AirHint found the following cheapest return flights from Montreal (YUL) to Porto (OPO) in April 2026 (see full year).

Return flights

06 Apr - 13 Apr	TAP
08 Apr - 15 Apr	TAP
10 Apr - 17 Apr	TAP
12 Apr - 19 Apr	TAP
20 Apr - 27 Apr	TAP
22 Apr - 29 Apr	TAP
01 Apr - 08 Apr	TAP
03 Apr - 10 Apr	TAP
13 Apr - 20 Apr	TAP
15 Apr - 22 Apr	TAP
24 Apr - 01 May	TAP
26 Apr - 03 May	TAP
27 Apr - 04 May	TAP
29 Apr - 06 May	TAP
25 Apr - 02 May	Azores Airlines
30 Apr - 07 May	Azores Airlines
28 Apr - 05 May	KLM

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

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 April from $616

Return flights