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

Return flights

21 Sep - 26 Sep	Air Canada
23 Sep - 07 Oct	Air Canada
22 Sep - 26 Sep	Air Canada
29 Sep - 25 Oct	Air Transat	direct
29 Sep - 18 Oct	Air Transat	direct
29 Sep - 06 Oct	Air Transat	direct
28 Sep - 18 Oct	Air Transat	direct
28 Sep - 06 Oct	Air Transat	direct
21 Sep - 25 Sep	Air Canada
23 Sep - 29 Sep	Air Canada
23 Sep - 30 Sep	Air Canada
28 Sep - 07 Oct	Air Canada
29 Sep - 07 Oct	Air Canada
30 Sep - 14 Oct	Air Canada
30 Sep - 08 Oct	Air Canada
22 Sep - 30 Sep	Lufthansa
23 Sep - 29 Sep	Air Transat	direct
22 Sep - 30 Sep	Air Transat	direct
19 Sep - 24 Sep	Delta
18 Sep - 27 Sep	Delta

Also check the deals for one-way flights from Toronto to Amsterdam 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 Toronto to Amsterdam in September from 433€

Return flights