And tickets are on sale at category B prices for the game at Kenilworth Road against the Cobblers.
The visitors have sold-out their 1,032 allocation so a big crowd is expected so arrive in plenty of time.
Tickets are available at the Luton Town ticket office, online and - subject to availability - on the turnstile.
Prices: £20 adults, £15 young adults and seniors, £12 golden seniors, £8 youths and £5 accompanied juniors.