diff -u b/modules/checkout/src/Plugin/Commerce/CheckoutPane/BillingInformation.php b/modules/checkout/src/Plugin/Commerce/CheckoutPane/BillingInformation.php
--- b/modules/checkout/src/Plugin/Commerce/CheckoutPane/BillingInformation.php
+++ b/modules/checkout/src/Plugin/Commerce/CheckoutPane/BillingInformation.php
@@ -72,7 +72,7 @@
         ->getQuery();
       $result = $query
         ->condition('uid', \Drupal::currentUser()->id())
-        ->sort('is_default')
+        ->sort('is_default', 'DESC')
         ->sort('created', 'DESC')
         ->execute();
       if ($result) {