diff --git a/src/Symfony/Component/Messenger/Tests/Transport/AmqpExt/AmqpSenderTest.php b/src/Symfony/Component/Messenger/Tests/Transport/AmqpExt/AmqpSenderTest.php
index 398f0092922c7..88234f04d50b9 100644
--- a/src/Symfony/Component/Messenger/Tests/Transport/AmqpExt/AmqpSenderTest.php
+++ b/src/Symfony/Component/Messenger/Tests/Transport/AmqpExt/AmqpSenderTest.php
@@ -16,6 +16,7 @@
 use Symfony\Component\Messenger\Tests\Fixtures\DummyMessage;
 use Symfony\Component\Messenger\Transport\AmqpExt\AmqpSender;
 use Symfony\Component\Messenger\Transport\AmqpExt\Connection;
+use Symfony\Component\Messenger\Transport\AmqpExt\Stamp\RoutingKeyStamp;
 use Symfony\Component\Messenger\Transport\Serialization\SerializerInterface;
 
 /**
@@ -37,4 +38,20 @@ public function testItSendsTheEncodedMessage()
         $sender = new AmqpSender($connection, $serializer);
         $sender->send($envelope);
     }
+
+    public function testItSendsWithRoutingKey()
+    {
+        $envelope = new Envelope(new DummyMessage('Oy'));
+        $envelope = $envelope->with(new RoutingKeyStamp('dummy_routing'));
+        $encoded = array('body' => '...', 'headers' => array('type' => DummyMessage::class));
+
+        $serializer = $this->getMockBuilder(SerializerInterface::class)->getMock();
+        $serializer->method('encode')->with($envelope)->willReturnOnConsecutiveCalls($encoded);
+
+        $connection = $this->getMockBuilder(Connection::class)->disableOriginalConstructor()->getMock();
+        $connection->expects($this->once())->method('publish')->with($encoded['body'], $encoded['headers'], 'dummy_routing');
+
+        $sender = new AmqpSender($connection, $serializer);
+        $sender->send($envelope);
+    }
 }
diff --git a/src/Symfony/Component/Messenger/Tests/Transport/AmqpExt/Stamp/RoutingKeyStampTest.php b/src/Symfony/Component/Messenger/Tests/Transport/AmqpExt/Stamp/RoutingKeyStampTest.php
new file mode 100644
index 0000000000000..7a3a08f69264e
--- /dev/null
+++ b/src/Symfony/Component/Messenger/Tests/Transport/AmqpExt/Stamp/RoutingKeyStampTest.php
@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Messenger\Tests\Transport\AmqpExt\Stamp;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Messenger\Transport\AmqpExt\Stamp\RoutingKeyStamp;
+
+/**
+ * @author Vincent Touzet <vincent.touzet@gmail.com>
+ */
+class RoutingKeyStampTest extends TestCase
+{
+    public function testSerializable()
+    {
+        $stamp = new RoutingKeyStamp('dummy_routing');
+
+        $this->assertEquals($stamp, unserialize(serialize($stamp)));
+    }
+}
diff --git a/src/Symfony/Component/Messenger/Transport/AmqpExt/AmqpSender.php b/src/Symfony/Component/Messenger/Transport/AmqpExt/AmqpSender.php
index bb084a8f03ae7..7f8cc41204637 100644
--- a/src/Symfony/Component/Messenger/Transport/AmqpExt/AmqpSender.php
+++ b/src/Symfony/Component/Messenger/Transport/AmqpExt/AmqpSender.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\Messenger\Transport\AmqpExt;
 
 use Symfony\Component\Messenger\Envelope;
+use Symfony\Component\Messenger\Transport\AmqpExt\Stamp\RoutingKeyStamp;
 use Symfony\Component\Messenger\Transport\SenderInterface;
 use Symfony\Component\Messenger\Transport\Serialization\Serializer;
 use Symfony\Component\Messenger\Transport\Serialization\SerializerInterface;
@@ -37,8 +38,13 @@ public function __construct(Connection $connection, SerializerInterface $seriali
      */
     public function send(Envelope $envelope)
     {
+        $routingKey = null;
+        /** @var RoutingKeyStamp|null $routingKeyConfig */
+        if ($routingKeyConfig = $envelope->get(RoutingKeyStamp::class)) {
+            $routingKey = $routingKeyConfig->getRoutingKey();
+        }
         $encodedMessage = $this->serializer->encode($envelope);
 
-        $this->connection->publish($encodedMessage['body'], $encodedMessage['headers']);
+        $this->connection->publish($encodedMessage['body'], $encodedMessage['headers'], $routingKey);
     }
 }
diff --git a/src/Symfony/Component/Messenger/Transport/AmqpExt/Connection.php b/src/Symfony/Component/Messenger/Transport/AmqpExt/Connection.php
index 5fef71cd39470..9909eb6c835fb 100644
--- a/src/Symfony/Component/Messenger/Transport/AmqpExt/Connection.php
+++ b/src/Symfony/Component/Messenger/Transport/AmqpExt/Connection.php
@@ -94,13 +94,13 @@ public static function fromDsn(string $dsn, array $options = array(), bool $debu
     /**
      * @throws \AMQPException
      */
-    public function publish(string $body, array $headers = array()): void
+    public function publish(string $body, array $headers = array(), string $routingKey = null): void
     {
         if ($this->debug && $this->shouldSetup()) {
             $this->setup();
         }
 
-        $this->exchange()->publish($body, null, AMQP_NOPARAM, array('headers' => $headers));
+        $this->exchange()->publish($body, $routingKey, AMQP_NOPARAM, array('headers' => $headers));
     }
 
     /**
diff --git a/src/Symfony/Component/Messenger/Transport/AmqpExt/Stamp/RoutingKeyStamp.php b/src/Symfony/Component/Messenger/Transport/AmqpExt/Stamp/RoutingKeyStamp.php
new file mode 100644
index 0000000000000..63b59cf5095f2
--- /dev/null
+++ b/src/Symfony/Component/Messenger/Transport/AmqpExt/Stamp/RoutingKeyStamp.php
@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Messenger\Transport\AmqpExt\Stamp;
+
+use Symfony\Component\Messenger\Stamp\StampInterface;
+
+/**
+ * @author Vincent Touzet <vincent.touzet@gmail.com>
+ */
+final class RoutingKeyStamp implements StampInterface
+{
+    private $routingKey;
+
+    public function __construct(string $routingKey)
+    {
+        $this->routingKey = $routingKey;
+    }
+
+    public function getRoutingKey(): string
+    {
+        return $this->routingKey;
+    }
+}