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$265+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$591
(Mytrip)

One-way from

$265
(Lufthansa)

Popular in

September

Cheapest in

November

Average price

$726

Good round-trip deal

$985 or less

Good one-way deal

$685 or less
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. 14% potential increase in price ($144 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 June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 6/195:50 pmICN - LHR
1 stop34h 40mAir China
Wed 6/258:25 pmLHR - ICN
1 stop17h 20mAir China
Deal found 6/10$591
This China Southern deal was found by Cheapflights users on 6/12. 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.
Tue 6/173:15 pmICN - LHR
1 stop35h 45mChina Southern
Tue 6/249:00 pmLHR - ICN
1 stop17h 10mChina Southern
Deal found 6/12$621
This SWISS deal was found by Cheapflights users on 6/11. 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.
Mon 7/710:05 amICN - LHR
1 stop29h 50mSWISS
Thu 8/218:05 pmLHR - ICN
1 stop28h 20mSWISS
Deal found 6/11$639
This Lufthansa deal was found by Cheapflights users on 6/11. 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.
Wed 10/1511:40 amICN - LHR
1 stop19h 00mLufthansa
Mon 10/209:00 amLHR - ICN
1 stop16h 55mLufthansa
Deal found 6/11$656
This KLM deal was found by Cheapflights users on 6/12. 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.
Tue 12/212:05 pmICN - LHR
1 stop18h 20mMultiple Airlines
Thu 12/1111:45 amLHR - ICN
1 stop20h 10mMultiple Airlines
Deal found 6/12$657
This Malaysia Airlines deal was found by Cheapflights users on 6/11. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:05 amICN - LHR
1 stop27h 30mMalaysia Airlines
Mon 1/199:25 pmLHR - ICN
1 stop24h 05mMalaysia Airlines
Deal found 6/11$668
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/232:40 pmICN - LHR
1 stop37h 20mShenzhen Airlines
Sat 8/3010:05 pmLHR - ICN
1 stop31h 35mShenzhen Airlines
Deal found 6/11$746
This Etihad Airways deal was found by Cheapflights users on 6/12. 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.
Mon 6/161:35 amICN - LHR
1 stop25h 10mEtihad Airways
Tue 6/249:45 pmLHR - ICN
1 stop16h 20mEtihad Airways
Deal found 6/12$750
This Booking.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/38:55 amICN - LHR
1 stop17h 45mChina Eastern
Mon 8/49:20 pmLHR - ICN
1 stop32h 10mChina Eastern
Deal found 6/11$773
This Air France deal was found by Cheapflights users on 6/11. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:30 amICN - LHR
1 stop20h 55mAir France
Tue 9/166:15 amLHR - ICN
1 stop16h 15mAir France
Deal found 6/11$781
This Finnair deal was found by Cheapflights users on 6/10. 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.
Tue 12/2311:00 pmICN - LHR
1 stop30h 40mFinnair
Fri 1/164:15 pmLHR - ICN
1 stop35h 10mFinnair
Deal found 6/10$787
This Vietnam Airlines deal was found by Cheapflights users on 6/12. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:55 pmICN - LHR
1 stop31h 55mVietnam Airlines
Wed 9/176:55 pmLHR - ICN
1 stop37h 40mVietnam Airlines
Deal found 6/12$796

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 June 12, 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

Mon 7/7

10:05 am-7:55 am

1 stop29h 50m

London Heathrow

Thu 8/21

8:05 pm-8:25 am

1 stop28h 20m

$639

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 10/15

11:40 am-10:40 pm

1 stop19h 00m

London Heathrow

Mon 10/20

9:00 am-9:55 am

1 stop16h 55m

$656

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 12/2

12:05 pm-9:25 pm

1 stop18h 20m

London Heathrow

Thu 12/11

11:45 am-4:55 pm

1 stop20h 10m

$657

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 12/4

11:05 am-5:35 am

1 stop27h 30m

London Heathrow

Mon 1/19

9:25 pm-6:30 am

1 stop24h 05m

$668

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 11/13

10:40 am-5:50 pm

1 stop16h 10m

London Heathrow

Thu 11/13

8:25 pm-4:35 pm

1 stop35h 10m

$734

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 8/23

2:40 pm-8:00 pm

1 stop37h 20m

London Heathrow

Sat 8/30

10:05 pm-1:40 pm

1 stop31h 35m

$746

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 7/3

8:55 am-6:40 pm

1 stop17h 45m

London Heathrow

Mon 8/4

9:20 pm-1:30 pm

1 stop32h 10m

$773

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 9/9

8:30 am-9:25 pm

1 stop20h 55m

London Heathrow

Tue 9/16

6:15 am-6:30 am

1 stop16h 15m

$781

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 9/8

5:55 pm-5:50 pm

1 stop31h 55m

London Heathrow

Wed 9/17

6:55 pm-4:35 pm

1 stop37h 40m

$796

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 7/20

6:30 pm-6:45 pm

1 stop32h 15m

London Heathrow

Thu 7/31

8:55 pm-10:05 pm

1 stop17h 10m

$809

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 27 results
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The best insider tips for Incheon Intl Airport to London Heathrow Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to London Heathrow Airport trip
Airports
ICN

Plan for extra time at security as lines can be long, sometimes up to 20 minutes, especially during busy periods.

Read more about ICNby Gabriel Leigh
LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station in about 15 minutes.

Read more about LHRby Ramsey Qubein
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 June 9, 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, 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 $1,108). 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 June 12, 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 33% 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 June 12, 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 June 12, 2025.
Get a feel of what it's like to fly with EVA Air, China Airlines and Emirates 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
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very good
3,264 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
KLM
7.8
Good
1,358 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Thai Airways
7.7
Good
335 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 $591, 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 $621 and $639, 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 Lufthansa. According to our data, you can fly for as low as $265. Users have also found prices from $282 and $292 on China Eastern 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 (56%), Korean Air (45%), Asiana Airlines (41%).

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

    On average you can expect to pay $1,895 for a flight from Incheon Intl Airport to London Heathrow Airport. The cheapest flight overall is $676 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at $545.

  • 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 $1,108). 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
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$550Average$764FlexibilityNo cancel feeOn-time67%
FinnairCheapest$624Average$759FlexibilityNo cancel feeOn-time76%
Etihad AirwaysCheapest$672Average$806FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$682Average$948FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$822Average$973FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$847Average$1,198FlexibilityNo cancel feeOn-time81%

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