One of the most reasonable baggage rules is offered by JetBlue Airways, with prices that are exactly around the average and reasonable. Do you intend to use JetBlue Airways as your carrier? You can learn everything you need to know about the JetBlue Airways baggage allowance policy, fees, and limits right here. JetBlue Airways permits its customers to bring one piece of cabin baggage and one complimentary item, such as a suitcase, photographic equipment, or a modest backpack, on board. Your carry-on luggage should fit in the overhead bins on JetBlue Airways or beneath the seat in front of you.