Alaska Airlines allows one free carry-on bag and one personal item per passenger. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Carry-on bags must adhere to size restrictions (22 x 14 x 9 inches) and personal items can include items like purses, briefcases, or laptop bags. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) For checked baggage, the first bag costs $35, and the second costs $45, with a weight limit of 50 pounds and maximum dimensions of 62 inches.