Cheapest return flights from Boston (BOS) to Toronto (YTZ), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
09 Sep 11 Sep Porter Airlines (Canada) Ltd
Direct Flight
02 Sep 09 Sep Porter Airlines (Canada) Ltd
04 Sep 08 Sep Porter Airlines (Canada) Ltd
Direct Flight
07 Sep 11 Sep Porter Airlines (Canada) Ltd
Direct Flight
21 Sep 28 Sep Porter Airlines (Canada) Ltd
Direct Flight
16 Sep 20 Sep Porter Airlines (Canada) Ltd
Direct Flight
04 Sep 07 Sep Porter Airlines (Canada) Ltd
Direct Flight
02 Sep 08 Sep Porter Airlines (Canada) Ltd
Direct Flight
18 Sep 20 Sep Porter Airlines (Canada) Ltd
Direct Flight
12 Sep 14 Sep Porter Airlines (Canada) Ltd
Direct Flight
29 Sep 13 Oct Porter Airlines (Canada) Ltd
29 Sep 05 Oct Porter Airlines (Canada) Ltd
29 Sep 02 Oct Porter Airlines (Canada) Ltd
29 Sep 04 Oct Porter Airlines (Canada) Ltd
29 Sep 07 Oct Porter Airlines (Canada) Ltd
29 Sep 06 Oct Porter Airlines (Canada) Ltd
29 Sep 16 Oct Porter Airlines (Canada) Ltd
29 Sep 10 Oct Porter Airlines (Canada) Ltd
23 Sep 05 Oct Porter Airlines (Canada) Ltd
23 Sep 02 Oct Porter Airlines (Canada) Ltd
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deals for one-way flights from Boston to Toronto in September.

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Updated Jul 3, 2026.

About these fares

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