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$194+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to London Heathrow are usually found in November or June, booked 76 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap 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 19, 2026.

This FlightHub deal was found by Cheapflights users on 3/16. 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 5/136:25 pm
ICN
-
LHR
1 stop32h 15m
China Eastern
Sun 5/179:20 pm
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 3/16$497
This Trip.com deal was found by Cheapflights users on 3/15. 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.
Fri 6/59:25 am
ICN
-
LHR
1 stop16h 40m
China Southern
Thu 6/1110:10 pm
LHR
-
ICN
1 stop33h 15m
China Southern
Deal found 3/15$510
This China Eastern deal was found by Cheapflights users on 3/15. 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 Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/84:20 pm
ICN
-
LHR
1 stop34h 20m
China Eastern
Mon 6/229:20 pm
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 3/15$547
This Priceline deal was found by Cheapflights users on 3/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:25 pm
ICN
-
LHR
1 stop32h 15m
China Eastern
Sun 5/179:20 pm
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 3/16$548
This FlightHub deal was found by Cheapflights users on 3/18. 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.
Thu 5/74:15 pm
ICN
-
LHR
1 stop34h 25m
China Eastern
Wed 6/249:20 pm
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 3/18$552
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:25 pm
ICN
-
LHR
1 stop32h 15m
Multiple Airlines
Sun 5/179:00 pm
LHR
-
ICN
1 stop17h 10m
Multiple Airlines
Deal found 3/16$559
This Booking.com deal was found by Cheapflights users on 3/17. 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.
Fri 5/83:15 pm
ICN
-
LHR
1 stop36h 35m
Shenzhen Airlines
Fri 5/1510:05 pm
LHR
-
ICN
1 stop32h 10m
Shenzhen Airlines
Deal found 3/17$564
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 5/85:45 pm
ICN
-
LHR
1 stop34h 05m
Shenzhen Airlines
Wed 6/2410:05 pm
LHR
-
ICN
1 stop32h 10m
Shenzhen Airlines
Deal found 3/18$571
This Shenzhen Airlines deal was found by Cheapflights users on 3/16. 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 5/83:15 pm
ICN
-
LHR
1 stop36h 35m
Shenzhen Airlines
Wed 5/1310:05 pm
LHR
-
ICN
1 stop32h 10m
Shenzhen Airlines
Deal found 3/16$574
This Shenzhen Airlines deal was found by Cheapflights users on 3/18. 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 5/85:45 pm
ICN
-
LHR
1 stop34h 05m
Shenzhen Airlines
Fri 6/2610:05 pm
LHR
-
ICN
1 stop34h 40m
Shenzhen Airlines
Deal found 3/18$575
This Shenzhen Airlines deal was found by Cheapflights users on 3/19. 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.
Tue 5/263:15 pm
ICN
-
LHR
1 stop36h 45m
Shenzhen Airlines
Wed 6/310:05 pm
LHR
-
ICN
1 stop34h 40m
Shenzhen Airlines
Deal found 3/19$576
This Shenzhen Airlines deal was found by Cheapflights users on 3/18. 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.
Sat 5/93:15 pm
ICN
-
LHR
1 stop36h 45m
Shenzhen Airlines
Mon 6/2210:05 pm
LHR
-
ICN
1 stop34h 40m
Shenzhen Airlines
Deal found 3/18$577

Find 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 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$497
(FlightHub)

One-way from

$194
(Priceline)

Popular in

October

Cheapest in

November

Average price

$739

Good round-trip deal

$762 or less

Good one-way deal

$592 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.
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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. 14% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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

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 19, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 6/25

5:45 pm-8:00 pm

1 stop34h 15m

London Heathrow

Mon 7/6

10:05 pm-4:45 pm

1 stop34h 40m

$725
Quickest round-trip

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 4/1

10:55 am-5:20 pm

Nonstop14h 25m

London Heathrow

Tue 4/7

7:35 pm-4:15 pm

Nonstop12h 40m

$775

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 5/13

12:25 pm-6:50 pm

Nonstop14h 25m

London Heathrow

Mon 5/25

1:25 pm-10:05 am

Nonstop12h 40m

$794

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 5/21

7:50 am-2:20 pm

Nonstop14h 30m

London Heathrow

Sun 5/31

4:35 pm-1:20 pm

Nonstop12h 45m

$800

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 6/2

7:50 am-2:20 pm

Nonstop14h 30m

London Heathrow

Wed 6/17

4:35 pm-1:20 pm

Nonstop12h 45m

$800

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 5/21

8:55 am-6:40 pm

1 stop17h 45m

London Heathrow

Sun 5/31

6:15 am-3:10 pm

2 stops24h 55m

$825

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 6/2

7:45 pm-7:20 pm

2 stops31h 35m

London Heathrow

Mon 6/15

9:35 pm-6:45 pm

2 stops37h 10m

$888

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 6/12

10:55 am-5:20 pm

Nonstop14h 25m

London Heathrow

Sun 6/14

7:35 pm-4:15 pm

Nonstop12h 40m

$893

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 6/2

12:00 pm-7:20 pm

2 stops39h 20m

London Heathrow

Wed 6/17

9:35 pm-6:45 pm

2 stops37h 10m

$901
Cheapest one-way

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 6/14

12:10 am-4:35 pm

1 stop24h 25m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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 13, 2026.

Booking 76 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, February is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of $459). Flying from Incheon Intl Airport to London Heathrow Airport in August is currently the most expensive (average of $733). 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 19, 2026.

When flying from Incheon Intl Airport to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Incheon Intl Airport to London Heathrow Airport?

The best insider tips for Incheon Intl Airport to London Heathrow Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to London Heathrow Airport trip
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

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

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

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 19, 2026.
Read reviews from past customers who have flown Korean Air,Asiana Airlines, andAir China from Incheon Intl Airport to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,205 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,205 reviews
Korean Air
8.4
Very good
1,205 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.1
Very good
506 reviews
Korean Air
8.4
Very good
1,205 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air China
7.3
Good
142 reviews
Korean Air
8.4
Very good
1,205 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Lufthansa
6.8
Okay
7,857 reviews
Korean Air
8.4
Very good
1,205 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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.

  • How long is the flight from Incheon Intl Airport to London Heathrow Airport?

    Shenzhen Airlines and Virgin Atlantic can get you from Incheon Intl Airport to London Heathrow Airport in just under 14h 25m. Your travel time can differ by up to 19h 50m. The distance between Incheon Intl Airport and London Heathrow Airport is about 5503 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Incheon Intl Airport to London Heathrow Airport round-trip?

    Currently priced at $600, 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 Asiana Airlines and Lufthansa - these airlines can fly you to your destination from $629 and $767, respectively. Air China is priced at 33% 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 Virgin Atlantic. According to our data, you can fly for as low as $179. Users have also found prices from $187 and $339 on Air China and Asiana 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 (76%), Virgin Atlantic (62%), Asiana Airlines (28%).

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

    On average you can expect to pay $1,316 for a flight from Incheon Intl Airport to London Heathrow Airport. The cheapest flight overall is $179 while the most popular route, (Incheon Intl - London Heathrow) is currently priced at $497.

  • 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, February is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of $459). Flying from Incheon Intl Airport to London Heathrow Airport in August is currently the most expensive (average of $733). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
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Croydon
Gatwick
Southend-on-Sea
Harrow
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Dartford
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Winchester
Orpington
Watford
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Borehamwood
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Chipping Norton
Hayes
Kingston upon Thames
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Top 4 airlines flying from Incheon Intl to Heathrow

Discover the top 4 airlines that operate flights from Incheon Intl to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$600Average$815FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$629Average$834FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$767Average$1,134FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$847Average$1,184FlexibilityNo cancel feeOn-time81%

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