Hello Emily, if you order standard size now (about 1 month making costume time) and use the faster shipping method (Express, 7~15 days shipping time), and everything is smooth, yes, it will able to reach you before Halloween 2022. (n__n)
【1】 All shipping information (including methods, cost & estimated delivered date) will be shown in the order page, before payment; you can pay extra cost to upgrade shipping methods there.
【2】 Please remember to mark down the date (you need it) in the order form when you order it. :)