Originally Posted by
SEA1K4EVR
You can upgrade only the DEN-NRT segments booked in B class with no copay but you'll have to call to do it.
I might just do this if I am going to purchase this trip.
Originally Posted by
mobilebucky
I originally booked ORD (L)-DEN (B)-NRT and back, it is a bit cheaper this way. But when they finally confirmed and check the upgrade option, all I can see is 30k miles + $600. There is no way to do segment by segment upgrade online.
So I booked another DEN-NRT RT to compare, sure enough, upgrade is only 30k miles.
Now I have DEN-NRT RT and cancelled my original ORD-DEN-NRT RT. I am crossing my finger K fare ORD-DEN show up one of these days

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Price difference for booking a single NPR vs 2 separate NPRs were about $40.
Should I wait to call? Per MR rule? Just checking b4 pxxxOff everyone.
The difference in fare for me is $28. Almost not worth the hassle to book two PNRs.