You can, indeed! If you cancel your tickets within 24 hours of placing your purchase, you will receive a full refund under Alaska Airlines 24-hour cancellation policy. You only need to go to the managed reservation page to cancel your flights online. There can be a cost to modify or cancel your reservation, depending on your fare. If there is a cost, it is in addition to the fare difference and is $125 (USD) per passenger, per change. On Spare Fare, you can sell your flight. We are similar to eBay for booking travel, with the added advantages of safe transports and knowledgeable customer assistance. Using the portal Spare Fare, you can make your money back for a non-refundable ticket by reselling your flights to other people. Spare Fare offers fraud protection for buyers and sellers to maintain security and prevent money loss. To sell your flight, go here.