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Fly from
Route
Depart
Return
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Mon 12/1
09:30-10:50
1 stop16h 20m
Incheon Intl
Mon 19/1
13:05-20:50
1 stop16h 45m
LondonIncheon
LGW - ICN
LGWICN
London Gatwick
Tue 18/11
20:20-21:45
1 stop16h 25m
Incheon Intl
Fri 28/11
22:45-17:20
1 stop27h 35m
LondonIncheon
LGW - ICN
LGWICN
London Gatwick
Tue 25/11
20:20-21:45
1 stop16h 25m
Incheon Intl
Thu 4/12
10:55-07:00
1 stop29h 05m
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Tue 18/11
17:40-16:35
1 stop13h 55m
Incheon Intl
Fri 28/11
14:55-19:40
1 stop37h 45m
LondonIncheon
LHR - ICN
LHRICN
London Heathrow
Fri 14/11
20:25-21:45
1 stop16h 20m
Incheon Intl
Fri 28/11
14:55-19:40
1 stop37h 45m
LondonIncheon
LGW - ICN
LGWICN
London Gatwick
Fri 14/11
17:00-15:20
1 stop37h 20m
Incheon Intl
Sat 29/11
20:50-14:00
2 stops26h 10m
LondonIncheon
LGW - ICN
LGWICN
London Gatwick
Wed 19/11
10:30-15:20
1 stop19h 50m
Incheon Intl
Thu 18/12
20:50-14:00
2 stops26h 10m
LondonIncheon
LCY - ICN
LCYICN
London City
Tue 11/11
09:50-10:50
1 stop16h 00m
Incheon Intl
Thu 27/11
13:05-16:40
1 stop36h 35m
EdinburghIncheon
EDI - ICN
EDIICN
Edinburgh Turnhouse
Wed 19/11
11:00-09:05
1 stop37h 05m
Incheon Intl
Tue 16/12
00:10-10:00
1 stop18h 50m
EdinburghIncheon
EDI - ICN
EDIICN
Edinburgh Turnhouse
Wed 19/11
11:00-18:20
1 stop22h 20m
Incheon Intl
Tue 16/12
00:10-10:00
1 stop18h 50m
| CHEAPEST MONTH TO FLY TO INCHEON INTL AIRPORT FROM LONDON HEATHROW AIRPORT | November | 33% cheaper | Flying from London Heathrow Airport to Incheon Intl Airport costs on average just £470 in November |
| MOST EXPENSIVE MONTH TO FLY TO INCHEON INTL AIRPORT FROM LONDON HEATHROW AIRPORT | July | 30% more expensive | It costs about £904 for flights to Incheon Intl Airport from London Heathrow Airport in July |
| MOST POPULAR MONTH TO FLY TO INCHEON INTL AIRPORT FROM LONDON HEATHROW AIRPORT | July | 227% more users visited | More momondo users searched in flights to Incheon Intl Airport from London Heathrow Airport in July than any other month |
Best One-Way Price | £97 |
|---|---|
Best Round-Trip Price | £345 |
Fastest flight time | 15h 00m |
Popular in | July |
In general, when booking your flight to Incheon Intl Airport, November is the cheapest month on average.
From most locations, to find the best deals on airfare, our data shows that users booking 12 days before flying found the cheapest flight to Incheon Intl Airport.
On average, the cheapest flights to Incheon Intl Airport are found when departing on a Tuesday. Try to avoid departing on a Saturday, as this is usually the most expensive day.
On average you can find the best deals on plane tickets to Incheon Intl Airport when looking for flights with Midday departure times.
Seoul Gimpo Intl Airport, Cheongju Airport or WonJu Airport can be an alternative airport used for travel to Incheon.
The cheapest airport near Incheon is typically Seoul Gimpo Intl Airport, with an average price of £95/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.
The best deal found on momondo in the last two weeks was a flight to Incheon from Jeju City for £21. This is 78% cheaper than most flight deals to Incheon. To find the cheapest price to Incheon from your area, use momondo’s Airport-to-Airport Pricing Tool.
Of the 17 airlines that fly to Incheon Intl Airport, Air China, Asiana Airlines and Lufthansa happen to be the most favoured based on our user data. Air China is the most popular among the three airlines, with 28% of users choosing them for their travels to Incheon Intl Airport.
Prices for flights to Incheon Intl Airport are updated daily.
As of July 2025, there are 41 operators available to choose from for flights to Incheon Intl Airport.
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Incheon Intl Airport.
The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
It is quick and easy to find flights to Seoul on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.
Flights to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
Once all potential Seoul flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.
If you are not ready to book a flight to Seoul now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Seoul and let you know when they change.