Blues (14) 14
Tries: N. Robinson, Czekaj Cons: Blair (2)
Edinburgh (3) 36
Tries: Penalty try, Cairns, De Luca (2), Godman Cons: Paterson (4) Pens: Paterson
Jamie Robinson was sin-binned on his final appearance for the Blues
Cardiff Blues were denied victory in their final game at the Arms Park as Edinburgh's second-half revival secured an unprecedented sixth straight win.
The signs looked good for the Blues as they led 14-3 at the break with tries from Nicky Robinson and Chris Czekaj.
But Edinburgh were a different side in the second half, with a penalty try and Ben Cairns's score putting them ahead inside the first five minutes.
Phil Godman crossed either side of two Nick De Luca tries to wrap up victory.
The bonus-point win on the final day of the season lifted Edinburgh above Leinster to second place in the Magners League table, while the Blues finished as the third ranked Welsh region in sixth.
The Arms Park faithful turned out in force expecting a fitting farewell before the move to a new stadium, and the players delivered the perfect start with a try after just five minutes.
In fact the script could hardly have been bettered as the Robinson brothers - both playing their final game for the Blues before moving to pastures new - combined to get the party started.
Centre Jamie was the architect as he intercepted an Edinburgh pass in the visitors' 22 and fly-half Nicky was on his shoulder to take the pass and race under the posts.
Nicky Robinson then turned creator for the second try after 31 minutes as a simple scissors move with Czekaj opened a huge gap for the wing to run in unopposed.
Blair converted both, with Edinburgh's only response of the half coming from a Paterson penalty after 16 minutes.
But that was as good as it got for the home fans as the visitors snatched control with four tries in a devastating 16 minutes.
The first came courtesy of a penalty try as Jamie Robinson was judged to have prevented a try-scoring opportunity by interfering with the ball while in an offside position.
Paterson converted in front of the posts and Robinson was sent to the sin-bin.
The second arrived three minutes later from turnover ball on the halfway line, with Cairns benefiting from the numerical advantage to cross in the right corner.
De Luca then finished off another fine attacking move to score under the posts after 56 minutes before a tired and disorganised Blues defence was punished further as Godman crossed for the fourth.
Paterson's third conversion gave Edinburgh a 29-14 lead going into the final 15 minutes.
Any hope of an unlikely Blues comeback was soon shattered when De Luca intercepted prop Rhys Gill's lazy pass to score a second try under the posts.
Cardiff Blues: Blair; Mustoe, J. Robinson, G. Thomas, Czekaj; N. Robinson, Allinson; Gill, T. Thomas, Yapp, D. Jones, Morgan, Warburton, Sowden-Taylor, Molitika.
Replacements: Flanagan for Blair (72), Sweeney for G. Thomas (65), Downes for Allinson (65), Hobbs for Gill (60), Johnson for T. Thomas (69), Down for D. Jones (40), White for Warburton (72).
Edinburgh: Paterson; Houston, Cairns, De Luca, Webster; Godman, Laidlaw; Traynor, Ford, G. Cross, C. Hamilton, J. Hamilton, Newlands, R. Grant, Hogg.
Replacements: A. Turnbull for Houston (67), Southwell for Godman (53), Meyer for Laidlaw (72), MacLeod for J. Hamilton (67), Mustchin for Newlands (40).
Not Used: Kelly, R. Grant.
Ref: Simon McDowell (IRFU).