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Cheap flights from London Heathrow Airport to Incheon Intl Airport from £317

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Incheon Intl are usually found in November or February, booked 61 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 29 April 2025.

Round-trip from

£427

One-way from

£317

Popular in

July

Cheapest in

November

Average price

£777

Good round-trip deal

£868 or less

Good one-way deal

£564 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 13/6-22/6
  • 2 total stops
  • 70h 45m total
  • London to Incheon
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China Southern
  • China Southern
  • 31/8
  • 1 total stop
  • 33h 15m total
  • London to Incheon
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Highest demand for flights based on searches. 14% potential increase in price (£87 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
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Average for round-trip flights in April 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 29 April 2025.

Fri 13/622:05LHR - ICN
1 stop33h 35mShenzhen Airlines
Sun 22/614:40ICN - LHR
1 stop37h 10mShenzhen Airlines
Deal found 28/4£427
Tue 13/522:40LHR - ICN
1 stop33h 55mAir China
Tue 27/517:50ICN - LHR
1 stop34h 40mAir China
Deal found 29/4£427
Sat 1/1121:30LHR - ICN
1 stop15h 55mChina Southern
Fri 21/1109:25ICN - LHR
1 stop17h 30mChina Southern
Deal found 29/4£429
Tue 17/621:00LHR - ICN
1 stop17h 10mMultiple Airlines
Tue 24/608:55ICN - LHR
1 stop17h 45mMultiple Airlines
Deal found 28/4£433
Mon 19/521:20LHR - ICN
1 stop15h 25mChina Eastern
Tue 3/616:35ICN - LHR
1 stop34h 05mChina Eastern
Deal found 28/4£456
Sun 9/1107:40LHR - ICN
2 stops18h 10mLufthansa
Thu 20/1112:55ICN - LHR
1 stop18h 20mLufthansa
Deal found 27/4£457
Mon 23/618:40LHR - ICN
1 stop29h 45mSWISS
Mon 7/710:05ICN - LHR
1 stop19h 40mSWISS
Deal found 29/4£516
Wed 5/1117:30LHR - ICN
2 stops40h 30mScandinavian Airlines
Mon 10/1123:45ICN - LHR
1 stop18h 35mScandinavian Airlines
Deal found 29/4£549

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 29 April 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

Fri 13/6

22:05-15:40

1 stop33h 35m

Incheon Intl

Sun 22/6

14:40-19:50

1 stop37h 10m

£427

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 13/5

22:40-16:35

1 stop33h 55m

Incheon Intl

Tue 27/5

17:50-20:30

1 stop34h 40m

£427

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 13/5

21:00-22:10

1 stop17h 10m

Incheon Intl

Sat 24/5

16:45-19:00

1 stop34h 15m

£430

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 17/6

21:00-22:10

1 stop17h 10m

Incheon Intl

Tue 24/6

08:55-18:40

1 stop17h 45m

£433

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 19/5

21:20-20:45

1 stop15h 25m

Incheon Intl

Tue 3/6

16:35-18:40

1 stop34h 05m

£456

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 20/5

07:25-09:55

1 stop18h 30m

Incheon Intl

Wed 10/12

13:30-22:55

1 stop18h 25m

£482

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 23/6

18:40-08:25

1 stop29h 45m

Incheon Intl

Mon 7/7

10:05-21:45

1 stop19h 40m

£516

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 31/8

22:10-15:25

1 stop33h 15m

£317

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Tue 3/6

19:30-13:55

2 stops34h 25m

£319

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 24/5

22:05-15:40

1 stop33h 35m

£322

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 18 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 £675). Flying from London Heathrow Airport to Incheon Intl Airport in July is currently the most expensive (average of £1,165). 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 29 April 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 29 April 2025.

The most flights from LHR to ICN are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 29 April 2025.
Read through reviews of airlines operating flights from London to Seoul, such as Hainan Airlines, LOT and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Boarding

8.6

Crew

9.0

Entertainment

7.7

Food

8.5

Overall

8.1

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.1
Very Good
38 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Boarding

8.6

Crew

9.0

Entertainment

7.7

Food

8.5

Overall

8.1

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
LOT
7.6
Good
1,069 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Boarding

8.6

Crew

9.0

Entertainment

7.7

Food

8.5

Overall

8.1

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Austrian Airlines
7.6
Good
780 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Boarding

8.6

Crew

9.0

Entertainment

7.7

Food

8.5

Overall

8.1

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Southern
7.5
Good
96 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Boarding

8.6

Crew

9.0

Entertainment

7.7

Food

8.5

Overall

8.1

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
SWISS
7.5
Good
1,588 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Boarding

8.6

Crew

9.0

Entertainment

7.7

Food

8.5

Overall

8.1

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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 £427. Other airlines that can offer you cheap pricing are Air China, from £427, and China Southern, from £432. Shenzhen Airlines is currently priced 38% 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 £317. Shenzhen Airlines flights start at £322 while deals on China Eastern start at £324 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: Virgin Atlantic (78%), Asiana Airlines (52%), Korean Air (39%).

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

    On average you can expect to pay £4,619 for a flight from London Heathrow Airport to Incheon Intl Airport. The cheapest flight overall is £547 while the most popular route, (London Heathrow - Incheon Intl) is currently priced at £354.

  • 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 £675). Flying from London Heathrow Airport to Incheon Intl Airport in July is currently the most expensive (average of £1,165). 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 29 April 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£339Average£452FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£345Average£459FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£366Average£472FlexibilityNo cancel feeOn-time67%
Search Air China flights
LufthansaCheapest£471Average£652FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Etihad AirwaysCheapest£526Average£652FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
LOTCheapest£543Average£710FlexibilityNo cancel feeOn-time81%
Search LOT flights
FinnairCheapest£546Average£713FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Turkish AirlinesCheapest£550Average£624FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air FranceCheapest£552Average£745FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£564Average£772FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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