You can get buy one get one (BOGO) Six Flags coupons for free online. There are a few discounted websites that offer valid discount coupons for your spring, summer and fall fun. There is nothing like having fun and saving money at the same time. So, if you have two or three kids, it will be like paying for only two tickets with a buy one get one free deal. That leaves more money for you to spend on food and souvenirs. Offers like these do not last forever, so I would recommend going online as soon as possible to purchase your tickets.