Cheap flights from Incheon Intl Airport to London from $267
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 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Lufthansa flights from Incheon Intl Airport to London
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Finnair flights from Incheon Intl Airport to London
Our best Finnair deals on Incheon Intl Airport to London flight tickets
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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 typical price of a round-trip flight between Incheon Intl Airport and London?
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 $573, 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 $618.
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 Monday. Travelers who choose to depart for London on a Monday will often find tickets for as low as $972. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,121. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.
What is the cheapest time of day to depart on your flight to London?
Flying to London from Incheon Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $541 when looking at flights departing in the afternoon. Flights to London are more costly in the morning, with an average ticket price of $1,050. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
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 $850 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 $767 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.
What is the cheapest airline that flies from Incheon Intl to London?
Lufthansa, Etihad Airways, and Vietnam Airlines are the most popular carriers operating from Incheon Intl to London
What airlines fly to London?
Asiana Airlines, Korean Air and Air China are the top three most popular airlines that fly to London from Incheon Intl Airport according to our data. Asiana Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to London. Keep in mind that there are 5 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
How many flights depart from Incheon Intl Airport to London on average per day?
As of July 2025, 3 flights take off from Incheon Intl Airport and land in London each day. The most common flight departure time for this route is 10:00AM, with 66% of daily flights taking off at noon.
How many flights depart from Incheon Intl Airport to London on average per week?
As of July 2025, 21 flights take off from Incheon Intl Airport and land in London 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 Incheon Intl Airport to London
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
How far is Incheon Intl to London by plane?
A flight from Incheon Intl to London will travel around 5492.6 mi. 14h 40m 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?
There are 5 operators available for flights from Incheon Intl Airport to London as of July 2025.
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?
momondo data reveals that the most frequently booked plane model on the route from Incheon Intl Airport to London is Boeing 777-300ER, representing 46.70% of all bookings. The subsequent popular models are Airbus A350-900 at 45.10%, Boeing 747-8 at 8.06%, and Embraer 190 at 0.14%.
What is the most popular airline from Incheon Intl Airport to London?
Based on momondo bookings for flights between Incheon Intl Airport and London, the leading airline is Korean Air, making up 24% of the total bookings. Other popular airlines include Asiana Airlines with 23%, China Eastern with 22%, and Air China with 18%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $550 | Free Cancellation | Rating 7.2 89 reviews | |||
| PriceFrom $672 | Free Cancellation | Rating 7.4 1,222 reviews | |||
| PriceFrom $682 | Free Cancellation | Rating 6.8 7,193 reviews | |||
| PriceFrom $822 | Free Cancellation | Rating 8.2 454 reviews | |||
| PriceFrom $847 | Free Cancellation | Rating 8.4 1,104 reviews |
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 $1,216 round-trip - but some users have found much cheaper deals with momondo.
Asiana Airlines Flights From Incheon Intl Airport to London
$822 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 $975, however, with flight time and availability significantly affecting the price. Asiana Airlines (8.2/10 from 454 user reviews) flies into London from Incheon Intl Airport 7 times in an average week so prices can vary.
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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.