HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$260+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Incheon Intl to Heathrow with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Monday 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$551
(Mytrip)

One-way from

$260
(Mytrip)

Popular in

September

Cheapest in

November

Average price

$687

Good round-trip deal

$988 or less

Good one-way deal

$471 or less
Provider with most accurate pricing for Incheon Intl-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Incheon Intl-London Heathrow flights.
Search Deals
From Incheon Intl to London Heathrow
Search Deals
One-way flight from Incheon Intl to London Heathrow
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Incheon Intl to London Heathrow.
Search Deals
Price to beat on a one-way flight from Incheon Intl to London Heathrow.
Search Deals

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 March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/72:55 pmICN - LHR
1 stop37h 20mAir China
Mon 4/2110:40 pmLHR - ICN
1 stop28h 55mAir China
Deal found 3/27$551
This FlightHub deal was found by Cheapflights users on 3/26. 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.
Wed 6/46:25 pmICN - LHR
1 stop32h 15mChina Eastern
Mon 6/169:20 pmLHR - ICN
1 stop32h 10mChina Eastern
Deal found 3/26$563
This KLM deal was found by Cheapflights users on 3/26. 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.
Thu 3/2711:05 pmICN - LHR
1 stop18h 55mKLM
Tue 4/18:55 pmLHR - ICN
1 stop35h 30mKLM
Deal found 3/26$582
This China Southern deal was found by Cheapflights users on 3/26. 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.
Wed 6/49:25 amICN - LHR
1 stop16h 40mChina Southern
Sat 6/1410:10 pmLHR - ICN
1 stop31h 45mChina Southern
Deal found 3/26$593
This Lufthansa deal was found by Cheapflights users on 3/25. 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.
Fri 3/281:30 pmICN - LHR
1 stop18h 25mLufthansa
Mon 3/318:30 amLHR - ICN
1 stop17h 25mLufthansa
Deal found 3/25$601
This SWISS deal was found by Cheapflights users on 3/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2911:00 amICN - LHR
1 stop19h 40mSWISS
Mon 3/316:40 pmLHR - ICN
1 stop29h 45mSWISS
Deal found 3/27$611
This Finnair deal was found by Cheapflights users on 3/26. 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 4/89:50 pmICN - LHR
1 stop27h 15mFinnair
Tue 4/159:30 amLHR - ICN
1 stop17h 50mFinnair
Deal found 3/26$616
This Malaysia Airlines deal was found by Cheapflights users on 3/27. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1712:10 amICN - LHR
1 stop24h 25mMalaysia Airlines
Wed 5/289:35 pmLHR - ICN
1 stop25h 35mMalaysia Airlines
Deal found 3/27$617
This Gotogate deal was found by Cheapflights users on 3/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/244:45 pmICN - LHR
1 stop34h 15mMultiple Airlines
Wed 7/210:00 pmLHR - ICN
1 stop39h 30mMultiple Airlines
Deal found 3/27$630
This oojo deal was found by Cheapflights users on 3/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/71:35 amICN - LHR
1 stop25h 10mEtihad Airways
Tue 4/159:30 amLHR - ICN
1 stop28h 35mEtihad Airways
Deal found 3/26$658
This Shenzhen Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 5/94:40 pmICN - LHR
1 stop35h 10mShenzhen Airlines
Wed 5/2810:05 pmLHR - ICN
1 stop33h 35mShenzhen Airlines
Deal found 3/26$702
This oojo deal was found by Cheapflights users on 3/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/712:15 pmICN - LHR
1 stop38h 45mAir India
Thu 8/282:00 pmLHR - ICN
1 stop36h 40mAir India
Deal found 3/26$773

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 March 28, 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 4/7

2:55 pm-8:15 pm

1 stop37h 20m

London Heathrow

Mon 4/21

10:40 pm-11:35 am

1 stop28h 55m

$551

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 6/4

6:25 pm-6:40 pm

1 stop32h 15m

London Heathrow

Mon 6/16

9:20 pm-1:30 pm

1 stop32h 10m

$563

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 6/4

9:25 am-6:05 pm

1 stop16h 40m

London Heathrow

Sat 6/14

10:10 pm-1:55 pm

1 stop31h 45m

$593

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 4/8

9:50 pm-5:05 pm

1 stop27h 15m

London Heathrow

Tue 4/15

9:30 am-11:20 am

1 stop17h 50m

$616

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 5/17

12:10 am-4:35 pm

1 stop24h 25m

London Heathrow

Wed 5/28

9:35 pm-7:10 am

1 stop25h 35m

$617

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 5/6

11:40 am-10:10 pm

2 stops18h 30m

London Heathrow

Tue 5/13

10:30 am-9:55 am

1 stop15h 25m

$623

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 6/24

4:45 pm-7:00 pm

1 stop34h 15m

London Heathrow

Wed 7/2

10:00 pm-9:30 pm

1 stop39h 30m

$630

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 5/21

10:05 am-7:20 pm

1 stop17h 15m

London Heathrow

Tue 5/27

7:00 am-8:25 am

2 stops17h 25m

$645

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 4/7

1:35 am-6:45 pm

1 stop25h 10m

London Heathrow

Tue 4/15

9:30 am-10:05 pm

1 stop28h 35m

$658

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 4/9

8:30 am-7:25 pm

2 stops18h 55m

London Heathrow

Tue 4/22

8:55 pm-4:25 pm

1 stop35h 30m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 33 results
1
2
3
4

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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy2 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 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.

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 March 21, 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 $1,115). 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 March 28, 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.

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 March 28, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and China 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
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

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
1,169 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

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.
Korean Air
8.4
Very good
1,050 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

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
8.2
Very good
722 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

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.
Asiana Airlines
8.2
Very good
440 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

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
3,190 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

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 $551, 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 Eastern and China Southern - these airlines can fly you to your destination from $563 and $593, respectively. Air China is priced at 34% 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 Air China. According to our data, you can fly for as low as $260. Users have also found prices from $265 and $276 on China Eastern 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 (69%), Asiana Airlines (67%), Virgin Atlantic (66%).

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

    On average you can expect to pay $1,068 for a flight from Incheon Intl Airport to London Heathrow Airport. The cheapest flight overall is $463 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at $507.

  • 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 $1,115). 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
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$552Average$748FlexibilityNo cancel feeOn-time67%
Etihad AirwaysCheapest$672Average$836FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$682Average$783FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$897Average$1,026FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$976Average$1,198FlexibilityNo cancel feeOn-time81%
KLMCheapest$1,630Average$1,695FlexibilityNo cancel feeOn-time75%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.