A recent viral post on X added to the frustration after a traveler slammed a nearly $20 avocado toast purchased at an airport in the South. They took a disposable plastic knife, and they wiped it on a piece of toast," Gruel told Fox News Digital in an interview. TEST YOURSELF WITH OUR LATEST LIFESTYLE QUIZ"More expensive, not as good," Leff said about all airport food in general. The pricey avocado toast is far from the only expensive item travelers find at airport restaurants. "Airport food prices are absolutely out of control," one Reddit user wrote.