Using your phone while travelling in Europe is relatively simple, but “roam like at home” does not mean unlimited data everywhere under every plan. Here is the practical version of the rules for 2026.
Where roam like at home applies
When you travel temporarily to another EU country, calls, SMS and mobile data are generally charged according to your domestic plan. The regime also covers Iceland, Liechtenstein and Norway. From 1 January 2026, Ukraine and Moldova joined the EU “Roam Like At Home” area as well.
That does not mean every European country is automatically included. Before travelling outside this area, check your operator’s tariff for the destination.
Can your roaming data be limited?
Yes. If your plan includes unlimited or very low-cost mobile data, your operator may apply a fair-use data allowance while roaming. The operator must inform you about the applicable allowance and conditions.
With a standard plan containing a limited data bundle, you can normally use that allowance while travelling in the EU, unless the domestic data price is low enough for the regulated fair-use mechanism to apply.
A useful rule before departure is to check the “EU roaming” section in your operator’s app or website. It is more reliable than a generic calculator because your allowance depends on the price and structure of your own plan.
What if you stay abroad for a long time?
Roam Like At Home is designed for periodic travel, not permanent use of a SIM from one country while living in another. Operators may monitor presence and usage over a four-month period. If you spend more time abroad than at home and also use more mobile services abroad, the operator may contact you and, if the pattern continues, apply regulated surcharges.
Be careful on ships and aircraft
EU roaming protections apply when your phone is connected to a terrestrial mobile network. On a ship or aircraft, a device may connect to a satellite network, where EU roaming price caps do not apply. The safest option is flight mode or disabled data roaming until you are back on a terrestrial network.
What to check before travelling
1. Whether your destination is inside the Roam Like At Home area. 2. How many roaming GB your specific plan includes. 3. How your operator warns you when you approach a fair-use limit. 4. Prices for destinations outside the EU/EEA and other included countries. 5. Whether your phone could connect to a satellite network on a ferry or aircraft.
The practical takeaway
For a normal holiday or business trip within the EU, you use your phone under domestic conditions, although data allowances and fair-use rules may apply. Ukraine and Moldova have also been covered since 1 January 2026. For the exact data allowance and any possible surcharge, check your own mobile plan immediately before travel.
