HomeAway Extra $25 Off on 12 Month Listings Coupon Code for HomeAway.com. Over 1 million listings at website. It is the world’s leading online marketplace for the vacation rental industry. HomeAway, Inc. is a vacation rental marketplace with rental listings in 190 countries, and has 1588 employees. It has operated through 40 websites in 22 languages as of December 31, 2014.