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Cheap flights from London Heathrow Airport to Incheon Intl Airport from £277

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
22 Jan — 29 Jan1
1 adult

The best prices from London Heathrow to Incheon Intl are usually found in November or February, booked 55 days in advance, depart on a Monday or Wednesday and return on a Thursday

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 17 January 2025.

Round-trip from

£392

One-way from

£277

Popular in

July

Cheapest in

November

Average price

£641
Air China
  • Air China
  • 18/2-25/2
  • 2 total stops
  • 68h 45m total
  • London to Incheon
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China Southern
  • China Southern
  • 19/2
  • 1 total stop
  • 32h 15m total
  • London to Incheon
Search Deals
High demand for flights, 14% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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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 17 January 2025.

Tue 18/217:40LHR - ICN
1 stop33h 00mAir China
Tue 25/213:10ICN - LHR
1 stop35h 45mAir China
Deal found 16/1£392
Sat 8/321:30LHR - ICN
1 stop15h 45mChina Southern
Tue 18/309:25ICN - LHR
1 stop17h 30mChina Southern
Deal found 17/1£398
Mon 3/321:00LHR - ICN
1 stop29h 55mChina Eastern
Mon 17/318:25ICN - LHR
1 stop28h 30mChina Eastern
Deal found 17/1£412
Mon 24/221:30LHR - ICN
1 stop15h 45mMultiple Airlines
Wed 26/216:35ICN - LHR
1 stop30h 20mMultiple Airlines
Deal found 16/1£440
Sat 1/321:10LHR - ICN
1 stop33h 30mShenzhen Airlines
Sat 8/314:55ICN - LHR
1 stop37h 15mShenzhen Airlines
Deal found 17/1£443
Mon 20/106:20LHR - ICN
1 stop18h 50mAir France
Tue 4/212:15ICN - LHR
1 stop18h 10mAir France
Deal found 17/1£452
Thu 23/108:40LHR - ICN
1 stop23h 15mKLM
Sun 2/223:05ICN - LHR
1 stop29h 10mKLM
Deal found 16/1£480
Mon 8/1209:30LHR - ICN
2 stops16h 45mLufthansa
Sun 21/1213:30ICN - LHR
1 stop16h 30mLufthansa
Deal found 16/1£488
Tue 11/206:30LHR - ICN
1 stop16h 10mLOT
Thu 27/212:35ICN - LHR
1 stop30h 00mLOT
Deal found 16/1£489

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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 18/2

17:40-11:40

1 stop33h 00m

Incheon Intl

Tue 25/2

13:10-15:55

1 stop35h 45m

£392

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 8/3

21:30-22:15

1 stop15h 45m

Incheon Intl

Tue 18/3

09:25-17:55

1 stop17h 30m

£398

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 3/3

21:00-11:55

1 stop29h 55m

Incheon Intl

Mon 17/3

18:25-13:55

1 stop28h 30m

£412

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 24/2

21:30-22:15

1 stop15h 45m

Incheon Intl

Wed 26/2

16:35-13:55

1 stop30h 20m

£440

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 1/3

21:10-15:40

1 stop33h 30m

Incheon Intl

Sat 8/3

14:55-19:10

1 stop37h 15m

£443

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 21/3

09:00-17:10

1 stop23h 10m

Incheon Intl

Thu 10/4

08:30-18:35

1 stop18h 05m

£474

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 12/3

11:45-16:55

1 stop20h 10m

Incheon Intl

Wed 19/3

12:15-07:40

2 stops28h 25m

£484

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 11/2

06:30-07:40

1 stop16h 10m

Incheon Intl

Thu 27/2

12:35-09:35

1 stop30h 00m

£489

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 19/3

08:45-11:15

1 stop17h 30m

Incheon Intl

Tue 1/4

12:10-22:40

2 stops18h 30m

£504

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 11/3

20:55-22:15

1 stop16h 20m

Incheon Intl

Mon 17/3

00:20-14:30

1 stop23h 10m

£544

Flights are sorted by cheapest return flights first.

Deals found on 17/1

Showing 1-10 of 19 results
1
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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.

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 10 January 2025.

The best time to book flights from London Heathrow Airport to Incheon Intl Airport is 55 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 £1,205). 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 17 January 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 19% on your trip compared to booking a flight in the evening.

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 Thursday afternoons when fares are most often at their lowest. Saturday evenings 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 17 January 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 17 January 2025.
Read through reviews of airlines operating flights from London to Seoul, such as China Eastern, Shenzhen Airlines and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,339 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Hainan Airlines
7.7
Good
36 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

LOT
7.6
Good
1,114 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Air France
7.4
Good
1,487 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

China Southern
7.4
Good
85 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 £392. Other airlines that can offer you cheap pricing are China Southern, from £398, and China Eastern, from £412. Air China is currently priced 48% 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 £277. Hainan Airlines flights start at £294 while deals on China Eastern start at £297 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 (80%), Virgin Atlantic (59%), Asiana Airlines (51%).

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

    On average you can expect to pay £5,148 for a flight from London Heathrow Airport to Incheon Intl Airport. The cheapest flight overall is £575 while the most popular route, (London Heathrow - Incheon Intl) is currently priced at £414.

  • 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.