do i need a printout of my esta to travel
Answers. Best Answer: There is no way no retrieve the ESTA authorization number; if you need to make required changes you need to get a new authorization. Note that flight details and address columns are optional to be filled and do not need to be updated.You do not need a printout of the ESTA to travel; airlines are able to check your authorization electronically. Source(s): https://help.cbp.gov/cgi-bin/customs.cfg... ..https://esta.cbp.dhs.gov/esta/WebHelp/ES... ..nswers. Best Answer: There is no way no retrieve the ESTA authorization number; if you need to make required changes you need to get a new authorization. Note that flight details and address columns are optional to be filled and do not need to be updated.