Just see this Poole to Tangier, flying is still cheap but its the hassle involved . Getting to the airport, from the airport and making sure your bike is fit to travel( good case /box and within the allowance ) along with panniers etc. and somewhere to store boxes if on a circular tour. Has anyone been on this ferry. Another option for us is Bilbao ( Portsmouth to Bilbao appears to exclude bicycles ) but Rosslare in Ireland looks good for bikes. Its the start of a trans Iberian bikepacking route to Seville.