Originally Posted by
G-CIVC
No, you cannot.
You have EWR-HKG in E. Your options are
1) Upfare to R (next PE bucket) and upgrade by asia miles subject to availability, 27,500 asia miles one way; or
2) Upfare to I (subject to your ticket fare rules) but the difference is likely to be astronomical.
3) Chance an op up as BA Gold.
This is good recommendation.
Op: #1 might not be too bad, especially for one way. You should check. It might only be $300 USD or do plus the Asia Miles.
This will be really easy if you already have Asia Miles. If you're not an Asia Miles regular, since I don't think any currencies transfer instantaneously to AM, this is more of a pickle.
If you DO have Asia Miles and at least infrequently use them, then keep 30k miles in your account on standby, and then you get the airport ask 1) if biz "Instant Upgrade" award space are available (this is Asia Miles parlance for an Asia Miles upgrade award processed at the airport, instead of in advance), and if so how much the upfare to R is. This would be best.
Because if you aren't an Asia Miles regular, it will suck to transfer the miles to AM only to find out no inventory is available into U (biz award inventory) for the Instant Upgrade.
And as said above, only currency you can use to upgrade CX tickets is Asia Miles.