Tower $34; $31 (ages 62+); $27 (ages 6-12); free (ages 0-5 and military in uniform). The 102nd-floor observatory additional $20. All-inclusive Express Pass for both 86th and 102nd floors (no lines) $80; $60 (86th floor only).
Observation tower open daily 8 a.m.-2 a.m. Last elevator departs 45 minutes before closing. Visitors must pass through primary security screening (similar to airport security procedures). Visitors may encounter long lines and can expect to wait up to 90 minutes.