The cheapest flight to Sofia you can get by boooking 8 days before departure.
The most popular airlines on the route Riga - Sofia: Air Baltic (BT), Lufthansa (LH), LOT (LO).
The cheapest flights you can book on the route Riga Intl Airport (RIX) - Sofia Airport (SOF).
There is no direct flight on the route from Riga to Sofia
Il volo con scalo più breve dura 6h 23min.