In order to download your invoice from your account, you will need to login here.
Enter your email address associated with your account and your password.
When you login, you will be automatically taken to your account screen. Under My Applications you can find the most recent order. The button to download your invoice is located to the right of Order Information.
If you have more than one order, you can select the order you want and download the invoice from the main screen as well.
You can select the correct order by the order number or if you know the date of travel, you can locate the order that way.
The invoice button is on the right of the screen.