Parc Asterix is open from 04/04/20 - 31/08/20 (closed Mondays and Tuesdays in May).
In addition Parc Asterix opens on Saturdays and Sundays from 05/09 - 11/10 and daily from 17/10 - 31/10.
Tickets bought at the parc entrance: 1 day Adult (12 years and above) €51, 1 day Child (3 to 11 years) €43. Infants 0-2 years go free.
The entrance tickets give access to all shows and attractions for the whole day (apart from skills and arcade games). Discounts may be available for advance purchases (book at least 7 days before your visit). Family tickets are also available for families buying 5 or more tickets.
Hop on a shuttle bus from Paris. Take a bus from the coach park at the Carrousel du Louvre (follow signs to 'parking autocar') to the theme park. The coach can be pre-booked on the Parc Asterix website, which has details of departure times and pick up points.