Cheap flights from London to Seoul from $319
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Seoul departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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 London to Seoul
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
China Eastern flights from London to Incheon Intl Airport
Our best China Eastern deals on London to Incheon Intl Airport flight tickets
Air China flights from London to Incheon Intl Airport
Our best Air China deals on London to Incheon Intl Airport flight tickets
See travel insights to Seoul from
How to get the cheapest flight ticket from London to Incheon Intl 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 London and Incheon Intl Airport?
What is the cheapest month to fly to Incheon Intl Airport?
The cheapest month to fly to Incheon Intl Airport from London is in November. Flight prices, which tend to average around $574, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of November, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around $629.
What is the cheapest day to depart on your flight to Incheon Intl Airport?
The cheapest day to depart from London to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $1,120. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,243. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.
What is the cheapest time of day to depart on your flight to Incheon Intl Airport?
At noon is the cheapest time of day to fly from London to Incheon Intl Airport when you can find flight prices for as low as $498. Flying to Incheon Intl Airport at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,266 on average. Flights to Incheon Intl Airport from London in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest London to Incheon Intl flight route?
Fly from London Heathrow to Incheon Intl for the best London - Incheon Intl flight prices
How far in advance should I book a flight to Incheon Intl Airport?
You are more likely to see cheaper flights to Incheon Intl Airport from London when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $919 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from London for as low as $849 on momondo.
What cabin class options are available on London to Incheon Intl flights?
There are 3 cabin classes available to choose from on London to Incheon Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London to Incheon Intl?
China Eastern, China Southern, and Hainan Airlines are the most popular carriers operating from London to Incheon Intl
What airlines fly to Incheon Intl Airport?
Asiana Airlines, Korean Air and Air China are the top three most popular airlines that fly to Incheon Intl Airport from London according to our data. Asiana Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 4 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from London to Incheon Intl Airport on average per day?
As of May 2025, there are 3 flights per day flying from London to Incheon Intl Airport. The most common time of day flights depart is 7:00PM, with 100% of flights taking off in the evening.
How many flights depart from London to Incheon Intl Airport on average per week?
21 flights are operational weekly from London to Incheon Intl Airport as of May 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.
When to book flights from London to Incheon Intl Airport
Cheap London to Incheon Intl Airport (LON to ICN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Incheon Intl Airport
How far is London to Incheon Intl by plane?
A flight from London to Incheon Intl will travel around 5492.6 mi. Flights usually cover this in 14h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London to Incheon Intl Airport?
Prices for flights from London to Incheon Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to Incheon Intl Airport?
As of May 2025, there are 4 operators available to choose from for flights from London to Incheon Intl Airport.
How old do you have to be to fly from London to Incheon Intl 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 London to Incheon Intl Airport.
What documentation or ID do you need to fly 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.
What is the most popular plane model from London to Incheon Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from London to Incheon Intl Airport is Boeing 777-300ER, representing 39.18% of all bookings. The subsequent popular models are Airbus A350-900 at 25.51%, Airbus A350-1000 at 11.41%, and Boeing 787-9 Dreamliner at 8.05%.
What is the most popular airline from London to Incheon Intl Airport?
Based on momondo bookings for flights between London and Incheon Intl Airport, the leading airline is Air China, making up 22% of the total bookings. Other popular airlines include Lufthansa with 18%, China Eastern with 15%, and Korean Air with 13%.
Best airlines flying from London to Incheon Intl Airport
Compare and see reviews for airlines that fly from London to Incheon Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $507 | Free Cancellation | Rating 7.2 88 reviews | |||
| PriceFrom $726 | Free Cancellation | Rating 6.7 7,045 reviews | |||
| PriceFrom $990 | Free Cancellation | Rating 8.2 442 reviews | |||
| PriceFrom $1,003 | Free Cancellation | Rating 8.4 1,068 reviews |
Korean Air Flights From London to Incheon Intl Airport
Korean Air flies from London to Incheon Intl Airport around 7 times per week, with 1,069 momondo users rating the airline 8.4/10. The cheapest Korean Air deal from London to Incheon Intl Airport in the last 72 hours was $1,003 (round-trip), much lower than the average airfare cost of $1,155 for Korean Air flights on this route.
Asiana Airlines Flights From London to Incheon Intl Airport
Asiana Airlines (8.2/10 from 442 reviews) operates around 7 flights from London to Incheon Intl Airport in any given week. The average Asiana Airlines airfare for this route is around $1,047, with deals from around $990 rare but found on momondo. Referenced prices are for round-trip London to Incheon Intl Airport flight searches in the last 72 hours.
Traveling to a place near Seoul?
Book flights to Seoul if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Seoul?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Seoul for you.
Can I find flights from London to Seoul with flexible booking policies on momondo?
Flights from London 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.
How can momondo help me find flights from London to Seoul?
momondo helps you find the best flight between London and Seoul 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 London to Seoul right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seoul from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.