diff --git a/airflow/www/api/experimental/endpoints.py b/airflow/www/api/experimental/endpoints.py
index 9a47a3559b449c..bac64fbbfcd04f 100644
--- a/airflow/www/api/experimental/endpoints.py
+++ b/airflow/www/api/experimental/endpoints.py
@@ -88,7 +88,7 @@ def trigger_dag(dag_id):
     if getattr(g, 'user', None):
         _log.info("User %s created %s", g.user, dr)
 
-    response = jsonify(message="Created {}".format(dr))
+    response = jsonify(message="Created {}".format(dr), execution_date=dr.execution_date.isoformat())
     return response
 
 
diff --git a/tests/www/api/experimental/test_endpoints.py b/tests/www/api/experimental/test_endpoints.py
index 39bc88a0083000..31013badf985fb 100644
--- a/tests/www/api/experimental/test_endpoints.py
+++ b/tests/www/api/experimental/test_endpoints.py
@@ -28,7 +28,7 @@
 from airflow.api.common.experimental.trigger_dag import trigger_dag
 from airflow.models import DagBag, DagRun, Pool, TaskInstance
 from airflow.settings import Session
-from airflow.utils.timezone import datetime, utcnow
+from airflow.utils.timezone import datetime, utcnow, parse as parse_datetime
 from airflow.www import app as application
 
 
@@ -122,13 +122,20 @@ def test_task_paused(self):
 
     def test_trigger_dag(self):
         url_template = '/api/experimental/dags/{}/dag_runs'
+        run_id = 'my_run' + utcnow().isoformat()
         response = self.client.post(
             url_template.format('example_bash_operator'),
-            data=json.dumps({'run_id': 'my_run' + utcnow().isoformat()}),
+            data=json.dumps({'run_id': run_id}),
             content_type="application/json"
         )
 
         self.assertEqual(200, response.status_code)
+        # Check execution_date is correct
+        response = json.loads(response.data.decode('utf-8'))
+        dagbag = DagBag()
+        dag = dagbag.get_dag('example_bash_operator')
+        dag_run = dag.get_dagrun(parse_datetime(response['execution_date']))
+        self.assertEqual(run_id, dag_run.run_id)
 
         response = self.client.post(
             url_template.format('does_not_exist_dag'),
@@ -154,6 +161,7 @@ def test_trigger_dag_for_date(self):
             content_type="application/json"
         )
         self.assertEqual(200, response.status_code)
+        self.assertEqual(datetime_string, json.loads(response.data.decode('utf-8'))['execution_date'])
 
         dagbag = DagBag()
         dag = dagbag.get_dag(dag_id)