Cheap flights from Southeast Asia to Seoul from £102

The month of September is, on average, the cheapest month to fly to Seoul from Southeast Asia, with most prices found around £157. If you are unable to visit Seoul during the month of September, then departing from Southeast Asia during the month June is also very affordable. Most momondo users find prices during this month for around £178.

The cheapest day to depart from Southeast Asia to Seoul is on a Wednesday when prices can be found for as low as £324. Flights from Southeast Asia to Seoul on a Thursday will generally be more expensive and average around £703. 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 in the evening. Flights from Southeast Asia to Seoul during this time can be as low as £247. Flights in the morning are often more expensive, with an average ticket price of £438.

Fly from Kota Kinabalu to Incheon Intl for the best Southeast Asia - Seoul flight prices

You are more likely to see cheaper flights to Seoul from Southeast Asia when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around £207 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 Southeast Asia for as low as £140 on momondo.

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

Jeju Air, Hainan Airlines, and Shandong Airlines are the most popular carriers operating from Southeast Asia to Seoul

Korean Air, Cebu Pacific and Philippines AirAsia are the top three most popular airlines that fly to Seoul from Southeast Asia according to our data. Korean Air is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Seoul. Keep in mind that there are 11 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

As of March 2026, 132 flights take off from Southeast Asia and land in Seoul each day. The most common flight departure time for this route is 23:00, with 40% of daily flights taking off in the evening.

927 flights are operational weekly from Southeast Asia to Seoul as of March 2026. The most popular departure day for this route is Fri, with 15% of flights per week taking off on this day.