Cheap flights from Incheon Intl Airport to Singapore from $123

The month of September is, on average, the cheapest month to fly to Singapore from Incheon Intl Airport, with most prices found around $266. If you aren’t able to travel to Singapore during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $288.

The cheapest day to depart from Incheon Intl Airport to Singapore is on a Thursday when prices can be found for as low as $394. The most expensive day to fly to Singapore is Sunday, with ticket prices averaging around $650.

In the afternoon is the cheapest time of day to fly from Incheon Intl Airport to Singapore when you can find flight prices for as low as $442. Flying to Singapore in the afternoon 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 $540 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 $371 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 $319 on momondo.

There are 3 cabin classes available to choose from on Incheon Intl Airport to Singapore 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 6% on your flight if you consider stops on a Incheon Intl Airport to Singapore flight.

As of August 2026, prices for Incheon Intl Airport to Singapore flights are approximately 35% cheaper when compared to flights at the same time last year.

Jeju Air, Vietnam Airlines, and China Eastern are the most popular carriers operating from Incheon Intl to Singapore Changi

Singapore Airlines, Asiana Airlines and T'way Air are the top three most popular airlines that fly to Singapore from Incheon Intl Airport according to our data. Singapore Airlines is the first choice among our users, with 28% 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 16% 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 117 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, T'way Air have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

Jinan (TNA) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

Flights via Taipei City (TPE) offer the lowest average round-trip price of $533.

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.

27 flights are operational daily from Incheon Intl Airport to Singapore as of August 2026. The most popular departure time for this route is 4:00PM, with 41% of flights per day taking off in the afternoon.

As of August 2026, 194 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 16% of weekly flights taking off on this day.