AirHint found the following cheapest return flights from Frankfurt (FRA) to Porto (OPO) in May 2026 (see full year).

Return flights

05 May - 09 May	Ryanair
09 May - 16 May	Air Europa
11 May - 16 May	Air Europa
14 May - 31 May	Ryanair
21 May - 28 May	Lufthansa	direct
11 May - 18 May	Iberia
11 May - 18 May	Lufthansa	direct
11 May - 16 May	Lufthansa	direct
09 May - 16 May	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt to Porto in May.

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 Frankfurt to Porto in May from 176€

Return flights