Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to South Korea from £324

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to South Korea

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to South Korea
Explore the most affordable flight options available from Heathrow to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2026.

Thu 12/1120:25
LHR
-
GMP
1 stop31h 40m
Air China
Wed 18/1114:25
GMP
-
LHR
1 stop36h 25m
Air China
Deal found 14/4£482
Mon 2/1120:25
LHR
-
GMP
1 stop31h 40m
Air China
Sun 8/1114:25
GMP
-
LHR
1 stop36h 25m
Air China
Deal found 12/4£486
Wed 18/1117:40
LHR
-
ICN
1 stop19h 15m
Air China
Wed 2/1211:10
ICN
-
LHR
1 stop15h 40m
Air China
Deal found 12/4£486
Mon 2/1117:40
LHR
-
ICN
1 stop13h 55m
Air China
Mon 16/1113:10
ICN
-
LHR
1 stop35h 45m
Air China
Deal found 12/4£487
Mon 2/1120:25
LHR
-
GMP
1 stop31h 40m
Air China
Mon 16/1114:25
GMP
-
LHR
1 stop34h 30m
Air China
Deal found 12/4£489
Mon 13/421:00
LHR
-
ICN
1 stop17h 10m
Multiple Airlines
Wed 13/516:15
ICN
-
LHR
1 stop34h 25m
Multiple Airlines
Deal found 13/4£491
Thu 5/1121:35
LHR
-
ICN
1 stop30h 20m
Air China
Mon 9/1113:10
ICN
-
LHR
1 stop35h 45m
Air China
Deal found 12/4£493
Sat 2/522:00
LHR
-
ICN
1 stop30h 55m
Air China
Mon 11/515:45
ICN
-
LHR
1 stop33h 55m
Air China
Deal found 14/4£494
Fri 1/520:25
LHR
-
ICN
1 stop17h 35m
Air China
Fri 15/515:45
ICN
-
LHR
1 stop36h 40m
Air China
Deal found 12/4£496
Fri 1/522:40
LHR
-
ICN
1 stop15h 20m
Air China
Mon 11/515:45
ICN
-
LHR
1 stop36h 40m
Air China
Deal found 16/4£497
Wed 27/513:15
LHR
-
ICN
1 stop37h 25m
Air India
Thu 4/612:20
ICN
-
LHR
1 stop38h 40m
Air India
Deal found 13/4£497
Sat 3/1022:05
LHR
-
ICN
1 stop32h 10m
Shenzhen Airlines
Sun 25/1016:45
ICN
-
LHR
1 stop35h 25m
Shenzhen Airlines
Deal found 16/4£499

Find flight deals from Heathrow to South Korea

Keep the following information in mind while searching for Heathrow to South Korea flight deals. Data was last updated 17 April 2026.

Round-trip from

£494

One-way from

£324

Popular in

July

Cheapest in

November

Average price

£601

Good round-trip deal

£678 or less

Good one-way deal

£486 or less
Air China
  • Air China
  • 2/5-11/5
  • 2 total stops
  • 64h 50m total
  • London to South Korea
Search Deals
Hainan Airlines
  • Hainan Airlines
  • 15/6
  • 1 total stop
  • 38h 25m total
  • London to South Korea
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£79 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 April 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to South Korea.
Search Deals
Price to beat on a one-way flight from London Heathrow to South Korea.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to South Korea 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 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Sun 31/5

22:05-13:55

1 stop31h 50m

Jeju City

Thu 4/6

15:00-20:00

1 stop37h 00m

£633

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 20/5

06:15-17:30

2 stops27h 15m

Incheon Intl

Wed 27/5

23:45-14:00

1 stop22h 15m

£714

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 14/5

09:50-17:30

2 stops23h 40m

Incheon Intl

Sun 24/5

23:45-13:55

1 stop22h 10m

£717

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 31/5

09:50-17:30

2 stops23h 40m

Incheon Intl

Thu 11/6

23:45-18:00

1 stop26h 15m

£745

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 29/4

15:30-17:30

1 stop18h 00m

Incheon Intl

Wed 13/5

23:45-18:55

2 stops27h 10m

£749

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Sun 14/6

21:20-11:35

1 stop30h 15m

Busan Gimhae

Wed 17/6

17:50-18:40

1 stop32h 50m

£766

LondonJeju City

LHR - CJU

LHRCJU

London Heathrow

Tue 23/6

06:40-22:30

3 stops31h 50m

Jeju City

Sat 27/6

10:25-07:00

2 stops28h 35m

£770

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Thu 28/5

10:35-18:35

2 stops24h 00m

Incheon Intl

Wed 10/6

23:35-16:25

2 stops24h 50m

£772

LondonBusan

LHR - PUS

LHRPUS

London Heathrow

Fri 15/5

07:00-11:45

2 stops20h 45m

Busan Gimhae

Thu 21/5

12:45-20:25

1 stop15h 40m

£772

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 25/5

21:05-18:35

2 stops37h 30m

Incheon Intl

Thu 11/6

23:35-09:20

1 stop17h 45m

£785

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Heathrow to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea 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 South Korea

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to South Korea (average of £302). Flying from London Heathrow Airport to South Korea in December is currently the most expensive (average of £1,360). 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 KR?

Find hourly flight availability from Heathrow to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 April 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 31% on flights from London Heathrow Airport to South Korea by exploring options for tickets at midday.

Weekly flight availability from London Heathrow Airport to South Korea

Explore weekly flight availability from Heathrow to South Korea. 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 April 2026.

The most flights from LHR to KR0 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 London to South Korea delayed?

About 11% of weekly flights between London and South Korea have experienced delays in the past year, with the average delay time being 118 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night 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 Wednesday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Asiana Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated 17 April 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to South Korea, such as Korean Air,Asiana Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,208 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very Good
1,208 reviews
Korean Air
8.4
Very Good
1,208 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.0
Very Good
518 reviews
Korean Air
8.4
Very Good
1,208 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Virgin Atlantic
7.5
Good
687 reviews
Korean Air
8.4
Very Good
1,208 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air China
7.3
Good
146 reviews
Korean Air
8.4
Very Good
1,208 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Lufthansa
6.8
Okay
7,930 reviews
Korean Air
8.4
Very Good
1,208 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

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

    A quick flight from London Heathrow Airport to South Korea can take about 27h 15m. Shenzhen Airlines provides one of the quickest options available for as low as £714. The distance between London Heathrow Airport and South Korea is about 5503 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    To fly one-way, consider booking your trip with China Eastern, which is currently one of the cheapest options available, starting at £219. China Southern flights start at £245 while deals on Air China start at £273 one-way.

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

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

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

    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 South Korea on time: Virgin Atlantic (91%), Korean Air (74%), Asiana Airlines (39%).

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

    Looking for the cheapest flight from London Heathrow Airport to South Korea? While on average our users pay £1,105, our data indicates the cheapest price to be £413. The most popular route (London Heathrow - Incheon Intl), is priced around £436.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to South Korea (average of £302). Flying from London Heathrow Airport to South Korea in December is currently the most expensive (average of £1,360). 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

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.

Alternative routes for Heathrow to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
Heathrow to Haneda flights
Stansted to Suvarnabhumi flights
London City to Suvarnabhumi flights
Heathrow to Kuala Lumpur Intl flights
Heathrow to Narita flights
Heathrow to New Delhi flights
Gatwick to Haneda flights
Gatwick to Narita flights
Heathrow to Hong Kong flights
Stansted to Narita flights
Luton to Suvarnabhumi flights
Stansted to Haneda flights
Heathrow to Colombo flights
Heathrow to Mumbai flights
Heathrow to Don Mueang Intl flights
Gatwick to Kuala Lumpur Intl flights
London City to Narita flights
Heathrow to Singapore flights
Heathrow to Manila flights
Heathrow to Hongqiao Intl flights
Heathrow to Islamabad flights
Heathrow to Incheon Intl flights
Gatwick to Don Mueang Intl flights
London City to Haneda flights
Heathrow to Denpasar flights
Gatwick to Singapore flights
Stansted to Kuala Lumpur Intl flights
Gatwick to Hongqiao Intl flights
Gatwick to New Delhi flights
Stansted to New Delhi flights
Gatwick to Manila flights
Stansted to Manila flights
London City to Kuala Lumpur Intl flights
Stansted to Denpasar flights
London City to Manila flights
Gatwick to Denpasar flights
Stansted to Islamabad flights
Heathrow to Pu Dong flights
London City to Denpasar flights
Gatwick to Pu Dong flights
Heathrow to Hyderabad flights
Heathrow to Dhaka flights
Heathrow to Hanoi flights
Luton to Narita flights
Heathrow to Taiwan Taoyuan Intl flights
Heathrow to Lahore flights
Stansted to Mumbai flights
Gatwick to Colombo flights

Top 10 airlines flying from Heathrow to South Korea

Discover the top 10 airlines that operate flights from Heathrow to South Korea. 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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£246Average£449FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£356Average£510FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£374Average£488FlexibilityNo cancel feeOn-time67%
Search Air China flights
LufthansaCheapest£418Average£603FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£452Average£659FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air FranceCheapest£486Average£672FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest£497Average£677FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
KLMCheapest£509Average£768FlexibilityNo cancel feeOn-time75%
Search KLM flights
LOTCheapest£551Average£778FlexibilityNo cancel feeOn-time81%
Search LOT flights
Virgin AtlanticCheapest£573Average£683FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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 Heathrow to South Korea?

Deals for Heathrow to South Korea flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to South Korea?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to South Korea by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Heathrow to South Korea with no change fees.

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

Yes, Cheapflights offers price alerts on Heathrow to South Korea flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.