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? Early arrival? Instantly customize your resultsTrusted 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 round-trip flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Shenzhen Airlines flights from London to Seoul
Our best Shenzhen Airlines deals on London to Seoul flight tickets
Lufthansa flights from London to Seoul
Our best Lufthansa deals on London to Seoul flight tickets
See travel insights to Seoul from
How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and Seoul?
What is the cheapest month to fly to Seoul?
The cheapest month to fly to Seoul from London is in November. Flight prices, which tend to average around C$ 782, are often lower during this time because this is during the off-season. If you’re not able to fly to Seoul in November, then March is your next best option. Flight prices from London to Seoul during March average around C$ 807.
What is the cheapest day to depart on your flight to Seoul?
Our data shows that Monday is the least expensive day to fly to Seoul. Tickets to fly out on this day can be as low as C$ 1,769. The most expensive day to fly to Seoul is Sunday, with ticket prices averaging around C$ 2,191.
What is the cheapest time of day to depart on your flight to Seoul?
The cheapest time of day to fly to Seoul is in the morning when flights can be purchased for as low as C$ 926. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,769 per ticket.
What is the cheapest London to Seoul flight route?
Fly from London Heathrow to Incheon Intl for the best London - 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 when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around C$ 1,270 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 for as low as C$ 1,173 on momondo.
What cabin class options are available on London to Seoul flights?
There are 2 cabin classes available to choose from on London to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from London to Seoul on average per day?
As of May 2025, 3 flights take off from London and land in Seoul each day. The most common flight departure time for this route is 7:00p.m., with 100% of daily flights taking off in the evening.
How many flights depart from London to Seoul on average per week?
21 flights are operational weekly from London to Seoul 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 London to Seoul
Cheap London to Seoul (LON to SEL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Seoul
How far is London to Seoul by plane?
Seoul is 8853.6 km away from London. A reasonable flight in good conditions will take 14h 05m.
When did momondo last update prices for flights from London to Seoul?
Prices for flights from London to Seoul refresh daily.
How old do you have to be to fly from London to Seoul?
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 to Seoul.
What documentation or ID do you need to fly to Seoul?
The travel and health documents required for your trip to Seoul 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 Seoul. 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 Seoul?
Based on momondo bookings for flights between London and Seoul, the leading plane model is Boeing 777-300ER, making up 39.18% of the total bookings. Other popular models include Airbus A350-900 with 25.51%, Airbus A350-1000 with 11.41%, and Boeing 787-9 Dreamliner with 8.05%.
What is the most popular airline from London to Seoul?
Based on momondo bookings for flights between London and Seoul, the leading airline is Air China, making up 100% of the total bookings.
Why use momondo?
Why should I use momondo to find a flight deal from London to Seoul?
Finding the right flight to Seoul from London is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seoul quick and easy, saving you time and money.
Can I find flights from London to Seoul with flexible booking policies on momondo?
All flight searches from London to Seoul on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to Seoul?
momondo provides multiple filters to help you find the best flight to Seoul from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
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.