diff --git a/providers/google/src/airflow/providers/google/cloud/hooks/bigquery.py b/providers/google/src/airflow/providers/google/cloud/hooks/bigquery.py
index 52ba8ef588005..5731baec73dd8 100644
--- a/providers/google/src/airflow/providers/google/cloud/hooks/bigquery.py
+++ b/providers/google/src/airflow/providers/google/cloud/hooks/bigquery.py
@@ -1990,18 +1990,19 @@ def _format_schema_for_description(schema: dict) -> list:
     internal_size, precision, scale, null_ok.
     """
     description = []
-    for field in schema["fields"]:
-        mode = field.get("mode", "NULLABLE")
-        field_description = (
-            field["name"],
-            field["type"],
-            None,
-            None,
-            None,
-            None,
-            mode == "NULLABLE",
-        )
-        description.append(field_description)
+    if "fields" in schema:
+        for field in schema["fields"]:
+            mode = field.get("mode", "NULLABLE")
+            field_description = (
+                field["name"],
+                field["type"],
+                None,
+                None,
+                None,
+                None,
+                mode == "NULLABLE",
+            )
+            description.append(field_description)
     return description
 
 
diff --git a/providers/google/tests/unit/google/cloud/hooks/test_bigquery.py b/providers/google/tests/unit/google/cloud/hooks/test_bigquery.py
index ddadebf14a07f..6d55aabd34a99 100644
--- a/providers/google/tests/unit/google/cloud/hooks/test_bigquery.py
+++ b/providers/google/tests/unit/google/cloud/hooks/test_bigquery.py
@@ -1043,6 +1043,11 @@ def test_format_schema_for_description(self):
             ("field_3", "STRING", None, None, None, None, False),
         ]
 
+    def test_format_schema_for_description_no_fields_key(self):
+        test_query_result = {"schema": {}}
+        description = _format_schema_for_description(test_query_result["schema"])
+        assert description == []
+
     @mock.patch("airflow.providers.google.cloud.hooks.bigquery.build")
     @mock.patch("airflow.providers.google.cloud.hooks.bigquery.BigQueryHook.insert_job")
     def test_description(self, mock_insert, mock_build):