Cheap flights from London to Seoul from $357
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 to Seoul departing on 4/23. 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.
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 to Seoul
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
China Eastern flights from London to Seoul
Our best China Eastern deals on London to Seoul flight tickets
Air China flights from London to Seoul
Our best Air China 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 month of March is another great option to travel to Seoul, with average flight prices from London averaging around $590.
What is the cheapest day to depart on your flight to Seoul?
According to our data, Wednesday is the cheapest day to fly to Seoul from London. The lowest ticket price found for a Wednesday departure recently was $1,086. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $1,258.
What is the cheapest time of day to depart on your flight to Seoul?
Flying to Seoul from London at noon is the least expensive time of day to depart. momondo users have found prices as low as $704 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,316 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 $922 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 $866 on momondo.
What cabin class options are available on London to Seoul flights?
There are 3 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.
What is the cheapest airline that flies from London to Seoul?
China Southern, China Eastern, and Air China are the most popular carriers operating from London to Seoul
What airlines fly to Seoul?
Asiana Airlines, Korean Air and Air China are the top three most popular airlines that fly to Seoul from London according to our data. Asiana Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 4 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.
How many flights depart from London to Seoul on average per day?
The number of flights available between London and Seoul is 2 per day as of March 2025. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.
How many flights depart from London to Seoul on average per week?
As of March 2025, 19 flights take off from London and land in Seoul each week. The most common flight departure day for this route is Mon, with 16% of weekly flights 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 5501.4 mi away from London. In terms of flight time, this usually takes a little over 14h 25m.
When did momondo last update prices for flights from London to Seoul?
Prices for flights from London to Seoul are refreshed on a daily basis.
How many operators does momondo search for flights from London to Seoul?
There are 4 operators available for flights from London to Seoul as of March 2025.
How old do you have to be to fly from London 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 to Seoul.
What documentation or ID do you need to fly to Seoul?
The travel and health documents you'll need for your trip to Seoul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seoul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Seoul?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Seoul is Boeing 777-300ER (41.23% of total bookings). The next most popular plane models are Airbus A350-900 (24.80%), Airbus A350-1000 (11.08%), and Boeing 787-8 Dreamliner (7.76%).
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 26% of the total bookings. Other popular airlines include China Southern with 21%, Asiana Airlines with 18%, and Korean Air with 12%.
Best airlines flying from London to Seoul
Compare and see reviews for airlines that fly from London to Seoul with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $528 | Free Cancellation | Rating 7.0 80 reviews | |||
| PriceFrom $726 | Free Cancellation | Rating 6.7 6,949 reviews | |||
| PriceFrom $990 | Free Cancellation | Rating 8.2 442 reviews | |||
| PriceFrom $1,003 | Free Cancellation | Rating 8.4 1,047 reviews |
Korean Air Flights From London to Seoul
Korean Air operates around 7 flights from London to Seoul every week. The average price of these flights found in the last 72 hours has been $1,160, but momondo users have found Korean Air deals from London to Seoul from as low as $1,003 round-trip. Korean Air has been scored 8.4/10 in 1,047 reviews.
Asiana Airlines Flights From London to Seoul
Asiana Airlines is also a popular choice for this route. Asiana Airlines flight deals for London to Seoul start from as low as $990 round-trip, depending on your selected dates, with average Asiana Airlines deals seen on momondo around $1,047. Asiana Airlines operates 5 flights to Seoul from London in an average week. Users have rated it 8.2/10 across 442 reviews.
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 recognisable 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?
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?
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.