Although airport food has improved over the years, it is still crazy expensive and typically not that healthy or fresh. Even though it involves a little prep, I prefer to pack our family's food. After we cram our carry on bag with a baby doll, a blanket, iPads, headphones, etc. our space is usually limited, so I opt for foods that do not require an ice pack. Some of my favorites are: 1. PB & J sandwich (our daughter will not eat jelly so we just make a sandwich with this) 2.