Cheap flights from Hong Kong to Seoul from $117

The cheapest month to fly to Incheon Intl Airport from Hong Kong is in January. Flight prices, which tend to average around $228, 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 January, then departing from Hong Kong during the month September is also very affordable. Most momondo users find prices during this month for around $233.

The cheapest day to depart from Hong Kong to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $209. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $328. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

At noon 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 $186. Flying to Incheon Intl Airport at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $278 on average. Flights to Incheon Intl Airport from Hong Kong in the morning 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 $263 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 $233 on momondo.

There are 4 cabin classes available to choose from on Hong Kong to Incheon Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Eastar Jet and HK Express are the most popular carriers operating from Hong Kong Intl to Incheon Intl

HK Express, Trinity Airways (Formerly T'way Air) and Asiana Airlines 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 66% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 9 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 121 minutes.

Generally, flights departing at night 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, Trinity Airways (Formerly T'way Air) have had the least number of delays on this route over the last 12 months; with about 4% of their flights experiencing any sort of delay.

31 flights are operational daily from Hong Kong to Incheon Intl Airport as of November 2026. The most popular departure time for this route is 12:00AM, with 31% of flights per day taking off in the afternoon.

The number of flights available between Hong Kong and Incheon Intl Airport is 223 per week as of November 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.