diff --git a/product_sale_price_from_pricelist/__manifest__.py b/product_sale_price_from_pricelist/__manifest__.py
index 45f8f85..5c18831 100644
--- a/product_sale_price_from_pricelist/__manifest__.py
+++ b/product_sale_price_from_pricelist/__manifest__.py
@@ -2,7 +2,7 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 {  # noqa: B018
     "name": "Product Sale Price from Pricelist",
-    "version": "18.0.2.6.0",
+    "version": "18.0.2.7.0",
     "category": "product",
     "summary": "Set sale price from pricelist based on last purchase price",
     "author": "Odoo Community Association (OCA), Criptomart",
@@ -20,5 +20,6 @@
     "data": [
         "views/actions.xml",
         "views/product_view.xml",
+        "views/sale_order_view.xml",
     ],
 }
diff --git a/product_sale_price_from_pricelist/i18n/es.po b/product_sale_price_from_pricelist/i18n/es.po
index 272316f..cf57d19 100644
--- a/product_sale_price_from_pricelist/i18n/es.po
+++ b/product_sale_price_from_pricelist/i18n/es.po
@@ -187,6 +187,32 @@ msgstr "Triple descuento"
 msgid "Update Sales Price"
 msgstr "Actualizar Precio de Venta"
 
+#. module: product_sale_price_from_pricelist
+#: model:ir.actions.server,name:product_sale_price_from_pricelist.action_sale_update_from_list_price
+#: model_terms:ir.ui.view,arch_db:product_sale_price_from_pricelist.view_order_form_update_list_price
+msgid "Update with List Price"
+msgstr "Actualizar con precio de venta"
+
+#. module: product_sale_price_from_pricelist
+#: model_terms:ir.ui.view,arch_db:product_sale_price_from_pricelist.view_order_form_update_list_price
+msgid "Update skipped"
+msgstr "Actualización omitida"
+
+#. module: product_sale_price_from_pricelist
+#: model_terms:ir.ui.view,arch_db:product_sale_price_from_pricelist.view_order_form_update_list_price
+msgid "No sales orders to update. Only non-invoiced and non-canceled orders are processed."
+msgstr "No hay pedidos de venta que actualizar. Solo se procesan los no facturados ni cancelados."
+
+#. module: product_sale_price_from_pricelist
+#: model_terms:ir.ui.view,arch_db:product_sale_price_from_pricelist.view_order_form_update_list_price
+msgid "Sales price update"
+msgstr "Actualización de precios de venta"
+
+#. module: product_sale_price_from_pricelist
+#: model_terms:ir.ui.view,arch_db:product_sale_price_from_pricelist.view_order_form_update_list_price
+msgid "Updated %(lines)s lines across %(orders)s sales orders."
+msgstr "Se actualizaron %(lines)s líneas en %(orders)s pedidos de venta."
+
 #. module: product_sale_price_from_pricelist
 #: model:ir.model.fields.selection,name:product_sale_price_from_pricelist.selection__product_template__last_purchase_price_compute_type__without_discounts
 msgid "Without discounts"
diff --git a/product_sale_price_from_pricelist/i18n/eu.po b/product_sale_price_from_pricelist/i18n/eu.po
new file mode 100644
index 0000000..e709215
--- /dev/null
+++ b/product_sale_price_from_pricelist/i18n/eu.po
@@ -0,0 +1,43 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# \t* product_sale_price_from_pricelist
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 18.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2026-02-27 00:00+0000\n"
+"PO-Revision-Date: 2026-02-27 00:00+0000\n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"Language: eu\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#. module: product_sale_price_from_pricelist
+#: model:ir.actions.server,name:product_sale_price_from_pricelist.action_sale_update_from_list_price
+#: model_terms:ir.ui.view,arch_db:product_sale_price_from_pricelist.view_order_form_update_list_price
+msgid "Update with List Price"
+msgstr "Eguneratu tarifa-prezioarekin"
+
+#. module: product_sale_price_from_pricelist
+#: model_terms:ir.ui.view,arch_db:product_sale_price_from_pricelist.view_order_form_update_list_price
+msgid "Update skipped"
+msgstr "Eguneratzea saltatu da"
+
+#. module: product_sale_price_from_pricelist
+#: model_terms:ir.ui.view,arch_db:product_sale_price_from_pricelist.view_order_form_update_list_price
+msgid "No sales orders to update. Only non-invoiced and non-canceled orders are processed."
+msgstr "Ez dago eguneratzeko salmenta-agindurik. Soilik fakturatu gabe eta bertan behera utzi gabe daudenak prozesatzen dira."
+
+#. module: product_sale_price_from_pricelist
+#: model_terms:ir.ui.view,arch_db:product_sale_price_from_pricelist.view_order_form_update_list_price
+msgid "Sales price update"
+msgstr "Salmenta-prezioaren eguneraketa"
+
+#. module: product_sale_price_from_pricelist
+#: model_terms:ir.ui.view,arch_db:product_sale_price_from_pricelist.view_order_form_update_list_price
+msgid "Updated %(lines)s lines across %(orders)s sales orders."
+msgstr "Eguneratu dira %(orders)s salmenta-agindutako %(lines)s lerro."
diff --git a/product_sale_price_from_pricelist/models/__init__.py b/product_sale_price_from_pricelist/models/__init__.py
index f4e7395..97fb5c6 100644
--- a/product_sale_price_from_pricelist/models/__init__.py
+++ b/product_sale_price_from_pricelist/models/__init__.py
@@ -1,6 +1,7 @@
-from . import product_pricelist
-from . import product_pricelist_item
-from . import product_product
-from . import product_template
-from . import res_config
-from . import stock_move
+from . import product_pricelist  # noqa: F401
+from . import product_pricelist_item  # noqa: F401
+from . import product_product  # noqa: F401
+from . import product_template  # noqa: F401
+from . import res_config  # noqa: F401
+from . import stock_move  # noqa: F401
+from . import sale_order  # noqa: F401
diff --git a/product_sale_price_from_pricelist/models/sale_order.py b/product_sale_price_from_pricelist/models/sale_order.py
new file mode 100644
index 0000000..2895f31
--- /dev/null
+++ b/product_sale_price_from_pricelist/models/sale_order.py
@@ -0,0 +1,72 @@
+import logging
+
+from odoo import models
+
+_logger = logging.getLogger(__name__)
+
+
+class SaleOrder(models.Model):
+    _inherit = "sale.order"
+
+    def action_update_lines_from_list_price(self):
+        """Copy current product list price into sale order lines.
+
+        Applies to orders that are not fully invoiced. Skips display and
+        downpayment lines, keeps discounts. Totals/taxes are recomputed by
+        field dependencies when the lines change.
+        """
+
+        eligible_orders = self.filtered(
+            lambda so: so.invoice_status not in ("invoiced", "up_to_date")
+            and so.state != "cancel"
+        )
+
+        if not eligible_orders:
+            return {
+                "type": "ir.actions.client",
+                "tag": "display_notification",
+                "params": {
+                    "title": self.env._("Update skipped"),
+                    "message": self.env._(
+                        "No sales orders to update. Only non-invoiced and non-canceled orders are processed."
+                    ),
+                    "type": "warning",
+                    "sticky": False,
+                },
+            }
+
+        total_lines = 0
+        for order in eligible_orders:
+            lines = order.order_line.filtered(
+                lambda line: not line.display_type
+                and not line.is_downpayment
+                and line.product_id
+            )
+            for line in lines:
+                price_unit = line.product_id.uom_id._compute_price(
+                    line.product_id.lst_price, line.product_uom
+                )
+                line.price_unit = price_unit
+
+            total_lines += len(lines)
+            _logger.info(
+                "[SALE PRICE UPDATE] Order %s (%s): updated %s lines",
+                order.name,
+                order.id,
+                len(lines),
+            )
+
+        return {
+            "type": "ir.actions.client",
+            "tag": "display_notification",
+            "params": {
+                "title": self.env._("Sales price update"),
+                "message": self.env._(
+                    "Updated %(lines)s lines across %(orders)s sales orders.",
+                    lines=total_lines,
+                    orders=len(eligible_orders),
+                ),
+                "type": "success" if total_lines else "warning",
+                "sticky": False,
+            },
+        }
diff --git a/product_sale_price_from_pricelist/tests/test_sale_order_update.py b/product_sale_price_from_pricelist/tests/test_sale_order_update.py
new file mode 100644
index 0000000..0eefca0
--- /dev/null
+++ b/product_sale_price_from_pricelist/tests/test_sale_order_update.py
@@ -0,0 +1,95 @@
+# Copyright (C) 2026: Criptomart (https://criptomart.net)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo.tests import tagged
+from odoo.tests.common import TransactionCase
+
+
+@tagged("post_install", "-at_install")
+class TestSaleOrderUpdate(TransactionCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.partner = cls.env.ref("base.res_partner_1")
+
+        cls.product = cls.env["product.product"].create(
+            {
+                "name": "Test Product SO",
+                "list_price": 120.0,
+                "standard_price": 80.0,
+            }
+        )
+
+        cls.downpayment_product = cls.env["product.product"].create(
+            {
+                "name": "Downpayment Product",
+                "type": "service",
+                "list_price": 10.0,
+            }
+        )
+
+    def _create_sale_order(self, values=None):
+        vals = {
+            "partner_id": self.partner.id,
+            "order_line": [
+                (
+                    0,
+                    0,
+                    {
+                        "product_id": self.product.id,
+                        "product_uom": self.product.uom_id.id,
+                        "product_uom_qty": 2.0,
+                        "price_unit": 50.0,
+                        "tax_id": [(6, 0, self.product.taxes_id.ids)],
+                    },
+                ),
+                (0, 0, {"display_type": "line_note", "name": "Note"}),
+                (
+                    0,
+                    0,
+                    {
+                        "product_id": self.downpayment_product.id,
+                        "product_uom": self.downpayment_product.uom_id.id,
+                        "product_uom_qty": 1.0,
+                        "price_unit": 10.0,
+                        "is_downpayment": True,
+                    },
+                ),
+            ],
+        }
+        if values:
+            vals.update(values)
+        return self.env["sale.order"].create(vals)
+
+    def test_update_lines_copies_list_price(self):
+        order = self._create_sale_order()
+
+        order.action_update_lines_from_list_price()
+
+        line = order.order_line.filtered(lambda line: line.product_id == self.product)
+        self.assertTrue(line)
+        self.assertEqual(line.price_unit, self.product.list_price)
+
+        # Downpayment and display lines remain unchanged
+        down_line = order.order_line.filtered("is_downpayment")
+        self.assertTrue(down_line)
+        self.assertEqual(down_line.price_unit, 10.0)
+
+    def test_invoiced_orders_are_skipped(self):
+        order = self._create_sale_order()
+        order.action_confirm()
+        invoice = order._create_invoices()
+        invoice.action_post()
+        order._compute_invoice_status()
+        self.assertEqual(order.invoice_status, "invoiced")
+
+        # Change product price to ensure potential change
+        order.order_line.filtered(
+            lambda line: line.product_id == self.product
+        ).price_unit = 5.0
+
+        order.action_update_lines_from_list_price()
+
+        # Price should remain untouched because order is invoiced
+        line = order.order_line.filtered(lambda line: line.product_id == self.product)
+        self.assertEqual(line.price_unit, 5.0)
diff --git a/product_sale_price_from_pricelist/views/sale_order_view.xml b/product_sale_price_from_pricelist/views/sale_order_view.xml
new file mode 100644
index 0000000..dd04f5a
--- /dev/null
+++ b/product_sale_price_from_pricelist/views/sale_order_view.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+  <data>
+
+    <!-- Server action for mass update from list view -->
+    <record id="action_sale_update_from_list_price" model="ir.actions.server">
+      <field name="name">Update with List Price</field>
+      <field name="model_id" ref="sale.model_sale_order" />
+      <field name="binding_model_id" ref="sale.model_sale_order" />
+      <field name="binding_view_types">list,form</field>
+      <field name="state">code</field>
+      <field name="code">records.action_update_lines_from_list_price()</field>
+    </record>
+
+    <!-- Button in sale order form -->
+    <record id="view_order_form_update_list_price" model="ir.ui.view">
+      <field name="name">sale.order.form.update.list.price</field>
+      <field name="model">sale.order</field>
+      <field name="inherit_id" ref="sale.view_order_form" />
+      <field name="arch" type="xml">
+        <xpath expr="//button[@name='action_update_prices']" position="after">
+          <button
+            name="action_update_lines_from_list_price"
+            type="object"
+            string="Update with List Price"
+            class="btn-link mb-1 px-0"
+            icon="fa-refresh"
+            invisible="invoice_status in ('invoiced','up_to_date') or state == 'cancel'"
+          />
+        </xpath>
+      </field>
+    </record>
+
+    <!-- Action menu entry in tree/list view -->
+    <record id="view_order_tree_update_list_price" model="ir.ui.view">
+      <field name="name">sale.order.tree.update.list.price</field>
+      <field name="model">sale.order</field>
+      <field name="inherit_id" ref="sale.view_quotation_tree" />
+      <field name="arch" type="xml">
+        <xpath expr="//list" position="attributes">
+          <attribute name="decoration-muted">state == 'cancel'</attribute>
+        </xpath>
+      </field>
+    </record>
+
+  </data>
+</odoo>