The flight distance from Dehradun Airport (DED) in Dehradun, India to Singapore Changi International Airport (SIN) in Singapore, Singapore is 4,207 kilometers (2,614 miles / 2,272 nautical miles). The estimated flight time for this route is approximately 6h, flying southeast at a heading of 135°.

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

Time zone information: When it's 17:26 in Dehradun, it's 19:56 in Singapore.

There is a significant elevation difference of 1,809 feet between the two airports. Singapore Changi International Airport sits lower than Dehradun Airport.

The return flight from Singapore (SIN) to Dehradun (DED) follows a heading of 322° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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