Cheapest return flights from Toronto to Boston in May from $230

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

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

Return flights

08 May - 12 May Porter Airlines (Canada) Ltd
08 May - 12 May Porter Airlines (Canada) Ltd direct
19 May - 26 May Porter Airlines (Canada) Ltd
22 May - 26 May Porter Airlines (Canada) Ltd direct
11 May - 25 May Porter Airlines (Canada) Ltd direct
08 May - 11 May Porter Airlines (Canada) Ltd
23 May - 26 May Porter Airlines (Canada) Ltd direct
01 May - 05 May Porter Airlines (Canada) Ltd direct
19 May - 22 May Porter Airlines (Canada) Ltd
23 May - 25 May Porter Airlines (Canada) Ltd direct
22 May - 08 Jun Porter Airlines (Canada) Ltd direct
29 May - 08 Jun Porter Airlines (Canada) Ltd direct
23 May - 08 Jun Porter Airlines (Canada) Ltd direct
26 May - 08 Jun Porter Airlines (Canada) Ltd direct
19 May - 08 Jun Porter Airlines (Canada) Ltd direct
27 May - 08 Jun Porter Airlines (Canada) Ltd direct
22 May - 12 Jun Porter Airlines (Canada) Ltd direct
22 May - 05 Jun Porter Airlines (Canada) Ltd direct
22 May - 03 Jun Porter Airlines (Canada) Ltd direct
29 May - 14 Jun Porter Airlines (Canada) Ltd direct

Also check the deals for one-way 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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