$150 extra for bags that exceed the size limit; bags over 115 linear inches cannot be transported. Checked luggage fee: Allegiant's checked bag fees vary depending on how far you're flying ...

Carry-on luggage size restrictions vary by airline-here's how to tell if your suitcase, backpack, or duffle bag is small enough to bring as a carry-on.

Gone are the days when all or most economy airline tickets would automatically include a free checked bag: Nowadays, you'll generally have to pay extra for that convenience. Unfortunately ...