Cheapest return flights from Singapore to Kathmandu in May from 386€

AirHint found the following cheapest return flights from Singapore (SIN) to Kathmandu (KTM) in May 2026 (see full year).

Return flights

16 May - 31 May SriLankan Airlines
21 May - 28 May Air India
01 May - 05 May Air India
02 May - 23 May Air India
02 May - 10 May Air India
16 May - 01 Jun Air India
16 May - 02 Jun Air India
15 May - 01 Jun Air India
15 May - 05 Jun Air India
15 May - 06 Jun Air India
22 May - 01 Jun Air India
23 May - 01 Jun Air India
09 May - 27 May Air India
13 May - 22 May Thai Airways
15 May - 05 Jun Singapore Airlines direct
15 May - 06 Jun Singapore Airlines direct
16 May - 02 Jun Singapore Airlines direct
09 May - 27 May Singapore Airlines direct
13 May - 22 May Singapore Airlines direct
21 May - 28 May Singapore Airlines direct

Also check the deals for one-way flights from Singapore to Kathmandu in May.

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