eastern
Deal found 28/4£388
Wed 28/516:45ICN - LHR
1 stop34h 15mMultiple Airlines
Wed 4/622:00LHR - ICN
1 stop39h 30mMultiple Airlines
Deal found 28/4£418
Wed 14/516:45ICN - LHR
1 stop34h 15mChina Southern
Sat 24/521:00LHR - ICN
1 stop17h 10mChina Southern
Deal found 28/4£436
Wed 11/600:10ICN - LHR
1 stop24h 25mMalaysia Airlines
Thu 19/611:00LHR - ICN
1 stop25h 25mMalaysia Airlines
Deal found 28/4£457
Mon 26/501:35ICN - LHR
1 stop37h 25mEtihad Airways
Sun 1/621:45LHR - ICN
1 stop16h 20mEtihad Airways
Deal found 28/4£463
Tue 28/1023:00ICN - LHR
1 stop30h 40mFinnair
Sun 2/1113:35LHR - ICN
1 stop37h 45mFinnair
Deal found 28/4£472
Wed 24/1212:55ICN - LHR
1 stop18h 20mLufthansa
Wed 31/1211:30LHR - ICN
1 stop14h 20mLufthansa
Deal found 28/4£493
Wed 14/510:05ICN - LHR
2 stops19h 25mSWISS
Sun 18/508:45LHR - ICN
1 stop15h 40mSWISS
Deal found 28/4£499
Mon 7/722:25ICN - LHR
1 stop20h 20mKLM
Wed 16/717:10LHR - ICN
1 stop15h 15mKLM
Deal found 27/4£508

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 April 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

Fri 16/5

14:55-20:15

1 stop37h 20m

London Heathrow

Tue 20/5

22:00-12:55

1 stop30h 55m

£387

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 23/5

18:25-18:40

1 stop32h 15m

London Heathrow

Tue 27/5

21:20-20:45

1 stop15h 25m

£388

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 28/5

16:45-19:00

1 stop34h 15m

London Heathrow

Wed 4/6

22:00-21:30

1 stop39h 30m

£418

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 14/5

16:45-19:00

1 stop34h 15m

London Heathrow

Sat 24/5

21:00-22:10

1 stop17h 10m

£436

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 11/6

00:10-16:35

1 stop24h 25m

London Heathrow

Wed 18/6

21:35-07:10

1 stop25h 35m

£457

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 26/5

01:35-07:00

1 stop37h 25m

London Heathrow

Sun 1/6

21:45-22:05

1 stop16h 20m

£463

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 14/5

10:05-21:30

2 stops19h 25m

London Heathrow

Sun 18/5

08:45-08:25

1 stop15h 40m

£499

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 7/7

22:25-10:45

1 stop20h 20m

London Heathrow

Wed 16/7

17:10-16:25

1 stop15h 15m

£508

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 24/5

15:15-19:00

1 stop35h 45m

£163

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 2/6

16:20-18:40

1 stop34h 20m

£169

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 24 results
1
2
3

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 25 April 2025.

Booking 31 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 29 April 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 39% versus a flight in the morning.

Weekly flight availability from Incheon Intl Airport to London Heathrow Airport

Explore weekly flight availability from Incheon Intl to Heathrow. 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 29 April 2025.

The most flights from ICN to LHR are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 April 2025.
See what other customers who have flown with EVA Air, Emirates and KLM from Seoul to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Entertainment

8.0

Food

8.1

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very Good
1,186 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Entertainment

8.0

Food

8.1

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Emirates
8.0
Very Good
3,213 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Entertainment

8.0

Food

8.1

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
KLM
7.8
Good
1,333 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Entertainment

8.0

Food

8.1

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Thai Airways
7.7
Good
325 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Entertainment

8.0

Food

8.1

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
SWISS
7.5
Good
1,588 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Entertainment

8.0

Food

8.1

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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.

  • 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 Air China. Our recent data shows that you can find tickets from as low as £387 on this airline. Additional options worth looking into are China Eastern and China Southern, starting at £388 and £436 round-trip. Air China is currently priced 38% 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 (£163), China Eastern (£169), and Air China (£195).

  • 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 (63%), Virgin Atlantic (62%) and Asiana Airlines (56%).

  • 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 £592, our data shows the cheapest flight currently is £450. When looking at the most popular route, (Incheon Intl - London Heathrow), you can expect to pay £367 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 Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Swindon
Folkestone
Dartford

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 3 airlines flying from Incheon Intl to Heathrow

Discover the top 3 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 April 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£355Average£543FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Asiana AirlinesCheapest£650Average£818FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£674Average£888FlexibilityNo 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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