Cheapest one-way flights from Toronto to Boston in May from $191

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

One-Way flights

29 May Porter Airlines (Canada) Ltd direct
24 May Porter Airlines (Canada) Ltd
24 May Porter Airlines (Canada) Ltd direct
13 May Porter Airlines (Canada) Ltd direct
30 May Porter Airlines (Canada) Ltd direct
07 May Porter Airlines (Canada) Ltd direct

Also check the deals for return flights from Toronto to Boston 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 Boston

Cheap car rent in Boston

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