Can you book Avios flights earlier than 355 days? With Qatar, Finnair and Iberia, yes

355 days in advance is BA's booking window, but this isn't an Avios rule. Seven airlines now use Avios (being BA, Qatar, Iberia, Aer Lingus, Finnair, Loganair, and Vueling), but each opens bookings on its own schedule, with a few opening earlier than BA's window. This isn't a trick for getting BA seats early. BA opens at 355 days, and that's that. It's that Qatar, Finnair and Iberia start selling…