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

Return flights

18 Sep - 23 Oct	China Southern
06 Sep - 20 Sep	China Southern
12 Sep - 10 Oct	China Southern
18 Sep - 30 Sep	China Southern
17 Sep - 30 Sep	China Southern
13 Sep - 04 Oct	SriLankan Airlines
06 Sep - 27 Sep	China Southern
18 Sep - 23 Oct	Qatar Airways	direct
06 Sep - 20 Sep	Qatar Airways	direct
13 Sep - 04 Oct	Qatar Airways	direct
18 Sep - 30 Sep	Qatar Airways	direct
17 Sep - 30 Sep	Qatar Airways	direct
17 Sep - 11 Oct	Virgin Australia
25 Sep - 15 Oct	China Southern

Also check the deals for one-way flights from Sydney 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 Sydney to Doha in September from $975

Return flights