Tigers face Saracens in the final at Twickenham Stadium on Saturday, May 28 (kick-off 3pm) and tickers are available priced £36 and £46 adults, ort £11 juniors (15 and under).
From Thursday morning, sales will be open to all supporters.
Any unsold tickets have to be returned to Twickenham on Tuesday, May 24.
Tickets can be purchased via the Tigers ticket hotline on 0844 856 1880, by visiting the Welford Road ticket office or online at www.leicestertigers.com
The ticket office is open 8.30am-5pm weekdays, until 8pm Wednesdays, and 9am-5pm Saturday.
You can also book coach places for the Twickenham trip with Tigers Travel Club. Supporters' buses leave Welford Road at 9am and depart Twickenham one hour after the final whistle. Cost is £21 season ticket holders and members, £24 for non-members.