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

Return flights

26 Aug - 01 Sep	Ryanair
28 Aug - 01 Sep	Ryanair
28 Aug - 05 Sep	Ryanair
28 Aug - 04 Sep	Ryanair
26 Aug - 29 Aug	Ryanair
29 Aug - 03 Sep	Ryanair
25 Aug - 01 Sep	Ryanair
29 Aug - 02 Sep	Ryanair
31 Aug - 05 Sep	Ryanair
29 Aug - 01 Sep	Ryanair
25 Aug - 29 Aug	Ryanair
31 Aug - 12 Sep	Ryanair
27 Aug - 31 Aug	Ryanair
12 Aug - 21 Aug	Ryanair
13 Aug - 21 Aug	Ryanair
21 Aug - 23 Aug	Ryanair
29 Aug - 31 Aug	Ryanair
24 Aug - 29 Aug	Ryanair
20 Aug - 22 Aug	Ryanair
23 Aug - 26 Aug	Ryanair

Also check the deals for one-way flights from Porto to Budapest 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 Budapest in August from $200

Return flights