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

Return flights

18 Sep - 25 Sep	IndiGo
25 Sep - 29 Sep	IndiGo
22 Sep - 25 Sep	IndiGo
15 Sep - 22 Sep	IndiGo
18 Sep - 22 Sep	IndiGo
19 Sep - 22 Sep	IndiGo
24 Sep - 30 Sep	IndiGo
03 Sep - 17 Sep	IndiGo
16 Sep - 23 Sep	IndiGo
06 Sep - 10 Sep	IndiGo
29 Sep - 03 Oct	IndiGo
25 Sep - 05 Oct	IndiGo
25 Sep - 04 Oct	IndiGo
24 Sep - 01 Oct	IndiGo
28 Sep - 02 Oct	IndiGo
26 Sep - 04 Oct	IndiGo
27 Sep - 02 Oct	IndiGo
22 Sep - 09 Oct	IndiGo
29 Sep - 18 Oct	IndiGo
30 Sep - 17 Oct	IndiGo

Also check the deals for one-way flights from Abu Dhabi 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 Abu Dhabi to Singapore in September from 239€

Return flights