Cheapest return flights from Singapore to Kathmandu in May from $379

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

Return flights

05 May - 15 May Scoot
26 May - 31 May SriLankan Airlines
05 May - 12 May Air India
15 May - 04 Jun Scoot
17 May - 24 May Thai AirAsia
16 May - 01 Jun Thai AirAsia
01 May - 02 Jun Air India
24 May - 31 May SriLankan Airlines
19 May - 27 May Thai AirAsia
14 May - 18 May Thai AirAsia
16 May - 30 May Thai AirAsia
30 May - 05 Jun Thai AirAsia
30 May - 06 Jun Thai AirAsia
09 May - 13 May SriLankan Airlines
24 May - 30 May Thai AirAsia
30 May - 02 Jun Thai AirAsia
26 May - 02 Jun Air India
22 May - 07 Jun IndiGo
22 May - 06 Jun IndiGo
27 May - 01 Jun Singapore Airlines direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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