Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Incheon Intl Airport to London Heathrow Airport from £172

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — LHR
11 Jun — 18 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to London Heathrow are usually found in November or March, booked 78 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Incheon Intl to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Incheon Intl to Heathrow
Explore the most affordable flight options available from Incheon Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 May 2026.

Thu 21/516:15
ICN
-
LHR
1 stop34h 25m
China Eastern
Thu 28/521:20
LHR
-
ICN
1 stop36h 05m
China Eastern
Deal found 7/5£412
Wed 10/614:30
ICN
-
LHR
1 stop36h 10m
China Eastern
Wed 17/621:20
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 9/5£416
Fri 5/608:55
ICN
-
LHR
1 stop17h 45m
China Eastern
Mon 15/621:20
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 11/5£419
Thu 4/618:25
ICN
-
LHR
1 stop32h 15m
China Eastern
Thu 11/621:20
LHR
-
ICN
1 stop33h 50m
China Eastern
Deal found 11/5£420
Thu 21/512:55
ICN
-
LHR
1 stop37h 45m
China Eastern
Wed 27/521:20
LHR
-
ICN
1 stop36h 05m
China Eastern
Deal found 9/5£420
Fri 5/614:30
ICN
-
LHR
1 stop36h 10m
China Eastern
Thu 11/621:20
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 11/5£421
Tue 9/616:20
ICN
-
LHR
1 stop34h 20m
China Eastern
Tue 16/621:20
LHR
-
ICN
1 stop33h 50m
China Eastern
Deal found 9/5£425
Wed 3/614:30
ICN
-
LHR
1 stop36h 10m
China Eastern
Tue 9/621:20
LHR
-
ICN
1 stop34h 00m
China Eastern
Deal found 8/5£426
Wed 3/614:30
ICN
-
LHR
1 stop36h 10m
China Eastern
Thu 11/621:20
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 9/5£427
Wed 10/614:30
ICN
-
LHR
1 stop36h 10m
China Eastern
Tue 16/621:20
LHR
-
ICN
1 stop33h 50m
China Eastern
Deal found 11/5£428
Wed 20/514:30
ICN
-
LHR
1 stop36h 10m
China Eastern
Thu 28/521:20
LHR
-
ICN
1 stop15h 25m
China Eastern
Deal found 7/5£430

Find flight deals from Incheon Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Heathrow (LHR). 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 12 May 2026.

Round-trip from

£416

One-way from

£172

Popular in

October

Cheapest in

November

Average price

£600

Good round-trip deal

£688 or less

Good one-way deal

£428 or less
China Eastern
  • China Eastern
  • 10/6-17/6
  • 2 total stops
  • 51h 35m total
  • Incheon to London
Search Deals
China Eastern
  • China Eastern
  • 16/6
  • 1 total stop
  • 34h 25m total
  • Incheon to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Incheon Intl to London Heathrow.
Search Deals
Price to beat on a one-way flight from Incheon Intl to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Incheon Intl 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 12 May 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 6/11

13:05-08:05

2 stops28h 00m

London Heathrow

Sun 15/11

09:30-10:50

1 stop16h 20m

£566

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 4/6

17:50-12:45

1 stop26h 55m

London Heathrow

Thu 11/6

14:45-10:50

1 stop36h 05m

£585

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 28/5

17:50-15:05

1 stop29h 15m

London Heathrow

Fri 5/6

09:30-10:50

1 stop17h 20m

£589

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Mon 5/10

23:35-21:40

1 stop30h 05m

London Heathrow

Mon 26/10

10:35-19:00

2 stops23h 25m

£613

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 27/6

15:15-20:00

1 stop36h 45m

London Heathrow

Wed 8/7

22:05-14:15

1 stop32h 10m

£651

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 28/5

23:45-13:15

1 stop21h 30m

London Heathrow

Fri 5/6

09:50-17:30

2 stops23h 40m

£765

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 2/6

13:40-08:00

2 stops26h 20m

London Heathrow

Wed 17/6

15:05-10:30

1 stop35h 25m

£775
Fastest return journey

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 24/6

15:10-06:25

2 stops23h 15m

London Heathrow

Fri 26/6

16:00-17:05

1 stop17h 05m

£776

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 3/6

13:40-08:00

2 stops26h 20m

London Heathrow

Sun 7/6

19:25-17:30

1 stop38h 05m

£805

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 23/8

01:20-08:00

1 stop38h 40m

London Heathrow

Fri 28/8

12:00-17:05

2 stops21h 05m

£829

Flights are sorted by cheapest return flights first.

Deals found on 7/5

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Incheon Intl to Heathrow

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

How far ahead should I book a flight from Incheon Intl Airport to London Heathrow Airport?

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Incheon Intl Airport to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of £497). Flying from Incheon Intl Airport to London Heathrow Airport in October is currently the most expensive (average of £944). 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 ICN to LHR?

Find hourly flight availability from Incheon Intl 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 12 May 2026.

When flying from Incheon Intl Airport 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.

How much does it cost for a return flight from Incheon Intl Airport to London Heathrow Airport?

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 12 May 2026.
Read through reviews of airlines operating flights from Incheon Intl Airport to London Heathrow Airport, 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
1,217 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

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
1,217 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

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
532 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

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
7.4
Good
688 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

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
7.3
Good
149 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

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 Incheon Intl 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 Incheon Intl Airport to London Heathrow Airport?

    Lufthansa, Etihad Airways, and Scandinavian Airlines can get you from Incheon Intl Airport to London Heathrow Airport in just under 26h 55m. Your travel time can differ by up to 3h 10m. Airlines will cover a distance of 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 flying from Incheon Intl Airport to London Heathrow Airport round-trip?

    Our cheapest airline available from Incheon Intl Airport to London Heathrow Airport is Air China. Our recent data shows that you can find tickets from as low as £434 on this airline. Additional options worth looking into are Asiana Airlines and Virgin Atlantic, starting at £474 and £485 round-trip. Air China is currently priced 34% below the average price you’ll pay for this route.

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

    The cheapet airlines for a one-way flight from Incheon Intl Airport to London Heathrow Airport are China Eastern (£118), Air China (£130), and Etihad Airways (£229).

  • What are the most reliable airlines from Incheon Intl Airport to London Heathrow Airport?

    The top 3 most reliable airlines when flying from Incheon Intl Airport to London Heathrow Airport are Asiana Airlines (83%), Virgin Atlantic (81%) and Korean Air (72%).

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

    While on average a flight from Incheon Intl Airport to London Heathrow Airport is generally £662, our data shows the cheapest flight currently is £392. When looking at the most popular route, (Incheon Intl - London Heathrow), you can expect to pay £408 for that flight.

  • Can I find deals for flights from Incheon Intl to Heathrow that include hotel bookings?

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

  • How can I find direct flights from Incheon Intl to Heathrow?

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

  • Can I find deals for business class flights from Incheon Intl to Heathrow?

    Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl Airport to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Incheon Intl Airport to London Heathrow Airport (average of £497). Flying from Incheon Intl Airport to London Heathrow Airport in October is currently the most expensive (average of £944). 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
Hounslow
Croydon
Wembley
Northampton
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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 Incheon Intl to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Gatwick flights
Incheon Intl to Stansted flights
Incheon Intl to London City flights
Gimpo Intl to Heathrow flights
Gimpo Intl to London City flights

Top 4 airlines flying from Incheon Intl to Heathrow

Discover the top 4 airlines that operate flights from Incheon Intl 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 12 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£434Average£568FlexibilityNo cancel feeOn-time67%
Search Air China flights
Asiana AirlinesCheapest£474Average£545FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Virgin AtlanticCheapest£485Average£684FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Korean AirCheapest£608Average£809FlexibilityNo 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 Incheon Intl to Heathrow?

Cheapflights helps you search for flights from Incheon Intl to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to Heathrow?

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 Incheon Intl to Heathrow.

Can Cheapflights find flights from Incheon Intl to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Incheon Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Incheon Intl to Heathrow become cheaper?

Yes! Start tracking prices for Incheon Intl 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.

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.