Cheap flights from Incheon Intl Airport to London from $183

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 3/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Incheon Intl Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Eastern Logo
4:20 pm - 6:30 am
ICN
-
LGW
23h 10m
1 stop
China Eastern Logo
10:30 am - 3:05 pm
LGW
-
ICN
19h 35m
1 stop
$471China Eastern
lun., ene. 26 - mié., ene. 28
China Eastern Logo
6:25 pm - 6:30 am
ICN
-
LGW
21h 05m
1 stop
China Eastern Logo
10:30 am - 5:25 pm
LGW
-
ICN
21h 55m
1 stop
$480China Eastern
lun., ene. 26 - mié., ene. 28
China Eastern Logo
8:55 am - 6:30 am
ICN
-
LGW
30h 35m
1 stop
China Eastern Logo
10:30 am - 3:20 pm
LGW
-
ICN
19h 50m
1 stop
$510China Eastern
dom., mar. 1 - sáb., mar. 7
China Eastern Logo
6:25 pm - 5:30 pm
ICN
-
LHR
32h 05m
1 stop
China Eastern Logo
9:00 pm - 8:45 pm
LHR
-
ICN
14h 45m
1 stop
$517China Eastern
lun., ene. 26 - mié., ene. 28
Scandinavian Airlines Logo
11:45 pm - 6:30 pm
ICN
-
LHR
27h 45m
2 stops
Scandinavian Airlines Logo
1:55 pm - 7:00 pm
LHR
-
ICN
20h 05m
2 stops
$521Scandinavian Airlines
vie., feb. 6 - dom., feb. 8
China Southern Logo
9:25 am - 5:55 pm
ICN
-
LHR
17h 30m
1 stop
China Southern Logo
10:00 pm - 3:15 pm
LHR
-
ICN
32h 15m
1 stop
$524China Southern
jue., mar. 12 - lun., mar. 16
Scandinavian Airlines Logo
11:45 pm - 5:40 pm
ICN
-
LHR
26h 55m
1 stop
Scandinavian Airlines Logo
5:00 pm - 7:00 pm
LHR
-
ICN
17h 00m
1 stop
$567Scandinavian Airlines
mié., feb. 25 - jue., mar. 5
Air China Logo
2:55 pm - 8:15 pm
ICN
-
LHR
37h 20m
1 stop
Air China Logo
10:00 pm - 12:55 pm
LHR
-
ICN
30h 55m
1 stop
$582Air China
mié., may. 20 - sáb., jun. 13
KLM Logo
11:05 pm - 7:15 am
ICN
-
LCY
17h 10m
1 stop
KLM Logo
5:05 pm - 4:55 pm
LCY
-
ICN
14h 50m
1 stop
$626KLM
jue., ene. 22 - lun., ene. 26
KLM Logo
10:25 pm - 5:20 pm
ICN
-
LCY
26h 55m
1 stop
KLM Logo
8:25 am - 4:25 pm
LCY
-
ICN
24h 00m
1 stop
$715KLM
mar., mar. 31 - mar., abr. 14

Scandinavian Airlines flights from Incheon Intl Airport to London

Our best Scandinavian Airlines deals on Incheon Intl Airport to London flight tickets
Scandinavian Airlines
Feb 25
ICN11:45 pmIncheon Intl
26h 55m
1 stop
LHR5:40 pmLondon Heathrow
Mar 5
LHR5:00 pmLondon Heathrow
17h 00m
1 stop
ICN7:00 pmIncheon Intl
$567
Scandinavian Airlines
Feb 25
ICN11:45 pmIncheon Intl
25h 15m
1 stop
LHR4:00 pmLondon Heathrow
Mar 4
LHR7:50 pmLondon Heathrow
38h 10m
2 stops
ICN7:00 pmIncheon Intl
$571
Scandinavian Airlines
Feb 25
ICN11:45 pmIncheon Intl
27h 45m
1 stop
LHR6:30 pmLondon Heathrow
Mar 4
LHR7:50 pmLondon Heathrow
38h 10m
2 stops
ICN7:00 pmIncheon Intl
$572

Oman Air flights from Incheon Intl Airport to London

Our best Oman Air deals on Incheon Intl Airport to London flight tickets
Oman Air
Jan 16
ICN11:05 amIncheon Intl
27h 50m
2 stops
LHR5:55 amLondon Heathrow
Jan 24
LHR8:05 pmLondon Heathrow
25h 25m
2 stops
ICN6:30 amIncheon Intl
$1,168
Oman Air
Jan 16
ICN11:05 amIncheon Intl
27h 50m
2 stops
LHR5:55 amLondon Heathrow
Jan 24
LHR8:05 pmLondon Heathrow
25h 25m
2 stops
ICN6:30 amIncheon Intl
$1,185

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

lun. 1/26

4:20 pm-6:30 am

1 stop23h 10m

London Gatwick

mié. 1/28

10:30 am-3:05 pm

1 stop19h 35m

$471

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

lun. 1/26

6:25 pm-6:30 am

1 stop21h 05m

London Gatwick

mié. 1/28

10:30 am-5:25 pm

1 stop21h 55m

$480

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

dom. 3/1

8:55 am-6:30 am

1 stop30h 35m

London Gatwick

sáb. 3/7

10:30 am-3:20 pm

1 stop19h 50m

$510

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

lun. 1/26

6:25 pm-5:30 pm

1 stop32h 05m

London Heathrow

mié. 1/28

9:00 pm-8:45 pm

1 stop14h 45m

$517

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

vie. 2/6

11:45 pm-6:30 pm

2 stops27h 45m

London Heathrow

dom. 2/8

1:55 pm-7:00 pm

2 stops20h 05m

$521

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

jue. 3/12

9:25 am-5:55 pm

1 stop17h 30m

London Heathrow

lun. 3/16

10:00 pm-3:15 pm

1 stop32h 15m

$524

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mié. 2/25

11:45 pm-5:40 pm

1 stop26h 55m

London Heathrow

jue. 3/5

5:00 pm-7:00 pm

1 stop17h 00m

$567

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

mié. 5/20

2:55 pm-8:15 pm

1 stop37h 20m

London Heathrow

sáb. 6/13

10:00 pm-12:55 pm

1 stop30h 55m

$582

IncheonLondon

ICN - LCY

ICNLCY

Incheon Intl

jue. 1/22

11:05 pm-7:15 am

1 stop17h 10m

London City

lun. 1/26

5:05 pm-4:55 pm

1 stop14h 50m

$626

IncheonLondon

ICN - LCY

ICNLCY

Incheon Intl

mar. 3/31

10:25 pm-5:20 pm

1 stop26h 55m

London City

mar. 4/14

8:25 am-4:25 pm

1 stop24h 00m

$715

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

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

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 cheapest month to fly to London?

The cheapest month to fly to London from Incheon Intl Airport is in May. Flight prices, which tend to average around $559, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Incheon Intl Airport averaging around $669.

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

The cheapest day to depart from Incheon Intl Airport to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $895. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,105. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest Incheon Intl to London flight route?

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

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

You are more likely to see cheaper flights to London from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $894 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Incheon Intl Airport for as low as $752 on momondo.

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

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

Can stopping save me money on Incheon Intl Airport to London flights?

You could potentially save up to 53% on your flight if you consider stops on a Incheon Intl Airport to London flight.

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

As of January 2026, prices for Incheon Intl Airport to London flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Incheon Intl Airport to London

Are you open to changing your travel dates? Check out the ideal times to fly from Incheon Intl Airport to London 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 (ICN to LON) flight deals and tips

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

Best Price Found

$626

Fastest flight time

14h 30m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Incheon Intl Airport in the past 72 hours is $626. The best round-trip flight deal from Incheon Intl Airport to London found on momondo in the last 72 hours is $672.
The fastest flight from Incheon Intl Airport to London takes 14h 30m
Direct flights go from Incheon Intl Airport to London every day.
There are 6 airports in London. From Incheon Intl Airport there are direct flights to London Heathrow (LHR).
  • How far is Incheon Intl to London by plane?

    A flight from Incheon Intl to London will travel around 5492.6 mi. 14h 30m is a normal flight duration for this route.

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

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

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

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

    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.

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

    The necessary travel and health documents for your London 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?

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

Best airlines flying from Incheon Intl Airport to London

Compare and see reviews for airlines that fly from Incheon Intl Airport to London with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $552Free CancellationRating
7.2
136 reviews
Search Air China flights
Asiana AirlinesPriceFrom $629Free CancellationRating
8.2
500 reviews
Search Asiana Airlines flights
LufthansaPriceFrom $754Free CancellationRating
6.8
7,709 reviews
Search Lufthansa flights
Korean AirPriceFrom $847Free CancellationRating
8.4
1,187 reviews
Search Korean Air flights
  • Korean Air Flights From Incheon Intl Airport to London

    Korean Air flight deals from Incheon Intl Airport to London start from $847 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually $1,103 round-trip - but some users have found much cheaper deals with momondo.

  • Asiana Airlines Flights From Incheon Intl Airport to London

    $629 is the best Asiana Airlines flight deal from Incheon Intl Airport to London found on momondo over the last 72 hours. The average Asiana Airlines ticket price found was closer to $850, however, with flight time and availability significantly affecting the price. Asiana Airlines (8.2/10 from 500 user reviews) flies into London from Incheon Intl Airport 5 times in an average week so prices can vary.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Luton
Hounslow
Milton Keynes
Dover
Slough
Guildford
Hayes
Crawley
Dartford
Brentwood
Watford
Wembley
Cobham
Folkestone
Romford
Richmond
Uxbridge
Chelmsford
Stansted

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to London. Millions of users trust and use momondo every year so you are in good hands.

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

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.

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

momondo helps you find the best flight between Seoul and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Seoul and alert you when they change.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mié. 2/11
mié. 2/18

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London