Cheapest return flights from Ottawa to Toronto in September from $202

AirHint found the following cheapest return flights from Ottawa (YOW) to Toronto (YYZ) in September 2026 (see full year).

Return flights

05 Sep - 09 Sep WestJet direct
10 Sep - 24 Sep WestJet direct
27 Sep - 06 Oct WestJet direct
09 Sep - 09 Sep Porter Airlines (Canada) Ltd direct
09 Sep - 30 Sep Porter Airlines (Canada) Ltd direct
09 Sep - 28 Sep Porter Airlines (Canada) Ltd direct
09 Sep - 29 Sep Porter Airlines (Canada) Ltd direct
05 Sep - 07 Sep Porter Airlines (Canada) Ltd direct
05 Sep - 06 Sep Porter Airlines (Canada) Ltd direct
05 Sep - 05 Sep Porter Airlines (Canada) Ltd direct
30 Sep - 30 Sep Porter Airlines (Canada) Ltd direct
30 Sep - 04 Oct Porter Airlines (Canada) Ltd direct
30 Sep - 06 Oct Porter Airlines (Canada) Ltd direct
27 Sep - 04 Oct Porter Airlines (Canada) Ltd direct
30 Sep - 12 Oct Porter Airlines (Canada) Ltd direct
27 Sep - 12 Oct Porter Airlines (Canada) Ltd direct
13 Sep - 04 Oct Porter Airlines (Canada) Ltd direct

Also check the deals for one-way flights from Ottawa to Toronto in September.

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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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