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Cheap flights from South Korea to London Heathrow Airport from £163

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
1 Apr — 8 Apr1
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 27 March 2025.

Round-trip from

£378

One-way from

£163

Popular in

September

Cheapest in

December

Average price

£508

Good round-trip deal

£747 or less

Good one-way deal

£364 or less
China Southern
  • China Southern
  • 8/5-13/5
  • 2 total stops
  • 68h 00m total
  • South Korea to London
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China Southern
  • China Southern
  • 9/4
  • 1 total stop
  • 36h 35m total
  • South Korea to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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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 27 March 2025.

Tue 1/413:30GMP - LHR
1 stop36h 35mChina Southern
Wed 23/421:00LHR - GMP
1 stop31h 25mChina Southern
Deal found 26/3£366
Wed 7/520:50GMP - LHR
1 stop29h 50mChina Eastern
Sat 17/521:20LHR - GMP
1 stop29h 40mChina Eastern
Deal found 26/3£384
Tue 1/417:50PUS - LHR
1 stop32h 50mChina Eastern
Mon 14/421:20LHR - PUS
1 stop35h 30mChina Eastern
Deal found 26/3£385
Mon 16/614:25GMP - LHR
1 stop35h 20mAir China
Fri 20/620:25LHR - GMP
1 stop32h 40mAir China
Deal found 26/3£415
Tue 1/412:55ICN - LHR
1 stop37h 45mChina Eastern
Mon 14/421:20LHR - ICN
1 stop32h 10mChina Eastern
Deal found 27/3£416
Thu 10/416:45ICN - LHR
1 stop34h 15mChina Southern
Thu 24/421:00LHR - ICN
1 stop17h 10mChina Southern
Deal found 26/3£417
Wed 28/514:55ICN - LHR
1 stop37h 20mAir China
Sat 7/622:00LHR - ICN
1 stop30h 55mAir China
Deal found 27/3£418
Fri 28/314:55ICN - LHR
1 stop37h 45mMultiple Airlines
Mon 14/422:10LHR - ICN
1 stop33h 15mMultiple Airlines
Deal found 27/3£418
Thu 3/421:50ICN - LHR
1 stop32h 20mFinnair
Sun 13/416:10LHR - ICN
1 stop35h 10mFinnair
Deal found 27/3£436
Tue 1/412:45PUS - LHR
1 stop37h 00mAir China
Tue 8/420:25LHR - PUS
1 stop31h 20mAir China
Deal found 27/3£436
Thu 27/312:15ICN - LHR
1 stop18h 10mAir France
Mon 31/319:45LHR - ICN
1 stop26h 45mAir France
Deal found 26/3£453
Wed 7/500:10ICN - LHR
1 stop24h 25mMalaysia Airlines
Sun 18/511:00LHR - ICN
1 stop36h 10mMalaysia Airlines
Deal found 25/3£461

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 27 March 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

Thu 8/5

13:30-18:05

1 stop36h 35m

London Heathrow

Tue 13/5

21:00-12:25

1 stop31h 25m

£378

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Wed 7/5

20:50-18:40

1 stop29h 50m

London Heathrow

Sat 17/5

21:20-11:00

1 stop29h 40m

£384

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Thu 8/5

12:35-18:40

1 stop38h 05m

London Heathrow

Sat 17/5

21:20-11:35

1 stop30h 15m

£390

SeoulLondon

GMP - LHR

GMPLHR

Seoul Gimpo Intl

Mon 16/6

14:25-17:45

1 stop35h 20m

London Heathrow

Fri 20/6

20:25-13:05

1 stop32h 40m

£415

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 10/4

16:45-19:00

1 stop34h 15m

London Heathrow

Thu 24/4

21:00-22:10

1 stop17h 10m

£417

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 28/5

14:55-20:15

1 stop37h 20m

London Heathrow

Sat 7/6

22:00-12:55

1 stop30h 55m

£418

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 29/5

12:55-18:40

1 stop37h 45m

London Heathrow

Sat 31/5

21:20-17:25

1 stop36h 05m

£419

BusanLondon

PUS - LHR

PUSLHR

Busan Gimhae

Mon 19/5

12:45-20:30

1 stop15h 45m

London Heathrow

Mon 2/6

22:40-11:45

1 stop29h 05m

£436

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 7/4

21:50-12:10

1 stop22h 20m

London Heathrow

Sun 20/4

18:10-11:20

1 stop33h 10m

£437

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 7/4

14:55-20:15

1 stop37h 20m

London Heathrow

Mon 14/4

22:05-13:40

1 stop31h 35m

£443

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 58 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 27 March 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.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 27 March 2025.
See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from South Korea to London have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very Good
1,169 reviews
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very Good
1,050 reviews
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very Good
1,440 reviews
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.2
Very Good
722 reviews
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Asiana Airlines
8.2
Very Good
440 reviews
EVA Air
8.4
Very Good
1,169 reviews
Check prices

Crew

8.6

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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?

    £163 is the cheapest one-way deal found within the past few days, from China Southern. You may also be able to find cheap deals on Air China and China Eastern, with prices starting from £197 and £199, 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 (69%), Asiana Airlines (67%) or Virgin Atlantic (66%) 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 £352. While the most popular route (Incheon Intl - London Heathrow) can be booked for £372 on average our data indicates £1,077 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 South Korea?

Book flights to South Korea if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Northampton
Swindon
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Korea to Heathrow

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Top 4 airlines flying from South Korea to Heathrow

Discover the top 4 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 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£368Average£562FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
FinnairCheapest£583Average£698FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Asiana AirlinesCheapest£614Average£808FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Korean AirCheapest£698Average£960FlexibilityNo cancel feeOn-time81%
Search Korean Air 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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