Cheap flights from the United Kingdom to Seoul from £233

The month of November is, on average, the cheapest month to fly to Seoul from United Kingdom, with most prices found around £422. If you are unable to visit Seoul during the month of November, then departing from United Kingdom during the month January is also very affordable. Most momondo users find prices during this month for around £443.

The cheapest day to depart from United Kingdom to Seoul is on a Tuesday when prices can be found for as low as £864. Flights from United Kingdom to Seoul on a Saturday will generally be more expensive and average around £1,003. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Seoul is at midday. Flights from United Kingdom to Seoul during this time can be as low as £632. Flights in the afternoon are often more expensive, with an average ticket price of £950.

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

You are more likely to see cheaper flights to Seoul from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around £678 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 United Kingdom for as low as £612 on momondo.

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

AirAsia X, China Southern, and China Eastern are the most popular carriers operating from United Kingdom to Seoul

Asiana Airlines, Lufthansa and Korean Air are the top three most popular airlines that fly to Seoul 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 Seoul. Keep in mind that there are 17 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

Historically, on average around 0% of flights between United Kingdom 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.

As of February 2026, 3 flights take off from United Kingdom and land in Seoul 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 Seoul as of February 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.