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

Return flights

23 Sep - 28 Sep	Air Canada
22 Sep - 28 Sep	Air Canada
30 Sep - 31 Oct	Condor	direct
30 Sep - 05 Oct	Air Canada
30 Sep - 24 Oct	Air Canada
30 Sep - 07 Oct	Air Transat
30 Sep - 24 Oct	Condor	direct
30 Sep - 09 Oct	Air Transat
23 Sep - 30 Sep	Porter Airlines (Canada) Ltd
28 Sep - 15 Oct	Condor	direct
29 Sep - 13 Oct	Brussels Airlines
30 Sep - 14 Oct	Condor	direct
23 Sep - 07 Oct	British Airways
17 Sep - 24 Sep	WestJet
17 Sep - 21 Sep	WestJet
17 Sep - 22 Sep	WestJet
17 Sep - 25 Sep	WestJet
21 Sep - 26 Sep	Porter Airlines (Canada) Ltd
22 Sep - 29 Sep	WestJet
25 Sep - 29 Sep	WestJet

Also check the deals for one-way flights from Toronto to Frankfurt 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 Frankfurt

Cheap car rent in Frankfurt

Cheapest return flights from Toronto to Frankfurt in September from 483€

Return flights