Cheapest return flights from Raleigh-durham to Porto in October from 460€

AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Porto (OPO) in October 2025 (see full year).

Return flights

07 Oct - 14 Oct Frontier Airlines
25 Oct - 05 Nov Icelandair

Also check the deals for one-way flights from Raleigh-durham 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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