The Rio Grande Plaza Hotel, located in Laredo, Texas, has room rates starting at $52.80 a night. This 3 Star hotel is one of the hotels in 78040 zip code. The Rio Grande Plaza is a round 15 story tower, full service hotel with the largest guest rooms in Laredo. On the Rio Grande River next to the international bridge. A 10 minute walk from front door to dining and shopping in Old Mexico. Spectacular night time views from every guest room. Elevated pool overlooking the river and Old Mexico. Spectacular night time views from every guest room and great restaurants.