AirHint found the following cheapest return flights from Amsterdam (AMS) to Singapore (SIN) in September 2025 (see full year).

Return flights

19 Sep - 23 Sep	IndiGo
01 Sep - 11 Sep	IndiGo
15 Sep - 02 Oct	IndiGo
19 Sep - 30 Sep	IndiGo
08 Sep - 25 Sep	Etihad Airways
02 Sep - 17 Sep	Etihad Airways
08 Sep - 02 Oct	Etihad Airways
12 Sep - 25 Sep	IndiGo
24 Sep - 02 Oct	Etihad Airways
04 Sep - 11 Sep	Etihad Airways
27 Sep - 12 Oct	Pegasus Airlines
15 Sep - 30 Sep	IndiGo
15 Sep - 27 Sep	IndiGo
25 Sep - 09 Oct	Etihad Airways
19 Sep - 25 Sep	IndiGo
26 Sep - 07 Oct	Pegasus Airlines
19 Sep - 30 Oct	Pegasus Airlines
19 Sep - 29 Oct	IndiGo
23 Sep - 13 Oct	Pegasus Airlines
18 Sep - 02 Oct	Etihad Airways

Also check the deals for one-way flights from Amsterdam to Singapore in September.

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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Cheapest return flights from Amsterdam to Singapore in September from 516€

Return flights