Transfer of 2 back to back cruises?

With the reduction of the prices of Caribbean cruises we are considering transferring our back to back cruises to the previous day in each case to give us an extra day in the Caribbean and probably a slightly better cabin as I realise you have to transfer to a more expensive grade.(So 14 and 14 nights rather than 14 and 13)I realise there is an admin fee to pay but I wonder if anyone knows if we would have to pay that once or twice as 2 cruises are involved.As one of the cruises is a translantic there is only one flight but we have booked premium economy flying from Manchester.Would we be able to transfer that to the new cruise and would that be at extra cost?I have e mailed P and O with these enquiries but as they take ages to reply I thought I would ask on here to see if anyone has done anything similar particularly as there are only 2 premium seats left from Mancheser on the previous day so want to make a decision a.s.a.p

With the reduction of the prices of Caribbean cruises we are considering transferring our back to back cruises to the previous day in each case to give us an extra day in the Caribbean and probably a slightly better cabin as I realise you have to transfer to a more expensive grade.(So 14 and 14 nights rather than 14 and 13)I realise there is an admin fee to pay but I wonder if anyone knows if we would have to pay that once or twice as 2 cruises are involved.As one of the cruises is a translantic there is only one flight but we have booked premium economy flying from Manchester.Would we be able to transfer that to the new cruise and would that be at extra cost?I have e mailed P and O with these enquiries but as they take ages to reply I thought I would ask on here to see if anyone has done anything similar particularly as there are only 2 premium seats left from Mancheser on the previous day so want to make a decision a.s.a.p

If you booked directly with P&O, your best bet will be to call them today. If you booked with an agent, you will need to go through them. They are more likely to be able to help you than anybody on here. Emails to P&O obviously take longer than a phone call and as your query is quite complex, you are probably better talking it through rather than relying on messages.