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

Return flights

31 Jan - 15 Feb	Air India
28 Jan - 25 Feb	SriLankan Airlines
17 Jan - 20 Jan	IndiGo
16 Jan - 19 Jan	IndiGo
16 Jan - 18 Jan	Air India
15 Jan - 22 Jan	Air India
18 Jan - 18 Feb	Air India
21 Jan - 23 Jan	IndiGo
14 Jan - 23 Jan	IndiGo
30 Jan - 13 Feb	IndiGo
25 Jan - 31 Jan	IndiGo
14 Jan - 02 Feb	IndiGo
30 Jan - 01 Feb	Air India
15 Jan - 23 Jan	IndiGo
31 Jan - 13 Feb	Thai AirAsia
13 Jan - 23 Jan	IndiGo
26 Jan - 01 Feb	IndiGo
30 Jan - 12 Feb	Air India
30 Jan - 14 Feb	Air India
13 Jan - 23 Jan	Singapore Airlines	direct

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

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 Kathmandu

Cheap car rent in Kathmandu

Cheapest return flights from Singapore to Kathmandu in January from $366

Return flights