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Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Seoul
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How to get the cheapest flight ticket from London Heathrow Airport to Seoul
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 Seoul?
The cheapest month to fly to Seoul from London Heathrow Airport is in November. Flight prices, which tend to average around €552, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Seoul, with average flight prices from London Heathrow Airport averaging around €590.
What is the cheapest day to depart on your flight to Seoul?
On average, the least expensive day to fly to Seoul from London Heathrow Airport is on a Friday. momondo users have found tickets for Friday departures for as low as €1,067. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London Heathrow Airport to Seoul on a Wednesday will generally be more expensive and average around €1,338. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest London Heathrow to Seoul flight route?
Fly from London Heathrow to Incheon Intl for the best London Heathrow - Seoul flight prices
How far in advance should I book a flight to Seoul?
You are more likely to see cheaper flights to Seoul from London Heathrow Airport when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around €801 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from London Heathrow Airport for as low as €728 on momondo.
What cabin class options are available on London Heathrow to Seoul flights?
There are 1 cabin classes available to choose from on London Heathrow to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have London Heathrow Airport to Seoul flight prices changed over time?
As of June 2025, prices for London Heathrow Airport to Seoul flights are approximately 30% cheaper when compared to flights at the same time last year.
How many flights depart from London Heathrow Airport to Seoul on average per day?
3 flights are operational daily from London Heathrow Airport to Seoul as of June 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 Heathrow Airport to Seoul on average per week?
The number of flights available between London Heathrow Airport and Seoul is 21 per week as of June 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
When to book flights from London Heathrow Airport to Seoul
Cheap London Heathrow Airport to Seoul (LHR to SEL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Seoul
How far is London Heathrow to Seoul by plane?
A flight from London Heathrow to Seoul will travel around 8870.7 km. A reasonable flight in good conditions will take 14h 20m.
When did momondo last update prices for flights from London Heathrow Airport to Seoul?
Prices for flights from London Heathrow Airport to Seoul are refreshed on a daily basis.
How old do you have to be to fly from London Heathrow Airport to Seoul?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Seoul.
What documentation or ID do you need to fly to Seoul?
The required travel and health documents for your Seoul 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 licence and a passport valid for six months after your intended arrival at Seoul. 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 Seoul?
Based on momondo bookings for flights between London Heathrow Airport and Seoul, the leading plane model is Boeing 777-300ER, making up 35.44% of the total bookings. Other popular models include Airbus A350-900 with 27.24%, Airbus A350-1000 with 10.24%, and Boeing 787-9 Dreamliner with 10.16%.
Why use momondo?
Why should I use momondo to find a flight deal from London to Seoul?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Seoul . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Seoul with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Seoul from London with this policy.
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.