Cheapest return flights from Ottawa to Toronto in September from 106€

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

Return flights

21 Sep - 03 Oct WestJet direct
10 Sep - 23 Sep WestJet direct
08 Sep - 15 Sep WestJet direct
04 Sep - 07 Sep WestJet direct
25 Sep - 28 Sep WestJet direct
09 Sep - 16 Sep WestJet direct
27 Sep - 27 Sep WestJet direct
11 Sep - 14 Sep WestJet direct
07 Sep - 09 Sep WestJet direct
12 Sep - 16 Sep WestJet direct
10 Sep - 17 Sep WestJet direct
17 Sep - 04 Oct Porter Airlines (Canada) Ltd direct
17 Sep - 02 Oct Porter Airlines (Canada) Ltd direct
17 Sep - 03 Oct Porter Airlines (Canada) Ltd direct
19 Sep - 04 Oct Porter Airlines (Canada) Ltd direct
19 Sep - 02 Oct Porter Airlines (Canada) Ltd direct
19 Sep - 10 Oct Porter Airlines (Canada) Ltd direct
19 Sep - 03 Oct Porter Airlines (Canada) Ltd direct
14 Sep - 04 Oct Porter Airlines (Canada) Ltd direct
14 Sep - 02 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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