it so happens that...

it (just) so happens (that)

Surprisingly or by an unlikely coincidence. You're looking for a room to rent this winter? Well, it so happens I've been looking for someone to sublet my room! It just so happens that we'll be in the Bahamas then.
See also: happen
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

it (just) so ˈhappens that...

by chance: It just so happened they’d been invited to the party too.
See also: happen
Farlex Partner Idioms Dictionary © Farlex 2017
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