Cheap flights from London Heathrow Airport to Seoul from £275

The month of January is, on average, the cheapest month to fly to Seoul from London Heathrow Airport, with most prices found around £466. If you are unable to visit Seoul during the month of January, then departing from London Heathrow Airport during the month November is also very affordable. Most momondo users find prices during this month for around £568.

The cheapest day to depart from London Heathrow Airport to Seoul is on a Monday when prices can be found for as low as £819. Flights from London Heathrow Airport to Seoul on a Saturday will generally be more expensive and average around £869. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Seoul is at midday. Flights from London Heathrow Airport to Seoul during this time can be as low as £762. Flights in the evening are often more expensive, with an average ticket price of £905.

Fly from London Heathrow to Incheon Intl for the best London Heathrow - Seoul flight prices

You are more likely to see cheaper flights to Seoul from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around £713 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 Heathrow Airport for as low as £575 on momondo.

There are 4 cabin classes available to choose from on London Heathrow Airport to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Seoul.

As of September 2026, prices for London Heathrow Airport to Seoul flights are approximately 12% cheaper when compared to flights at the same time last year.

China Southern and Lufthansa are the most popular carriers operating from London Heathrow to Seoul

Virgin Atlantic, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Seoul from London Heathrow Airport according to our data. Virgin Atlantic is the first choice among our users, with 38% of people opting to fly with this airline when travelling to Seoul. Keep in mind that there are 17 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

Beijing (PEK) was the most common stop: 18% of momondo users choosing one-stop flights on this route connected there.

Flights via Shanghai (PVG) offer the lowest average return price of £358.

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 15h 02m.

Frankfurt am Main (FRA) has the shortest average stopover time for this route: 1h 52m.

As of September 2026, 4 flights take off from London Heathrow Airport and land in Seoul each day. The most common flight departure time for this route is 13:00, with 63% of daily flights taking off in the afternoon.

33 flights are operational weekly from London Heathrow Airport to Seoul as of September 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.