Do flight prices go down at night? https://www.global-gathering.com/opinions/12244 Many people might not believe it, but timings do matter when buying a flight ticket. However, there is no fixed time, date, or day when a passenger can navigate the cheapest flight reservation. So, just like other U.S. airlines, American Airlines also launches its flash sale and slashes down the ticket fares so that its customers can save a little money and meet their travel requirements in the best possible manner.