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

Return flights

27 Aug - 02 Sep	Ryanair
27 Aug - 01 Sep	Ryanair
06 Aug - 13 Aug	Ryanair
26 Aug - 29 Aug	Ryanair
13 Aug - 20 Aug	Ryanair
01 Aug - 15 Aug	KLM
19 Aug - 22 Aug	Ryanair
31 Aug - 04 Sep	Ryanair
01 Aug - 04 Aug	Ryanair
05 Aug - 12 Aug	Ryanair
06 Aug - 11 Aug	Ryanair
06 Aug - 12 Aug	Ryanair
08 Aug - 12 Aug	Ryanair
30 Aug - 03 Sep	Norwegian Air Sweden AOC
30 Aug - 13 Sep	Ryanair
27 Aug - 17 Sep	Vueling Airlines
26 Aug - 02 Sep	Vueling Airlines
30 Aug - 20 Sep	Vueling Airlines
26 Aug - 01 Sep	Vueling Airlines
27 Aug - 08 Sep	Vueling Airlines

Also check the deals for one-way flights from Porto to Prague in August.

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 Porto to Prague in August from 211€

Return flights