Originally Posted by
channa
Another solution would be to look for LGA-STT the day before, and book the flight LGA-IAD (overnight) connecting to the IAD-STT you want. That can be done online. Then call in and switch to that day's LGA-IAD.
Wow, pretty good idea. And just remember you can void out within 24 hours with no penalty ... just in case something doesn't work out with this approach.