From $49.50, choice of 5 Cirque shows

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Buy one full-price ticket to your choice of five popular Las Vegas shows from Cirque du Soleil and get a second for just $20. When booked individually, this comes out to a savings of up to 40% per ticket.

Dates in 2013 and early 2014.

Tickets: Cirque du Soleil, $49.50 & up -- Cirque du Soleil: Choice of 5 Shows in Vegas | Travelzoo