Promo Code: Six Flags

Go to the above page, select your park, and a pop-up window will come up with the promotion (so have pop-up blocker turned off!). $10 tickets into the SF park of your choice. It was a special they were promoting on SF's official Twitter feed. Offer is only available until 4 pm EST today (Thursday June 11th).

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If you can't stand the heights, get out of the line.