Upvote:1
You can book a ferry to Bilbao or Santander from the UK. (Brittany Ferries) Not a very cheap connection though. From there on you only need to drive 9 hours to Lisbon.
Upvote:4
From comments, the focus of your question seems to be on immigration requirements rather than advice on making the trip.
As the non-EU spouse of an EU citizen, your visa application should be processed quickly and free of charge. The mode of travel makes no difference to the application requirements:
Source: https://europa.eu/youreurope/citizens/travel/entry-exit/non-eu-family/index_en.htm
If youβre taking your own car, you should check out information here https://www.gov.uk/driving-abroad