Cheap flights from Hong Kong to Seoul from £78

The cheapest month to fly to Incheon Intl Airport from Hong Kong is in June. Flight prices, which tend to average around £133, are often lower during this time because this is during the off-season. If you aren’t able to travel to Incheon Intl Airport during the month of June, then flying in May is also cheap. Prices for this month can be found on momondo for an average of £148.

Our data shows that Tuesday is the least expensive day to fly to Incheon Intl Airport. Tickets to fly out on this day can be as low as £142. The most expensive day to fly to Incheon Intl Airport is Sunday, with ticket prices averaging around £223.

Our most recent data shows that the best time of day to fly to Incheon Intl Airport is in the afternoon. Flights from Hong Kong to Incheon Intl Airport during this time can be as low as £127. In contrast, the most expensive time of day to depart to Incheon Intl Airport is in the evening when prices are around £202.

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

You are more likely to see cheaper flights to Incheon Intl Airport from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around £179 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Hong Kong for as low as £151 on momondo.

There are 3 cabin classes available to choose from on Hong Kong Intl to Incheon Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Eastar Jet, Jeju Air, and Shandong Airlines are the most popular carriers operating from Hong Kong Intl to Incheon Intl

HK Express, Cathay Pacific and T'way Air are the top three most popular airlines that fly to Incheon Intl Airport from Hong Kong according to our data. HK Express is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Incheon Intl Airport. Keep in mind that there are 4 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Hong Kong and Incheon have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, HK Express have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

As of March 2026, there are 34 flights per day flying from Hong Kong to Incheon Intl Airport. The most common time of day flights depart is 00:00, with 38% of flights taking off in the afternoon.

238 flights are operational weekly from Hong Kong to Incheon Intl Airport as of March 2026. The most popular departure day for this route is Sat, with 18% of flights per week taking off on this day.