The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Singapore Changi International Airport (SIN) in Singapore, Singapore is 4,628 kilometers (2,875 miles / 2,499 nautical miles). The estimated flight time for this route is approximately 6h, flying southwest at a heading of 215°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting South Korea with Singapore. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 16:03 in Seoul, it's 15:03 in Singapore.

The return flight from Singapore (SIN) to Seoul (ICN) follows a heading of 27° (north northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Incheon International Airport (ICN) and Singapore Changi International Airport (SIN) detail pages, or use our flight duration calculator to compare other routes.