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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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
1 Apr — 8 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Incheon Intl are usually found in November or February, booked 86 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 27 March 2025.

Round-trip from

£420

One-way from

£256

Popular in

July

Cheapest in

November

Average price

£709

Good round-trip deal

£844 or less

Good one-way deal

£570 or less
China Southern
  • China Southern
  • 19/5-4/6
  • 2 total stops
  • 48h 25m total
  • London to Incheon
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China Southern
  • China Southern
  • 12/5
  • 1 total stop
  • 17h 10m total
  • London to Incheon
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Highest demand for flights based on searches. 14% potential increase in price (£93 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from London Heathrow to Incheon Intl.
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Price to beat on a one-way flight from London Heathrow to Incheon Intl.
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Find 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 27 March 2025.

Mon 19/522:10LHR - ICN
1 stop31h 45mChina Southern
Wed 4/609:25ICN - LHR
1 stop16h 40mChina Southern
Deal found 26/3£420
Fri 2/521:20LHR - ICN
1 stop32h 10mChina Eastern
Wed 14/514:30ICN - LHR
1 stop36h 10mChina Eastern
Deal found 26/3£421
Fri 9/522:05LHR - ICN
1 stop33h 35mShenzhen Airlines
Tue 20/514:40ICN - LHR
1 stop37h 20mShenzhen Airlines
Deal found 26/3£423
Sat 3/522:00LHR - ICN
1 stop30h 55mAir China
Fri 16/510:50ICN - LHR
1 stop17h 40mAir China
Deal found 26/3£430
Wed 5/1111:30LHR - ICN
1 stop14h 20mLufthansa
Thu 20/1112:55ICN - LHR
1 stop16h 50mLufthansa
Deal found 26/3£431
Thu 22/522:10LHR - ICN
1 stop33h 15mMultiple Airlines
Sun 1/610:05ICN - LHR
1 stop39h 00mMultiple Airlines
Deal found 26/3£461
Fri 16/519:15LHR - ICN
2 stops53h 10mSWISS
Wed 28/510:05ICN - LHR
1 stop19h 40mSWISS
Deal found 26/3£497

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 27 March 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

Mon 19/5

22:10-13:55

1 stop31h 45m

Incheon Intl

Wed 4/6

09:25-18:05

1 stop16h 40m

£420

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 2/5

21:20-13:30

1 stop32h 10m

Incheon Intl

Wed 14/5

14:30-18:40

1 stop36h 10m

£421

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 9/5

22:05-15:40

1 stop33h 35m

Incheon Intl

Tue 20/5

14:40-20:00

1 stop37h 20m

£423

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 3/5

22:00-12:55

1 stop30h 55m

Incheon Intl

Fri 16/5

10:50-20:30

1 stop17h 40m

£430

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 22/5

22:10-15:25

1 stop33h 15m

Incheon Intl

Sun 1/6

10:05-17:05

1 stop39h 00m

£461

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 20/5

09:30-09:55

2 stops16h 25m

Incheon Intl

Wed 10/12

13:30-22:55

1 stop18h 25m

£477

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 16/5

19:15-08:25

2 stops53h 10m

Incheon Intl

Wed 28/5

10:05-21:45

1 stop19h 40m

£497

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 12/5

21:00-22:10

1 stop17h 10m

£256

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 18/4

21:40-10:55

3 stops53h 15m

£275

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 5/5

22:05-13:40

1 stop31h 35m

£318

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 15 results
1
2

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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of £676). Flying from London Heathrow Airport to Incheon Intl Airport in July is currently the most expensive (average of £1,188). 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 27 March 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Incheon Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 29% 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 16 December 2024.

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

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 20.0 - 260.0 inches per month. July is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 20.0 mm.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).

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 27 March 2025.
Read through reviews of airlines operating flights from London to Seoul, such as Hainan Airlines, China Southern and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
7.8
Good
32 reviews
Check prices

Food

8.3

Crew

8.8

Entertainment

7.5

Boarding

8.4

Comfort

8.0

Overall

7.8

Reviews

1 / 1
10.0
Excellent

Wei,Sept 2024

PEK - SEA

Wi Fi on board is good, but do not know how to use it even not tried due to fee.
Hainan Airlines
7.8
Good
32 reviews
Hainan Airlines
7.8
Good
32 reviews
Check prices

Food

8.3

Crew

8.8

Entertainment

7.5

Boarding

8.4

Comfort

8.0

Overall

7.8

Reviews

1 / 1
10.0
Excellent

Wei,Sept 2024

PEK - SEA

Wi Fi on board is good, but do not know how to use it even not tried due to fee.
China Southern
7.5
Good
94 reviews
Hainan Airlines
7.8
Good
32 reviews
Check prices

Food

8.3

Crew

8.8

Entertainment

7.5

Boarding

8.4

Comfort

8.0

Overall

7.8

Reviews

1 / 1
10.0
Excellent

Wei,Sept 2024

PEK - SEA

Wi Fi on board is good, but do not know how to use it even not tried due to fee.
SWISS
7.5
Good
1,570 reviews
Hainan Airlines
7.8
Good
32 reviews
Check prices

Food

8.3

Crew

8.8

Entertainment

7.5

Boarding

8.4

Comfort

8.0

Overall

7.8

Reviews

1 / 1
10.0
Excellent

Wei,Sept 2024

PEK - SEA

Wi Fi on board is good, but do not know how to use it even not tried due to fee.
China Eastern
7.1
Good
136 reviews
Hainan Airlines
7.8
Good
32 reviews
Check prices

Food

8.3

Crew

8.8

Entertainment

7.5

Boarding

8.4

Comfort

8.0

Overall

7.8

Reviews

1 / 1
10.0
Excellent

Wei,Sept 2024

PEK - SEA

Wi Fi on board is good, but do not know how to use it even not tried due to fee.

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.

  • 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 £420. Other airlines that can offer you cheap pricing are China Eastern, from £421, and Shenzhen Airlines, from £423. China Southern is currently priced 41% 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 £256. Shenzhen Airlines flights start at £318 while deals on China Eastern start at £320 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: Asiana Airlines (69%), Virgin Atlantic (68%), Korean Air (34%).

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

    On average you can expect to pay £2,045 for a flight from London Heathrow Airport to Incheon Intl Airport. The cheapest flight overall is £518 while the most popular route, (London Heathrow - Incheon Intl) is currently priced at £426.

  • 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of £676). Flying from London Heathrow Airport to Incheon Intl Airport in July is currently the most expensive (average of £1,188). 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 London Heathrow Airport?

Book flights to London Heathrow 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 27 March 2025.
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 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£351Average£454FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£359Average£471FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£380Average£489FlexibilityNo cancel feeOn-time67%
Search Air China flights
SAUDIACheapest£426Average£490FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
LufthansaCheapest£488Average£651FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Etihad AirwaysCheapest£544Average£679FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
LOTCheapest£545Average£730FlexibilityNo cancel feeOn-time81%
Search LOT flights
FinnairCheapest£557Average£719FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£565Average£779FlexibilityNo cancel feeOn-time77%
Search Air France flights
Turkish AirlinesCheapest£570Average£642FlexibilityNo 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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