Okay, she contradicted herself in the conversation, first she says it's okay, then she tells you that everyone would be uncomfortable about it, but then because you bought the ticket, you can still come.
The the fight set her rage in anger and she doesn't want you there.
Well, if you are absolutely certain you weren't invited, then fly down there and enjoy the beach...you don't want to lose your money on this deal.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.