Cheapest return flights from Boston to Toronto in May from 243€

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

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

Return flights

27 May - 27 May Porter Airlines (Canada) Ltd direct
27 May - 31 May Porter Airlines (Canada) Ltd direct
11 May - 27 May Porter Airlines (Canada) Ltd direct
12 May - 27 May Porter Airlines (Canada) Ltd direct
25 May - 27 May Porter Airlines (Canada) Ltd direct
06 May - 27 May Porter Airlines (Canada) Ltd direct
27 May - 04 Jun Porter Airlines (Canada) Ltd direct
27 May - 12 Jun Porter Airlines (Canada) Ltd direct
27 May - 13 Jun Porter Airlines (Canada) Ltd direct
27 May - 01 Jun Porter Airlines (Canada) Ltd
11 May - 21 May Porter Airlines (Canada) Ltd direct
11 May - 17 May Porter Airlines (Canada) Ltd direct
12 May - 21 May Porter Airlines (Canada) Ltd direct
12 May - 17 May Porter Airlines (Canada) Ltd direct
25 May - 04 Jun Porter Airlines (Canada) Ltd direct
25 May - 12 Jun Porter Airlines (Canada) Ltd direct
25 May - 13 Jun Porter Airlines (Canada) Ltd direct
11 May - 01 Jun Porter Airlines (Canada) Ltd
12 May - 01 Jun Porter Airlines (Canada) Ltd
25 May - 01 Jun Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Boston to Toronto 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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