Opening Hours on Ile de la Cite

The ile is a residential district and hence roads to and from it are open at all times, however of course some of the major items that you may wish to visit do have their own hours. Here are the major ones:
Notre-Dame Cathedral – Reopened December 8, 2024. Open Monday–Friday 7:50am–7pm (Thursday until 10pm), Saturday–Sunday 8:15am–7:30pm. Free admission but advance reservations strongly recommended at official reservation website to avoid long waiting times. With nearly 40,000 visitors expected daily, time slots guarantee entry without delays.
Sainte-Chapelle – Opening hours vary by season: January 1–June 1, 2025 & October 1, 2025–March 31, 2026: 9am–5pm daily. June 2–September 30, 2025: 9am–7pm daily. Closed January 1, May 1, December 25. Last entry 40 minutes before closing. Tickets: €11.50 (low season), €16.50 (high season, except Wednesdays at €11.50); Combined Sainte-Chapelle/Conciergerie: €17 (low season), €21 (high season). Free for under 18s, EU residents 18–25. Advance booking strongly recommended at official website.
La Conciergerie – Daily 9:30am–6pm (last entry 5:15pm). Closed May 1, December 25. Tickets: €11.50 (low season), €16.50 (high season); Combined with Sainte-Chapelle: €17 (low season), €21 (high season). Free for under 18s, EU residents 18–25. Advanced booking recommended through official monuments website.
Flower and Bird Market (Marché aux Fleurs Reine-Elizabeth-II) – Flower market: Monday–Sunday 9:30am–7pm. Bird market: Sundays only, but status is under review due to animal welfare concerns (may be suspended or limited). Please check before visiting for the latest status.