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Cheap flights from London Heathrow Airport to Incheon Intl Airport from £326

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
19 Jul — 26 Jul1
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 86 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 19 June 2026.

Fri 9/1013:15
LHR
-
ICN
1 stop37h 25m
Air India
Sat 24/1012:20
ICN
-
LHR
1 stop41h 10m
Air India
Deal found 15/6£631
Fri 23/1010:35
LHR
-
ICN
2 stops24h 00m
Scandinavian Airlines
Tue 27/1023:45
ICN
-
LHR
1 stop25h 15m
Scandinavian Airlines
Deal found 15/6£632
Tue 25/820:50
LHR
-
ICN
2 stops26h 20m
Multiple Airlines
Tue 29/911:00
ICN
-
LHR
2 stops40h 10m
Multiple Airlines
Deal found 16/6£632
Tue 8/1211:10
LHR
-
ICN
1 stop15h 05m
Lufthansa
Wed 6/112:55
ICN
-
LHR
1 stop18h 25m
Lufthansa
Deal found 16/6£633
Tue 7/721:05
LHR
-
ICN
1 stop29h 35m
Air India
Sun 16/812:20
ICN
-
LHR
1 stop27h 10m
Air India
Deal found 15/6£634
Tue 3/1108:25
LHR
-
ICN
2 stops27h 30m
Multiple Airlines
Thu 19/1100:10
ICN
-
LHR
2 stops38h 45m
Multiple Airlines
Deal found 16/6£635
Fri 6/1107:40
LHR
-
ICN
1 stop18h 35m
Lufthansa
Fri 4/1213:30
ICN
-
LHR
2 stops27h 15m
Lufthansa
Deal found 16/6£636
Mon 22/622:00
LHR
-
ICN
2 stops38h 25m
Multiple Airlines
Thu 23/713:05
ICN
-
LHR
1 stop15h 20m
Multiple Airlines
Deal found 15/6£637
Mon 31/814:45
LHR
-
ICN
1 stop36h 05m
Etihad Airways
Wed 16/918:20
ICN
-
LHR
1 stop20h 40m
Etihad Airways
Deal found 15/6£638
Wed 24/622:00
LHR
-
ICN
1 stop38h 25m
Multiple Airlines
Sun 5/715:30
ICN
-
LHR
1 stop36h 55m
Multiple Airlines
Deal found 15/6£638
Tue 3/1120:25
LHR
-
ICN
1 stop30h 15m
Air China
Sat 5/1217:50
ICN
-
LHR
1 stop33h 00m
Air China
Deal found 16/6£639
Tue 8/909:30
LHR
-
ICN
1 stop17h 20m
Etihad Airways
Tue 29/918:20
ICN
-
LHR
1 stop20h 40m
Etihad Airways
Deal found 15/6£640

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 19 June 2026.

Round-trip from

£631

One-way from

£326

Popular in

July

Cheapest in

January

Average price

£729

Good round-trip deal

£799 or less

Good one-way deal

£503 or less
Air India
  • Air India
  • 9/10-24/10
  • 2 total stops
  • 78h 35m total
  • London to Incheon
Search Deals
China Southern
  • China Southern
  • 15/9
  • 1 total stop
  • 17h 10m total
  • London to Incheon
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£75 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 19 June 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

Fri 11/9

10:50-09:55

1 stop15h 05m

Incheon Intl

Mon 14/12

12:55-08:05

2 stops28h 10m

£634

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 13/12

07:40-11:15

1 stop18h 35m

Incheon Intl

Thu 7/1

12:55-22:20

1 stop18h 25m

£668

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 28/9

20:50-07:10

2 stops50h 20m

Incheon Intl

Thu 8/10

11:00-06:30

2 stops27h 30m

£680

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 15/7

06:55-09:55

1 stop19h 00m

Incheon Intl

Tue 21/7

12:20-22:10

1 stop17h 50m

£700

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 13/12

07:40-11:15

1 stop18h 35m

Incheon Intl

Tue 5/1

12:55-22:20

1 stop18h 25m

£714

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 19/11

06:40-19:00

2 stops27h 20m

Incheon Intl

Wed 25/11

23:45-17:40

1 stop26h 55m

£772

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 20/7

18:40-07:40

1 stop29h 00m

Incheon Intl

Mon 27/7

09:30-17:50

1 stop16h 20m

£819

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 23/10

19:00-07:25

2 stops28h 25m

Incheon Intl

Sat 31/10

11:40-16:10

1 stop37h 30m

£857
Fastest return journey

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 16/11

16:35-14:10

Nonstop12h 35m

Incheon Intl

Thu 26/11

08:40-14:20

Nonstop14h 40m

£871

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 5/9

08:35-12:40

2 stops20h 05m

Incheon Intl

Sat 19/9

01:55-15:15

1 stop21h 20m

£896

Flights are sorted by cheapest return flights first.

Deals found on 18/6

Showing 1-10 of 23 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 85 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 £471). Flying from London Heathrow Airport to Incheon Intl Airport in July is currently the most expensive (average of £889). 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 19 June 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 25% 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 19 June 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
1,218 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

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
1,218 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

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
545 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

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
7.5
Good
690 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

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
155 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

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
8,081 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Comfort

8.3

Overall

8.4

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 19h. 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 £252. Other airlines that can offer you cheap pricing are China Southern, from £365, and Air China, from £384. 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 £244. China Southern flights start at £255 while deals on Air China start at £281 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: Korean Air (92%), Virgin Atlantic (92%), Asiana Airlines (88%).

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

    On average you can expect to pay £1,224 for a flight from London Heathrow Airport to Incheon Intl Airport. The cheapest flight overall is £472 while the most popular route, (London Heathrow - Incheon Intl) is currently priced at £450.

  • 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 £471). Flying from London Heathrow Airport to Incheon Intl Airport in July is currently the most expensive (average of £889). 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 19 June 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 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£252Average£459FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£365Average£535FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£384Average£533FlexibilityNo cancel feeOn-time67%
Search Air China flights
Cathay PacificCheapest£413Average£933FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
KLMCheapest£433Average£787FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£435Average£595FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£464Average£705FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Qatar AirwaysCheapest£493Average£921FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air FranceCheapest£498Average£689FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air IndiaCheapest£506Average£597FlexibilityNo cancel feeOn-timeN/A
Search Air India 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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