Cheapest return flights from Boston to Toronto in May from 177€

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

Return flights

27 May - 02 Jun Porter Airlines (Canada) Ltd direct
26 May - 02 Jun Porter Airlines (Canada) Ltd direct
20 May - 24 May Porter Airlines (Canada) Ltd direct
29 May - 31 May Porter Airlines (Canada) Ltd direct
28 May - 29 May Porter Airlines (Canada) Ltd direct
17 May - 29 May Porter Airlines (Canada) Ltd direct
19 May - 29 May Porter Airlines (Canada) Ltd direct
17 May - 22 May Porter Airlines (Canada) Ltd direct
27 May - 29 May Porter Airlines (Canada) Ltd direct
20 May - 29 May Porter Airlines (Canada) Ltd direct
28 May - 07 Jun Porter Airlines (Canada) Ltd direct
28 May - 02 Jun Porter Airlines (Canada) Ltd direct
17 May - 07 Jun Porter Airlines (Canada) Ltd direct
17 May - 02 Jun Porter Airlines (Canada) Ltd direct
23 May - 07 Jun Porter Airlines (Canada) Ltd direct
23 May - 02 Jun Porter Airlines (Canada) Ltd direct
28 May - 14 Jun Porter Airlines (Canada) Ltd direct
28 May - 11 Jun Porter Airlines (Canada) Ltd direct
04 May - 22 May Air Canada direct
19 May - 22 May Porter Airlines (Canada) Ltd direct

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

Powered by

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.

Book a cheap hotel in Toronto

Cheap car rent in Toronto

Feel free to contact us with any feedback or request another flight research.