AirHint found the following cheapest one-way flights from Paris (ORY) to Porto (OPO) in September 2025 (see full year).

One-Way flights

02 Sep	Vueling Airlines	direct
15 Sep	Transavia France	direct
23 Sep	Transavia France	direct
18 Sep	Transavia France	direct
24 Sep	Transavia France	direct
11 Sep	Transavia France	direct
04 Sep	Transavia France	direct
03 Sep	Transavia France	direct
08 Sep	easyJet	direct
22 Sep	easyJet	direct

Also check the deals for return flights from Paris to Porto in September.

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 one-way flights from Paris to Porto in September from $36

One-Way flights