The most recent posts on this topic are a couple of years old.
Anyone got any recent news on split kiteboards for travel? Who is still making them?
This one still seems live:http://www.kitesurf-ventdefolie.fr/PBSC ... ID=1548878
And these look cool but maybe a bit heavy (3.5kg bare, 4.5 with bits)http://www.seathroughboards.com/
Maybe DIY from an old twintip is the way to go.