In Magento 2, You can redirect to any link or forcefully redirect to any link by Magento\Framework\Controller\Result\RedirectFactory object.
You can redirect from plugin or controller file to any link on the site by setPath() or setUrl() function.
Using setUrl($url) -> You need to pass link as parameter for redirect
Using setPath($path) -> You need to pass path(action URL) as parameter Continue reading “How to set redirect url in Magento 2?”
Magento 2, You can get Product URL from Product object. You can be assigned Product URL to any page in store for a redirect to Product page.
I hope you have Product Object, Get Product Object by SKU
If you want to get Only Url Key value, You can access by $product->getUrlKey() method.
You can product full URL by getProductUrl() method.
$sku = '24-MB01';
$_product = $this->productRepository->get($sku);?>
<?php echo $_product->getProductUrl(); ?>