Vaccine schedule?

Hi ladies! I'm a FTM, so not sure how the pediatrician would go about it. For those of you with other children, what was your doctor's guidance on travelling with a baby (by car and plane) at 3.5 months old? We are planning on taking our baby to see my parents and get baptized at that age, but I don't think she will have all the immunizations at that point. She'll be starting daycare after we come back from that trip as well, so of course I'm freaking out about her getting sick with something serious.
Any tips?