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

Return flights

18 Sep - 25 Sep	WestJet
21 Sep - 24 Sep	WestJet
21 Sep - 28 Sep	WestJet
19 Sep - 12 Oct	WestJet
20 Sep - 13 Oct	Air Transat
26 Sep - 28 Sep	Air Transat
27 Sep - 29 Sep	Air Transat
19 Sep - 26 Sep	WestJet
20 Sep - 26 Sep	Qatar Airways	direct
21 Sep - 28 Sep	Qatar Airways	direct
26 Sep - 28 Sep	Qatar Airways	direct
21 Sep - 24 Sep	Qatar Airways	direct
19 Sep - 12 Oct	Qatar Airways	direct

Also check the deals for one-way flights from Toronto 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 Toronto to Doha in September from $994

Return flights