Yes, this is doable.
Here is a screencast walking through how to do this with Make (Integromat):
Here is a screencast walking through how to do this with Zapier while also storing the form submission (if you like) into the Webflow CMS:
The approaches are basically the same, add the URL you’d like to submit your form to within the forms “action” field found in the Webflow Designer for any form block element.
When you export your site, those settings remain and everything will continue to work as it normally does.