Cheap flights from London Heathrow Airport to Seoul from £264
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 Heathrow Airport to Seoul departing on 24/4. 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, 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? Stopover? Instantly customise 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 Heathrow Airport to Seoul
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Air China flights from London Heathrow Airport to Seoul
Our best Air China deals on London Heathrow Airport to Seoul flight tickets
China Eastern flights from London Heathrow Airport to Seoul
Our best China Eastern deals on London Heathrow Airport to Seoul flight tickets
See travel insights to Seoul from
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 month of November is, on average, the cheapest month to fly to Seoul from London Heathrow Airport, with most prices found around £526. If you are unable to visit Seoul during the month of November, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around £547.
What is the cheapest day to depart on your flight to Seoul?
The cheapest day to depart from London Heathrow Airport to Seoul is on a Wednesday when prices can be found for as low as £869. Flights from London Heathrow Airport to Seoul on a Saturday will generally be more expensive and average around £907. 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 in the morning. Flights from London Heathrow Airport to Seoul during this time can be as low as £585. Flights in the afternoon are often more expensive, with an average ticket price of £908.
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 £715 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 £671 on momondo.
What cabin class options are available on London Heathrow to Seoul flights?
There are 4 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.
What is the cheapest airline that flies from London Heathrow to Seoul?
China Southern, China Eastern, and Shenzhen Airlines are the most popular carriers operating from London Heathrow 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 Heathrow Airport according to our data. Asiana Airlines is the first choice among our users, with 41% 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 Heathrow Airport to Seoul on average per day?
As of March 2025, 3 flights take off from London Heathrow Airport and land in Seoul each day. The most common flight departure time for this route is 19:00, with 100% of daily flights taking off in the evening.
How many flights depart from London Heathrow Airport to Seoul on average per week?
21 flights are operational weekly from London Heathrow Airport to Seoul as of March 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 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?
Seoul is 5512.0 mi away from London Heathrow. In terms of flight time, this usually takes a little over 15h 05m.
When did momondo last update prices for flights from London Heathrow Airport to Seoul?
Prices for flights from London Heathrow Airport to Seoul were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Seoul?
As of March 2025, there are 16 operators available to choose from for flights from London Heathrow Airport to Seoul.
How old do you have to be to fly from London Heathrow Airport 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 Heathrow Airport 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 Heathrow Airport to Seoul?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Seoul is Boeing 777-300ER, representing 41.23% of all bookings. The subsequent popular models are Airbus A350-900 at 24.80%, Airbus A350-1000 at 11.08%, and Boeing 787-8 Dreamliner at 7.76%.
What is the most popular airline from London Heathrow Airport to Seoul?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Seoul is Asiana Airlines (21% of total bookings). The next most popular airlines are Air China (16%), Korean Air (12%), and China Southern (12%).
Best airlines flying from London Heathrow Airport to Seoul
Compare and see reviews for airlines that fly from London Heathrow Airport to Seoul with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £342 | Free Cancellation | Rating 7.5 94 reviews | |||
| PriceFrom £358 | Free Cancellation | Rating 7.2 139 reviews | |||
| PriceFrom £379 | Free Cancellation | Rating 7.1 82 reviews | |||
| PriceFrom £424 | Free Cancellation | Rating 7.4 607 reviews | |||
| PriceFrom £438 | Free Cancellation | Rating 6.1 11 reviews | |||
| PriceFrom £486 | Free Cancellation | Rating 6.7 6,961 reviews | |||
| PriceFrom £543 | Free Cancellation | Rating 7.4 1,181 reviews | |||
| PriceFrom £556 | Free Cancellation | Rating 7.6 1,267 reviews | |||
| PriceFrom £561 | Free Cancellation | Rating 7.6 1,065 reviews | |||
| PriceFrom £563 | Free Cancellation | Rating 7.4 1,425 reviews |
Korean Air Flights From London Heathrow Airport to Seoul
The lowest priced Korean Air flight from London Heathrow Airport to Seoul from the last 72 hours was £973. Generally, Korean Air has 7 flights on this route every week with an average price of £1,104. Korean Air is rated 8.4/10 by our users.
Asiana Airlines Flights From London Heathrow Airport to Seoul
Asiana Airlines is also a popular choice for this route. Asiana Airlines flight deals for London Heathrow Airport to Seoul start from as low as £938 round-trip, depending on your selected dates, with average Asiana Airlines deals seen on momondo around £1,077. Asiana Airlines operates 7 flights to Seoul from London Heathrow Airport in an average week. Users have rated it 8.2/10 across 440 reviews.
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 allows you to filter the results for London to Seoul flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Seoul?
Once all potential London to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from London to Seoul right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from London and alert you when they change.