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Route Reference

Singapore to Kathmandu

SIN
Singapore
KTM
Kathmandu
Distance3,537 km / 2,198 miles
Estimated Flight Time≈ 4.2 hours nonstop
Origin Time ZoneAsia/Singapore
Destination Time ZoneAsia/Kathmandu

Airlines Based in Singapore or Nepal

These carriers are headquartered in one of the two countries on this route — check directly for current route-specific availability:

How This Route Appears in a GDS PNR

A segment on this route typically looks like this in a raw PNR:

2  BA 287 Y 15JUL 2*SINKTM HK1  800A  2000P

The six-letter pair SINKTM tells you the flight departs Singapore and arrives in Kathmandu.

Frequently Asked Questions

How far is Singapore from Kathmandu?

Singapore (SIN) is approximately 3,537 km (2,198 miles) from Kathmandu (KTM).

How long is the flight from Singapore to Kathmandu?

A nonstop flight from SIN to KTM takes roughly 4.2 hours, based on typical long-haul cruise speed. Actual time varies by aircraft, routing, and wind.

What is the time difference between Singapore and Kathmandu?

Singapore is on Asia/Singapore and Kathmandu is on Asia/Kathmandu — check both before planning connections or calling clients.

Convert a Singapore–Kathmandu PNR to a Clean Itinerary

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