Cheap flights from the United Kingdom to South Korea from £251

The month of November is, on average, the cheapest month to fly to South Korea from United Kingdom, with most prices found around £429. If you’re not able to fly to South Korea in November, then January is your next best option. Flight prices from United Kingdom to South Korea during January average around £453.

The cheapest day to depart from United Kingdom to South Korea is on a Wednesday when prices can be found for as low as £872. On the other hand, Saturday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,050.

Flying to South Korea from United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £644 when looking at flights departing at midday. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £958 on average. Flights to South Korea from United Kingdom in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from London Heathrow to Incheon Intl for the best United Kingdom - South Korea flight prices

You are more likely to see cheaper flights to South Korea from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around £695 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from United Kingdom for as low as £592 on momondo.

There are 4 cabin classes available to choose from on United Kingdom to South Korea flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

China Eastern, Qatar Airways, and Vietnam Airlines are the most popular carriers operating from United Kingdom to South Korea

Asiana Airlines, Lufthansa and Korean Air are the top three most popular airlines that fly to South Korea from United Kingdom according to our data. Asiana Airlines is the first choice among our users, with 32% of people opting to fly with this airline when travelling to South Korea. Keep in mind that there are 17 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between United Kingdom and South Korea have experienced a delay on any given week. The average delay length over the past 12 months has been 117 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Asiana Airlines have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

As of March 2026, 3 flights take off from United Kingdom and land in South Korea each day. The most common flight departure time for this route is 18:00, with 100% of daily flights taking off in the evening.

21 flights are operational weekly from United Kingdom to South Korea as of March 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.