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Incheon Intl

$449+ Cheap flights from Heathrow (LHR) to Incheon Intl (ICN)

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
May 31 — Jun 71
Sun 5/31
Sun 6/7
1 adult, Economy
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Find cheap flights from Heathrow to Incheon Intl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from London Heathrow to Incheon Intl are usually found in January or November, booked 30 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Cheap flight deals from Heathrow to Incheon Intl

Cheapest flights from Heathrow to Incheon Intl
Explore the most affordable flight options available from Heathrow to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.

This Shenzhen Airlines deal was found by Cheapflights users on 4/30. 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 11/69:10 pm
LHR
-
ICN
1 stop31h 45m
Shenzhen Airlines
Sat 11/144:45 pm
ICN
-
LHR
1 stop35h 25m
Shenzhen Airlines
Deal found 4/30$696
This Shenzhen Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:10 pm
LHR
-
ICN
1 stop33h 35m
Shenzhen Airlines
Sat 11/144:45 pm
ICN
-
LHR
1 stop35h 25m
Shenzhen Airlines
Deal found 4/29$697
This Shenzhen Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:10 pm
LHR
-
ICN
1 stop33h 35m
Shenzhen Airlines
Fri 11/134:45 pm
ICN
-
LHR
1 stop35h 25m
Shenzhen Airlines
Deal found 4/28$698
This Air China deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:00 pm
LHR
-
ICN
1 stop30h 55m
Air China
Thu 10/2210:50 am
ICN
-
LHR
1 stop14h 50m
Air China
Deal found 4/28$704
This Gotogate deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:05 pm
LHR
-
ICN
1 stop32h 10m
Multiple Airlines
Wed 6/108:55 am
ICN
-
LHR
1 stop17h 45m
Multiple Airlines
Deal found 4/29$706
This FlightHub deal was found by Cheapflights users on 5/1. 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 9/91:15 pm
LHR
-
ICN
1 stop37h 25m
Air India
Sun 10/412:20 pm
ICN
-
LHR
1 stop38h 40m
Air India
Deal found 5/1$730
This FlightHub deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:45 am
LHR
-
ICN
1 stop40h 55m
Air India
Tue 10/612:20 pm
ICN
-
LHR
1 stop31h 10m
Air India
Deal found 4/27$737
This FlightHub deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2510:35 am
LHR
-
ICN
2 stops23h 25m
Scandinavian Airlines
Thu 12/3111:45 pm
ICN
-
LHR
1 stop25h 15m
Scandinavian Airlines
Deal found 4/27$753
This Shenzhen Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:05 pm
LHR
-
ICN
1 stop32h 10m
Shenzhen Airlines
Sun 7/55:45 pm
ICN
-
LHR
1 stop34h 05m
Shenzhen Airlines
Deal found 4/29$756

Find flight deals from Heathrow to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Incheon Intl (ICN). 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 May 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$704
(Air China)

One-way from

$449
(Booking.com)

Popular in

August

Cheapest in

January

Average price

$830

Good round-trip deal

$1,227 or less

Good one-way deal

$653 or less
Provider with most accurate pricing for London Heathrow-Incheon Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Incheon Intl flights.
Search Deals
From London Heathrow to Incheon Intl
Search Deals
One-way flight from London Heathrow to Incheon Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Incheon Intl.
Search Deals
Price to beat on a one-way flight from London Heathrow to Incheon Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Incheon Intl 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 May 1, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 6/15

6:55 am-9:55 am

1 stop19h 00m

Incheon Intl

Tue 6/30

11:40 am-10:40 pm

1 stop19h 00m

$777

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 9/3

12:00 pm-5:05 pm

2 stops21h 05m

Incheon Intl

Fri 9/11

1:20 am-7:30 am

1 stop38h 10m

$1,088

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 6/24

8:25 am-5:05 pm

1 stop24h 40m

Incheon Intl

Sat 8/8

3:10 pm-6:25 am

2 stops23h 15m

$1,100

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 5/14

2:25 pm-7:30 am

2 stops33h 05m

Incheon Intl

Wed 5/20

9:30 am-9:30 pm

2 stops20h 00m

$1,117

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 5/31

3:05 pm-10:25 pm

2 stops23h 20m

Incheon Intl

Fri 6/5

11:45 pm-6:00 pm

1 stop26h 15m

$1,117

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 6/14

3:35 pm-10:25 pm

2 stops22h 50m

Incheon Intl

Sat 6/20

1:20 am-6:25 am

1 stop37h 05m

$1,174

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 9/18

12:00 pm-5:05 pm

2 stops21h 05m

Incheon Intl

Tue 9/29

1:20 am-10:10 pm

1 stop28h 50m

$1,180
Quickest round-trip

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 6/10

7:35 pm-4:15 pm

Nonstop12h 40m

Incheon Intl

Sun 6/28

10:55 am-5:20 pm

Nonstop14h 25m

$1,181

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 9/18

4:35 pm-1:20 pm

Nonstop12h 45m

Incheon Intl

Wed 9/30

7:50 am-2:20 pm

Nonstop14h 30m

$1,190

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 9/13

9:50 am-5:05 pm

2 stops23h 15m

Incheon Intl

Wed 9/23

1:20 am-10:00 pm

1 stop28h 40m

$1,301

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Heathrow to Incheon Intl

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 Heathrow to Incheon Intl in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 London Heathrow Airport-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Incheon Intl 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 London Heathrow Airport-Incheon Intl 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 Heathrow to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Heathrow 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 London Heathrow Airport to Incheon Intl Airport

How far ahead should I book a flight from London Heathrow Airport to Incheon Intl Airport?

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Incheon Intl 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 London Heathrow Airport to Incheon Intl Airport?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $631). Flying from London Heathrow Airport to Incheon Intl Airport in August is currently the most expensive (average of $1,089). 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 LHR to ICN?

Find hourly flight availability from Heathrow to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2026.

When flying from London Heathrow Airport to Incheon Intl 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 London Heathrow Airport to Incheon Intl Airport?

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

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated May 1, 2026.
Peruse reviews from past customers who have flown with Korean Air,Asiana Airlines, andVirgin Atlantic from London Heathrow Airport to Incheon Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,216 reviews

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,216 reviews
Korean Air
8.4
Very good
1,216 reviews

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.1
Very good
525 reviews
Korean Air
8.4
Very good
1,216 reviews

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Virgin Atlantic
7.4
Good
688 reviews
Korean Air
8.4
Very good
1,216 reviews

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Lufthansa
6.8
Okay
7,964 reviews
Korean Air
8.4
Very good
1,216 reviews

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Incheon Intl. 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 London Heathrow Airport to Incheon Intl Airport?

    Departing from London Heathrow Airport to Incheon Intl Airport will take you 16h 30m. London Heathrow Airport and Incheon Intl Airport are separated by a distance of 5503 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from London Heathrow Airport to Incheon Intl Airport is Lufthansa. Our recent data shows that you can find tickets from as low as $620 on this airline. Additional options worth looking into are Korean Air and Asiana Airlines, starting at $821 and $884 round-trip. Users have found that Lufthansa is 33% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is China Southern, with whom users have recently found tickets for as low as $368. However, be on the lookout for offers from Air China and Asiana Airlines, as they are both options that can get you from London Heathrow Airport to Incheon Intl Airport for a low price.

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

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Incheon Intl Airport consider choosing Virgin Atlantic (91%), Korean Air (74%) or Asiana Airlines (39%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from London Heathrow Airport to Incheon Intl Airport is generally $970, our data shows the cheapest flight currently is $530. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay $639 for that flight.

  • Can I find deals for flights from Heathrow to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Heathrow to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Incheon Intl.

  • Can I find deals for business class flights from Heathrow to Incheon Intl?

    Yes. Cheapflights offers flight deals from Heathrow to Incheon Intl 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 London Heathrow Airport to Incheon Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $631). Flying from London Heathrow Airport to Incheon Intl Airport in August is currently the most expensive (average of $1,089). 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
Seongnam
Suwon

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Top 4 airlines flying from Heathrow to Incheon Intl

Discover the top 4 airlines that operate flights from Heathrow to Incheon Intl. 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 May 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$620Average$984FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$821Average$1,200FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$884Average$1,302FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$906Average$1,061FlexibilityNo cancel feeOn-time72%

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