Cheapest return SIN–KTM flights, May

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

Return flights

27 May - 31 May SriLankan Airlines
07 May - 19 Jun IndiGo
22 May - 01 Jun AirAsia
20 May - 31 May AirAsia
24 May - 31 May SriLankan Airlines
09 May - 13 May AirAsia
07 May - 15 May Batik Air Malaysia
30 May - 05 Jun IndiGo
23 May - 06 Jun IndiGo
24 May - 06 Jun IndiGo
19 May - 27 May IndiGo
17 May - 29 May IndiGo
25 May - 06 Jun IndiGo
16 May - 01 Jun IndiGo
26 May - 08 Jun SriLankan Airlines
26 May - 03 Jun SriLankan Airlines
08 May - 20 May IndiGo
12 May - 19 May IndiGo
08 May - 18 May IndiGo
07 May - 19 Jun Singapore Airlines direct

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

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