One thing you’ll likely hear when looking up what is Expedia cancellation policy for flights is the 24-hour rule. If you have already purchased your flight ticket and don’t want to go on the trip after the tickets were purchased, you are still within 24 hours from the booking, you can get a refund of the fare regardless of your choice of ticket. It covers most of the bookings that are made a week earlier to the date of the intended journey or any other subsequent date.