Cheap flights from Hong Kong to Seoul from $121

The cheapest month to fly to Incheon Intl Airport from Hong Kong is in June. Flight prices, which tend to average around $199, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of June, then departing from Hong Kong during the month September is also very affordable. Most momondo users find prices during this month for around $214.

The cheapest day to depart from Hong Kong to Incheon Intl Airport is on a Monday when prices can be found for as low as $292. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $450. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

In the afternoon is the cheapest time of day to fly from Hong Kong to Incheon Intl Airport when you can find flight prices for as low as $191. Flying to Incheon Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $675 on average. Flights to Incheon Intl Airport from Hong Kong at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $252 when searching weeks out. 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 $220 on momondo.

Shandong Airlines and China Eastern are the most popular carriers operating from Hong Kong Intl to Incheon Intl

HK Express, Cathay Pacific and Korean 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 71% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 6 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 11% 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 128 minutes.

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

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

According to our data, Hong Kong Airlines have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

44 flights are operational daily from Hong Kong to Incheon Intl Airport as of May 2026. The most popular departure time for this route is 12:00AM, with 37% of flights per day taking off in the afternoon.

The number of flights available between Hong Kong and Incheon Intl Airport is 313 per week as of May 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.