Horizon Air accepts a variety of payment methods for booking flights, making it convenient for travelers. Generally, customers can pay using major credit cards such as Visa, MasterCard, American Express, and Discover. Debit cards with a credit card logo are also usually accepted. Additionally, some regions may allow the use of gift cards or electronic payment options like PayPal. It is important to note that payment options may vary based on the booking channel, such as whether the reservation is made online, through a travel agent, or via telephone. To ensure you have the most accurate and up-to-date information regarding payment methods, it is advisable to check the relevant section of the official Horizon Air website, where specific details can be found.