In this article, we'll look at two ways to redirect the user who is logging in, to a specific page in Drupal (version 9.5). First, Thesavvyfew alludes to a code solution that could be utilized:

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
/**
 * Implements hook_form_FORM_ID_alter().
 */
function MYCUSTOMMODULE_form_user_login_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  $form['#submit'][] = 'MYCUSTOMMODULE_user_login_form_submit';
}
/**
 * Custom submit handler for the login form.
 */
function MYCUSTOMMODULE_user_login_form_submit($form, FormStateInterface $form_state) {
  $url = Url::fromRoute('/your/destination/path');
  $form_state->setRedirectUrl($url);
}

Then of course, there is the alternative solution and that is, installing a plugin. We recommend drupal/redirect_after_login as we've just tested it and it works. You can install this plugin as per the instructions, with the following command:

composer require 'drupal/redirect_after_login:^3.0'

We have noted over 10,000 installations of this plugin, which points to high quality implementation of this functionality.

The popularity of the plugin additionally demonstrates its usefulness.