Cheapest return flights from Singapore to Kathmandu in April from $350

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

Return flights

14 Apr - 24 Apr AirAsia
19 Apr - 22 Apr Air India
19 Apr - 27 Apr IndiGo
19 Apr - 26 Apr IndiGo
09 Apr - 17 Apr IndiGo
19 Apr - 23 Apr Air India
19 Apr - 25 Apr IndiGo
17 Apr - 25 Apr Air India
24 Apr - 03 May Air India
10 Apr - 12 Apr Air India
30 Apr - 04 May IndiGo
13 Apr - 19 Apr Air India
24 Apr - 06 May IndiGo
25 Apr - 10 May IndiGo
26 Apr - 03 May IndiGo
25 Apr - 02 May Air India
17 Apr - 02 May Air India
16 Apr - 02 May Air India
28 Apr - 03 May IndiGo
24 Apr - 06 May Singapore Airlines direct

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

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