I check on the same page as Jenny Quiroz and in fact the price varies depending on the day I go. But according to that page the official price is $ 139 USD. But depending on the day one of you can save 10, 20 or 30 usd per ticket. Similarly if you are followed by travel you can buy the annual pass that is cheaper, if you were several times.
There are many packages that you can choose from and the prices vary on certain days. On their page they give a lot of information about how much they cost each day: https://m.universalstudioshollywood.com/promotions/general-admission-ticket-30/?channel=sem&source=gog&campaign=ush&media=paid&category=directresponse:ous_na:en_all_lang:ga_nooff : b: na & gclid = CjwKCAjw7_rlBRBaEiwAc23rhonsbRCuPwSNkXgmWqGSmVAlzFHRdfTKZxwUev3nse6Sh2PnX1pLvBoC1UwQAvD_BwE
79 $
The entry ticket costs 130 dollars but there are also VIP rates which are however more expensive
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