Cheap flights from London to Seoul from £197
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 17/8. 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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China Southern flights from London to Seoul
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Air China flights from London to Seoul
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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 November is, on average, the cheapest month to fly to Seoul from London, with most prices found around £415. If you are unable to visit Seoul during the month of November, then departing from London during the month March is also very affordable. Most momondo users find prices during this month for around £440.
What is the cheapest day to depart on your flight to Seoul?
The cheapest day to depart from London to Seoul is on a Wednesday when prices can be found for as low as £846. Flights from London to Seoul on a Saturday will generally be more expensive and average around £956. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Seoul?
Our most recent data shows that the best time of day to fly to Seoul is at midday. Flights from London to Seoul during this time can be as low as £727. Flights in the afternoon are often more expensive, with an average ticket price of £992.
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 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around £673 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from London for as low as £611 on momondo.
What cabin class options are available on London to Seoul flights?
There are 4 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 and Hainan Airlines are the most popular carriers operating from London to Seoul
Which 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 34% of people opting to fly with this airline when travelling to Seoul. Keep in mind that there are 16 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 3 per day as of July 2025. The most frequent departure time is 19:00, with 100% of daily flights leaving in the evening.
How many flights depart from London to Seoul on average per week?
The number of flights available between London and Seoul is 21 per week as of July 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving 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?
The straight-line distance from London to Seoul is 5501.4 mi. Flights usually cover this in 14h 20m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London to Seoul?
Prices for flights from London to Seoul are updated daily.
How many operators does momondo search for flights from London to Seoul?
As of July 2025, there are 16 operators available to choose from for flights from London to Seoul.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 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 (32.97% of total bookings). The next most popular plane models are Airbus A350-900 (26.60%), Boeing 787-9 Dreamliner (11.49%), and Airbus A350-1000 (11.21%).
What is the most popular airline from London to Seoul?
momondo data reveals that the most frequently booked airline on the route from London to Seoul is Air China, representing 28% of all bookings. The subsequent popular airlines are China Eastern at 13%, China Southern at 11%, and Asiana Airlines at 11%.
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 £314 | Free Cancellation | Rating 7.1 152 reviews | |||
| PriceFrom £332 | Free Cancellation | Rating 7.6 100 reviews | |||
| PriceFrom £338 | Free Cancellation | Rating 7.2 92 reviews | |||
| PriceFrom £415 | Free Cancellation | Rating 6.5 14 reviews | |||
| PriceFrom £443 | Free Cancellation | Rating 6.8 7,207 reviews | |||
| PriceFrom £515 | Free Cancellation | Rating 7.6 1,093 reviews | |||
| PriceFrom £521 | Free Cancellation | Rating 7.4 1,224 reviews | |||
| PriceFrom £534 | Free Cancellation | Rating 7.5 1,473 reviews | |||
| PriceFrom £534 | Free Cancellation | Rating 7.6 1,304 reviews | |||
| PriceFrom £535 | Free Cancellation | Rating 7.3 3,895 reviews |
Korean Air Flights From London to Seoul
Korean Air flight deals from London to Seoul start from £972 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually £1,120 round-trip - but some users have found much cheaper deals with momondo.
Asiana Airlines Flights From London to Seoul
The best Asiana Airlines deal for London to Seoul flight tickets found on momondo in the last 72 hours was £938, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at £1,111 round-trip. Asiana Airlines operates 7 flights out of London into Seoul in an average week, so prices vary by time and availability. 452 Asiana Airlines reviews by users on momondo have scored the airline at 8.2/10.
Why use momondo?
Why should I use momondo to find a flight deal from London to Seoul?
It is quick and easy to find London to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.
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?
If you are not ready to book a flight from London to Seoul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seoul and let you know when they change.