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Cheap flights from Incheon Intl Airport to London Heathrow Airport from £152

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 Heathrow Airport departing on 20/3. 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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0 bags

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Find the cheapest flights from Incheon Intl Airport to London

Cheap return flights

These are some of the best return flight deals from Incheon Intl Airport to London that have been recently found on momondo from popular airlines, departing in the coming months.
10:45 - 22:25ICN-LHR
20h 40m1 stop
06:30 - 08:40LHR-ICN
18h 10m1 stop
£318Turkish Airlines
Find Deal
ven., 28 mars - dim., 30 mars
09:25 - 18:05ICN-LHR
16h 40m1 stop
21:00 - 22:10LHR-ICN
17h 10m1 stop
£375China Southern
Find Deal
mer., 4 juin - lun., 9 juin
09:25 - 18:05ICN-LHR
16h 40m1 stop
21:00 - 22:10LHR-ICN
17h 10m1 stop
£377China Southern
Find Deal
mar., 1 avr. - lun., 21 avr.
12:55 - 18:40ICN-LHR
37h 45m1 stop
21:20 - 11:55LHR-ICN
30h 35m1 stop
£378China Eastern
Find Deal
mar., 1 avr. - mar., 8 avr.
12:55 - 18:40ICN-LHR
37h 45m1 stop
21:20 - 17:25LHR-ICN
36h 05m1 stop
£379China Eastern
Find Deal
mar., 1 avr. - lun., 21 avr.
13:05 - 20:30ICN-LHR
15h 25m1 stop
22:00 - 12:55LHR-ICN
30h 55m1 stop
£413Air China
Find Deal
mar., 27 mai - jeu., 5 juin
17:50 - 20:30ICN-LHR
34h 40m1 stop
22:00 - 12:55LHR-ICN
30h 55m1 stop
£422Air China
Find Deal
mer., 21 mai - jeu., 29 mai
16:15 - 18:15ICN-LHR
35h 00m1 stop
21:00 - 11:55LHR-ICN
29h 55m1 stop
ven., 21 mars - dim., 23 mars
16:15 - 18:15ICN-LHR
35h 00m1 stop
21:00 - 11:55LHR-ICN
29h 55m1 stop
jeu., 20 mars - dim., 23 mars
08:15 - 22:00ICN-LHR
21h 45m1 stop
10:15 - 09:30LHR-ICN
15h 15m1 stop
£457LOT
Find Deal
mer., 9 avr. - lun., 21 juil.

Turkish Airlines flights from Incheon Intl Airport to London Heathrow Airport

Our best Turkish Airlines deals on Incheon Intl Airport to London Heathrow Airport flight tickets
Turkish Airlines
28 Mar
ICN10:45Incheon Intl
20h 40m
1 stop
LHR22:25London Heathrow
30 Mar
LHR06:30London Heathrow
18h 10m
1 stop
ICN08:40Incheon Intl
Turkish Airlines
13 Mar
ICN00:10Incheon Intl
29h 55m
1 stop
LHR21:05London Heathrow
18 Mar
LHR06:35London Heathrow
17h 30m
1 stop
ICN09:05Incheon Intl
Turkish Airlines
13 Mar
ICN00:10Incheon Intl
23h 45m
1 stop
LHR14:55London Heathrow
22 Mar
LHR22:35London Heathrow
25h 30m
1 stop
ICN09:05Incheon Intl

China Southern flights from Incheon Intl Airport to London Heathrow Airport

Our best China Southern deals on Incheon Intl Airport to London Heathrow Airport flight tickets
China Southern
4 Jun
ICN09:25Incheon Intl
16h 40m
1 stop
LHR18:05London Heathrow
9 Jun
LHR21:00London Heathrow
17h 10m
1 stop
ICN22:10Incheon Intl
China Southern
1 Apr
ICN09:25Incheon Intl
16h 40m
1 stop
LHR18:05London Heathrow
21 Apr
LHR21:00London Heathrow
17h 10m
1 stop
ICN22:10Incheon Intl
China Southern
13 May
ICN09:25Incheon Intl
16h 40m
1 stop
LHR18:05London Heathrow
21 May
LHR22:10London Heathrow
33h 15m
1 stop
ICN15:25Incheon Intl

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?

In general, November is the cheapest month to fly from Incheon Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £510. The month of May is another great option to travel to London Heathrow Airport, with average flight prices from Incheon Intl Airport averaging around £533.

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

On average, the least expensive day to fly to London Heathrow Airport from Incheon Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £750. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £870.

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 £525. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £838 on average. Flights to London Heathrow Airport from Incheon Intl Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 16 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £649 when searching 16 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 £583 on momondo.

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

There are 4 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 March 2025, prices for Incheon Intl Airport to London Heathrow Airport flights are approximately 42% 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 return 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

£152

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 £152. The best return flight deal from Incheon Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is £318.
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.

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

    The straight-line distance from Incheon Intl to London Heathrow is 5503.3 mi. A reasonable flight in good conditions will take 15h 25m.

  • 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 refresh 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 travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
China SouthernPriceFrom £357Free CancellationRating
7.5
90 reviews
Search China Southern flights
China EasternPriceFrom £368Free CancellationRating
7.0
127 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom £614Free CancellationRating
8.2
440 reviews
Search Asiana Airlines flights
Korean AirPriceFrom £820Free CancellationRating
8.4
1,043 reviews
Search Korean Air flights
  • Korean Air Flights From Incheon Intl Airport to London Heathrow Airport

    Korean Air flight deals from Incheon Intl Airport to London Heathrow Airport start from £1,058 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually £1,240 round-trip - but some users have found much cheaper deals with momondo.

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

    £792 is the best Asiana Airlines flight deal from Incheon Intl Airport to London Heathrow Airport found on momondo over the last 72 hours. The average Asiana Airlines ticket price found was closer to £1,063, however, with flight time and availability significantly affecting the price. Asiana Airlines (8.2/10 from 440 user reviews) flies into London Heathrow Airport from Incheon Intl Airport 5 times in an average week so prices can vary.


Travelling to a place near London?

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Why use momondo?

Why should I use momondo to find a flight deal from Seoul to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seoul to London. momondo saves you time and could save you money on your trip.

Can I find flights from Seoul to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seoul to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Seoul to London?

Once you have performed a search for Seoul to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seoul to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seoul to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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