AirHint found the following cheapest one-way flights from Toronto (YTZ) to Halifax (YHZ) in September 2025 (see full year).

One-Way flights

27 Sep	Porter Airlines (Canada) Ltd
29 Sep	Porter Airlines (Canada) Ltd
30 Sep	Porter Airlines (Canada) Ltd	direct
22 Sep	Porter Airlines (Canada) Ltd
25 Sep	Porter Airlines (Canada) Ltd
23 Sep	Porter Airlines (Canada) Ltd
23 Sep	Porter Airlines (Canada) Ltd	direct
28 Sep	Porter Airlines (Canada) Ltd	direct
27 Sep	Porter Airlines (Canada) Ltd	direct
20 Sep	Porter Airlines (Canada) Ltd	direct

Also check the deals for return flights from Toronto to Halifax 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 one-way flights from Toronto to Halifax in September from $107

One-Way flights