Cheap flights from South Korea to London from £226

The cheapest month to fly to London from South Korea is in April. Flight prices, which tend to average around £135, are often lower during this time because this is during the off-season. The month of December is another great option to travel to London, with average flight prices from South Korea averaging around £172.

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £550. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from South Korea to London for around £759.

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £660. Flights at midday are often more expensive, with an average ticket price of £706.

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

You are more likely to see cheaper flights to London from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £670 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from South Korea for as low as £526 on momondo.

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

Air China, China Eastern, and Shenzhen Airlines are the most popular carriers operating from South Korea to London

Asiana Airlines, Virgin Atlantic and Air China are the top three most popular airlines that fly to London from South Korea according to our data. Asiana Airlines is the first choice among our users, with 44% of people opting to fly with this airline when travelling to London. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 26% of flights between South Korea and London have experienced a delay on any given week. The average delay length over the past 12 months has been 97 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.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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 20% of their flights experiencing any sort of delay.

4 flights are operational daily from South Korea to London as of June 2026. The most popular departure time for this route is 10:00, with 62% of flights per day taking off at midday.

As of June 2026, there are 32 flights per week flying from South Korea to London. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.