Cheap flights from Singapore to Seoul from £125

The cheapest month to fly to Incheon Intl Airport from Singapore is in August. Flight prices, which tend to average around £270, 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 August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of £276.

Our data shows that Friday is the least expensive day to fly to Incheon Intl Airport. Tickets to fly out on this day can be as low as £332. The most expensive day to fly to Incheon Intl Airport is Saturday, with ticket prices averaging around £503.

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 £348. In contrast, the most expensive time of day to depart to Incheon Intl Airport is in the morning when prices are around £460.

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 £322 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 £284 on momondo.

There are 3 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.

You could potentially save up to 1% on your flight if you consider stops on a Singapore to Incheon Intl Airport flight.

As of June 2026, prices for Singapore to Incheon Intl Airport flights are approximately 2% cheaper when compared to flights at the same time last year.

T'way Air and Jeju Air are the most popular carriers operating from Singapore Changi to Incheon Intl

Korean Air, Singapore Airlines and Asiana Airlines are the top three most popular airlines that fly to Incheon Intl Airport from Singapore according to our data. Korean Air is the first choice among our users, with 59% of people opting to fly with this airline when travelling to Incheon Intl Airport. Keep in mind that there are 5 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 17% 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 10% of their flights experiencing any sort of delay.

As of June 2026, 34 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 36% of daily flights taking off in the morning.

240 flights are operational weekly from Singapore to Incheon Intl Airport as of June 2026. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.