Where can I link my British Airways and Finnair Plus accounts?
You can link your British Airways Executive Club and Finnair Plus accounts in your Finnair Plus account. Log in to your Finnair Plus account and go to the Balance and transactions page. Follow the instructions on the page. You can also follow the step-by-step guide on the Transfer Avios between Finnair and British Airways page.
Currently, it’s not possible to link your accounts and transfer Avios within the Finnair app.