You can find Atlant-Soyuz flights on Wingie. Wingie directly gathers instant data of the airline and compares it with other airlines. You can view all Atlant-Soyuz flights for the date and destination you are looking for, and compare prices with other airlines.
For your Atlant-Soyuz flights booked from Wingie, you can check-in online here and PNR inquiries via this page.
