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Cheap flights from Incheon Intl Airport to London Heathrow Airport from £215

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 22/12. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
9 Jul — 16 Jul1
1 adult

Cheapflights Tip: The best prices from Incheon Intl to London Heathrow are usually found in November or March, booked 52 days in advance, depart on a Monday or Wednesday 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 4 July 2025.

Round-trip from

£481

One-way from

£215

Popular in

September

Cheapest in

November

Average price

£726

Good round-trip deal

£732 or less

Good one-way deal

£511 or less
China Southern
  • China Southern
  • 10/9-19/9
  • 2 total stops
  • 58h 25m total
  • Incheon to London
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Etihad Airways
  • Etihad Airways
  • 22/12
  • 1 total stop
  • 38h 55m total
  • Incheon to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£77 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 July 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 4 July 2025.

Wed 10/901:35ICN - LHR
1 stop25h 10mMultiple Airlines
Sat 20/922:10LHR - ICN
1 stop33h 15mMultiple Airlines
Deal found 1/7£481
Wed 10/921:50ICN - LHR
1 stop32h 20mFinnair
Mon 15/913:00LHR - ICN
1 stop38h 20mFinnair
Deal found 1/7£483
Sat 18/1016:45ICN - LHR
1 stop34h 15mChina Southern
Wed 29/1022:00LHR - ICN
1 stop32h 15mChina Southern
Deal found 3/7£489
Wed 22/1001:35ICN - LHR
1 stop25h 10mEtihad Airways
Wed 29/1020:55LHR - ICN
1 stop29h 10mEtihad Airways
Deal found 2/7£492
Mon 10/1114:55ICN - LHR
1 stop37h 45mAir China
Sat 15/1121:35LHR - ICN
1 stop30h 20mAir China
Deal found 3/7£496

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 4 July 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

Wed 10/9

01:35-18:45

1 stop25h 10m

London Heathrow

Fri 19/9

22:10-15:25

1 stop33h 15m

£481

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 10/9

21:50-22:10

1 stop32h 20m

London Heathrow

Mon 15/9

13:00-11:20

1 stop38h 20m

£483

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 18/10

16:45-19:00

1 stop34h 15m

London Heathrow

Wed 29/10

22:00-15:15

1 stop32h 15m

£489

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 10/11

14:55-19:40

1 stop37h 45m

London Heathrow

Sat 15/11

21:35-12:55

1 stop30h 20m

£496

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 12/9

01:35-07:00

1 stop37h 25m

London Heathrow

Sun 18/1

09:00-22:15

1 stop28h 15m

£500

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 22/12

00:50-06:45

1 stop38h 55m

£215

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 12/12

17:55-07:15

1 stop22h 20m

£224

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 9/9

11:20-22:00

1 stop18h 40m

£226

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 22/10

09:25-18:05

1 stop16h 40m

£232

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 23/7

14:55-20:15

1 stop37h 20m

£240

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 11 results
1
2

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 27 June 2025.

Booking 52 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 4 July 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 at midday.

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 4 July 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).

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 4 July 2025.
Read through reviews of airlines operating flights from Incheon Intl Airport to London Heathrow Airport, such as LOT, China Southern, andFinnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,093 reviews
Check prices

Entertainment

7.0

Crew

8.2

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
LOT
7.6
Good
1,093 reviews
LOT
7.6
Good
1,093 reviews
Check prices

Entertainment

7.0

Crew

8.2

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
China Southern
7.6
Good
100 reviews
LOT
7.6
Good
1,093 reviews
Check prices

Entertainment

7.0

Crew

8.2

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Finnair
7.6
Good
1,304 reviews
LOT
7.6
Good
1,093 reviews
Check prices

Entertainment

7.0

Crew

8.2

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Vietnam Airlines
7.5
Good
194 reviews
LOT
7.6
Good
1,093 reviews
Check prices

Entertainment

7.0

Crew

8.2

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Etihad Airways
7.4
Good
1,220 reviews
LOT
7.6
Good
1,093 reviews
Check prices

Entertainment

7.0

Crew

8.2

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

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 Finnair. Our recent data shows that you can find tickets from as low as £483 on this airline. Additional options worth looking into are China Southern and Air China, starting at £489 and £496 round-trip. Finnair is currently priced 22% 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 Etihad Airways (£215), Vietnam Airlines (£224), and LOT (£226).

  • 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 (73%), Virgin Atlantic (69%) and Asiana Airlines (41%).

  • 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 £1,301, our data shows the cheapest flight currently is £461. When looking at the most popular route, (Incheon Intl - London Heathrow), you can expect to pay £465 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
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Hayes
Folkestone
Southend-on-Sea
Watford
Ipswich
Winchester
Swindon
Maidstone

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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£348Average£520FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
FinnairCheapest£551Average£658FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Asiana AirlinesCheapest£636Average£734FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£660Average£834FlexibilityNo 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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