Cheap flights from South Korea to the United Kingdom from £143

The cheapest month to fly to United Kingdom from South Korea is in June. Flight prices, which tend to average around £502, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of June, then departing from South Korea during the month January is also very affordable. Most momondo users find prices during this month for around £518.

The cheapest day to depart from South Korea to United Kingdom is on a Friday. Travellers who choose to depart for United Kingdom on a Friday will often find tickets for as low as £506. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from South Korea to United Kingdom for around £699.

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

You are more likely to see cheaper flights to United Kingdom from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £671 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from South Korea for as low as £522 on momondo.

There are 4 cabin classes available to choose from on South Korea to United Kingdom 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 13% on your flight if you consider stops on a South Korea to United Kingdom flight.

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

Asiana Airlines, Lufthansa and Virgin Atlantic are the top three most popular airlines that fly to United Kingdom from South Korea according to our data. Asiana Airlines is the first choice among our users, with 50% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 5 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 30% of flights between South Korea and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 96 minutes.

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

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

According to our data, Korean Air have had the fewest delays on this route over the last 12 months, with about 22% of their flights experiencing any sort of delay.

As of March 2026, there are 3 flights per day flying from South Korea to United Kingdom. The most common time of day flights depart is 10:00, with 66% of flights taking off at midday.

As of March 2026, there are 21 flights per week flying from South Korea to United Kingdom. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.