Cheapest one-way flights from Toronto to Boston in May from $132

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

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

One-Way flights

13 May Porter Airlines (Canada) Ltd direct
01 May Porter Airlines (Canada) Ltd direct
02 May Porter Airlines (Canada) Ltd direct
03 May Porter Airlines (Canada) Ltd direct
08 May Porter Airlines (Canada) Ltd direct
27 May Porter Airlines (Canada) Ltd direct
23 May Porter Airlines (Canada) Ltd direct
26 May Porter Airlines (Canada) Ltd direct
09 May Porter Airlines (Canada) Ltd direct
11 May Porter Airlines (Canada) Ltd direct

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

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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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