As sorting next years trip, i also phoned up P&O to price 2014 sailings from Europort/Zeebrugge to Hull. Pride of Hull, sailings at 8pm, dinner and breakfast, 4 berth cabin and 4 bikes. Cost is £77 per person inc bike. Bargain. When phoning up, just book 1 person and add how many bikes, then add extra people on. DO NOT USE the online quote, it's dearer. cheers.
that is a cracking deal - deduct ferry / tunnel at £30, fuel up from Dover to North West at £35 - £40 = bargain