AirHint found the following cheapest return flights from Montreal (YUL) to Porto (OPO) in November 2025 (see full year).

Return flights

30 Nov - 07 Dec	Lufthansa
09 Nov - 16 Nov	FrenchBee
24 Nov - 01 Dec	Azores Airlines
21 Nov - 07 Dec	TAP
05 Nov - 12 Nov	Air France
11 Nov - 18 Nov	KLM
13 Nov - 20 Nov	KLM
19 Nov - 26 Nov	Air France
21 Nov - 28 Nov	Air France
06 Nov - 13 Nov	KLM
18 Nov - 25 Nov	KLM
20 Nov - 27 Nov	KLM
27 Nov - 04 Dec	KLM
26 Nov - 03 Dec	Air France
28 Nov - 05 Dec	TAP
16 Nov - 23 Nov	FrenchBee
29 Nov - 06 Dec	Azores Airlines
30 Nov - 21 Dec	TAP

Also check the deals for one-way flights from Montreal to Porto in November.

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 Montreal to Porto in November from $260

Return flights