Cheap flights from Hong Kong to Seoul from $170

In general, June is the cheapest month to fly from Hong Kong to Incheon Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $264. If you aren’t able to travel to Incheon Intl Airport during the month of June, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $297.

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 $254. On the other hand, Saturday is the most expensive day to depart from Hong Kong because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $642.

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 $273. Flights at midday are often more expensive, with an average ticket price of $498.

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 $350 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 $298 on momondo.

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 127 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening 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. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Hong Kong Airlines 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 May 2026, there are 40 flights per day flying from Hong Kong to Incheon Intl Airport. The most common time of day flights depart is 00:00, with 36% of flights taking off in the afternoon.

The number of flights available between Hong Kong and Incheon Intl Airport is 282 per week as of May 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.