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Cheap flights from London Heathrow Airport to Incheon Intl Airport from £261

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
27 Feb — 6 Mar1
1 adult

The best prices from London Heathrow to Incheon Intl are usually found in November or February, booked 62 days in advance, depart on a Wednesday or Monday 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 22 February 2025.

Round-trip from

£385

One-way from

£261

Popular in

July

Cheapest in

November

Average price

£565

Good round-trip deal

£808 or less

Good one-way deal

£549 or less
China Southern
  • China Southern
  • 5/3-25/3
  • 2 total stops
  • 52h 10m total
  • London to Incheon
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China Southern
  • China Southern
  • 11/5
  • 1 total stop
  • 31h 45m total
  • London to Incheon
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Highest demand for flights based on searches. 14% potential increase in price (£96 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 February 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 22 February 2025.

Sun 23/221:30LHR - ICN
1 stop15h 45mChina Southern
Wed 5/309:25ICN - LHR
1 stop17h 30mChina Southern
Deal found 20/2£379
Wed 5/320:25LHR - ICN
1 stop32h 50mAir China
Thu 3/417:50ICN - LHR
1 stop31h 55mAir China
Deal found 21/2£406
Tue 25/217:50LHR - ICN
2 stops32h 10mChina Eastern
Tue 4/316:40ICN - LHR
2 stops30h 15mChina Eastern
Deal found 20/2£409
Tue 4/317:50LHR - ICN
2 stops32h 10mMultiple Airlines
Tue 18/314:50ICN - LHR
1 stop36h 25mMultiple Airlines
Deal found 21/2£428
Sun 18/522:05LHR - ICN
1 stop31h 35mShenzhen Airlines
Sun 1/614:40ICN - LHR
1 stop37h 10mShenzhen Airlines
Deal found 20/2£433
Wed 17/1211:30LHR - ICN
1 stop14h 20mLufthansa
Wed 31/1213:30ICN - LHR
1 stop16h 30mLufthansa
Deal found 20/2£499

Find flights from Heathrow to Incheon Intl within your budget

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 22 February 2025.

Fly from

Heathrow

Fly to

Incheon Intl

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 10/3

22:00-13:50

1 stop30h 50m

Incheon Intl

Tue 18/3

16:15-18:15

1 stop35h 00m

£385

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 5/3

20:25-14:15

1 stop32h 50m

Incheon Intl

Thu 3/4

17:50-17:45

1 stop31h 55m

£406

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 10/3

21:00-11:00

2 stops29h 00m

Incheon Intl

Mon 17/3

16:40-13:55

2 stops30h 15m

£409

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 4/3

17:50-11:00

2 stops32h 10m

Incheon Intl

Thu 20/3

14:50-18:15

1 stop36h 25m

£428

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 18/5

22:05-13:40

1 stop31h 35m

Incheon Intl

Sun 1/6

14:40-19:50

1 stop37h 10m

£433

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 5/3

09:00-11:15

1 stop17h 15m

Incheon Intl

Wed 2/4

01:30-18:45

1 stop25h 15m

£523

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 21/3

08:55-09:25

1 stop15h 30m

Incheon Intl

Wed 2/4

10:05-19:20

1 stop17h 15m

£530

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 11/5

22:10-13:55

1 stop31h 45m

£261

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 3/3

17:50-11:00

2 stops32h 10m

£264

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 16/3

06:20-15:50

3 stops48h 30m

£287

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 14 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.

Travel insights for flights from Heathrow to Incheon Intl

Get recent, data-driven insights about flights from Heathrow to Incheon Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Incheon Intl. Price data was last updated on 14 February 2025.

The best time to book flights from London Heathrow Airport to Incheon Intl Airport is 62 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, 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 £1,179). 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 22 February 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.

Weekly flight availability from London Heathrow Airport to Incheon Intl Airport

Explore weekly flight availability from Heathrow to Incheon Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 February 2025.

The most flights from LHR to ICN are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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 22 February 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
31 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Food

8.3

Crew

8.8

Overall

7.8

Boarding

8.4

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
31 reviews
Hainan Airlines
7.8
Good
31 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Food

8.3

Crew

8.8

Overall

7.8

Boarding

8.4

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
7.6
Good
87 reviews
Hainan Airlines
7.8
Good
31 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Food

8.3

Crew

8.8

Overall

7.8

Boarding

8.4

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
1,566 reviews
Hainan Airlines
7.8
Good
31 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Food

8.3

Crew

8.8

Overall

7.8

Boarding

8.4

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.

Etihad Airways
7.4
Good
1,179 reviews
Hainan Airlines
7.8
Good
31 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Food

8.3

Crew

8.8

Overall

7.8

Boarding

8.4

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 £385. Other airlines that can offer you cheap pricing are Air China, from £406, and China Eastern, from £413. China Southern is currently priced 47% 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 £261. China Eastern flights start at £264 while deals on Hainan Airlines start at £289 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 (62%), Virgin Atlantic (53%), Korean Air (27%).

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

    On average you can expect to pay £3,716 for a flight from London Heathrow Airport to Incheon Intl Airport. The cheapest flight overall is £529 while the most popular route, (London Heathrow - Incheon Intl) is currently priced at £409.

  • 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 £1,179). 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 22 February 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 22 February 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£358Average£459FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£369Average£490FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£386Average£501FlexibilityNo cancel feeOn-time67%
Search Air China flights
SAUDIACheapest£433Average£513FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Shenzhen AirlinesCheapest£448Average£493FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
LufthansaCheapest£502Average£655FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapest£551Average£634FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Etihad AirwaysCheapest£555Average£699FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
FinnairCheapest£569Average£734FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LOTCheapest£574Average£746FlexibilityNo 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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