Cheapest return flights from Montreal to Porto in October from $430

Best time to book flights for Montreal (YUL) to Porto (OPO) flights at AirHint

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

Return flights

01 Oct - 08 Oct TAP
13 Oct - 20 Oct TAP
15 Oct - 22 Oct TAP
23 Oct - 26 Oct TAP
09 Oct - 16 Oct TAP
16 Oct - 23 Oct TAP
16 Oct - 24 Oct TAP
02 Oct - 23 Oct TAP
02 Oct - 24 Oct TAP
01 Oct - 23 Oct TAP
27 Oct - 03 Nov Azores Airlines
29 Oct - 05 Nov TAP
31 Oct - 07 Nov TAP
28 Oct - 04 Nov TAP
30 Oct - 06 Nov TAP
26 Oct - 02 Nov FrenchBee

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

Skyscanner

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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