AirHint found the following cheapest return flights from Kathmandu (KTM) to Singapore (SIN) in April 2026 (see full year).
Return flights
| 06 Apr - 10 Apr | Malaysia Airlines | ||
| 15 Apr - 18 Apr | IndiGo | ||
| 15 Apr - 18 Apr | Singapore Airlines | direct | |
| 06 Apr - 10 Apr | Singapore Airlines | direct |
Also check the deals for one-way flights from Kathmandu to Singapore in April.
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