Cheap flights from Incheon Intl Airport to Singapore from $88

The month of September is, on average, the cheapest month to fly to Singapore from Incheon Intl Airport, with most prices found around $252. If you aren’t able to travel to Singapore during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $259.

The cheapest day to depart from Incheon Intl Airport to Singapore is on a Thursday when prices can be found for as low as $359. The most expensive day to fly to Singapore is Monday, with ticket prices averaging around $635.

In the evening is the cheapest time of day to fly from Incheon Intl Airport to Singapore when you can find flight prices for as low as $402. Flying to Singapore in the evening 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 $538 on average. Flights to Singapore from Incheon Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Singapore from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $345 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Incheon Intl Airport for as low as $267 on momondo.

You could potentially save up to 15% on your flight if you consider stops on a Incheon Intl Airport to Singapore flight.

As of May 2026, prices for Incheon Intl Airport to Singapore flights are approximately 28% cheaper when compared to flights at the same time last year.

Jeju Air, Shenzhen Airlines, and Shandong Airlines are the most popular carriers operating from Incheon Intl to Singapore Changi

Asiana Airlines, Singapore Airlines and T'way Air are the top three most popular airlines that fly to Singapore from Incheon Intl Airport according to our data. Asiana Airlines is the first choice among our users, with 26% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 7 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between Incheon and Singapore have experienced a delay on any given week. The average delay length over the past 12 months has been 109 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.

Thursday 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, Singapore Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

Jinan (TNA) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Ho Chi Minh City (SGN) offer the lowest average round-trip price of $448.

Flights connecting via Taipei City (TPE) have the shortest average one-way travel time: 8h 25m.

Taipei City (TPE) has the shortest average layover time for this route: 1h 05m.

35 flights are operational daily from Incheon Intl Airport to Singapore as of May 2026. The most popular departure time for this route is 11:00PM, with 45% of flights per day taking off in the evening.

As of May 2026, 245 flights take off from Incheon Intl Airport and land in Singapore each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.