Tkts booth leicester square sells day-of tickets 20-50% off. Opens 10am but arrive 9am for hamilton lion king popular shows. They post available shows on boards around 9:45am.

Preview performances 1-2 weeks before opening cost £15-30 vs £50-80 regular prices. Basically dress rehearsals but same quality honestly. Check individual theatre websites for preview dates not general booking sites.

Wednesday matinees 2:30pm consistently cheaper than evening shows. Perfect avoiding evening rush and still time for dinner after. Some theatres do Wednesday evening discounts but not universal.

Student rush tickets exist but need uk student id usually. Rush releases 2 hours before curtain box office only no advance booking.