Why Does My WooCommerce Checkout Show a 404 Error?

Why a WooCommerce Checkout 404 Happens

WordPress relies on rewrite rules to translate a clean URL like /checkout/ into the correct page request internally, and these rules are cached and only regenerated in specific circumstances (a permalink settings save, certain plugin activations). A change to the server, a migration, or an update that alters URL structure without triggering a rule refresh can leave WordPress unable to correctly resolve the checkout URL, resulting in a 404 despite everything otherwise being configured correctly.

Common Causes of a Checkout 404

• Stale permalink rewrite rules, particularly after a server migration, a caching plugin change, or a .htaccess file being overwritten or reset.
• The page assigned as checkout being deleted, unpublished, or moved to trash, sometimes accidentally during a content cleanup that didn't account for it being a functional page rather than regular content.
• A conflicting page or post using the same slug as the checkout page, confusing which one WordPress should actually serve.
• A caching or CDN layer serving a stale 404 response cached from before a fix was applied, making a genuinely resolved issue appear to persist.

How to Fix the Checkout 404

1. Go to WordPress → Settings → Permalinks and simply click Save (no changes needed) to force a rewrite rule refresh — this alone resolves many cases.
2. Confirm the checkout page still exists and is published, and re-select it under WooCommerce → Settings → Advanced if needed.
3. Check for a slug conflict with another page or post using the same URL.
4. Clear all caching and CDN layers after any fix, to rule out a stale cached 404 response.

Checkout completely down and losing orders right now? See WooCommerce fixes for urgent help.