jp2112

This plugin automatically enqueues the Font Awesome CSS file from the MaxCDN CDN. Don’t put the code in your theme, use this plugin instead. Then use the Font Awesome CSS tags as normal.
Based on http://wpbacon.com/tutorials/font-awesome-wordpress-cdn/ and http://fortawesome.github.io/Font-Awesome/get-started/
Disclaimer: This plugin is not affiliated with or endorsed by the creators of Font Awesome.
<h3>If you need help with this plugin</h3>
If this plugin breaks your site or just flat out does not work, create a thread in the <a href="https://wordpress.org/support/plugin/enqueue-font-awesome-cdn" rel="ugc">Support</a> forum with a description of the issue. Make sure you are using the latest version of WordPress and the plugin before reporting issues, to be sure that the issue is with the current version and not with an older version where the issue may have already been fixed.
Please do not use the <a href="https://wordpress.org/support/view/plugin-reviews/enqueue-font-awesome-cdn" rel="ugc">Reviews</a> section to report issues or request new features.

Enqueue Font Awesome CDN

Automatically enqueue the Font Awesome font and CSS toolkit from the MaxCDN network.

Serge Boyko

This plugin makes it dramatically easier to enqueue scripts and styles. 
Manage it from a separate option menu page.
You can enqueue in <code>head</code> or in <code>footer</code>, enqueue in admin dashboard, enqueue only for homepage, 
enqueue for all pages/posts/categories/archives or enqueue for a specific page/post/category.
Choose from any script/style in theme folder or from a specific plugin folder.
It has never been so easy before!

WP Enqueue

This plugin makes it dramatically easier to enqueue scripts and styles. Manage it from a separate option menu page.

Enqueue Font Awesome CDN vs WP Enqueue