Cheap flights from Singapore to Seoul from $143

The cheapest month to fly to Incheon Intl Airport from Singapore is in May. Flight prices, which tend to average around $315, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of May, then departing from Singapore during the month August is also very affordable. Most momondo users find prices during this month for around $321.

The cheapest day to depart from Singapore to Incheon Intl Airport is on a Sunday when prices can be found for as low as $448. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $497. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

In the evening is the cheapest time of day to fly from Singapore to Incheon Intl Airport when you can find flight prices for as low as $444. Flying to Incheon Intl Airport 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 in the morning when prices are $560 on average. Flights to Incheon Intl Airport from Singapore in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $394 when searching weeks out. 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 $318 on momondo.

There are 4 cabin classes available to choose from on Singapore Changi to Incheon Intl 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 21% on your flight if you consider stops on a Singapore to Incheon Intl Airport flight.

As of February 2026, prices for Singapore to Incheon Intl Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

Vietnam Airlines is the most popular carrier operating from Singapore Changi to Incheon Intl

Korean Air, T'way Air 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 35% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 6 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 19% 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 119 minutes.

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

Tuesday 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 11% of their flights experiencing any sort of delay.

Guangzhou (CAN) was the most common stop: 75% 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 $279.

Flights connecting via Ho Chi Minh City (SGN) have the shortest average one-way travel time: 8h 40m.

Ho Chi Minh City (SGN) has the shortest average layover time for this route: 1h 18m.

The number of flights available between Singapore and Incheon Intl Airport is 34 per day as of February 2026. The most frequent departure time is 8:00AM, with 34% of daily flights leaving in the morning.

The number of flights available between Singapore and Incheon Intl Airport is 244 per week as of February 2026. The most frequent departure day is Wed, with 16% of weekly flights leaving on this day.