Tickets on sale until Friday morning at WHCS.
Fans wishing to buy cup tickets from the Town Shop will be able to do until 5pm on New Year's Eve.
Tickets will be on sale all week from the stadium Ticket Office, before going off sale on Friday morning. They will then be on sale on the night in Cardiff as the U's look to make it through to Round Four.
Prices for the game are as follows:-
Safe trip to all those U's fans making the journey and we look forward to seeing you in Wales on Friday!