diff --git a/.changeset/polite-zoos-hammer.md b/.changeset/polite-zoos-hammer.md
new file mode 100644
index 0000000000..bf02e0ca6f
--- /dev/null
+++ b/.changeset/polite-zoos-hammer.md
@@ -0,0 +1,6 @@
+---
+"@medusajs/medusa": patch
+"medusa-fulfillment-webshipper": patch
+---
+
+feat(medusa-fulfillment-webshipper): Create webshipper return order
diff --git a/packages/medusa-fulfillment-webshipper/src/services/webshipper-fulfillment.js b/packages/medusa-fulfillment-webshipper/src/services/webshipper-fulfillment.js
index 0f13e15b6b..c4ba118f0a 100644
--- a/packages/medusa-fulfillment-webshipper/src/services/webshipper-fulfillment.js
+++ b/packages/medusa-fulfillment-webshipper/src/services/webshipper-fulfillment.js
@@ -97,6 +97,75 @@ class WebshipperFulfillmentService extends AbstractFulfillmentService {
     // Calculate prices
   }
 
+  /**
+   * Creates a return order in webshipper and links it to an existing shipment.
+   */
+  async createReturnOrder(shipment, fromOrder) {
+    const fulfillmentData = fromOrder.fulfillments[0]?.data
+
+    if (!shipment?.id || !fulfillmentData?.id) {
+      return
+    }
+
+    const customsLines = shipment.attributes?.packages?.[0]?.customs_lines
+
+    if (!customsLines?.length) {
+      return
+    }
+
+    const returnOrderData = {
+      type: "returns",
+      attributes: {
+        status: "pending",
+        return_lines: customsLines.map(({ ext_ref, quantity }) => ({
+          order_line_id: fulfillmentData.attributes?.order_lines?.find(
+            (order_line) => order_line.ext_ref === ext_ref
+          )?.id,
+          cause_id: this.options_.return_portal?.cause_id || "1",
+          quantity: quantity,
+        })),
+      },
+      relationships: {
+        order: {
+          data: {
+            id: fulfillmentData.id,
+            type: "orders",
+          },
+        },
+        portal: {
+          data: {
+            id: this.options_.return_portal.id || "1",
+            type: "return_portals",
+          },
+        },
+        refund_method: {
+          data: {
+            id: this.options_.return_portal.refund_method_id || "1",
+            type: "return_refund_methods",
+          },
+        },
+        shipping_method: {
+          data: {
+            id: shipment.shipping_method?.data?.webshipper_id || "1",
+            type: "return_shipping_methods",
+          },
+        },
+        shipment: {
+          data: {
+            id: shipment.id,
+            type: "shipments",
+          },
+        },
+      },
+    }
+
+    this.client_.returns.create(returnOrderData)
+  }
+
+  /**
+   * Creates a return shipment in webshipper using the given method data, and
+   * return lines.
+   */
   async createReturn(returnOrder) {
     let orderId
     if (returnOrder.order_id) {
@@ -109,7 +178,13 @@ class WebshipperFulfillmentService extends AbstractFulfillmentService {
 
     const fromOrder = await this.orderService_.retrieve(orderId, {
       select: ["total"],
-      relations: ["discounts", "discounts.rule", "shipping_address", "returns"],
+      relations: [
+        "discounts",
+        "discounts.rule",
+        "shipping_address",
+        "returns",
+        "fulfillments",
+      ],
     })
 
     const methodData = returnOrder.shipping_method.data
@@ -204,6 +279,10 @@ class WebshipperFulfillmentService extends AbstractFulfillmentService {
     return this.client_.shipments
       .create(returnShipment)
       .then((result) => {
+        if (this.options_.return_portal?.id) {
+          this.createReturnOrder(result.data, fromOrder)
+        }
+
         return result.data
       })
       .catch((err) => {
diff --git a/packages/medusa-fulfillment-webshipper/src/utils/webshipper.js b/packages/medusa-fulfillment-webshipper/src/utils/webshipper.js
index e93b2d2204..6c8955c571 100644
--- a/packages/medusa-fulfillment-webshipper/src/utils/webshipper.js
+++ b/packages/medusa-fulfillment-webshipper/src/utils/webshipper.js
@@ -16,6 +16,7 @@ class Webshipper {
     this.shippingRates = this.buildShippingRateEndpoints_()
     this.orders = this.buildOrderEndpoints_()
     this.shipments = this.buildShipmentEndpoints_()
+    this.returns = this.buildReturnEndpoints_()
   }
 
   async request(data) {
@@ -124,6 +125,21 @@ class Webshipper {
       },
     }
   }
+
+  buildReturnEndpoints_ = () => {
+    return {
+      create: async (data) => {
+        const path = `/v2/returns`
+        return this.client_({
+          method: "POST",
+          url: path,
+          data: {
+            data,
+          },
+        }).then(({ data }) => data)
+      },
+    }
+  }
 }
 
 export default Webshipper