Originally Posted by
clansey1973
I understand HEL-SIN can be upgraded to Business Class from Y for 40,000 Avios, from W for 23,000 Avios.
If I book a Finnair itinerary in either Y or W cabins, how do I know availability exists for an upgrade?
If you can book awards, you can upgrade. Normally awards are not really easy to book, so you need to get on the waitlist first and hope that clears. If you book it flexible you can move the flight if upgrades won t clear.