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

Return flights

30 Aug - 19 Sep	Ryanair	direct
29 Aug - 13 Sep	Ryanair	direct
30 Aug - 13 Sep	Ryanair	direct
29 Aug - 06 Sep	Ryanair	direct
30 Aug - 06 Sep	Ryanair	direct
25 Aug - 13 Sep	Ryanair	direct
30 Aug - 07 Sep	Ryanair
29 Aug - 04 Sep	Ryanair
30 Aug - 02 Sep	Ryanair
30 Aug - 05 Sep	Ryanair	direct
05 Aug - 09 Aug	Ryanair
04 Aug - 09 Aug	easyJet
07 Aug - 09 Aug	Ryanair
05 Aug - 07 Aug	easyJet
04 Aug - 08 Aug	Ryanair
25 Aug - 29 Aug	Ryanair
04 Aug - 07 Aug	Ryanair
08 Aug - 09 Aug	Ryanair	direct
03 Aug - 06 Aug	Jet2
03 Aug - 09 Aug	Jet2

Also check the deals for one-way flights from Birmingham to Porto 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 Birmingham to Porto in August from $77

Return flights