How to arrive at the Conference Hotel?

There are affordable European and oversea flight connections to the nearby Porto (Oporto in english) airport (called "Francisco Sá Carneiro"; code OPO). Here is a list of low budget airlines with connections to Porto .
In any case, it is critical to make a flight reservation at your earliest convenience since the flight tickets get considerably more expensive as we are approaching real summer.

When in Porto, you must reach Braga and the Hotel da Falperra. There are several ways to do this:

By taxi
Taking a taxi is the simplest and the fastest way (45 min).
The distance between the Porto airport and Braga is about 50km by road.
Take the taxis at the Airport and try to negotiate a fixed fare. The cost of traveling from the airport to Braga should be around EUR 60,00. If the driver asks you permission to take the highway, you have to pay the respective toll, which is around EUR 3,00.

By metro-train-taxi
One can travel from the Porto airport to Braga by metro and train via the Porto city center:
1. Take the metro to Porto Railway Station "Campanhã". Line E (Violet) goes to "Estadio do Dragão". Exit at Campanhã. The metro ticket should cost you around EUR 2.00. Map with the metro stations in Porto
2. Take a train from the Campanhã train station to Braga. The train ticket should cost you about EUR 2.15. Please check the timetable to choose the schedule that best suits your needs. You can check the journey here
3. Take a taxi from the Braga train station to Hotel da Falperra. The taxi fair should be under EUR 10.00.

Useful links:
Metro do Porto
Comboios de Portugal

By car:
For those who drive to the hotel by car, here are some driving instructions.
When reaching the city of Braga, start looking for signs saying "Bom Jesus" (a landmark church in the hills of Braga). You should follow the signs to Bom Jesus, leading you up hill through some hairpins, and you will start seeing signs pointing you to "Sameiro". Follow these signs to Sameiro until a roundabout where you keep right, in the direction of "Falperra", indicated by signs. Keep following this road until the Hotel da Falperra shows up on your left side, right before a hairpin corner to the right.

If all else fails:
Contact the hotel at (+351) 253 240 700.