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Cheap flights from South Korea to London Heathrow Airport from £225

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
9 Aug — 16 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from South Korea to Heathrow

Enter your travel dates to find the best prices.

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 10 July 2026.

Wed 5/817:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Wed 19/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 7/7£479
Tue 4/817:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Tue 11/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 6/7£489
Sat 8/817:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Wed 12/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 10/7£489
Wed 19/817:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Wed 26/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 6/7£492
Mon 24/812:45
PUS
-
LHR
1 stop15h 40m
Air China
Mon 31/822:40
LHR
-
PUS
1 stop29h 05m
Air China
Deal found 10/7£512
Thu 13/817:50
PUS
-
LHR
1 stop32h 50m
China Eastern
Mon 24/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 7/7£517
Sat 7/1114:25
GMP
-
LHR
1 stop34h 30m
Air China
Sat 28/1120:25
LHR
-
GMP
1 stop31h 40m
Air China
Deal found 8/7£520
Sun 26/712:35
PUS
-
LHR
1 stop38h 05m
China Eastern
Sun 16/821:20
LHR
-
PUS
1 stop30h 15m
China Eastern
Deal found 6/7£521
Wed 5/817:10
TAE
-
LHR
1 stop33h 30m
China Eastern
Thu 13/821:20
LHR
-
TAE
1 stop29h 40m
China Eastern
Deal found 10/7£524
Wed 5/820:50
GMP
-
LHR
1 stop29h 50m
China Eastern
Fri 7/821:20
LHR
-
GMP
1 stop29h 40m
China Eastern
Deal found 7/7£527
Tue 4/817:10
TAE
-
LHR
1 stop33h 30m
China Eastern
Wed 12/821:20
LHR
-
TAE
1 stop29h 40m
China Eastern
Deal found 6/7£528
Thu 23/713:40
CJU
-
LHR
1 stop37h 00m
China Eastern
Thu 6/821:20
LHR
-
CJU
1 stop31h 10m
China Eastern
Deal found 7/7£528

Find 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 10 July 2026.

Round-trip from

£479

One-way from

£225

Popular in

October

Cheapest in

November

Average price

£609

Good round-trip deal

£695 or less

Good one-way deal

£427 or less
China Eastern
  • China Eastern
  • 5/8-19/8
  • 2 total stops
  • 63h 05m total
  • South Korea to London
Search Deals
China Southern
  • China Southern
  • 22/10
  • 1 total stop
  • 36h 35m total
  • South Korea to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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.
Search Deals

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 10 July 2026.
Use the filters below to find and compare flights from South Korea to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DaeguLondon

TAE - LHR

TAELHR

Daegu

Tue 4/8

17:10-18:40

1 stop33h 30m

London Heathrow

Wed 12/8

21:20-11:00

1 stop29h 40m

£541

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Tue 28/7

15:00-20:00

1 stop37h 00m

London Heathrow

Sun 30/8

22:05-13:55

1 stop31h 50m

£588

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 21/7

11:40-22:40

1 stop19h 00m

London Heathrow

Thu 30/7

07:25-09:55

1 stop18h 30m

£589

DaeguLondon

TAE - LHR

TAELHR

Daegu

Wed 5/8

17:10-18:40

1 stop33h 30m

London Heathrow

Wed 19/8

21:20-11:00

1 stop29h 40m

£621

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 21/10

23:35-16:00

1 stop24h 25m

London Heathrow

Sat 24/10

17:30-19:00

2 stops41h 30m

£662

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 6/1

12:55-08:05

2 stops28h 10m

London Heathrow

Fri 15/1

07:40-11:15

1 stop18h 35m

£687

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 28/11

13:30-07:45

2 stops27h 15m

London Heathrow

Wed 9/12

07:40-11:00

2 stops18h 20m

£688

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 8/9

11:40-22:10

2 stops18h 30m

London Heathrow

Wed 16/9

06:55-09:55

1 stop19h 00m

£697

Jeju CityLondon

CJU - LHR

CJULHR

Jeju City

Mon 23/11

14:20-09:10

2 stops27h 50m

London Heathrow

Fri 27/11

21:00-21:20

1 stop15h 20m

£735

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 14/9

11:00-19:10

2 stops40h 10m

London Heathrow

Wed 23/9

20:50-07:10

2 stops50h 20m

£740

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

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, September is the cheapest month in which you can book a flight from South Korea to London Heathrow Airport (average of £119). Flying from South Korea to London Heathrow Airport in August is currently the most expensive (average of £443). 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 10 July 2026.

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 10 July 2026.

The most flights from KR0 to LHR are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from South Korea to London delayed?

About 26% of weekly flights between South Korea and London have experienced delays in the past year, with the average delay time being 96 minutes.

What is the most punctual flight time for South Korea to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on South Korea to London flights?

Over the past year, Korean Air have had the lowest number of delays on this route, with just 20% of flights being delayed.

How far ahead should I book a flight from South Korea to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from South Korea to London Heathrow Airport, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 10 July 2026.
Get a feel of what it's like to fly with Korean Air,Asiana Airlines, andVirgin Atlantic 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
1,221 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,221 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.1
Very Good
551 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Virgin Atlantic
7.5
Good
693 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air China
7.4
Good
157 reviews
Korean Air
8.4
Very Good
1,221 reviews
Check prices

Boarding

8.5

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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.

  • How long is the flight from South Korea to London Heathrow Airport?

    There are many flights that can get you from South Korea to London Heathrow Airport in 19h. Fly via China Eastern, Shenzhen Airlines, or Lufthansa to get the fastest option. The distance between South Korea and London Heathrow Airport is about 5503 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from South Korea to London Heathrow Airport one-way?

    £120 is the cheapest one-way deal found within the past few days, from China Eastern. You may also be able to find cheap deals on Air China and Etihad Airways, with prices starting from £129 and £252, 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 Virgin Atlantic (80%), Asiana Airlines (79%) or Korean Air (76%) 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 £240. While the most popular route (Incheon Intl - London Heathrow) can be booked for £461 on average, our data indicates £948 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, September is the cheapest month in which you can book a flight from South Korea to London Heathrow Airport (average of £119). Flying from South Korea to London Heathrow Airport in August is currently the most expensive (average of £443). 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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Croydon
Ilford
Hayes
Brentford
Colchester
Northampton
Watford
Kingston upon Thames
Eastbourne
Swindon
Poole
Southall
Aylesbury
Romford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 10 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£465Average£579FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£481Average£553FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Virgin AtlanticCheapest£515Average£702FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Korean AirCheapest£618Average£822FlexibilityNo 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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