Tigers open their Heineken Cup season with a Pool 5 trip to Ulster this Friday, and return to home soil a week later for the clash with Treviso.
The Italians make their third trip to Welford Road after opening their campaign at home to Montpellier in Round 1.
Treviso have triumphed against Munster in the Celtic League already this season and beat Connacht 23-3 on Friday evening.
All fixtures in the Heineken Cup pool stages are included in Tigers season tickets.
Match tickets for all other supporters are available now. Call in at the Tigers ticket office to book or phone 0844 856 1880. The ticket office at Welford Road is open 8.30am-5pm every weekday, until 8pm Wednesdays and 9am-5pm Saturdays.
Or click here to book online any time.
Foir Friday's opneing game in Europea, at Ravenhill in Belfast, Ulster Rugby have released another 1,000 tickets for the West Terrace and these are on general sale now direct from the host club. Phone 0844 847 2455 or click here to buy online.