Originally Posted by
elventhor
So it seems. If I'd alter the contents of a contract after signing it and tell my clients to take it or suck it, they'd sue the balls off of me.
Which particular provision of the contract was altered?
If you read the document, you will see that no such thing occurred and thus no reason to sue anybody or anything.
As OP himself acknowledges, there is no better option that what he now has. Accordingly, his choices are to cancel for a refund or fly the reroute.