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

Return flights

15 Sep - 07 Oct	Ryanair
15 Sep - 09 Oct	Icelandair
29 Sep - 18 Oct	Icelandair
14 Sep - 06 Oct	Icelandair
12 Sep - 23 Sep	Icelandair
18 Sep - 21 Sep	Icelandair
15 Sep - 01 Oct	Ryanair
04 Sep - 21 Sep	Ryanair
19 Sep - 29 Sep	Ryanair
24 Sep - 29 Sep	Ryanair
16 Sep - 14 Oct	Ryanair
19 Sep - 30 Sep	Ryanair
15 Sep - 05 Oct	Ryanair
15 Sep - 30 Sep	Icelandair
09 Sep - 30 Sep	Icelandair
22 Sep - 30 Sep	Icelandair
17 Sep - 23 Sep	Ryanair
30 Sep - 21 Oct	Icelandair
26 Sep - 05 Oct	Icelandair
27 Sep - 16 Oct	Icelandair

Also check the deals for one-way flights from Frankfurt 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.

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Cheapest return flights from Frankfurt to Toronto in September from 383€

Return flights