In this story: What size can a carry-on bag be? It depends on which airline you're flying ... while and Frontier Airlines and ...

Between finding a carry-on that will fit in most ... fare on a no-frills carrier like Frontier or Spirit, you’ll generally want to stick with a bag measuring 8 x 18 x 14 inches or smaller ...

Even though much of my job as a travel writer involves testing suitcases, I usually prefer to fly with a carry-on backpack when I have the choice. You just can’t beat the sense of freedom that ...