When is my next Epic FlexPay payment? To see your next payment due date, please go to upgrade.com/pay (United States) or upgrade.com/en-ca/pay (Canada). Related articles Where can I find my Epic FlexPay balance? When is my last Epic FlexPay payment? When do my payments start? How do I make Epic FlexPay payments? If I'm using Epic FlexPay, can I pay early or switch to paying in full?