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

Return flights

20 Oct - 04 Nov	TAP
22 Oct - 04 Nov	TAP
20 Oct - 06 Nov	TAP
21 Oct - 06 Nov	Avianca
21 Oct - 04 Nov	Avianca
20 Oct - 05 Nov	TAP
22 Oct - 06 Nov	TAP
23 Oct - 06 Nov	Avianca
23 Oct - 04 Nov	LATAM Airlines Group
22 Oct - 05 Nov	TAP

Also check the deals for one-way flights from Manaus 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 Manaus to Porto in October from 803€

Return flights