The flight distance from Heihe Airport (HEK) in Heihe, China to Singapore Changi International Airport (SIN) in Singapore, Singapore is 5,859 kilometers (3,641 miles / 3,164 nautical miles). The estimated flight time for this route is approximately 8h, flying south southwest at a heading of 210°.

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 China with Singapore. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 04:32 in Heihe, it's 04:32 in Singapore.

There is a significant elevation difference of 8,508 feet between the two airports. Singapore Changi International Airport sits lower than Heihe Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Singapore (SIN) to Heihe (HEK) follows a heading of 19° (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 Heihe Airport (HEK) and Singapore Changi International Airport (SIN) detail pages, or use our flight duration calculator to compare other routes.