Alaska Airlines allows passengers to cancel or change flights without a penalty if the action is taken within 24 hours of making the reservation. Here are the critical conditions you need to be aware of: How much does Alaska charge to change a flight date? After the 24-hour period, Alaska ???????????????????????????????? Change Fees will be $200 to change the date and time of their fligh????s. ?? 888-491-1877 (OTA) If your itinerary includes travel within the Alaska States and Canada, there will be no Alaska change flight fee. 24-Hour Window: The flexibility to change or cancel your flight is available only within 24 hours from the time you made the booking. If you act within this window, you can make adjustments to your itinerary or cancel your flight without incurring any fees.