Cheapest return flights from Frankfurt to Porto in September from $150

Best time to book flights for Frankfurt (FRA) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Frankfurt (FRA) to Porto (OPO) in September 2025 (see full year).

Return flights

03 Sep - 17 Sep Ryanair direct
03 Sep - 18 Sep Ryanair direct
17 Sep - 18 Sep Ryanair direct
25 Sep - 02 Oct Ryanair
03 Sep - 04 Sep Ryanair direct
25 Sep - 02 Oct Ryanair direct
17 Sep - 02 Oct Ryanair direct
08 Sep - 17 Sep Ryanair direct
08 Sep - 18 Sep Ryanair direct
03 Sep - 08 Sep Ryanair
20 Sep - 24 Sep Air Europa
03 Sep - 08 Sep Ryanair direct
17 Sep - 04 Oct Ryanair direct
17 Sep - 06 Oct Ryanair direct
03 Sep - 06 Sep Ryanair direct

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

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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