Sorry, couldn't find any direct train from Agra to Haldwani, but see other ways of getting there below!

Agra to Haldwani trains

flight price shown is indicative one-way fares, actual may vary | train price shown is for reserved seat / berth | layover time mentioned is for the fastest route in the layover category, it might change as per your traveling dates.
Fare of Rajdhani, Shatabdi & Duronto may change due to Railways' surge pricing. Know more