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

Return flights

29 Oct - 05 Nov	Iberia
30 Oct - 06 Nov	Iberia
20 Oct - 15 Nov	TAP
27 Oct - 22 Nov	TAP
31 Oct - 07 Nov	British Airways
28 Oct - 04 Nov	Iberia
21 Oct - 15 Nov	Air Transat
27 Oct - 03 Nov	British Airways
31 Oct - 22 Nov	Air Transat	direct
13 Oct - 08 Nov	TAP
07 Oct - 14 Oct	WestJet
13 Oct - 20 Oct	WestJet
10 Oct - 20 Oct	Condor
19 Oct - 22 Oct	Air Canada
10 Oct - 21 Oct	Condor
15 Oct - 22 Oct	WestJet
23 Oct - 30 Oct	Air Canada
24 Oct - 31 Oct	Air Canada
16 Oct - 23 Oct	TAP
21 Oct - 28 Oct	WestJet

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

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.

Book a cheap hotel in Porto

Cheap car rent in Porto

Cheapest return flights from Toronto to Porto in October from 283€

Return flights