Cheapest return flights from Boston to Toronto in March from $390

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

Return flights

20 Mar - 22 Mar Porter Airlines (Canada) Ltd direct
06 Mar - 12 Mar Porter Airlines (Canada) Ltd direct
15 Mar - 19 Mar Air Transat direct
21 Mar - 22 Mar Porter Airlines (Canada) Ltd direct
06 Mar - 15 Mar Porter Airlines (Canada) Ltd direct
21 Mar - 06 Apr Porter Airlines (Canada) Ltd direct
06 Mar - 22 Mar Porter Airlines (Canada) Ltd direct
20 Mar - 06 Apr Porter Airlines (Canada) Ltd direct

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

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