Cheapest one-way flights from Boston to Toronto in August from $143

AirHint found the following cheapest one-way flights from Boston (BOS) to Toronto (YYZ) in August 2026 (see full year).

One-Way flights

05 Aug Spirit Airlines
23 Aug Porter Airlines (Canada) Ltd
01 Aug Porter Airlines (Canada) Ltd
16 Aug Porter Airlines (Canada) Ltd
02 Aug Porter Airlines (Canada) Ltd
08 Aug Porter Airlines (Canada) Ltd
15 Aug Porter Airlines (Canada) Ltd
28 Aug Porter Airlines (Canada) Ltd
20 Aug WestJet
12 Aug Porter Airlines (Canada) Ltd

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

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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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