Alaska Airlines' cancellation policy allows for free cancellation and a full refund within 24 hours of booking, as long as the flight is scheduled for more than 24 hours after the purchase. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) After the 24-hour window, Saver fares are non-refundable, while Main Cabin and First Class fares are eligible for a credit toward future travel with no cancellation fees. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) For award tickets booked with miles, there are also no cancellation fees, and miles are refunded.