Cheap flights from Incheon Intl Airport to London from £150
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 27/5. 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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SWISS flights from Incheon Intl Airport to London Heathrow Airport
Our best SWISS deals on Incheon Intl Airport to London Heathrow Airport flight tickets
Air China flights from Incheon Intl Airport to London Heathrow Airport
Our best Air China deals on Incheon Intl Airport to London Heathrow Airport flight tickets
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How to get the cheapest flight ticket from Incheon Intl Airport to London Heathrow 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 London Heathrow Airport?
In general, November is the cheapest month to fly from Incheon Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £492. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Incheon Intl Airport averaging around £519.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Incheon Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £724. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Tuesday is £830.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Incheon Intl Airport to London Heathrow Airport in the evening for as low as £507. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £799 on average. Flights to London Heathrow Airport from Incheon Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Incheon Intl to London Heathrow flight route?
Fly from Incheon Intl to London Heathrow for the best Incheon Intl - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Incheon Intl Airport when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £627 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Incheon Intl Airport for as low as £587 on momondo.
What cabin class options are available on Incheon Intl to London Heathrow flights?
There are 4 cabin classes available to choose from on Incheon Intl to London Heathrow 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 Heathrow?
China Southern, China Eastern, and Air China are the most popular carriers operating from Incheon Intl to London Heathrow
Which airlines fly to London Heathrow Airport?
Asiana Airlines, Korean Air and China Eastern are the top three most popular airlines that fly to London Heathrow Airport from Incheon Intl Airport according to our data. Asiana Airlines is the first choice among our users, with 44% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Incheon Intl Airport to London Heathrow Airport on average per day?
As of May 2025, there are 3 flights per day flying from Incheon Intl Airport to London Heathrow Airport. The most common time of day flights depart is 10:00, with 66% of flights taking off at midday.
How many flights depart from Incheon Intl Airport to London Heathrow Airport on average per week?
21 flights are operational weekly from Incheon Intl Airport to London Heathrow 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 Incheon Intl Airport to London Heathrow Airport
Cheap Incheon Intl Airport to London Heathrow Airport (ICN to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to London Heathrow Airport
How far is Incheon Intl to London Heathrow by plane?
The straight-line distance from Incheon Intl to London Heathrow is 5503.3 mi. A reasonable flight in good conditions will take 15h 25m.
When did momondo last update prices for flights from Incheon Intl Airport to London Heathrow Airport?
Prices for flights from Incheon Intl Airport to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Incheon Intl Airport to London Heathrow Airport?
The number of operators available for flights from Incheon Intl Airport to London Heathrow Airport is 3 as of May 2025.
How old do you have to be to fly from Incheon Intl Airport to London Heathrow 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 Incheon Intl Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow 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 London Heathrow 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 Incheon Intl Airport to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Incheon Intl Airport to London Heathrow Airport is Boeing 777-300ER, representing 59.03% of all bookings. The subsequent popular models are Airbus A350-900 at 38.54%, Boeing 747-8 at 2.28%, and Embraer 190 at 0.14%.
What is the most popular airline from Incheon Intl Airport to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Incheon Intl Airport to London Heathrow Airport is Asiana Airlines, representing 44% of all bookings. The subsequent popular airlines are Korean Air at 28% and China Eastern at 28%.
Best airlines flying from Incheon Intl Airport to London Heathrow Airport
Compare and see reviews for airlines that fly from Incheon Intl Airport to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £355 | Free Cancellation | Rating 7.1 148 reviews | |||
| PriceFrom £650 | Free Cancellation | Rating 8.2 442 reviews | |||
| PriceFrom £674 | Free Cancellation | Rating 8.4 1,069 reviews |
Korean Air Flights From Incheon Intl Airport to London Heathrow Airport
Korean Air flight deals from Incheon Intl Airport to London Heathrow Airport start from £901 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually £1,186 round-trip - but some users have found much cheaper deals with momondo.
Asiana Airlines Flights From Incheon Intl Airport to London Heathrow Airport
£869 is the best Asiana Airlines flight deal from Incheon Intl Airport to London Heathrow Airport found on momondo over the last 72 hours. The average Asiana Airlines ticket price found was closer to £1,093, however, with flight time and availability significantly affecting the price. Asiana Airlines (8.2/10 from 442 user reviews) flies into London Heathrow Airport from Incheon Intl Airport 7 times in an average week so prices can vary.
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momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seoul to London. momondo saves you time and could save you money on your trip.
Can I find flights from Seoul to London with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Seoul to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Seoul to London?
Once you have performed a search for Seoul to London 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 Seoul to London right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seoul to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.