Cheapest return flights from Toronto to Lisbon in December from $418

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

Return flights

02 Dec - 09 Dec Air Transat
03 Dec - 11 Dec Air Transat
01 Dec - 15 Dec Air Transat
02 Dec - 11 Dec Air Transat
05 Dec - 11 Dec Air Transat
05 Dec - 20 Dec Air Transat
15 Dec - 22 Dec Porter Airlines (Canada) Ltd
15 Dec - 30 Dec Air Transat
29 Dec - 24 Jan Air Transat
01 Dec - 27 Dec Porter Airlines (Canada) Ltd
30 Dec - 24 Jan Air Canada
30 Dec - 22 Jan Air Canada
25 Dec - 10 Jan Air Transat
25 Dec - 17 Jan Air Transat
31 Dec - 24 Jan Porter Airlines (Canada) Ltd
17 Dec - 10 Jan Porter Airlines (Canada) Ltd
18 Dec - 10 Jan Air Transat
31 Dec - 10 Jan Porter Airlines (Canada) Ltd
26 Dec - 30 Dec Air Transat
29 Dec - 05 Jan Air Transat

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

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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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