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Cheap flights from South Korea to London Heathrow Airport from £207

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
22 Jul — 29 Jul1
1 adult

Cheap flight deals from South Korea to Heathrow

Keep the following information in mind while searching for South Korea to Heathrow flight deals. Data was last updated 17 July 2025.

Round-trip from

£474

One-way from

£213

Popular in

April

Cheapest in

December

Average price

£677

Good round-trip deal

£726 or less

Good one-way deal

£486 or less
China Southern
  • China Southern
  • 19/10-26/10
  • 2 total stops
  • 66h 30m total
  • South Korea to London
Search Deals
Etihad Airways
  • Etihad Airways
  • 12/11
  • 1 total stop
  • 22h 40m total
  • South Korea to London
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from South Korea to London Heathrow.
Search Deals
Price to beat on a one-way flight from South Korea to London Heathrow.
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Find flight deals from South Korea to Heathrow

Cheapest flights from South Korea to Heathrow
Explore the most affordable flight options available from South Korea to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 July 2025.

Sat 25/1013:30GMP - LHR
1 stop37h 25mChina Southern
Mon 3/1121:30LHR - GMP
1 stop29h 55mChina Southern
Deal found 13/7£461
Sat 18/1013:30GMP - LHR
1 stop36h 35mMultiple Airlines
Sat 25/1022:40LHR - GMP
1 stop30h 25mMultiple Airlines
Deal found 16/7£486
Tue 28/1010:35PUS - LHR
1 stop29h 40mVietnam Airlines
Sun 9/1111:00LHR - PUS
1 stop34h 10mVietnam Airlines
Deal found 16/7£496
Sat 22/1112:35PUS - LHR
1 stop37h 55mChina Eastern
Fri 28/1121:00LHR - PUS
1 stop29h 35mChina Eastern
Deal found 15/7£502
Mon 13/1014:55ICN - LHR
1 stop37h 20mAir China
Sat 25/1022:00LHR - ICN
1 stop30h 55mAir China
Deal found 14/7£505
Mon 13/1016:45ICN - LHR
1 stop34h 15mChina Southern
Tue 28/1022:00LHR - ICN
1 stop37h 35mChina Southern
Deal found 14/7£506
Sat 11/1000:10ICN - LHR
1 stop24h 25mMultiple Airlines
Tue 21/1022:00LHR - ICN
1 stop30h 55mMultiple Airlines
Deal found 14/7£508
Tue 14/1012:25ICN - LHR
1 stop17h 45mLufthansa
Sun 26/1008:45LHR - ICN
1 stop17h 30mLufthansa
Deal found 15/7£510
Sat 11/1000:10ICN - LHR
1 stop24h 25mMalaysia Airlines
Wed 29/1021:25LHR - ICN
1 stop39h 45mMalaysia Airlines
Deal found 14/7£514
Sat 23/812:45PUS - LHR
1 stop37h 00mAir China
Sat 30/820:25LHR - PUS
1 stop31h 20mAir China
Deal found 16/7£520
Mon 1/1223:45ICN - LHR
1 stop18h 35mScandinavian Airlines
Sat 28/215:35LHR - ICN
2 stops42h 25mScandinavian Airlines
Deal found 15/7£522
Mon 15/1214:25GMP - LHR
1 stop34h 30mAir China
Thu 1/120:25LHR - GMP
1 stop31h 40mAir China
Deal found 15/7£524

Cheapflights Fare Finder

Customise your flight search to find flights from South Korea to Heathrow 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 July 2025.
Use the filters below to find and compare flights from South Korea to London Heathrow Airport that are best for you.

Fly from

South Korea

Fly to

Heathrow

Route

Depart

Return

Price

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sun 19/10

13:30-18:05

1 stop36h 35m

London Heathrow

Sun 26/10

21:30-12:25

1 stop29h 55m

£474

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Sat 18/10

13:30-18:05

1 stop36h 35m

London Heathrow

Sat 25/10

22:40-13:05

1 stop30h 25m

£486

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Tue 28/10

10:35-07:15

1 stop29h 40m

London Heathrow

Sun 9/11

11:00-06:10

1 stop34h 10m

£496

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 22/11

12:35-17:30

1 stop37h 55m

London Heathrow

Fri 28/11

21:00-11:35

1 stop29h 35m

£502

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 13/10

14:55-20:15

1 stop37h 20m

London Heathrow

Sat 25/10

22:00-12:55

1 stop30h 55m

£505

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 13/10

16:45-19:00

1 stop34h 15m

London Heathrow

Tue 28/10

22:00-20:35

1 stop37h 35m

£506

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 11/10

00:10-16:35

1 stop24h 25m

London Heathrow

Tue 21/10

22:00-12:55

1 stop30h 55m

£508

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 11/8

11:40-19:40

1 stop16h 00m

London Heathrow

Mon 1/12

10:30-10:50

1 stop15h 20m

£509

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 11/10

00:10-16:35

1 stop24h 25m

London Heathrow

Wed 29/10

21:25-22:10

1 stop39h 45m

£514

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Sat 23/8

12:45-17:45

1 stop37h 00m

London Heathrow

Sat 30/8

20:25-11:45

1 stop31h 20m

£520

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 47 results
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Best time to book a flight from South Korea to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from South Korea 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 South Korea to London Heathrow Airport

What is the cheapest month to book a flight from South Korea to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from South Korea to London Heathrow Airport (average of £112). Flying from South Korea to London Heathrow Airport in August is currently the most expensive (average of £164). 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 KR to LHR?

Find hourly flight availability from South Korea to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 July 2025.

When flying from South Korea to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from South Korea to London Heathrow Airport

Explore weekly flight availability from South Korea to Heathrow. 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 July 2025.

The most flights from KR0 to LHR 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).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 17 July 2025.
Get a feel of what it's like to fly with Korean Air, China Airlines, andAsiana Airlines from South Korea to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,109 reviews
Check prices

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very Good
1,109 reviews
Korean Air
8.4
Very Good
1,109 reviews
Check prices

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
China Airlines
8.2
Very Good
745 reviews
Korean Air
8.4
Very Good
1,109 reviews
Check prices

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Asiana Airlines
8.2
Very Good
456 reviews
Korean Air
8.4
Very Good
1,109 reviews
Check prices

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Cathay Pacific
7.6
Good
933 reviews
Korean Air
8.4
Very Good
1,109 reviews
Check prices

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
China Southern
7.6
Good
103 reviews
Korean Air
8.4
Very Good
1,109 reviews
Check prices

Crew

8.7

Boarding

8.5

Comfort

8.2

Food

8.1

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

Find useful and relevant information for your journey from South Korea to Heathrow. 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 to fly from South Korea to London Heathrow Airport one-way?

    £213 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on Vietnam Airlines and Malaysia Airlines, with prices starting from £218 and £221, respectively.

  • What are the most popular routes from South Korea to London Heathrow Airport?

    When deciding which route to take from South Korea to London Heathrow Airport consider Incheon Intl - London Heathrow, Seoul Gimpo Intl - London Heathrow or Busan Gimhae - London Heathrow as they are the most popular.

  • What are the most reliable airlines from South Korea to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from South Korea to London Heathrow Airport consider choosing Korean Air (83%), Virgin Atlantic (77%) or Asiana Airlines (65%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from South Korea to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for £324. While the most popular route (Incheon Intl - London Heathrow) can be booked for £454 on average our data indicates £700 when flying from South Korea to London Heathrow Airport.

  • Can I find deals for flights from South Korea to Heathrow that include hotel bookings?

    Yes. In addition to deals on South Korea to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from South Korea to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Heathrow.

  • Can I find deals for business class flights from South Korea to Heathrow?

    Yes. Cheapflights offers flight deals from South Korea to Heathrow 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 South Korea to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from South Korea to London Heathrow Airport (average of £112). Flying from South Korea to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Milton Keynes
Croydon
Hounslow
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Southend-on-Sea
Folkestone
Watford
Winchester
Swindon
Maidstone

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Alternative routes for South Korea to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from South Korea to Heathrow

Discover the top 3 airlines that operate flights from South Korea to Heathrow. 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 17 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£354Average£529FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
FinnairCheapest£561Average£670FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Asiana AirlinesCheapest£648Average£741FlexibilityNo cancel feeOn-time76%
Search Asiana 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 South Korea to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from South Korea to Heathrow. 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 South Korea to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from South Korea by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from South Korea to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from South Korea? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from South Korea to Heathrow become cheaper?

Yes! Start tracking prices for South Korea to Heathrow 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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