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

Return flights

13 Aug - 20 Aug	TAP
13 Aug - 16 Aug	TAP
06 Aug - 09 Aug	TAP
20 Aug - 23 Aug	TAP
27 Aug - 30 Aug	TAP
27 Aug - 01 Sep	Vueling Airlines
07 Aug - 12 Aug	Ryanair
07 Aug - 14 Aug	Ryanair
01 Aug - 31 Aug	Ryanair
14 Aug - 25 Aug	Ryanair
22 Aug - 27 Aug	Wizz Air Malta
29 Aug - 06 Sep	Ryanair
31 Aug - 20 Sep	Vueling Airlines
27 Aug - 02 Sep	Vueling Airlines
31 Aug - 06 Sep	Vueling Airlines
27 Aug - 17 Sep	Vueling Airlines
30 Aug - 03 Sep	Vueling Airlines
30 Aug - 20 Sep	Vueling Airlines
27 Aug - 09 Sep	Vueling Airlines
30 Aug - 02 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 151€

Return flights