The Germany international has been widely tipped to leave Dortmund this summer and Old Trafford has been touted as a possible destination for the midfielder.
Now, the star’s girlfriend has fuelled speculation linking Gundogan with a transfer to Manchester United by posting a picture of an airport departure board featuring a flight to Manchester.
Sila Sahin posted the picture above on her Instagram account and wrote: “Where am I?”
Gundogan has scored three goals and made three assists in 22 Bundesliga appearances for Dortmund this season.
The midfielder joined Dortmund in 2012 but recent revealed that he won’t be signing an extension to his current contract, which expires in 2016.
Manchester United play their final game of the Premier League season against Hull City on Sunday, before Louis van Gaal turns his attentions to the transfer window.
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