"international data plan" is a correct and usable phrase in written English.
You can use this phrase when you are referring to a phone plan offering coverage outside of the country in which it was purchased. For example: "I had to get an international data plan for my phone before I left on my business trip to London."
Publicists know where to have dinner, which hotels are cheaper (this year, in the upscale Yorkville area, as the festival has moved down to the entertainment district, where prices are up), and how to get a cheap international data plan for your smartphone.
This makes it perfect for travel apps that a user can download before a trip and then use internationally without needing a (costly) international data plan.
Before you set sail, check with your phone service provider to see if international roaming is covered or if you'll need to purchase an international data plan.
If you want to be constantly connected, consider purchasing an international data plan.
Options include hot spots, your smart phone with an international data plan, or the Kindle Keyboard as described above.
If you carry your smartphone over an international border and you do not have a free or pre-purchased international data plan, either disable your cellular data or place it on airplane mode.
AT&T has upgraded its international data plans for travelers.
AT&T charges $10 for each 10 MB of data used above and beyond its international data plans.
If that sounds too frustrating and you're an AT&T or Verizon customer, consider their newly competitive international data plans.
* There are two international data plans for iPhone customers: $25/month for 20 MB of data in 41 countries, or $60/month for 50 MB of data in 41 countries.
It's been almost exactly a year since T-Mobile launched its unlimited international data plans but I never had a chance to give it a try until recently.
