How Much Does It Cost To Change A Flight With American Airlines. How much does it cost to change a flight with American Airlines? American Airlines flight allows the passengers to change their flight’s date or destination. Most of the passengers because of sudden emergencies wish to change their flight date. But they are not aware of the possible changes made by the airline. Visit here for more info:- https://blog.cheapestflightsfare.com/how-much-does-it-cost-to-change-a-flight-with-american-airlines/