Cheap flights from London Heathrow Airport to Seoul from $374
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 Heathrow Airport to Seoul departing on 9/3. 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 Heathrow Airport to Seoul
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Shenzhen Airlines flights from London Heathrow Airport to Incheon Intl Airport
Our best Shenzhen Airlines deals on London Heathrow Airport to Incheon Intl Airport flight tickets
Scandinavian Airlines flights from London Heathrow Airport to Incheon Intl Airport
Our best Scandinavian Airlines deals on London Heathrow Airport to Incheon Intl Airport flight tickets
See travel insights to Seoul from
How to get the cheapest flight ticket from London Heathrow Airport 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 cheapest month to fly to Incheon Intl Airport?
The cheapest month to fly to Incheon Intl Airport from London Heathrow Airport is in November. Flight prices, which tend to average around $643, 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 Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around $694.
What is the cheapest day to depart on your flight to Incheon Intl Airport?
The cheapest day to depart from London Heathrow Airport to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $1,129. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,271. 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 Heathrow Airport 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 evening when prices are $1,176 on average. Flights to Incheon Intl Airport from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest London Heathrow to Incheon Intl flight route?
Fly from London Heathrow to Incheon Intl for the best London Heathrow - 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 Heathrow Airport when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $918 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 Heathrow Airport for as low as $834 on momondo.
What cabin class options are available on London Heathrow to Incheon Intl flights?
There are 4 cabin classes available to choose from on London Heathrow 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 Heathrow to Incheon Intl?
China Southern, Hainan Airlines, and Lufthansa are the most popular carriers operating from London Heathrow to Incheon Intl
What airlines fly to Incheon Intl Airport?
Korean Air, Air China and Lufthansa are the top three most popular airlines that fly to Incheon Intl Airport from London Heathrow Airport according to our data. Korean Air is the first choice among our users, with 31% 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 Heathrow Airport to Incheon Intl Airport on average per day?
As of June 2025, 3 flights take off from London Heathrow Airport and land in Incheon Intl Airport each day. The most common flight departure time for this route is 7:00PM, with 100% of daily flights taking off in the evening.
How many flights depart from London Heathrow Airport to Incheon Intl Airport on average per week?
As of June 2025, 21 flights take off from London Heathrow Airport and land in Incheon Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
When to book flights from London Heathrow Airport to Incheon Intl Airport
Cheap London Heathrow Airport to Incheon Intl Airport (LHR to ICN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Incheon Intl Airport
How far is London Heathrow to Incheon Intl by plane?
London Heathrow and Incheon Intl are 5503.3 mi apart from one another. Typically, this will take 14h 20m by plane in normal conditions.
When did momondo last update prices for flights from London Heathrow Airport to Incheon Intl Airport?
Prices for flights from London Heathrow Airport to Incheon Intl Airport are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Incheon Intl Airport?
The number of operators available for flights from London Heathrow Airport to Incheon Intl Airport is 4 as of June 2025.
How old do you have to be to fly from London Heathrow Airport 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 Heathrow Airport to Incheon Intl Airport.
What documentation or ID do you need to fly to Incheon Intl Airport?
The required travel and health documents for your Incheon Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Incheon Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to Incheon Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Incheon Intl Airport is Boeing 777-300ER (35.44% of total bookings). The next most popular plane models are Airbus A350-900 (27.24%), Airbus A350-1000 (10.24%), and Boeing 787-9 Dreamliner (10.16%).
What is the most popular airline from London Heathrow Airport to Incheon Intl Airport?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Incheon Intl Airport is Korean Air, representing 31% of all bookings. The subsequent popular airlines are Air China at 23%, Lufthansa at 23%, and Asiana Airlines at 23%.
Best airlines flying from London Heathrow Airport to Incheon Intl Airport
Compare and see reviews for airlines that fly from London Heathrow Airport to Incheon Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $528 | Free Cancellation | Rating 7.2 92 reviews | |||
| PriceFrom $620 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $990 | Free Cancellation | Rating 8.2 440 reviews | |||
| PriceFrom $1,003 | Free Cancellation | Rating 8.4 1,088 reviews |
Korean Air Flights From London Heathrow Airport to Incheon Intl Airport
Across 7 Korean Air flights from London Heathrow Airport to Incheon Intl Airport this week, the average price was $1,155, with the best Korean Air deals starting from $1,003 round-trip. 1,088 users have rated Korean Air on momondo, with an average score of 8.4/10.
Asiana Airlines Flights From London Heathrow Airport to Incheon Intl Airport
Asiana Airlines is also a popular choice for this route. Asiana Airlines flight deals for London Heathrow Airport to Incheon Intl Airport start from as low as $990 round-trip, depending on your selected dates, with average Asiana Airlines deals seen on momondo around $1,292. Asiana Airlines operates 7 flights to Incheon Intl Airport from London Heathrow Airport in an average week. Users have rated it 8.2/10 across 440 reviews.
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?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Seoul. momondo saves you time and could save you money on your trip.
Can I find flights from London to Seoul with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Seoul flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Seoul?
Once you have performed a search for London to Seoul 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 London to Seoul right now. Can momondo alert me if prices change?
Yes. momondo can track prices for London to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.