The cheapest flight to Berlin you can get by boooking 48 days before departure.
The most popular airlines on the route Porto - Berlin: Ryanair (FR), TAP Air Portugal (TP), Air France (AF).
The cheapest flights you can book on the route Francisco de Sa Carneiro (OPO) - Schonefeld (SXF).
Direct flights last about 3h 15min.
Direct flights available 4 days a week - Monday, Wednesday, Friday, Sunday.
Direct flights: Ryanair (FR).