Cheap flights from Incheon Intl Airport to the United Kingdom from £141

The cheapest month to fly to United Kingdom from Incheon Intl Airport is in May. Flight prices, which tend to average around £413, 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 May, then departing from Incheon Intl Airport during the month March is also very affordable. Most momondo users find prices during this month for around £453.

The cheapest day to depart from Incheon Intl Airport 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 £494. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Incheon Intl Airport to United Kingdom for around £740.

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

You are more likely to see cheaper flights to United Kingdom from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £660 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 Incheon Intl Airport for as low as £554 on momondo.

There are 4 cabin classes available to choose from on Incheon Intl 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 18% on your flight if you consider stops on a Incheon Intl Airport to United Kingdom flight.

China Eastern, Shenzhen Airlines, and Lufthansa are the most popular carriers operating from Incheon Intl to United Kingdom

Asiana Airlines, Lufthansa and Air China are the top three most popular airlines that fly to United Kingdom from Incheon Intl Airport 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 Incheon and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 98 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. Wednesday 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 February 2026, there are 3 flights per day flying from Incheon Intl Airport to United Kingdom. The most common time of day flights depart is 10:00, with 66% of flights taking off at midday.

The number of flights available between Incheon Intl Airport and United Kingdom is 21 per week as of February 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.