Bury stole the points at the Causeway after Roger Johnson had given the home side the early advantage.
Dave Flitcroft’s long range effort to deceive Frank Talia in the Wycombe goal all but ended Wycombe’s dream of making this season’s play-offs.
"The keeper was drifting a little and he was off his line so I delivered a cross-cum-shot - if you put it in that area you've always got a chance," said Flitcroft.