Cheapest return flights from Frankfurt to Porto in September from 131€

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

17 Sep - 20 Sep Ryanair direct
24 Sep - 30 Sep Ryanair
13 Sep - 20 Sep Ryanair direct
27 Sep - 15 Oct Ryanair direct
13 Sep - 17 Sep Ryanair direct
10 Sep - 20 Sep Ryanair direct
06 Sep - 11 Sep Ryanair
10 Sep - 17 Sep Ryanair direct
27 Sep - 04 Oct Ryanair
16 Sep - 20 Sep Ryanair
24 Sep - 04 Oct Ryanair direct
23 Sep - 30 Sep Ryanair
03 Sep - 20 Sep Ryanair direct
13 Sep - 04 Oct Ryanair direct
27 Sep - 04 Oct Ryanair direct
18 Sep - 06 Oct Ryanair
29 Sep - 04 Oct Lufthansa
26 Sep - 03 Oct Lufthansa
18 Sep - 06 Oct Lufthansa 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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