Travelers roll their luggage at a baggage claim area at Los Angeles International Airport Monday, April 25, 2022, in Los Angeles. Traveling with kids is expensive — and hard. You need to budget for extra airfare, a bigger rental car and additional lodging, plus account for naps, snacks, tantrums and blowouts when packing and planning your itinerary. (AP Photo/Marcio Jose Sanchez, File)