Originally Posted by
HNLbasedFlyer
I'm a heavy user of buyups - and I like the opportunity to buyup.
But the discounted buyup is a real thing. Almost 100% of the time at booking the Y to F differential is always more than $350 from HNL to LAX and SFO and vice versus (usually $500 or more). More often than not at purchase - I get a popup at the end of booking offering an upgrade for $350.
That trick never works for flights from EWR or SNA.