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Cheap flights from Incheon Intl Airport to London from $277

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to London departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Incheon Intl Airport to London

Cheap round-trip flights

Scandinavian Airlines Logo
11:45 pm - 4:25 pmICN-LHR
25h 40m2 stops
Scandinavian Airlines Logo
10:20 am - 7:00 pmLHR-ICN
23h 40m1 stop
$578Scandinavian Airlines
Find Deal
Fri, Nov 28 - Sun, Nov 30
China Southern Logo
4:45 pm - 7:00 pmICN-LHR
34h 15m1 stop
China Southern Logo
9:00 pm - 10:10 pmLHR-ICN
17h 10m1 stop
$598China Southern
Find Deal
Wed, Aug 27 - Wed, Sep 3
China Southern Logo
9:25 am - 6:05 pmICN-LHR
16h 40m1 stop
China Southern Logo
9:00 pm - 10:10 pmLHR-ICN
17h 10m1 stop
$604China Southern
Find Deal
Tue, Aug 26 - Tue, Sep 2
Malaysia Airlines Logo
12:10 am - 3:25 pmICN-LHR
24h 15m1 stop
Malaysia Airlines Logo
9:25 pm - 6:30 amLHR-ICN
24h 05m1 stop
$647Malaysia Airlines
Find Deal
Sat, Jan 17 - Mon, Jan 26
Malaysia Airlines Logo
12:10 am - 3:25 pmICN-LHR
24h 15m1 stop
Malaysia Airlines Logo
9:25 pm - 6:30 amLHR-ICN
24h 05m1 stop
$649Malaysia Airlines
Find Deal
Thu, Jan 22 - Sun, Jan 25
SWISS Logo
10:05 am - 9:45 pmICN-LHR
19h 40m1 stop
SWISS Logo
8:45 am - 8:25 amLHR-ICN
15h 40m1 stop
$656SWISS
Find Deal
Wed, Sep 10 - Tue, Sep 16
China Eastern Logo
4:20 pm - 6:40 pmICN-LHR
34h 20m1 stop
China Eastern Logo
9:20 pm - 5:25 pmLHR-ICN
36h 05m1 stop
$677China Eastern
Find Deal
Sat, Aug 16 - Sun, Aug 24
Lufthansa Logo
1:05 pm - 10:20 pmICN-LHR
18h 15m1 stop
Lufthansa Logo
7:40 am - 11:15 amLHR-ICN
18h 35m1 stop
$680Lufthansa
Find Deal
Thu, Nov 27 - Thu, Dec 11
Lufthansa Logo
1:05 pm - 10:20 pmICN-LHR
18h 15m1 stop
Lufthansa Logo
8:45 am - 11:15 amLHR-ICN
17h 30m1 stop
$682Lufthansa
Find Deal
Tue, Dec 9 - Tue, Dec 16
China Eastern Logo
8:55 am - 6:40 pmICN-LHR
17h 45m1 stop
China Eastern Logo
9:20 pm - 8:45 pmLHR-ICN
15h 25m1 stop
$688China Eastern
Find Deal
Tue, Aug 12 - Tue, Aug 19

China Eastern flights from Incheon Intl Airport to London Heathrow Airport

Our best China Eastern deals on Incheon Intl Airport to London Heathrow Airport flight tickets
China Eastern
Aug 16
ICN4:20 pmIncheon Intl
34h 20m
1 stop
LHR6:40 pmLondon Heathrow
Aug 24
LHR9:20 pmLondon Heathrow
36h 05m
1 stop
ICN5:25 pmIncheon Intl
$677
Find similar
China Eastern
Aug 12
ICN12:55 pmIncheon Intl
37h 45m
1 stop
LHR6:40 pmLondon Heathrow
Aug 19
LHR9:20 pmLondon Heathrow
15h 25m
1 stop
ICN8:45 pmIncheon Intl
$684
Find similar
China Eastern
Aug 12
ICN8:55 amIncheon Intl
17h 45m
1 stop
LHR6:40 pmLondon Heathrow
Aug 19
LHR9:20 pmLondon Heathrow
15h 25m
1 stop
ICN8:45 pmIncheon Intl
$688
Find similar

Lufthansa flights from Incheon Intl Airport to London Heathrow Airport

Our best Lufthansa deals on Incheon Intl Airport to London Heathrow Airport flight tickets
Lufthansa
Nov 27
ICN1:05 pmIncheon Intl
18h 15m
1 stop
LHR10:20 pmLondon Heathrow
Dec 11
LHR7:40 amLondon Heathrow
18h 35m
1 stop
ICN11:15 amIncheon Intl
$680
Find similar
Lufthansa
Dec 9
ICN1:05 pmIncheon Intl
18h 15m
1 stop
LHR10:20 pmLondon Heathrow
Dec 16
LHR8:45 amLondon Heathrow
17h 30m
1 stop
ICN11:15 amIncheon Intl
$682
Find similar
Lufthansa
Jan 1
ICN1:05 pmIncheon Intl
18h 15m
1 stop
LHR10:20 pmLondon Heathrow
Jan 11
LHR8:45 amLondon Heathrow
17h 30m
1 stop
ICN11:15 amIncheon Intl
$683
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Incheon Intl Airport to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
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

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 11/28

11:45 pm-4:25 pm

2 stops25h 40m

London Heathrow

Sun 11/30

10:20 am-7:00 pm

1 stop23h 40m

$578

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 8/27

4:45 pm-7:00 pm

1 stop34h 15m

London Heathrow

Wed 9/3

9:00 pm-10:10 pm

1 stop17h 10m

$598

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 8/26

9:25 am-6:05 pm

1 stop16h 40m

London Heathrow

Tue 9/2

9:00 pm-10:10 pm

1 stop17h 10m

$604

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 1/17

12:10 am-3:25 pm

1 stop24h 15m

London Heathrow

Mon 1/26

9:25 pm-6:30 am

1 stop24h 05m

$647

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 1/22

12:10 am-3:25 pm

1 stop24h 15m

London Heathrow

Sun 1/25

9:25 pm-6:30 am

1 stop24h 05m

$649

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 9/10

10:05 am-9:45 pm

1 stop19h 40m

London Heathrow

Tue 9/16

8:45 am-8:25 am

1 stop15h 40m

$656

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sat 8/16

4:20 pm-6:40 pm

1 stop34h 20m

London Heathrow

Sun 8/24

9:20 pm-5:25 pm

1 stop36h 05m

$677

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Thu 11/27

1:05 pm-10:20 pm

1 stop18h 15m

London Heathrow

Thu 12/11

7:40 am-11:15 am

1 stop18h 35m

$680

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 12/9

1:05 pm-10:20 pm

1 stop18h 15m

London Heathrow

Tue 12/16

8:45 am-11:15 am

1 stop17h 30m

$682

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 8/12

8:55 am-6:40 pm

1 stop17h 45m

London Heathrow

Tue 8/19

9:20 pm-8:45 pm

1 stop15h 25m

$688

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Incheon Intl Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Incheon Intl Airport and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Incheon Intl Airport, with most prices found around $665. If you’re not able to fly to London Heathrow Airport in November, then March is your next best option. Flight prices from Incheon Intl Airport to London Heathrow Airport during March average around $714.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $978. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,121.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Incheon Intl Airport to London Heathrow Airport in the evening for as low as $977. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,069.

What is the cheapest Incheon Intl to London Heathrow flight route?

Fly from Incheon Intl to London Heathrow for the best Incheon Intl - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $854 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Incheon Intl Airport for as low as $759 on momondo.

What cabin class options are available on Incheon Intl to London Heathrow flights?

There are 2 cabin classes available to choose from on Incheon Intl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Incheon Intl Airport to London Heathrow Airport flight prices changed over time?

As of July 2025, prices for Incheon Intl Airport to London Heathrow Airport flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from Incheon Intl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Incheon Intl Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Incheon Intl Airport to London Heathrow Airport (ICN to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to London Heathrow Airport

Best Price Found

$277

Fastest flight time

15h 25m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Incheon Intl Airport in the past 72 hours is $277. The best round-trip flight deal from Incheon Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is $578.
The fastest flight from Incheon Intl Airport to London Heathrow Airport takes 15h 25m
Direct flights go from Incheon Intl Airport to London Heathrow Airport every day.
Search flight deals

  • How far is Incheon Intl to London Heathrow by plane?

    There are 5503.3 mi between Incheon Intl and London Heathrow. In terms of flight time, this usually takes a little over 16h 30m.

  • When did momondo last update prices for flights from Incheon Intl Airport to London Heathrow Airport?

    Prices for flights from Incheon Intl Airport to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Incheon Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from Incheon Intl Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Incheon Intl Airport to London Heathrow Airport?

  • What is the most popular airline from Incheon Intl Airport to London Heathrow Airport?

Best airlines flying from Incheon Intl Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Incheon Intl Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $550Free CancellationRating
7.3
93 reviews
Search Air China flights
Etihad AirwaysPriceFrom $672Free CancellationRating
7.4
1,230 reviews
Search Etihad Airways flights
LufthansaPriceFrom $682Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
Asiana AirlinesPriceFrom $822Free CancellationRating
8.2
468 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $847Free CancellationRating
8.4
1,121 reviews
Search Korean Air flights

  • Korean Air Flights From Incheon Intl Airport to London Heathrow Airport

    Korean Air is one of the most popular airlines flying from Incheon Intl Airport to London Heathrow Airport, operating 7 flights/week on average for this route. A good Korean Air flight deal for Incheon Intl Airport to London Heathrow Airport starts from $847 round-trip, up to an average price of $1,216. Our users have rated Korean Air at 8.4/10.

  • Asiana Airlines Flights From Incheon Intl Airport to London Heathrow Airport

    Asiana Airlines (8.2/10 from 468 reviews) operates around 7 flights from Incheon Intl Airport to London Heathrow Airport in any given week. The average Asiana Airlines airfare for this route is around $975, with deals from around $822 rare but found on momondo. Referenced prices are for round-trip Incheon Intl Airport to London Heathrow Airport flight searches in the last 72 hours.

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momondo does allow users to show only those flights to London from Seoul which offer a flexible booking policy as well as other useful filters and features.

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