Chadli, 30, wants to leave Monaco where he is no longer counted on after just 22 appearances since his arrival in 2018.
The 59-time Belgian international had a good loan spell at Anderlecht this season, scoring eight goals in 15 league starts.
However, Anderlecht have been unable to finance a permanent deal, leaving Chadli in limbo.
Antwerp are his best hope for a permanent move back to Belgium, but they want Monaco to drop their demands
ASM want up to €8m
Monaco are asking for €7m to €8m for Chadli who cost them €12m from West Brom two years ago.
For a player with no resale value, this is too high for Antwerp. Club Brugge also considered Chadli but seem to have moved on to other targets.
No foreign clubs have expressed an interest and Chadli currently expects to play in Belgium again next season.
His eagerness to leave Monaco stems from his hopes of being part of the Belgium squad at Euro 2020 (to be played in 2021).
Chadli is a regular for his country, but his continuity will be in doubt if he isn’t playing regular football.
With no move imminent, Chadli will join up with the Monaco squad for a training camp in Poland.