Cheapest return flights from Toronto to Lisbon in September from $519

AirHint found the following cheapest return flights from Toronto (YTZ) to Lisbon (LIS) in September 2025 (see full year).

Return flights

21 Sep - 25 Sep Air Transat
20 Sep - 30 Sep Air Transat
20 Sep - 02 Oct Air Transat
26 Sep - 06 Oct Air Transat
16 Sep - 23 Sep Air Transat
22 Sep - 29 Sep Air Transat
26 Sep - 29 Sep Air Transat
27 Sep - 08 Oct Air Transat
30 Sep - 08 Oct Air Transat
24 Sep - 29 Sep Porter Airlines (Canada) Ltd
28 Sep - 08 Oct Air Transat
29 Sep - 08 Oct Air Transat
21 Sep - 27 Sep Air Transat
20 Sep - 27 Sep Air Transat
30 Sep - 09 Oct Air Transat
27 Sep - 07 Oct Air Transat
23 Sep - 10 Oct Air Transat
28 Sep - 05 Oct Air Transat
26 Sep - 30 Sep Porter Airlines (Canada) Ltd
17 Sep - 22 Sep Porter Airlines (Canada) Ltd

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

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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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