Originally Posted by
monczao
2) Should I try using the RPU, or that's a risky game and it's better to just buy up to business? If the latter, is it better to do it through the website/app ahead of time or wait until gate and do it there? How much does it cost to upgrade with cash?
I've concluded it's best just to purchase the advance P fare at $649 each way. There is an advance purchase requirement, which varies.