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Cheap flights from London Heathrow Airport to Incheon Intl Airport from £328

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
2 Jun — 9 Jun1
1 adult
1 adult, Economy, 0 bags
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 Monday and return on a Friday

Cheap flight deals from Heathrow to Incheon Intl

Enter your travel dates to find the best prices.

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 3 May 2026.

Tue 6/1009:45
LHR
-
ICN
1 stop40h 55m
Air India
Tue 1/1212:05
ICN
-
LHR
1 stop32h 25m
Air India
Deal found 28/4£508
Fri 6/1121:10
LHR
-
ICN
1 stop31h 45m
Shenzhen Airlines
Sat 14/1116:45
ICN
-
LHR
1 stop35h 25m
Shenzhen Airlines
Deal found 30/4£512
Fri 30/1021:10
LHR
-
ICN
1 stop33h 35m
Shenzhen Airlines
Sat 14/1116:45
ICN
-
LHR
1 stop35h 25m
Shenzhen Airlines
Deal found 29/4£513
Sun 20/920:35
LHR
-
ICN
1 stop30h 05m
Air India
Tue 29/912:20
ICN
-
LHR
1 stop31h 10m
Air India
Deal found 29/4£517
Tue 13/1022:00
LHR
-
ICN
1 stop30h 55m
Air China
Thu 22/1010:50
ICN
-
LHR
1 stop14h 50m
Air China
Deal found 28/4£518
Wed 3/622:05
LHR
-
ICN
1 stop32h 10m
Multiple Airlines
Wed 10/608:55
ICN
-
LHR
1 stop17h 45m
Multiple Airlines
Deal found 29/4£520
Tue 6/1021:45
LHR
-
ICN
1 stop28h 55m
Air India
Thu 22/1012:20
ICN
-
LHR
1 stop31h 10m
Air India
Deal found 29/4£522
Mon 1/622:05
LHR
-
ICN
1 stop34h 40m
Shenzhen Airlines
Tue 7/715:15
ICN
-
LHR
1 stop36h 45m
Shenzhen Airlines
Deal found 29/4£523
Mon 21/909:45
LHR
-
ICN
1 stop40h 55m
Air India
Tue 6/1012:20
ICN
-
LHR
1 stop31h 10m
Air India
Deal found 29/4£527
Wed 7/1009:45
LHR
-
ICN
1 stop40h 55m
Air India
Sun 25/1012:05
ICN
-
LHR
1 stop32h 25m
Air India
Deal found 29/4£528
Mon 19/1009:45
LHR
-
ICN
1 stop40h 55m
Air India
Tue 1/1212:05
ICN
-
LHR
1 stop41h 25m
Air India
Deal found 28/4£532
Mon 4/522:00
LHR
-
ICN
2 stops38h 25m
Multiple Airlines
Mon 11/516:20
ICN
-
LHR
1 stop34h 20m
Multiple Airlines
Deal found 3/5£533

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 3 May 2026.

Round-trip from

£508

One-way from

£328

Popular in

August

Cheapest in

January

Average price

£615

Good round-trip deal

£854 or less

Good one-way deal

£478 or less
Air India
  • Air India
  • 6/10-1/12
  • 2 total stops
  • 73h 20m total
  • London to Incheon
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 14/9
  • 1 total stop
  • 32h 10m total
  • London to Incheon
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return 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

 
Customise 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 858,174 searches. Data last updated 3 May 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 return flight

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 19/10

22:05-16:45

1 stop34h 40m

Incheon Intl

Tue 27/10

16:45-19:10

1 stop35h 25m

£590

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 8/10

11:35-17:05

2 stops21h 30m

Incheon Intl

Wed 21/10

01:20-13:15

1 stop19h 55m

£744

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 15/5

07:00-07:30

2 stops16h 30m

Incheon Intl

Wed 20/5

09:30-17:50

1 stop16h 20m

£796

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 1/6

19:30-18:35

1 stop15h 05m

Incheon Intl

Mon 8/6

23:35-16:25

2 stops24h 50m

£796

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 22/10

10:35-18:35

2 stops24h 00m

Incheon Intl

Thu 29/10

23:45-18:30

1 stop27h 45m

£818

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 3/7

20:50-07:10

2 stops50h 20m

Incheon Intl

Thu 13/8

11:00-06:30

2 stops27h 30m

£820

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 2/9

10:20-18:35

1 stop24h 15m

Incheon Intl

Tue 15/9

23:35-16:25

2 stops24h 50m

£820

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 3/9

12:00-17:05

2 stops21h 05m

Incheon Intl

Fri 11/9

01:20-08:00

1 stop38h 40m

£822
Fastest return journey

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 31/7

09:30-09:55

1 stop16h 25m

Incheon Intl

Fri 7/8

11:40-19:40

1 stop16h 00m

£858

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 14/6

15:35-22:25

2 stops22h 50m

Incheon Intl

Sat 20/6

01:20-06:25

1 stop37h 05m

£864

Flights are sorted by cheapest return flights first.

Deals found on 30/4

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

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 return 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?

The best time to book flights from London Heathrow Airport to Incheon Intl Airport is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 £465). Flying from London Heathrow Airport to Incheon Intl Airport in August is currently the most expensive (average of £803). 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 3 May 2026.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Incheon Intl Airport at midday. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the evening.

How much does it cost for a return flight from London Heathrow Airport to Incheon Intl Airport?

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 3 May 2026.
Get a feel of what it's like to fly with Korean Air,Asiana Airlines, andVirgin Atlantic from London Heathrow Airport to Incheon Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

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
Check prices

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

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
528 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

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
Check prices

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

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.
Air China
7.3
Good
148 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

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
7,965 reviews
Korean Air
8.4
Very Good
1,216 reviews
Check prices

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

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. The distance from London Heathrow Airport to Incheon Intl Airport is about 5503 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Cheapflights users have booked flights from London Heathrow Airport to Incheon Intl Airport round-trip from £245. Other airlines that can offer you cheap pricing are China Southern, from £355, and Air China, from £374. China Eastern is currently priced 64% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with China Eastern, which is currently one of the cheapest options available, starting at £237. China Southern flights start at £248 while deals on Air China start at £273 one-way.

  • What are the most reliable airlines from London Heathrow Airport to Incheon Intl 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 London Heathrow Airport to Incheon Intl Airport on time: Virgin Atlantic (91%), Korean Air (74%), Asiana Airlines (39%).

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

    On average you can expect to pay £1,034 for a flight from London Heathrow Airport to Incheon Intl Airport. The cheapest flight overall is £412 while the most popular route, (London Heathrow - Incheon Intl) is currently priced at £437.

  • 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 holiday 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 £465). Flying from London Heathrow Airport to Incheon Intl Airport in August is currently the most expensive (average of £803). 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

Travelling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Daejeon
Seongnam

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Fly from Heathrow to Incheon Intl on these airlines

Choose from the following airlines for your flight from Heathrow to Incheon Intl. Flights are based on user searches made on Cheapflights and were last updated on 3 May 2026.
Asiana Airlines flights from London Heathrow to Incheon Intl
Korean Air flights from London Heathrow to Incheon Intl
China Southern flights from London Heathrow to Incheon Intl

Top 10 airlines flying from Heathrow to Incheon Intl

Discover the top 10 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 858,174 searches. Data last updated 3 May 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£245Average£448FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£355Average£502FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£374Average£505FlexibilityNo cancel feeOn-time67%
Search Air China flights
LufthansaCheapest£415Average£572FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£451Average£629FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Qatar AirwaysCheapest£480Average£881FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air FranceCheapest£485Average£671FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest£496Average£648FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
KLMCheapest£508Average£766FlexibilityNo cancel feeOn-time75%
Search KLM flights
LOTCheapest£546Average£760FlexibilityNo cancel feeOn-time81%
Search LOT flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Incheon Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Incheon Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Incheon Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Incheon Intl.

Can Cheapflights find flights from Heathrow to Incheon Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Incheon Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Incheon Intl become cheaper?

Yes! Start tracking prices for Heathrow to Incheon Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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