Cheapest return flights from Singapore to Kathmandu in May from 293€

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

Return flights

06 May - 15 May Air India
13 May - 22 May Air India
16 May - 31 May SriLankan Airlines
07 May - 17 May Thai AirAsia
05 May - 17 May Thai AirAsia
24 May - 02 Jun Scoot
07 May - 18 May Thai AirAsia
05 May - 18 May Thai AirAsia
06 May - 17 May SriLankan Airlines
20 May - 25 May SriLankan Airlines
27 May - 31 May SriLankan Airlines
16 May - 01 Jun Thai AirAsia
23 May - 01 Jun Thai AirAsia
21 May - 07 Jun Thai AirAsia
22 May - 07 Jun Cathay Pacific
26 May - 02 Jun Cathay Pacific
27 May - 02 Jun Cathay Pacific
24 May - 02 Jun Singapore Airlines direct
21 May - 07 Jun Singapore Airlines direct
27 May - 02 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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