Originally Posted by mevl

Please make this super simple for me. My companion ticket expires tomorrow.

If I book a cheap full fare flight from BLI to SEA ($400 for 2) for Nov 2011 and later change it to BLI to HNL does the companion still get to fly to HNL for only $100, or do I just end up with a
$400 credit to buy 2 flights - which is no advantage at all really.