Yes, you can do it. The cost will depend on the airline you are using.
Definitely contact your airline. There has been enough room on flights from KC. Make sure you call.
Andre' you would have to contact your airlines or who ever you booked your flight through. Their will probably be a small fee. But it is possible or it used to be.
You can NEVER change the destination of your flight. You can change your flight for you to go to a different destination......trying to change the destination of your flight is illegal, it would be "Hijacking" and it carries a lifetime in prison.
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