Cheap flights from London to Seoul from £246
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 19/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise 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 return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
China Southern flights from London to Incheon Intl Airport
Our best China Southern 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 £402, are often lower during this time because this is during the off-season. If you aren’t able to travel to Incheon Intl Airport during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £465.
What is the cheapest day to depart on your flight to Incheon Intl Airport?
Our data shows that Wednesday is the least expensive day to fly to Incheon Intl Airport. Tickets to fly out on this day can be as low as £846. The most expensive day to fly to Incheon Intl Airport is Saturday, with ticket prices averaging around £956.
What is the cheapest time of day to depart on your flight to Incheon Intl Airport?
Our most recent data shows that the best time of day to fly to Incheon Intl Airport is at midday. Flights from London to Incheon Intl Airport during this time can be as low as £724. In contrast, the most expensive time of day to depart to Incheon Intl Airport is in the afternoon when prices are around £992.
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 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around £673 when searching weeks before you fly. 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 £611 on momondo.
What cabin class options are available on London to Incheon Intl flights?
There are 4 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 Southern, Hainan Airlines, and China Eastern are the most popular carriers operating from London to Incheon Intl
Which airlines fly to Incheon Intl Airport?
Asiana Airlines, Korean Air and Lufthansa 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 34% of people opting to fly with this airline when travelling to Incheon Intl Airport. Keep in mind that there are 15 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?
3 flights are operational daily from London to Incheon Intl Airport as of July 2025. The most popular departure time for this route is 19:00, with 100% of flights per day taking off in the evening.
How many flights depart from London to Incheon Intl Airport on average per week?
The number of flights available between London and Incheon Intl Airport is 21 per week as of July 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving 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?
The distance between London and Incheon Intl is about 5492.6 mi. 14h 20m is a normal flight duration for this route.
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 July 2025, there are 15 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?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 required for your trip to Incheon Intl 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 Incheon Intl 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 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 32.97% of all bookings. The subsequent popular models are Airbus A350-900 at 26.60%, Boeing 787-9 Dreamliner at 11.49%, and Airbus A350-1000 at 11.21%.
What is the most popular airline from London to Incheon Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London to Incheon Intl Airport is Air China (25% of total bookings). The next most popular airlines are Asiana Airlines (15%), Lufthansa (12%), and China Eastern (11%).
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 £314 | Free Cancellation | Rating 7.1 152 reviews | |||
| PriceFrom £332 | Free Cancellation | Rating 7.6 100 reviews | |||
| PriceFrom £358 | Free Cancellation | Rating 7.2 92 reviews | |||
| PriceFrom £415 | Free Cancellation | Rating 6.5 14 reviews | |||
| PriceFrom £443 | Free Cancellation | Rating 6.8 7,207 reviews | |||
| PriceFrom £515 | Free Cancellation | Rating 7.6 1,092 reviews | |||
| PriceFrom £521 | Free Cancellation | Rating 7.4 1,220 reviews | |||
| PriceFrom £534 | Free Cancellation | Rating 7.5 1,465 reviews | |||
| PriceFrom £534 | Free Cancellation | Rating 7.6 1,306 reviews | |||
| PriceFrom £535 | Free Cancellation | Rating 7.3 3,895 reviews |
Korean Air Flights From London to Incheon Intl Airport
Korean Air operates around 7 flights from London to Incheon Intl Airport every week. The average price of these flights found in the last 72 hours has been £1,120, but momondo users have found Korean Air deals from London to Incheon Intl Airport from as low as £972 round-trip. Korean Air has been scored 8.4/10 in 1,100 reviews.
Asiana Airlines Flights From London to Incheon Intl Airport
The best Asiana Airlines deal for London to Incheon Intl Airport flight tickets found on momondo in the last 72 hours was £938, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at £1,111 round-trip. Asiana Airlines operates 7 flights out of London into Incheon Intl Airport in an average week, so prices vary by time and availability. 452 Asiana Airlines reviews by users on momondo have scored the airline at 8.2/10.
Travelling 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?
It is quick and easy to find London to Seoul flights 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.
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?
If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from London and alert you when they change.