The Owls head to Reading on Saturday in the Championship and supporters can pay on the day at The Madejski Stadium.
Over 3,200 tickets have been snapped up by Wednesdayites for the trip to Berkshire.
Tickets purchased on the day of the game are subject to an increase in price and will be as follows;
Over 65: £16
Under 18s: £8
Supporters can pay on the day from the South Stand Ticket Office from 1.30pm.
Owls fans can also purchase tickets by telephone from 9.00am on Saturday by calling 0118 968 1313.
Pre-paid tickets and duplicates will be available for collection from the South Stand Ticket Office after 1.30pm.
Visiting fans travelling by car should be aware of the M4 road closure between Junction 13 (near Chievely) and Junction 12 (near Theale).