Cheap flights from London Heathrow Airport to Incheon Intl Airport from £256

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Incheon Intl are usually found in January or February, booked 24 days in advance, depart on a Tuesday or Wednesday 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 5 December 2025.

Thu 4/1221:35LHR - ICN
1 stop30h 20mAir China
Sun 7/1214:50ICN - LHR
1 stop36h 00mAir China
Deal found 3/12£376
Fri 5/1209:00LHR - ICN
1 stop16h 30mAir France
Fri 12/1212:05ICN - LHR
1 stop18h 20mAir France
Deal found 4/12£378
Mon 29/1221:00LHR - ICN
2 stops38h 35mMultiple Airlines
Tue 20/108:55ICN - LHR
1 stop17h 35mMultiple Airlines
Deal found 3/12£459
Wed 3/1208:40LHR - ICN
1 stop23h 15mMultiple Airlines
Wed 17/1212:40ICN - LHR
1 stop28h 20mMultiple Airlines
Deal found 3/12£471
Tue 9/1218:40LHR - ICN
1 stop15h 20mScandinavian Airlines
Fri 12/1223:45ICN - LHR
1 stop18h 35mScandinavian Airlines
Deal found 4/12£475
Sun 7/1218:40LHR - ICN
1 stop15h 20mScandinavian Airlines
Fri 12/1223:45ICN - LHR
1 stop18h 35mScandinavian Airlines
Deal found 4/12£477
Sun 7/1208:20LHR - ICN
1 stop22h 45mMultiple Airlines
Tue 9/1208:55ICN - LHR
1 stop17h 35mMultiple Airlines
Deal found 3/12£483
Sun 7/1206:30LHR - ICN
1 stop24h 35mMultiple Airlines
Mon 22/1208:55ICN - LHR
1 stop17h 35mMultiple Airlines
Deal found 4/12£484
Thu 4/1206:40LHR - ICN
1 stop27h 20mScandinavian Airlines
Fri 16/123:45ICN - LHR
2 stops23h 50mScandinavian Airlines
Deal found 3/12£486
Sat 6/1209:55LHR - ICN
1 stop21h 55mMultiple Airlines
Sat 13/1208:55ICN - LHR
1 stop17h 35mMultiple Airlines
Deal found 3/12£495
Sat 27/1221:35LHR - ICN
1 stop30h 20mAir China
Thu 22/113:10ICN - LHR
1 stop35h 45mAir China
Deal found 3/12£500

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 5 December 2025.

Round-trip from

£366

One-way from

£256

Popular in

July

Cheapest in

January

Average price

£770

Good round-trip deal

£782 or less

Good one-way deal

£472 or less
China Southern
  • China Southern
  • 7/3-22/3
  • 2 total stops
  • 33h 55m total
  • London to Incheon
22/1
  • 22/1
  • 2 total stops
  • 43h 30m total
  • London to Incheon
Highest demand for flights based on searches. 13% potential increase in price (£81 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from London Heathrow to Incheon Intl.
Price to beat on a one-way flight from London Heathrow to Incheon Intl.

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 5 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Incheon Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Incheon Intl

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 12/2

15:45-16:55

1 stop16h 10m

Incheon Intl

Thu 12/3

23:05-10:45

1 stop20h 40m

£448

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 28/4

11:30-09:55

1 stop14h 25m

Incheon Intl

Wed 10/6

12:25-22:10

1 stop17h 45m

£456

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 28/4

08:30-09:55

1 stop17h 25m

Incheon Intl

Thu 11/6

12:25-22:10

1 stop17h 45m

£475

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 12/5

11:30-09:55

1 stop14h 25m

Incheon Intl

Wed 27/5

12:25-22:10

1 stop17h 45m

£477

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 17/1

06:40-19:00

2 stops51h 20m

Incheon Intl

Mon 26/1

23:45-18:50

2 stops28h 05m

£495

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 3/2

09:30-10:50

1 stop16h 20m

Incheon Intl

Sun 8/2

13:05-08:05

2 stops28h 00m

£495

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 25/2

19:50-19:00

2 stops38h 10m

Incheon Intl

Wed 11/3

23:45-18:30

1 stop27h 45m

£516

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 4/3

19:50-19:00

2 stops38h 10m

Incheon Intl

Mon 16/3

23:45-14:35

2 stops23h 50m

£519

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 1/6

17:00-18:15

1 stop17h 15m

Incheon Intl

Wed 10/6

23:45-16:25

2 stops24h 40m

£525

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 7/5

10:35-18:15

2 stops23h 40m

Incheon Intl

Wed 20/5

23:45-16:00

1 stop24h 15m

£528

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 21 results
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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

What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of £340). Flying from London Heathrow Airport to Incheon Intl Airport in July is currently the most expensive (average of £624). 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 5 December 2025.

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 27% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from London Heathrow Airport to Incheon Intl Airport?

Use this chart to determine the cheapest time to fly return from Heathrow to Incheon Intl. Price data was last updated on 29 November 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Incheon Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 5 December 2025.
Get a feel of what it's like to fly with Korean Air, Asiana Airlines, andChina Southern 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.

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

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.

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

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.

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

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.

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

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.

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

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.

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

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 14h 25m. 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 £321. Other airlines that can offer you cheap pricing are China Southern, from £339, and Air China, from £369. China Eastern is currently priced 53% 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 Southern, which is currently one of the cheapest options available, starting at £243. China Eastern flights start at £244 while deals on Air China start at £279 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 (88%), Virgin Atlantic (88%), Asiana Airlines (82%).

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

    On average you can expect to pay £1,468 for a flight from London Heathrow Airport to Incheon Intl Airport. The cheapest flight overall is £398 while the most popular route, (London Heathrow - Incheon Intl) is currently priced at £355.

  • 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of £340). Flying from London Heathrow Airport to Incheon Intl Airport in July is currently the most expensive (average of £624). 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 5 December 2025.

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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£321Average£434FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£340Average£470FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£371Average£491FlexibilityNo cancel feeOn-time67%
Search Air China flights
LufthansaCheapest£430Average£620FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£459Average£598FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Etihad AirwaysCheapest£542Average£680FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest£552Average£702FlexibilityNo cancel feeOn-time77%
Search Air France flights
LOTCheapest£560Average£747FlexibilityNo cancel feeOn-time81%
Search LOT flights
FinnairCheapest£562Average£756FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Turkish AirlinesCheapest£571Average£635FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines 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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