Hello Kelly,
It sounds like a wonderful plan to visit Europe and us here in Ireland during the winter time!
Which ferries have you contacted so far, as I would be surprised if they didn't allow foot passengers at any time of the year?
As an alternative, there are indeed several locations to fly from to make your way into Ireland as a start to your Irish adventure.
Where will you be touring once you make it to the island of Ireland? We have several excellent
trip ideas pages to help you plan your itinerary.
I'm sure our Industry partners and fellow members will have some advice also.
Speak soon,
Martin