In the free e-guide Informatieboekje Sint Jacobs Route (sorry, it is only available in Dutch) you can find a lot of maps, links etc.
See https://sites.google.com/site/sintjacobsroute/
(See especially §20 in that information book for more useful links)
How to travel from A to B, check always first:
See for all possible flight connections:
http://www.flightconnections.com/
The cheapest flight tickets you can get via:
Where to find accommodation worldwide:
Accommodation sites during your pilgrimage:
The Eroski site:
http://caminodesantiago.consumer.es/
Todos los Caminos de Santiago site:
http://todosloscaminosdesantiago.com/
Gronze site:
Actual pilgrim's hostels site during winter months on the Camino Francés:
http://aprinca.com/alberguesinvierno/
The following links could be useful on your way to Finisterre and/or Muxía:
http://antigo.quepasanacosta.com/busescostadamorte.html
https://sites.google.com/…/sintjacobsrou…/finisterre---muxia
The following link could be useful on the Camino Portugués:
https://sites.google.com/s…/sintjacobsroute/camino-portugues
Network of the trains in France:
http://www.bonjourlafrance.com/france-map/sncf-map-large.htm
train in Spain:
RENFE:
Buses in Spain:
ALSA:
Monbus:
Bus to Porto airport and Porto city center (from the bus station in Vigo - half hour walking from the train station in Vigo):
The Monbus/Castromil bus takes you from the bus station in Santiago de Compostela to the bus station in Vigo or you can take the very good train to Vigo.