: Most tickets are bought online with credit/debit cards, though some services accept PayPal for added security.
: A valid passport, passport card, or a REAL ID-compliant driver's license. where to buy plane tickets
If you need physical paper to print your own tickets or if you are looking for professional ticket stock: : Standard : Most tickets are bought online with credit/debit
While physical "paper" tickets (vouchers/coupons) have largely been replaced by electronic tickets, you can still find specialized or use standard printer paper to have a physical copy of your booking. Where to Buy Paper for Tickets where to buy plane tickets