06-09-2019 08:55 PM
What plan are you on now?
New EE plans have swappable benefits, one of which is the "roam further" option which allows you to use your data in America.
Roam Further Pass
Travelling further afield? The Roam Further Pass lets you use your data allowance in the USA, Canada, Mexico, Australia and New Zealand. Choose it as one of your Swappable Benefits or add it to your plan for just £10 a month.
Look in the EE store.
06-09-2019 09:29 PM
Also all EE Max Plans since 10/05/17 include roaming in USA as well as 4 other non-EU countries.