Cheap flights from Singapore to Seoul from $236

In general, August is the cheapest month to fly from Singapore to Incheon Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $456. If you aren’t able to travel to Incheon Intl Airport during the month of August, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $492.

The cheapest day to depart from Singapore to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $518. On the other hand, Thursday is the most expensive day to depart from Singapore because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $624.

Our most recent data shows that the best time of day to fly to Incheon Intl Airport is in the evening. Flights from Singapore to Incheon Intl Airport during this time can be as low as $551. Flights at midday are often more expensive, with an average ticket price of $715.

Fly from Singapore Changi to Incheon Intl for the best Singapore Changi - Incheon Intl flight prices

You are more likely to see cheaper flights to Incheon Intl Airport from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $579 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 Singapore for as low as $505 on momondo.

There are 2 cabin classes available to choose from on Singapore 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.

Historically, on average around 18% of flights between Singapore and Incheon have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

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

Tuesday 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, Singapore Airlines have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

As of April 2026, 35 flights take off from Singapore and land in Incheon Intl Airport each day. The most common flight departure time for this route is 22:00, with 38% of daily flights taking off in the morning.

As of April 2026, 247 flights take off from Singapore and land in Incheon Intl Airport each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.