AirHint found the following cheapest return flights from Kathmandu (KTM) to Singapore (SIN) in October 2025 (see full year).

Return flights

01 Oct - 08 Oct	SriLankan Airlines
09 Oct - 13 Oct	Air India
14 Oct - 30 Oct	Thai AirAsia
14 Oct - 01 Nov	Thai AirAsia
23 Oct - 09 Nov	Thai AirAsia
23 Oct - 30 Oct	Thai AirAsia
24 Oct - 09 Nov	Thai AirAsia
24 Oct - 13 Nov	Thai AirAsia
13 Oct - 19 Oct	SriLankan Airlines
23 Oct - 01 Nov	Thai AirAsia
23 Oct - 08 Nov	Thai AirAsia
12 Oct - 19 Oct	SriLankan Airlines
24 Oct - 30 Oct	Thai AirAsia
18 Oct - 30 Oct	Thai AirAsia
24 Oct - 01 Nov	Thai AirAsia
24 Oct - 08 Nov	Thai AirAsia
29 Oct - 09 Nov	Thai AirAsia
29 Oct - 13 Nov	Thai AirAsia
14 Oct - 28 Oct	Thai AirAsia
29 Oct - 30 Oct	Thai AirAsia

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

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Kathmandu to Singapore in October from 365€

Return flights