And Bournemouth boss Eddie Howe is also desperate to land Blues goalkeeper Asmir Begovic.
Ake was loaned to the Cherries at the start of the season and made a big impression during his time on the south cost.
Chelsea then opted to recall him earlier this month with manager Antonio Conte impressed by his displays.
Nathan Ake could be set for a shock return to Bournemouth
Chelsea transfers: Deadline day ins and outs rumours rated
Mon, January 30, 2017
Football Whispers have rated Chelsea's chances in the transfer market ahead of deadline day (1 – unlikely, 5 – likely)
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Football Whispers have rated the likelihood of Chelsea transfer deals (out of 5)
However, the Mirror claim Bournemouth want to bring Ake back to Dean Court.
Eddie Howe wants to re-sign Ake and can guarantee him regular football – something the Blues cannot.
Bournemouth have looked at replacements but Howe is ready to chance his arm late in the transfer window.
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Bournemouth are also keen on Asmir Begovic
It is claimed, however, that both deals hinge on Chelsea signing replacements before tonight’s 11pm deadline.
The Blues are continuing to press ahead with a bid for Celtic goalkeeper Craig Gordon to replace Begovic.
And Bournemouth’s late interest in Ake is forcing Chelsea to look at Schalke’s Sead Kolisinac.