<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by flychic:
I'm about to use one for the very first time. I called the 1K desk and agent upgraded my entire itinery, 5 segments with one layover with ONE HK-49. I had thought you need ONE HK-49 for one-way travel, but he insisted that only ONE HK-49 was required to the entire trip. Who's right?</font>
HK49 is only usable for ONE WAY. You were able to confirm upgrades on the return because no upgrades are actually deducted before you check in for the outbound, and the again on the return.
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When once you have experienced being a 1K, you will forever fly the friendly skies with your eyes set on 100% mileage bonus and SWUs, for there you have been, and there you will always long to return, every year!