Cheapest one-way flights from Boston to Toronto in December from 73€

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

One-Way flights

13 Dec Spirit Airlines
15 Dec Spirit Airlines
07 Dec Porter Airlines (Canada) Ltd
31 Dec Air Canada direct
13 Dec Air Canada direct
07 Dec Air Canada direct
21 Dec Porter Airlines (Canada) Ltd
28 Dec Porter Airlines (Canada) Ltd
27 Dec Porter Airlines (Canada) Ltd
30 Dec Porter Airlines (Canada) Ltd

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

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.