FlyerTalk Forums - View Single Post - Buying additional seqments
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Old Jan 30, 2002 | 12:28 pm
  #10  
Darren
10 Countries Visited20 Countries Visited30 Countries Visited20 Years on Site
 
Join Date: Sep 2000
Location: Circle City
Posts: 3,568
You calculate the fare difference as if the ticket was originally issued with that fare code. In other words, if you flew half your trip in D and want to upgrade to A, you will pay as if the whole trip was in A.
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