AirHint found the following cheapest return flights from Singapore (SIN) to Kathmandu (KTM) in August 2026 (see full year).
Return flights
| 16 Aug - 05 Sep | Air India | ||
| 06 Aug - 11 Aug | Cathay Pacific | ||
| 06 Aug - 11 Aug | Singapore Airlines | direct | |
| 16 Aug - 05 Sep | Singapore Airlines | direct |
Also check the deals for one-way flights from Singapore to Kathmandu in August.
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