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Cheap flights from Incheon Intl Airport to London from £182

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 21/9. 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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Cheap return flights

Scandinavian Airlines Logo
23:45 - 14:35ICN-LHR
23h 50m2 stops
Scandinavian Airlines Logo
13:55 - 19:00LHR-ICN
20h 05m2 stops
£407Scandinavian Airlines
Find Deal
Fri, 28 Nov - Sun, 30 Nov
Scandinavian Airlines Logo
23:45 - 16:25ICN-LHR
25h 40m2 stops
Scandinavian Airlines Logo
10:20 - 19:00LHR-ICN
23h 40m1 stop
£408Scandinavian Airlines
Find Deal
Fri, 28 Nov - Sun, 30 Nov
Scandinavian Airlines Logo
23:45 - 16:00ICN-LHR
25h 15m1 stop
Scandinavian Airlines Logo
13:55 - 19:00LHR-ICN
20h 05m2 stops
£408Scandinavian Airlines
Find Deal
Fri, 28 Nov - Sun, 30 Nov
Scandinavian Airlines Logo
23:45 - 16:00ICN-LHR
25h 15m1 stop
Scandinavian Airlines Logo
13:55 - 19:00LHR-ICN
20h 05m2 stops
£409Scandinavian Airlines
Find Deal
Fri, 28 Nov - Sun, 30 Nov
Scandinavian Airlines Logo
23:45 - 16:25ICN-LHR
25h 40m2 stops
Scandinavian Airlines Logo
10:20 - 19:00LHR-ICN
23h 40m1 stop
£411Scandinavian Airlines
Find Deal
Fri, 23 Jan - Sun, 25 Jan
Scandinavian Airlines Logo
23:45 - 14:35ICN-LHR
23h 50m2 stops
Scandinavian Airlines Logo
13:55 - 19:00LHR-ICN
20h 05m2 stops
£411Scandinavian Airlines
Find Deal
Fri, 28 Nov - Sun, 30 Nov
Scandinavian Airlines Logo
23:45 - 16:25ICN-LHR
24h 40m2 stops
Scandinavian Airlines Logo
10:20 - 18:15LHR-ICN
23h 55m1 stop
£423Scandinavian Airlines
Find Deal
Fri, 19 Sep - Sun, 21 Sep
Scandinavian Airlines Logo
23:45 - 16:00ICN-LHR
24h 15m1 stop
Scandinavian Airlines Logo
13:55 - 18:15LHR-ICN
20h 20m2 stops
£426Scandinavian Airlines
Find Deal
Fri, 19 Sep - Sun, 21 Sep
China Southern Logo
15:15 - 19:00ICN-LHR
35h 45m1 stop
China Southern Logo
22:10 - 13:55LHR-ICN
31h 45m1 stop
£433China Southern
Find Deal
Wed, 13 Aug - Wed, 3 Sep
China Southern Logo
09:25 - 18:05ICN-LHR
16h 40m1 stop
China Southern Logo
22:10 - 15:25LHR-ICN
33h 15m1 stop
£434China Southern
Find Deal
Tue, 26 Aug - Thu, 4 Sep

Scandinavian Airlines flights from Incheon Intl Airport to London Heathrow Airport

Our best Scandinavian Airlines deals on Incheon Intl Airport to London Heathrow Airport flight tickets
Scandinavian Airlines
28 Nov
ICN23:45Incheon Intl
23h 50m
2 stops
LHR14:35London Heathrow
30 Nov
LHR13:55London Heathrow
20h 05m
2 stops
ICN19:00Incheon Intl
£407
Find similar
Scandinavian Airlines
28 Nov
ICN23:45Incheon Intl
25h 40m
2 stops
LHR16:25London Heathrow
30 Nov
LHR10:20London Heathrow
23h 40m
1 stop
ICN19:00Incheon Intl
£408
Find similar
Scandinavian Airlines
28 Nov
ICN23:45Incheon Intl
25h 15m
1 stop
LHR16:00London Heathrow
30 Nov
LHR13:55London Heathrow
20h 05m
2 stops
ICN19:00Incheon Intl
£408
Find similar

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
13 Aug
ICN15:15Incheon Intl
35h 45m
1 stop
LHR19:00London Heathrow
3 Sept
LHR22:10London Heathrow
31h 45m
1 stop
ICN13:55Incheon Intl
£433
Find similar
China Southern
26 Aug
ICN09:25Incheon Intl
16h 40m
1 stop
LHR18:05London Heathrow
4 Sept
LHR22:10London Heathrow
33h 15m
1 stop
ICN15:25Incheon Intl
£434
Find similar
China Southern
26 Aug
ICN09:25Incheon Intl
16h 40m
1 stop
LHR18:05London Heathrow
13 Sept
LHR21:00London Heathrow
17h 10m
1 stop
ICN22:10Incheon Intl
£435
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 31 July 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 28/11

23:45-14:35

2 stops23h 50m

London Heathrow

Sun 30/11

13:55-19:00

2 stops20h 05m

£407

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 28/11

23:45-16:25

2 stops25h 40m

London Heathrow

Sun 30/11

10:20-19:00

1 stop23h 40m

£408

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 28/11

23:45-16:00

1 stop25h 15m

London Heathrow

Sun 30/11

13:55-19:00

2 stops20h 05m

£408

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 28/11

23:45-16:00

1 stop25h 15m

London Heathrow

Sun 30/11

13:55-19:00

2 stops20h 05m

£409

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 23/1

23:45-16:25

2 stops25h 40m

London Heathrow

Sun 25/1

10:20-19:00

1 stop23h 40m

£411

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 28/11

23:45-14:35

2 stops23h 50m

London Heathrow

Sun 30/11

13:55-19:00

2 stops20h 05m

£411

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 19/9

23:45-16:25

2 stops24h 40m

London Heathrow

Sun 21/9

10:20-18:15

1 stop23h 55m

£423

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 19/9

23:45-16:00

1 stop24h 15m

London Heathrow

Sun 21/9

13:55-18:15

2 stops20h 20m

£426

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 13/8

15:15-19:00

1 stop35h 45m

London Heathrow

Wed 3/9

22:10-13:55

1 stop31h 45m

£433

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Tue 26/8

09:25-18:05

1 stop16h 40m

London Heathrow

Thu 4/9

22:10-15:25

1 stop33h 15m

£434

Flights are sorted by cheapest return 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?

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 £499. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Incheon Intl Airport averaging around £536.

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 Monday. momondo users have found tickets for Monday departures for as low as £682. 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 £931.

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 £509. 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 at midday when prices are £832 on average. Flights to London Heathrow Airport from Incheon Intl Airport at midday 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 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £641 when searching weeks before you fly. 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 £570 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 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 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

£182

Fastest flight time

16h 40m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Incheon Intl Airport in the past 72 hours is £182. The best return flight deal from Incheon Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is £407.
The fastest flight from Incheon Intl Airport to London Heathrow Airport takes 16h 40m
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?

    The straight-line distance from Incheon Intl to London Heathrow is 5503.3 mi. A reasonable flight in good conditions will take 16h 40m.

  • 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 EasternPriceFrom £357Free CancellationRating
7.2
158 reviews
Search China Eastern flights
FinnairPriceFrom £565Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
Asiana AirlinesPriceFrom £652Free CancellationRating
8.2
467 reviews
Search Asiana Airlines flights
Korean AirPriceFrom £677Free CancellationRating
8.4
1,121 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 £901 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually £1,136 round-trip - but some users have found much cheaper deals with momondo.

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

    £869 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 £993, however, with flight time and availability significantly affecting the price. Asiana Airlines (8.2/10 from 467 user reviews) flies into London Heathrow Airport from Incheon Intl Airport 7 times in an average week so prices can vary.

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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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