Hi,
Try looking at these links
http://www.speedway-forum.co.uk/forums/ind...showtopic=42302
http://www.hotelbiplan.lv/en/
I recommend the above hotel as a cheap nice place to stay, 5-10 minutes walking from Bus or Train Station, 20 Minutes by foot to the stadium.
Ryanair can be the cheapest flights, Stanstead to Riga. Pick an early flight or you will land too late for a train or bus to Daugavpils, and have to stay in Riga.
Last year the people in Daugavpils were very friendly and helpful, food and drink was very cheap.
Try the Central Bar for wall to wall gorgeous females Disco downstairs, Bowling upstairs. Last year it was still open on the Friday and Saturday nights at 6a.m. when I left (should say crawled out, i'm getting too old had to get some sleep! ).
Hope this helps, if you want to know any more PM me.
All the Best Paul .