JetBlue's baggage policy depends on your fare type, with Blue fares requiring a fee and Blue Plus/Mint fares including one or two free checked bags. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Standard checked bags must be 50 lbs or less and 62" linear (L+W+H). Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Carry-on bags have dimensions of 22" x 14" x 9". Fees vary by fare, destination, and when you purchase them, with a discount for pre-purchase and higher charges during peak travel times.