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$293+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
ene. 28 — feb. 41
mar. 1/28
mar. 2/4
1 adult, Economy
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The best prices from Incheon Intl to London Heathrow are usually found in March or November, booked 60 days in advance, depart on a Monday or Tuesday 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 enero 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$577
(Air China)

One-way from

$293
(Shenzhen Airlines)

Popular in

September

Cheapest in

March

Average price

$851

Good round-trip deal

$937 or less

Good one-way deal

$465 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 ($22 potential savings vs. average RT price).
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Average for round-trip flights in January 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 enero 23, 2025.

This Air China deal was found by Cheapflights users on 1/23. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/255:50 pmICN - LHR
1 stop33h 00mAir China
sáb. 3/85:40 pmLHR - ICN
1 stop13h 55mAir China
Deal found 1/23$577
This Booking.com deal was found by Cheapflights users on 1/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/52:50 pmICN - LHR
1 stop36h 25mChina Southern
sáb. 3/89:30 pmLHR - ICN
1 stop15h 45mChina Southern
Deal found 1/23$586
This Lufthansa deal was found by Cheapflights users on 1/22. 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.
mié. 3/2611:00 amICN - LHR
1 stop19h 40mSWISS
mar. 4/18:45 amLHR - ICN
1 stop15h 40mSWISS
Deal found 1/22$591
This KLM deal was found by Cheapflights users on 1/23. 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.
vie. 2/711:05 pmICN - LHR
2 stops20h 25mMultiple Airlines
mié. 3/125:05 pmLHR - ICN
1 stop14h 50mMultiple Airlines
Deal found 1/23$593
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/268:55 amICN - LHR
1 stop17h 35mChina Eastern
vie. 3/79:00 pmLHR - ICN
1 stop14h 45mChina Eastern
Deal found 1/23$600
This Lufthansa deal was found by Cheapflights users on 1/23. 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.
mié. 12/31:30 pmICN - LHR
1 stop16h 30mLufthansa
mié. 12/1711:10 amLHR - ICN
1 stop15h 05mLufthansa
Deal found 1/23$607
This FlightHub deal was found by Cheapflights users on 1/23. 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. 3/11:25 pmICN - LHR
1 stop29h 10mLOT
sáb. 3/86:10 pmLHR - ICN
1 stop28h 30mLOT
Deal found 1/23$611
This Shenzhen Airlines deal was found by Cheapflights users on 1/23. 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.
mié. 2/192:15 pmICN - LHR
2 stops61h 55mShenzhen Airlines
lun. 2/249:10 pmLHR - ICN
2 stops31h 05mShenzhen Airlines
Deal found 1/23$630
This Etihad Airways deal was found by Cheapflights users on 1/22. 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.
lun. 5/191:30 amICN - LHR
1 stop37h 15mEtihad Airways
jue. 6/199:55 pmLHR - ICN
1 stop16h 45mEtihad Airways
Deal found 1/22$664
This Finnair deal was found by Cheapflights users on 1/23. 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.
mar. 2/411:00 pmICN - LHR
1 stop27h 00mFinnair
vie. 2/141:10 pmLHR - ICN
1 stop38h 10mFinnair
Deal found 1/23$721
This Turkish Airlines deal was found by Cheapflights users on 1/23. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/512:10 amICN - LHR
1 stop31h 15mTurkish Airlines
jue. 2/136:35 amLHR - ICN
1 stop17h 30mTurkish Airlines
Deal found 1/23$758
This FlightHub deal was found by Cheapflights users on 1/22. 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. 8/212:15 pmICN - LHR
1 stop31h 15mAir India
sáb. 8/169:45 amLHR - ICN
1 stop16h 55mAir India
Deal found 1/22$768

Find flights from Incheon Intl to Heathrow within your budget

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 enero 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mar. 2/25

5:50 pm-5:50 pm

1 stop33h 00m

London Heathrow

sáb. 3/8

5:40 pm-4:35 pm

1 stop13h 55m

$577

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mié. 2/5

2:50 pm-6:15 pm

1 stop36h 25m

London Heathrow

sáb. 3/8

9:30 pm-10:15 pm

1 stop15h 45m

$586

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mié. 3/26

11:00 am-9:40 pm

1 stop19h 40m

London Heathrow

mar. 4/1

8:45 am-8:25 am

1 stop15h 40m

$591

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

vie. 2/7

11:05 pm-10:30 am

2 stops20h 25m

London Heathrow

mié. 3/12

5:05 pm-4:55 pm

1 stop14h 50m

$593

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mié. 2/26

8:55 am-5:30 pm

1 stop17h 35m

London Heathrow

vie. 3/7

9:00 pm-8:45 pm

1 stop14h 45m

$600

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mar. 2/25

1:30 pm-9:00 pm

1 stop16h 30m

London Heathrow

vie. 3/7

11:30 am-10:50 am

1 stop14h 20m

$609

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

sáb. 3/1

1:25 pm-9:35 am

1 stop29h 10m

London Heathrow

sáb. 3/8

6:10 pm-7:40 am

1 stop28h 30m

$611

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mié. 2/19

2:15 pm-7:10 pm

2 stops61h 55m

London Heathrow

lun. 2/24

9:10 pm-1:15 pm

2 stops31h 05m

$630

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

lun. 5/19

1:30 am-6:45 am

1 stop37h 15m

London Heathrow

jue. 6/19

9:55 pm-10:40 pm

1 stop16h 45m

$664

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mar. 2/4

11:00 pm-5:00 pm

1 stop27h 00m

London Heathrow

vie. 2/14

1:10 pm-12:20 pm

1 stop38h 10m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 28 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 January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 stars
FlightnetworkPrice Accuracy2 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Incheon Intl to Heathrow

Get recent, data-driven insights about flights from Incheon Intl to Heathrow including ideal travel times, pricing trends, and more.

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 January 17, 2025.

Booking 60 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 $1,137). 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 enero 23, 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 38% 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 enero 23, 2025.

The most flights from ICN to LHR are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 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 enero 23, 2025.
Get a feel of what it's like to fly with Finnair, KLM and Air China 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.
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

Korean Air
8.5
Very good
1,037 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

EVA Air
8.4
Very good
1,252 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

Japan Airlines
8.3
Very good
1,446 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

Asiana Airlines
8.3
Very good
466 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

KLM
7.8
Good
1,338 reviews
Korean Air
8.5
Very good
1,037 reviews

Food

8.1

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.5

Crew

8.8

Reviews

1 / 10

A great airline with very attentive flight crew. Comfortable seats with more legroom than some other carriers. Good was relatively good and is included in many flights! Highly recommend.

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 $577, Air China will fly you from Incheon Intl Airport to London Heathrow Airport and back. In addition to Air China, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Southern and SWISS - these airlines can fly you to your destination from $586 and $591, respectively. Air China is priced at 30% 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 Shenzhen Airlines. According to our data, you can fly for as low as $293. Users have also found prices from $308 and $347 on KLM and Vietnam 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: Virgin Atlantic (68%), Korean Air (51%), Asiana Airlines (36%).

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

    On average you can expect to pay $851 for a flight from Incheon Intl Airport to London Heathrow Airport. The cheapest flight overall is $462 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at $499.

  • 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 $1,137). 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
Harrow
Luton
Wembley
Canterbury
Northampton
Gatwick
Horley
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Incheon Intl to Heathrow

Discover the top 8 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 enero 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$476Average$717FlexibilityNo cancel feeOn-time62%
China SouthernCheapest$515Average$578FlexibilityNo cancel feeOn-time69%
Etihad AirwaysCheapest$547Average$806FlexibilityNo cancel feeOn-time75%
Air ChinaCheapest$550Average$748FlexibilityNo cancel feeOn-time67%
FinnairCheapest$624Average$882FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$897Average$1,080FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$976Average$1,236FlexibilityNo cancel feeOn-time81%
KLMCheapest$1,630Average$1,695FlexibilityNo cancel feeOn-time75%
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