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

Return flights

21 Oct - 25 Nov	Ryanair
26 Oct - 29 Oct	Ryanair
26 Oct - 08 Nov	transavia	direct
26 Oct - 04 Nov	transavia
28 Oct - 11 Nov	easyJet
07 Oct - 14 Oct	Ryanair
25 Oct - 04 Nov	transavia
20 Oct - 29 Oct	transavia
22 Oct - 29 Oct	transavia
31 Oct - 08 Nov	Ryanair
28 Oct - 04 Nov	Ryanair
22 Oct - 04 Nov	transavia
21 Oct - 28 Oct	transavia	direct
26 Oct - 30 Oct	transavia	direct
07 Oct - 21 Oct	Ryanair
13 Oct - 11 Nov	transavia	direct
14 Oct - 04 Nov	Ryanair
07 Oct - 13 Oct	Ryanair
25 Oct - 31 Oct	TAP
28 Oct - 31 Oct	TAP

Also check the deals for one-way flights from Amsterdam 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.

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Cheapest return flights from Amsterdam to Porto in October from $121

Return flights