Cheapest one-way flights from Boston to Toronto in May from 101€

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

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

One-Way flights

27 May Porter Airlines (Canada) Ltd direct
11 May Porter Airlines (Canada) Ltd direct
12 May Porter Airlines (Canada) Ltd direct
25 May Porter Airlines (Canada) Ltd direct
05 May Porter Airlines (Canada) Ltd direct
02 May Porter Airlines (Canada) Ltd direct
06 May Porter Airlines (Canada) Ltd direct
04 May Porter Airlines (Canada) Ltd direct
16 May Porter Airlines (Canada) Ltd direct
22 May Porter Airlines (Canada) Ltd direct

Also check the deals for return flights from Boston to Toronto in May.

Skyscanner

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