FlyerTalk Forums - View Single Post - Upgrading Avis car booked through BA Holidays?
Old Aug 14, 2018, 7:15 am
  #31  
windowontheAside
 
Join Date: May 2012
Location: Ipswich
Posts: 7,543
I seem to think that one time, I upgraded a BA holidays booking directly through the Avis app. Have you tried that? I am Preferred, so maybe that helped.
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