Hello
Angelique Nguyen, if you order this costume in standard size and use UPS shipping (4-6 days shipping time) now, yes, it can reach you before 19th Oct. n_n
*You can order custom size and use UPS shipping, it probably can reach you on time, but we cannot guaranteed this. :)
*All shipping information (methods, cost & estimated delivered date) will be shown in order page, before payment.