AirHint found the following cheapest return flights from St. John (YSJ) to Toronto (YYZ) in September 2025 (see full year).

Return flights

29 Sep - 03 Oct	Flair Airlines	direct
26 Sep - 29 Sep	Flair Airlines	direct
30 Sep - 07 Oct	Air Canada	direct
30 Sep - 14 Oct	Air Canada	direct
28 Sep - 23 Oct	Air Canada
28 Sep - 05 Oct	Air Canada	direct
19 Sep - 28 Sep	Flair Airlines
21 Sep - 28 Sep	Air Canada	direct
17 Sep - 21 Sep	Privilege Style
19 Sep - 28 Sep	Air Canada	direct
20 Sep - 21 Sep	Air Canada	direct
20 Sep - 22 Sep	Air Canada	direct
17 Sep - 21 Sep	Air Canada	direct

Also check the deals for one-way flights from St. John to Toronto in September.

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

Cheapest return flights from St. John to Toronto in September from $176

Return flights