AirHint found the following cheapest return flights from Birmingham (BHX) to Porto (OPO) in August 2026 (see full year).

Return flights

27 Aug - 10 Sep	Ryanair
04 Aug - 07 Aug	Ryanair	direct
30 Aug - 12 Sep	Ryanair
30 Aug - 05 Sep	KLM
08 Aug - 12 Aug	Ryanair
30 Aug - 05 Sep	Jet2	direct
30 Aug - 12 Sep	Jet2	direct
08 Aug - 12 Aug	Ryanair	direct
04 Aug - 12 Aug	Ryanair	direct
27 Aug - 05 Sep	Vueling Airlines
04 Aug - 13 Aug	Ryanair
04 Aug - 13 Aug	Ryanair	direct
27 Aug - 12 Sep	Vueling Airlines
30 Aug - 09 Sep	Vueling Airlines
09 Aug - 12 Aug	Vueling Airlines
27 Aug - 09 Sep	Vueling Airlines
27 Aug - 10 Sep	Jet2	direct

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 181€

Return flights