Icelandair accepts various forms of payment to facilitate a smooth booking experience for its customers. Generally, customers can use major credit and debit cards such as Visa, Mastercard, and American Express when purchasing tickets. In addition, other payment options may include online payment services that are widely recognized and trusted. It is important to note that Icelandair's website typically provides a comprehensive list of acceptable payment methods during the booking process. Each payment option comes with its own set of policies regarding refunds and cancellations, so travelers may want to review this information closely while making their reservations. For the most accurate and current details on payment methods, it is advisable to check Icelandair’s official website.