When you purchase an international ticket with your credit card through our website, your purchase will be authenticated using your pre-registered password or a one-time password issued via a mobile app or by SMS to protect your credit card against online fraud and identity theft. This is an authentication service that is being introduced by each card issuer and requires registration in advance.
Visa, MasterCard, JCB, American Express and Diners Club provide their own authentication services to their card holders. In order to apply these security measures for your purchase on our website, please enter your password or one-time password.
Anyone who holds an applicable credit card and has registered for authentication service with a password.
Please refer to the following for detailed information from credit card issuing companies who offer authentication services.