Cheap flights from Hong Kong to Seoul from £77

The month of September is, on average, the cheapest month to fly to Seoul from Hong Kong, with most prices found around £130. If you are unable to visit Seoul during the month of September, then departing from Hong Kong during the month June is also very affordable. Most momondo users find prices during this month for around £133.

The cheapest day to depart from Hong Kong to Seoul is on a Tuesday when prices can be found for as low as £140. Flights from Hong Kong to Seoul on a Sunday will generally be more expensive and average around £221. 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 afternoon. Flights from Hong Kong to Seoul during this time can be as low as £126. Flights in the evening are often more expensive, with an average ticket price of £200.

Fly from Hong Kong Intl to Incheon Intl for the best Hong Kong Intl - Seoul flight prices

You are more likely to see cheaper flights to Seoul from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around £178 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 Hong Kong for as low as £149 on momondo.

There are 3 cabin classes available to choose from on Hong Kong Intl 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, Eastar Jet, and T'way Air are the most popular carriers operating from Hong Kong Intl to Seoul

HK Express, Cathay Pacific and T'way Air are the top three most popular airlines that fly to Seoul from Hong Kong according to our data. HK Express is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Seoul. Keep in mind that there are 4 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

The number of flights available between Hong Kong and Seoul is 36 per day as of March 2026. The most frequent departure time is 00:00, with 38% of daily flights leaving in the afternoon.

The number of flights available between Hong Kong and Seoul is 256 per week as of March 2026. The most frequent departure day is Wed, with 16% of weekly flights leaving on this day.