Cheapest return flights from Toronto to Thunder Bay in September from $195

AirHint found the following cheapest return flights from Toronto (YTZ) to Thunder Bay (YQT) in September 2025 (see full year).

Return flights

25 Sep - 22 Oct Porter Airlines (Canada) Ltd
30 Sep - 07 Oct Porter Airlines (Canada) Ltd
25 Sep - 21 Oct Porter Airlines (Canada) Ltd
30 Sep - 18 Oct Porter Airlines (Canada) Ltd direct
30 Sep - 19 Oct Porter Airlines (Canada) Ltd direct
30 Sep - 21 Oct Porter Airlines (Canada) Ltd direct
25 Sep - 16 Oct Porter Airlines (Canada) Ltd
30 Sep - 15 Oct Porter Airlines (Canada) Ltd direct
24 Sep - 01 Oct Porter Airlines (Canada) Ltd
30 Sep - 30 Sep Porter Airlines (Canada) Ltd direct
30 Sep - 01 Oct Porter Airlines (Canada) Ltd direct
25 Sep - 28 Sep Porter Airlines (Canada) Ltd
25 Sep - 29 Sep Porter Airlines (Canada) Ltd
29 Sep - 30 Sep Porter Airlines (Canada) Ltd direct
24 Sep - 30 Sep Porter Airlines (Canada) Ltd direct
25 Sep - 30 Sep Porter Airlines (Canada) Ltd direct
23 Sep - 30 Sep Porter Airlines (Canada) Ltd direct
26 Sep - 30 Sep Porter Airlines (Canada) Ltd direct
27 Sep - 30 Sep Porter Airlines (Canada) Ltd direct
25 Sep - 27 Sep Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Toronto to Thunder Bay 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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