Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
flee [fliː] (pt, pp fled) vt (danger, famine) бежа́ть*(impf) от +gen ; (country) бежа́ть*(impf/perf) из +gen
vi (refugees, escapees) спаса́ться (impf) бе́гством
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.