Cheap flights from London to Seoul from €396

The cheapest month to fly to Seoul from London is in January. Flight prices, which tend to average around €522, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Seoul, with average flight prices from London averaging around €575.

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

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 €818 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 €662 on momondo.

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.

You could potentially save up to 50% on your flight if you consider stops on a London to Seoul flight.

As of August 2026, prices for London to Seoul flights are approximately 22% cheaper when compared to flights at the same time last year.

Historically, on average around 0% of flights between London and Seoul have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Beijing (PEK) was the most common stop: 75% of momondo users choosing one-stop flights on this route connected there.

Flights via Shanghai (PVG) offer the lowest average return price of €387.

Flights connecting via Beijing (PEK) have the shortest average one-way travel time: 14h 42m.

Beijing (PEK) has the shortest average stopover time for this route: 2h 31m.

4 flights are operational daily from London to Seoul as of August 2026. The most popular departure time for this route is 13:00, with 66% of flights per day taking off in the afternoon.

As of August 2026, there are 31 flights per week flying from London to Seoul. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.