Have you already seen our Ultimate Airport Lounge Guide?
We flew a return flight from Helsinki to Munich by airBaltic. The flights were inexpensive and well organized except that the flight back to Helsinki was delayed a lot. airBaltic handled all its responsibilities moderately well after reminding them about EU regulations.
Riga airport is a cosy and small airport to especially for connecting flights. Read our review about its newest lounge called Primeclass Business Lounge.