re: Avianca "Life Miles" - New FF program in *A
Lifemiles is a very interesting beast. There is no logic in the way it shows award spaces.
Sometimes there are award spaces that are obviously bookable separately, if you combine them together, it won't show as the itinerary becomes too "complicated" for LM, even tho it doesn't breach their routing rule (ie. no mix cabin, max layover 8 hrs). Sometimes it won't allow you to connect a flight on the "next day" even tho the layover is within 8 hrs. Eg, you arrive at 11pm and connecting flight departs at 1am the next day. But sometimes it will allow!
But I can't find the logic what is "complicated" for LM. The other day I was search for flights between SYD to NRT, it showed availability on Air Canada from SYD to NRT via YVR!! Seriously? Would anyone go to Tokyo via Vancouver? And it only costed 20000 miles oneway! (Coach of course) It would've been a cheap way to go to Canada by throwing away the YVR - NRT leg.
I try to take advantages of these. The other day I got myself business class PER to São Paulo Brazil for only 42500 miles oneway! The cheapest 20 hr business class flight I've ever redeemed!
Like other said, be flexible and buy cheap short haul tickets in economy if you can't combine the itinerary. If it won't show on the website, you can't book it! Simple as that. In my case, I'll just purchase a oneway ticket to Perth to connect my flight to São Paulo.