DENVER--(BUSINESS WIRE)--Smashburger, the national better burger restaurant known for its fresh, smashed to order burgers, is pleased to announce partnerships for new airport locations. Answering the demand for better tasting meal options for travelers on the go, Smashburger has partnered with global restaurateur HMSHost, the largest airport food and beverage operator in the country to introduce the brand’s fresh, made to order burgers at the following venues: Houston George Bush Intercontinent