Yes, new subscriptions, upgrades and renewals of ForeFlight can be purchased directly on our website using your PayPal account.
If you don't have a ForeFlight account yet:
Go to https://www.foreflight.com/pricing to select a plan. Follow the prompts to checkout and select PayPal as your payment method.
If you already have a ForeFlight account:
Log in at https://plan.foreflight.com/account and click "Upgrade or Renew My Subscription." Select the plan details you'd like and click either the PayPal button or "Change Payment Method" on the right side of the screen.