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

Return flights

16 Sep - 23 Sep	IndiGo
29 Sep - 06 Oct	Air India
19 Sep - 26 Sep	IndiGo
04 Sep - 10 Sep	Air India
04 Sep - 11 Sep	Air India
01 Sep - 08 Sep	Air India
09 Sep - 16 Sep	IndiGo
08 Sep - 09 Oct	Etihad Airways
01 Sep - 13 Sep	Gulf Air
01 Sep - 02 Sep	IndiGo
09 Sep - 16 Sep	Qatar Airways	direct
04 Sep - 11 Sep	Qatar Airways	direct
08 Sep - 09 Oct	Qatar Airways	direct
29 Sep - 06 Oct	Qatar Airways	direct

Also check the deals for one-way flights from Singapore to Doha 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 Singapore to Doha in September from 360€

Return flights