foot the bill
• pay the bill for something, typically when the amount is considered large or unreasonable.
• "the couple were left to foot the bill after their claim was declined by their travel insurers"
Similar:
pay,
pay up,
pay out,
pay the bill,
settle up,
bail someone out,
pick up the tab,
cough up,
fork out,
shell out,
come across,
chip in,
stump up,
ante up,
pony up,
pick up the check,