Cheapest return flights from Boston to Toronto in May from 285€

AirHint found the following cheapest return flights from Boston (BOS) to Toronto (YTZ) in May 2026 (see full year).

Return flights

05 May - 08 May jetBlue
01 May - 13 May Porter Airlines (Canada) Ltd direct
15 May - 20 May Porter Airlines (Canada) Ltd
01 May - 20 May Porter Airlines (Canada) Ltd direct
15 May - 03 Jun Porter Airlines (Canada) Ltd direct
09 May - 13 May Porter Airlines (Canada) Ltd direct
01 May - 08 May Porter Airlines (Canada) Ltd direct
05 May - 13 May Porter Airlines (Canada) Ltd direct
10 May - 13 May Porter Airlines (Canada) Ltd direct
09 May - 20 May Porter Airlines (Canada) Ltd direct
15 May - 20 May Porter Airlines (Canada) Ltd direct

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

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