Travelfree.info have found some cheap flights over Air France flying from Berlin to Brasilia – the capital of Brasil.
Roundtrip by Air France with stop over in Paris. The ticket price includes baggage up to 23 kg. There a lot of terms from February to May 2015.
Travel dates: February – May
There are some great accommodation options listed on booking.com or if you are interested in booking apartment or room then visit airbnb.com (YOU WILL GET € 20 BONUS CREDIT FOR ACCOMMODATION after registration).
Have a look at Trip Advisor when planning your holiday to find out whats hot and whats not when it comes to all the local attractions.
To know more about Porto, you can visit and read more in Wikipedia here
To check more information about flight, check exmaple screenshot below: