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Thread: Using United Miles to Upgrade on Swiss from Biz to First
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Old Sep 26, 2019 | 6:19 am
  #8  
flywithmiles70
5 Years on Site
 
Join Date: Nov 2018
Location: Philadelphia, PA
Programs: Marriott Platinum, American Airlines Gold
Posts: 27
Originally Posted by cfischer
not true for UA miles. C and J only.
Looks like our biz class ticket on LX is booked in class P. Can you please confirm whether I can upgrade that fare class with UA miles to First? If so, what's the process with LX. Thanks.
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