The Northern Ireland international, 20, has made two appearances for Leeds, both of them coming in last season's Carabao Cup.
"I'm at that age now where I want to experience more senior football as it'll help a lot in my career going forwards," he told the club website.
"This is a great opportunity for me to put some good performances in."
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!