azurecurve

Allows a 16×16 flag to be displayed in a post of page using a [flag] shortcode.
Format of shortcode is [flag=gb] to display the flag of the United Kingdom of Great Britain and Northern Ireland; 247 flags are included.
Defintion of flags can be found at Wikipedia page ISO 3166-1 alpha-2: https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2

azurecurve Flags

Allows a 16x16 flag to be displayed in a post or page using a shortcode.

wepic

This plugin adds a country flags widget to the <a href="https://wordpress.org/plugins/elementor/" rel="ugc">Elementor Page Builder</a>. Elementor plugin must be activated to use this plugin. After you activate the required plugins, the widget will be available for use in Elementor.
This plugin uses <a href="https://github.com/lipis/flag-icon-css" rel="nofollow ugc">flag-icon-css</a>, A collection of all country flags in SVG — plus the CSS for easier integration.
<h4>Installation</h4>
<ol>
<li>Install using the WordPress built-in Plugin installer, or Extract the zip file and drop the contents in the <code>wp-content/plugins/</code> directory of your WordPress installation.</li>
<li>Activate the plugin through the ‘Plugins’ menu in WordPress.</li>
<li>Go to Pages > Add New</li>
<li>Press the ‘Edit with Elementor’ button.</li>
<li>Now you can search for “Language Switcher” in the left panel.</li>
<li>Next, drag and drop the widget from the left panel onto the content area.</li>
<li>Build something amazing!</li>
</ol>

Country Flags for Elementor

Absolutely wonderful addon. Does just what it says, and does it great. Big thanks to the developers for putting this out for free.

Top! These flags made my design so much better!

This plugin adds a country flags widget to the Elementor Page Builder.

azurecurve Flags vs Country Flags for Elementor