I see things about displaced peoples camps in western Europe and many jews wanting to go/moving to western Europe or anywhere but eastern Europe. I have a hard time finding how jews were treated after their liberation in eastern Europe, or where they went.
Obviously after the war there were thousands of displaced Jews and other holocaust survivors that needed places to live. Some feared returning to where they once lived because of the anti-Semitism that they had felt with before they were taken away. Some of this was for good reason. There were anti-Jewish riots in Poland after the war, one in the town of Kielce in 1946 that killed a least 42 Jews and injured many others. Plenty not wanting to return to that headed to Western Europe. They were housed in refuge camps/ displaced person camps in places like western Germany that were administrated by the United Nation Relief and Rehabilitation Administration as well as the western allies. So basically fear of and still existing Anti-Semitism did push many to leave Eastern Europe. Once the nation of Israel was created we saw many leave Europe to head to the Jewish friendly state.
Source: http://www.ushmm.org/wlc/en/article.php?ModuleId=10005129