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

Return flights

28 Aug - 08 Sep	easyJet
28 Aug - 04 Sep	KLM
24 Aug - 04 Sep	KLM
26 Aug - 03 Sep	easyJet
27 Aug - 17 Sep	Vueling Airlines
28 Aug - 12 Sep	Ryanair
26 Aug - 09 Sep	Vueling Airlines
26 Aug - 10 Sep	Vueling Airlines
26 Aug - 15 Sep	Vueling Airlines
21 Aug - 09 Sep	Vueling Airlines
03 Aug - 08 Aug	Ryanair
21 Aug - 26 Aug	Ryanair
04 Aug - 06 Aug	Vueling Airlines
01 Aug - 07 Aug	Ryanair
05 Aug - 07 Aug	Ryanair
26 Aug - 27 Aug	Vueling Airlines
07 Aug - 14 Aug	Ryanair
03 Aug - 06 Aug	Ryanair
08 Aug - 12 Aug	Eurowings
21 Aug - 28 Aug	Vueling Airlines

Also check the deals for one-way flights from Hamburg 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 Hamburg to Porto in August from 177€

Return flights