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$217+ Cheap flights from Incheon Intl (ICN) to Heathrow (LHR)

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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1. Tell us where you want to go

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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 Saturday or Monday 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 abril 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$518
(Mytrip)

One-way from

$217
(FlightHub)

Popular in

September

Cheapest in

November

Average price

$918

Good round-trip deal

$830 or less

Good one-way deal

$671 or less
Provider with most accurate pricing for Incheon Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-London Heathrow flights.
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From Incheon Intl to London Heathrow
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One-way flight from Incheon Intl to London Heathrow
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Highest demand for flights based on searches. 15% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 29, 2025.

This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/38:55 amICN - LHR
1 stop17h 45mChina Eastern
lun. 6/99:20 pmLHR - ICN
1 stop34h 05mChina Eastern
Deal found 4/29$518
This SWISS deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/1910:05 amICN - LHR
1 stop19h 40mSWISS
mar. 5/207:00 amLHR - ICN
2 stops17h 25mSWISS
Deal found 4/28$542
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/38:55 amICN - LHR
1 stop17h 45mMultiple Airlines
lun. 6/910:00 pmLHR - ICN
2 stops39h 30mMultiple Airlines
Deal found 4/29$584
This FlightHub deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2711:00 amICN - LHR
1 stop37h 35mMalaysia Airlines
mar. 12/910:25 amLHR - ICN
1 stop26h 45mMalaysia Airlines
Deal found 4/29$641
This KLM deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/2410:25 pmICN - LHR
1 stop20h 20mKLM
mié. 7/1611:45 amLHR - ICN
1 stop20h 40mKLM
Deal found 4/29$656
This Lufthansa deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/151:30 pmICN - LHR
1 stop18h 25mLufthansa
mié. 12/3111:30 amLHR - ICN
1 stop14h 20mLufthansa
Deal found 4/28$662
This Finnair deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/311:00 pmICN - LHR
1 stop25h 15mFinnair
lun. 11/1010:20 amLHR - ICN
1 stop17h 00mFinnair
Deal found 4/28$672
This China Southern deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/199:25 amICN - LHR
1 stop16h 40mChina Southern
sáb. 6/2810:10 pmLHR - ICN
1 stop31h 45mChina Southern
Deal found 4/28$682
This Etihad Airways deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/181:35 amICN - LHR
1 stop19h 10mEtihad Airways
mar. 7/19:45 pmLHR - ICN
1 stop16h 20mEtihad Airways
Deal found 4/27$690
This Shenzhen Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/24:40 pmICN - LHR
1 stop35h 30mShenzhen Airlines
vie. 11/79:10 pmLHR - ICN
1 stop31h 45mShenzhen Airlines
Deal found 4/28$747

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated abril 29, 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

mar. 6/3

8:55 am-6:40 pm

1 stop17h 45m

London Heathrow

lun. 6/9

9:20 pm-3:25 pm

1 stop34h 05m

$518

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

lun. 5/19

10:05 am-9:45 pm

1 stop19h 40m

London Heathrow

mar. 5/20

7:00 am-8:25 am

2 stops17h 25m

$542

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mar. 6/3

8:55 am-6:40 pm

1 stop17h 45m

London Heathrow

lun. 6/9

10:00 pm-9:30 pm

2 stops39h 30m

$584

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

sáb. 9/27

11:00 am-4:35 pm

1 stop37h 35m

London Heathrow

mar. 12/9

10:25 am-10:10 pm

1 stop26h 45m

$641

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mar. 6/24

10:25 pm-10:45 am

1 stop20h 20m

London Heathrow

mié. 7/16

11:45 am-4:25 pm

1 stop20h 40m

$656

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

jue. 6/19

9:25 am-6:05 pm

1 stop16h 40m

London Heathrow

sáb. 6/28

10:10 pm-1:55 pm

1 stop31h 45m

$682

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

vie. 5/23

11:40 am-10:10 pm

2 stops18h 30m

London Heathrow

dom. 6/1

9:00 am-9:55 am

1 stop16h 55m

$685

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mié. 6/18

1:35 am-12:45 pm

1 stop19h 10m

London Heathrow

mar. 7/1

9:45 pm-10:05 pm

1 stop16h 20m

$690

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

vie. 6/6

2:50 pm-7:50 pm

2 stops37h 00m

London Heathrow

dom. 6/8

10:05 pm-1:40 pm

1 stop31h 35m

$753

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

sáb. 5/24

3:15 pm-7:00 pm

1 stop35h 45m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 27 results
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Compare providers for flights from Incheon Intl to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Heathrow in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Incheon Intl Airport-London Heathrow Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Incheon Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-London Heathrow Airport flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Incheon Intl to Heathrow. Price data was last updated on April 25, 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, November is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of $661). Flying from Incheon Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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 abril 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Incheon Intl Airport to London Heathrow Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking 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 abril 29, 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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 abril 29, 2025.
Get a feel of what it's like to fly with EVA Air, China Airlines and Singapore Airlines from Seoul to London by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

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

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

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.
China Airlines
8.3
Very good
732 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

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.
Singapore Airlines
8.1
Very good
1,292 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

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

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

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
1,334 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

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?

    Currently priced at $518, China Eastern will fly you from Incheon Intl Airport to London Heathrow Airport and back. In addition to China Eastern, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from SWISS and Malaysia Airlines - these airlines can fly you to your destination from $542 and $641, respectively. China Eastern is priced at 38% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for China Southern. According to our data, you can fly for as low as $217. Users have also found prices from $270 and $286 on Air China and Malaysia Airlines, respectively.

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

    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 Heathrow Airport on time: Korean Air (63%), Virgin Atlantic (62%), Asiana Airlines (56%).

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

    On average you can expect to pay $813 for a flight from Incheon Intl Airport to London Heathrow Airport. The cheapest flight overall is $545 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at $563.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of $661). Flying from Incheon Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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Top 6 airlines flying from Incheon Intl to Heathrow

Discover the top 6 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 2,558,603 searches. Data last updated abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$552Average$771FlexibilityNo cancel feeOn-time67%
FinnairCheapest$624Average$759FlexibilityNo cancel feeOn-time76%
Etihad AirwaysCheapest$672Average$806FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$682Average$842FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$825Average$991FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$847Average$1,103FlexibilityNo cancel feeOn-time81%

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