Cheapest one-way flights from Boston to Toronto in September from 196€

Best time to book flights for Boston (BOS) to Toronto (YTZ) flights at AirHint

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

One-Way flights

19 Sep Porter Airlines (Canada) Ltd direct
29 Sep Porter Airlines (Canada) Ltd direct
30 Sep Porter Airlines (Canada) Ltd
20 Sep Porter Airlines (Canada) Ltd direct
30 Sep Porter Airlines (Canada) Ltd direct

Also check the deals for return flights from Boston to Toronto in September.

Skyscanner

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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