Western Union promotion codes are available at coupon websites like Coupons.com and RetailMeNot as well as on the Western Union website. Most promotions offer discounts on Western Union fees when the user sends or accepts money.
As of April 2015, Coupons.com offers promotion codes for $1 Western Union fees for U.S.-based transfers and $4.99 fees for international money transfers. Similar deals are available through RetailMeNot.
At Western Union's official website, users can earn cash back by referring friends. When a referred user sends $50 or more via Western Union and names the referring party, the person who extended the referral can receive a $20 Amazon gift card. Users are welcome to take advantage of this offer up to five times.