diff --git a/changelog.txt b/changelog.txt
index b600c762f..cf49c8940 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -32,6 +32,7 @@
 * Dev - Add a GitHub Action workflow to run QIT E2E Integrations tests.
 * Fix - Check billing interval and period to set in mandate options.
 * Fix - Check order currency on pay for order page to display supported payment methods.
+* Update - Migrate payment request settings data to express checkout settings data.
 * Update - Make the new Stripe Express Checkout Element enabled by default in all accounts.
 
 = 9.0.0 - 2024-12-12 =
diff --git a/includes/migrations/class-migrate-payment-request-data-to-express-checkout-data.php b/includes/migrations/class-migrate-payment-request-data-to-express-checkout-data.php
new file mode 100644
index 000000000..9592f69ae
--- /dev/null
+++ b/includes/migrations/class-migrate-payment-request-data-to-express-checkout-data.php
@@ -0,0 +1,63 @@
+<?php
+/**
+ * Class Migrate_Payment_Request_Data_To_Express_Checkout_Data
+ */
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Class Migrate_Payment_Request_Data_To_Express_Checkout_Data
+ *
+ * Migrates Payment Request settings data to Express Checkout settings data.
+ *
+ * @since 9.1.0
+ */
+class Migrate_Payment_Request_Data_To_Express_Checkout_Data {
+	/**
+	 * Migrate_Payment_Request_Data_To_Express_Checkout_Data constructor.
+	 */
+	public function __construct() {
+		add_action( 'woocommerce_stripe_updated', [ $this, 'maybe_migrate' ] );
+	}
+
+	/**
+	 * Only execute the migration if not applied yet.
+	 */
+	public function maybe_migrate() {
+		$stripe_gateway = $this->get_gateway();
+
+		$express_checkout_enabled = $stripe_gateway->get_option( 'express_checkout' );
+
+		if ( empty( $express_checkout_enabled ) ) {
+			$this->migrate();
+		}
+	}
+
+	/**
+	 * Copies over Payment Request settings data to Express Checkout settings data.
+	 */
+	private function migrate() {
+		$stripe_gateway = $this->get_gateway();
+
+		$payment_request_enabled   = $stripe_gateway->get_option( 'payment_request', 'no' );
+		$payment_request_button_type  = $stripe_gateway->get_option( 'payment_request_button_type', 'default' );
+		$payment_request_button_theme   = $stripe_gateway->get_option( 'payment_request_button_theme', 'dark' );
+		$payment_request_button_size  = $stripe_gateway->get_option( 'payment_request_button_size', 'default' );
+		$payment_request_button_locations   = $stripe_gateway->get_option( 'payment_request_button_locations', [ 'checkout' ] );
+
+		$stripe_gateway->update_option( 'express_checkout', $payment_request_enabled );
+		$stripe_gateway->update_option( 'express_checkout_button_type', $payment_request_button_type );
+		$stripe_gateway->update_option( 'express_checkout_button_theme', $payment_request_button_theme );
+		$stripe_gateway->update_option( 'express_checkout_button_size', $payment_request_button_size );
+		$stripe_gateway->update_option( 'express_checkout_button_locations', $payment_request_button_locations );
+	}
+
+	/**
+	 * Returns the main Stripe payment gateways.
+	 *
+	 * @return WC_Stripe_Payment_Gateway
+	 */
+	public function get_gateway() {
+		return woocommerce_gateway_stripe()->get_main_stripe_gateway();
+	}
+}
diff --git a/includes/payment-methods/class-wc-stripe-express-checkout-helper.php b/includes/payment-methods/class-wc-stripe-express-checkout-helper.php
index fe8aa1272..ac5705e50 100644
--- a/includes/payment-methods/class-wc-stripe-express-checkout-helper.php
+++ b/includes/payment-methods/class-wc-stripe-express-checkout-helper.php
@@ -85,7 +85,7 @@ public function is_account_creation_possible() {
 	 * @return  string
 	 */
 	public function get_button_type() {
-		return isset( $this->stripe_settings['payment_request_button_type'] ) ? $this->stripe_settings['payment_request_button_type'] : 'default';
+		return isset( $this->stripe_settings['express_checkout_button_type'] ) ? $this->stripe_settings['express_checkout_button_type'] : 'default';
 	}
 
 	/**
@@ -94,7 +94,7 @@ public function get_button_type() {
 	 * @return  string
 	 */
 	public function get_button_theme() {
-		return isset( $this->stripe_settings['payment_request_button_theme'] ) ? $this->stripe_settings['payment_request_button_theme'] : 'dark';
+		return isset( $this->stripe_settings['express_checkout_button_theme'] ) ? $this->stripe_settings['express_checkout_button_theme'] : 'dark';
 	}
 
 	/**
@@ -103,7 +103,7 @@ public function get_button_theme() {
 	 * @return  string
 	 */
 	public function get_button_height() {
-		$height = isset( $this->stripe_settings['payment_request_button_size'] ) ? $this->stripe_settings['payment_request_button_size'] : 'default';
+		$height = isset( $this->stripe_settings['express_checkout_button_size'] ) ? $this->stripe_settings['express_checkout_button_size'] : 'default';
 		if ( 'small' === $height ) {
 			return '40';
 		}
@@ -121,7 +121,7 @@ public function get_button_height() {
 	 * @return string
 	 */
 	public function get_button_radius() {
-		$height = isset( $this->stripe_settings['payment_request_button_size'] ) ? $this->stripe_settings['payment_request_button_size'] : 'default';
+		$height = isset( $this->stripe_settings['express_checkout_button_size'] ) ? $this->stripe_settings['express_checkout_button_size'] : 'default';
 		if ( 'small' === $height ) {
 			return '2';
 		}
@@ -1329,18 +1329,18 @@ public function get_login_confirmation_settings() {
 	 */
 	public function get_button_locations() {
 		// If the locations have not been set return the default setting.
-		if ( ! isset( $this->stripe_settings['payment_request_button_locations'] ) ) {
+		if ( ! isset( $this->stripe_settings['express_checkout_button_locations'] ) ) {
 			return [ 'product', 'cart' ];
 		}
 
 		// If all locations are removed through the settings UI the location config will be set to
 		// an empty string "". If that's the case (and if the settings are not an array for any
 		// other reason) we should return an empty array.
-		if ( ! is_array( $this->stripe_settings['payment_request_button_locations'] ) ) {
+		if ( ! is_array( $this->stripe_settings['express_checkout_button_locations'] ) ) {
 			return [];
 		}
 
-		return $this->stripe_settings['payment_request_button_locations'];
+		return $this->stripe_settings['express_checkout_button_locations'];
 	}
 
 	/**
@@ -1351,7 +1351,7 @@ public function get_button_locations() {
 	 * @return boolean
 	 */
 	public function is_express_checkout_enabled() {
-		return isset( $this->stripe_settings['payment_request'] ) && 'yes' === $this->stripe_settings['payment_request'];
+		return isset( $this->stripe_settings['express_checkout'] ) && 'yes' === $this->stripe_settings['express_checkout'];
 	}
 
 	/**
diff --git a/readme.txt b/readme.txt
index 07a6499d2..f7a2330b0 100644
--- a/readme.txt
+++ b/readme.txt
@@ -142,6 +142,7 @@ If you get stuck, you can ask for help in the [Plugin Forum](https://wordpress.o
 * Dev - Add a GitHub Action workflow to run QIT E2E Integrations tests.
 * Fix - Check billing interval and period to set in mandate options.
 * Fix - Check order currency on pay for order page to display supported payment methods.
+* Update - Migrate payment request settings data to express checkout settings data.
 * Update - Make the new Stripe Express Checkout Element enabled by default in all accounts.
 
 [See changelog for all versions](https://raw.githubusercontent.com/woocommerce/woocommerce-gateway-stripe/trunk/changelog.txt).
diff --git a/tests/phpunit/admin/migrations/test-class-migrate-payment-request-data-to-express-checkout-data.php b/tests/phpunit/admin/migrations/test-class-migrate-payment-request-data-to-express-checkout-data.php
new file mode 100644
index 000000000..13e1c832b
--- /dev/null
+++ b/tests/phpunit/admin/migrations/test-class-migrate-payment-request-data-to-express-checkout-data.php
@@ -0,0 +1,64 @@
+<?php
+/**
+ * Class Migrate_Payment_Request_Data_To_Express_Checkout_Data
+ */
+
+use PHPUnit\Framework\MockObject\MockObject;
+
+/**
+ * Allowed_Payment_Request_Button_Types_Update unit tests.
+ */
+class Migrate_Payment_Request_Data_To_Express_Checkout_Data_Test extends WP_UnitTestCase {
+
+	/**
+	 * Stripe gateway mock.
+	 *
+	 * @var MockObject|WC_Gateway_Stripe
+	 */
+	private $gateway_mock;
+
+	/**
+	 * @var Migrate_Payment_Request_Data_To_Express_Checkout_Data
+	 */
+	private $migration;
+
+	public function set_up() {
+		parent::set_up();
+
+		$this->gateway_mock = $this->getMockBuilder( WC_Gateway_Stripe::class )
+					->disableOriginalConstructor()
+					->getMock();
+		$this->migration    = $this->getMockBuilder( Migrate_Payment_Request_Data_To_Express_Checkout_Data::class )
+					->disableOriginalConstructor()
+					->setMethods( [ 'get_gateway' ] )
+					->getMock();
+	}
+
+	public function test_migration_not_executed_when_data_already_migrated() {
+		$this->setup_environment( [ 'express_checkout' => 'yes' ] );
+
+		$this->gateway_mock->expects( $this->never() )
+			->method( 'update_option' );
+
+		$this->migration->maybe_migrate();
+	}
+
+	public function test_prb_settings_data_migration_to_ece_settings_data() {
+		$this->setup_environment( [] );
+
+		$this->gateway_mock->expects( $this->exactly( 5 ) )
+			->method( 'update_option' );
+
+		$this->migration->maybe_migrate();
+	}
+
+	private function setup_environment( $settings ) {
+		$this->gateway_mock->method( 'get_option' )
+						->willReturnCallback(
+							function ( $key ) use ( $settings ) {
+								return isset( $settings[ $key ] ) ? $settings[ $key ] : '';
+							}
+						);
+		$this->migration->method( 'get_gateway' )->willReturn( $this->gateway_mock );
+	}
+}
diff --git a/woocommerce-gateway-stripe.php b/woocommerce-gateway-stripe.php
index 786af27cd..1fd543e2d 100644
--- a/woocommerce-gateway-stripe.php
+++ b/woocommerce-gateway-stripe.php
@@ -264,8 +264,10 @@ public function init() {
 				require_once dirname( __FILE__ ) . '/includes/admin/class-wc-stripe-inbox-notes.php';
 				require_once dirname( __FILE__ ) . '/includes/admin/class-wc-stripe-upe-compatibility-controller.php';
 				require_once dirname( __FILE__ ) . '/includes/migrations/class-allowed-payment-request-button-types-update.php';
+				require_once dirname( __FILE__ ) . '/includes/migrations/class-migrate-payment-request-data-to-express-checkout-data.php';
 				require_once dirname( __FILE__ ) . '/includes/class-wc-stripe-account.php';
 				new Allowed_Payment_Request_Button_Types_Update();
+				new Migrate_Payment_Request_Data_To_Express_Checkout_Data();
 
 				$this->api                           = new WC_Stripe_Connect_API();
 				$this->connect                       = new WC_Stripe_Connect( $this->api );