The flight distance from Chiang Rai International Airport (CEI) in Chiang Rai, Thailand to Singapore Changi International Airport (SIN) in Singapore, Singapore is 2,116 kilometers (1,315 miles / 1,143 nautical miles). The estimated flight time for this route is approximately 3h, flying south southeast at a heading of 167°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

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

Time zone information: When it's 18:23 in Chiang Rai, it's 19:23 in Singapore.

There is a significant elevation difference of 1,258 feet between the two airports. Singapore Changi International Airport sits lower than Chiang Rai International Airport.

The return flight from Singapore (SIN) to Chiang Rai (CEI) follows a heading of 348° (north 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 Chiang Rai International Airport (CEI) and Singapore Changi International Airport (SIN) detail pages, or use our flight duration calculator to compare other routes.