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

Return flights

29 Sep - 06 Oct	Wizz Air Malta
24 Sep - 03 Oct	Wizz Air Malta
24 Sep - 29 Sep	Wizz Air Malta
29 Sep - 02 Oct	Wizz Air Malta
23 Sep - 30 Sep	easyJet
01 Sep - 01 Oct	easyJet
15 Sep - 22 Sep	Wizz Air Malta
17 Sep - 01 Oct	easyJet
24 Sep - 01 Oct	easyJet
15 Sep - 17 Sep	Wizz Air Malta
25 Sep - 30 Sep	Ryanair
04 Sep - 17 Sep	Ryanair
24 Sep - 04 Oct	Wizz Air Malta
27 Sep - 01 Oct	easyJet
29 Sep - 10 Oct	Wizz Air Malta
26 Sep - 29 Sep	Volotea
17 Sep - 24 Sep	Ryanair
17 Sep - 04 Oct	Wizz Air Malta
18 Sep - 22 Sep	Ryanair
16 Sep - 17 Sep	easyJet

Also check the deals for one-way flights from Prague 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 return flights from Prague to Porto in September from $127

Return flights