AirHint found the following cheapest return flights from Bremen (BRE) to Porto (OPO) in December 2025 (see full year).

Return flights

10 Dec - 13 Dec	Ryanair
06 Dec - 10 Dec	Ryanair
15 Dec - 17 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
04 Dec - 07 Dec	Ryanair
01 Dec - 07 Dec	Ryanair
05 Dec - 07 Dec	Ryanair
17 Dec - 24 Dec	Lufthansa
18 Dec - 10 Jan	Ryanair
27 Dec - 10 Jan	KLM
24 Dec - 31 Jan	KLM
31 Dec - 01 Jan	Ryanair
21 Dec - 07 Jan	Ryanair
29 Dec - 01 Jan	Ryanair
28 Dec - 29 Dec	KLM
26 Dec - 30 Dec	KLM
18 Dec - 05 Jan	Ryanair
30 Dec - 01 Jan	KLM
21 Dec - 01 Jan	Ryanair
20 Dec - 10 Jan	Ryanair

Also check the deals for one-way flights from Bremen to Porto in December.

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 Bremen to Porto in December from $165

Return flights