Cheapest return flights from Boston to Toronto in June from $250

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

AirHint found the following cheapest return flights from Boston (BOS) to Toronto (YYZ) in June 2025 (see full year).

Return flights

13 Jun - 15 Jun Spirit Airlines
18 Jun - 22 Jun Spirit Airlines
20 Jun - 25 Jun Spirit Airlines
11 Jun - 14 Jun Spirit Airlines
02 Jun - 06 Jun Spirit Airlines
27 Jun - 29 Jun Air Canada direct
22 Jun - 29 Jun Air Canada direct
10 Jun - 11 Jun Air Canada direct
20 Jun - 29 Jun Air Canada direct
05 Jun - 12 Jun Air Canada direct

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

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