Child Support & Custody Support Group
This community is dedicated to those involved in child support and custody cases. There are a myriad of challenges involved in any case and this is a safe place to talk about what you're going through with others who may be going through the same. Join the group and seek advice, find or provide a listening ear, or just share your feelings in this support group.
I agree with bluebox regarding truancy and pushing the visit back one week if he really wants that eighth week. Your ex needs to respect the need for his little girl to be in school. These are the years she's learning the absolute essentials of reading and math.
Hopefully your ex has to pay for the plane tickets. Try to get inflexible ones where the airline won't allow the flight dates to be changed and no refunds.