US Dollar, check, bank check, money order, wire transfer, major credit cards or debit cards. Credit card charges will be accepted by phone or online to fulfill non-refundable deposit requirement. Final payment will be processed upon submission of a completed Global Travels Unlimited Credit Card Form . Third-party credit cards are not acceptable. All payments made within 30 days of departure must be in the form of a certified check, money order, or credit or debit card. Payments made by wire transfer must include an additional $25 wire transfer fee. There is a $50 fee for returned checks.