Irish plans in the USA
USA roaming costs for Irish travellers
Compare verified USA roaming options for Irish mobile plans. Check eligibility, daily limits and trip costs before deciding whether you need an eSIM.
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eSIMs, Made Simple
Find your ideal plan
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Supported networksSee current coverage for your destination.
Popular destinations
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Travel planning
Explore all resourcesPractical resources for travelling to the USA.
Compare Irish roaming options, estimate the data you need and prepare your phone for airports, family holidays and road trips.
USA roaming calculator
USA roaming cost calculator
Estimate USA data costs using your Irish plan, trip length and data needs. See the assumptions and compare with a suitable live suitcase.ie eSIM plan.
USA data worksheet
How much data does your USA trip need?
Estimate data for your USA holiday from your own usage, streaming and Wi-Fi plans. Compare allowances without automatically buying the largest package.
Networks and coverage
USA mobile networks and coverage
Learn how to check AT&T, Verizon and T-Mobile coverage for a USA trip, and distinguish a network's coverage map from your travel eSIM's actual access.
Two-line setup guide
USA eSIM setup
Check compatibility, install your USA eSIM and choose the correct data line. Understand activation timing, home-line roaming and calling limitations.
New York first-hour checklist
JFK and Newark arrival connectivity
Prepare your phone for JFK or Newark arrivals: save transfer details, check airport guidance, connect your data line and plan for limited offline navigation.
Florida family planning
Florida family mobile data
Plan mobile data around Orlando arrivals, Disney Wi-Fi, family phones and days away from the parks. Work out what you need without assuming unlimited data.
Offline road-trip preparation
USA road-trip coverage and offline maps
Check mobile coverage along a US road trip and prepare offline maps, park information and essential details. Understand what a travel eSIM cannot solve.
Destination directory
Explore eSIMs by region
Travelling somewhere else? Browse suitcase.ie eSIMs by region or go directly to a destination.
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Three simple steps.
Choose your destination
Start with the country you’re travelling to.
Choose your plan
See current plans immediately or ask for help choosing.
Pay, receive and install
Pay securely, receive your QR code on screen and by email, then follow the instructions for your plan.
Estimate my data
Not sure how much data you need? Get a quick estimate based on how you use your phone when you travel.
Estimate nowCheck your phone
Make sure your phone supports eSIM and is network-unlocked before you travel.
Check nowPlan with clearer information
Travel data resources
Practical research and tools to help you understand mobile data before you travel.
Explore all resources2026 Data Roaming Benchmark
Compare indicative Irish roaming costs for 5GB of data over seven days across destinations.
Data calculator
Estimate how much mobile data your trip may need.
eSIM compatibility
Check whether your phone supports eSIM before buying.
Good to know
Answers before you buy.
What is an eSIM?
An eSIM is a digital mobile plan installed on a compatible phone. It lets you add travel data without replacing your physical SIM.
Will my phone support eSIM?
Support depends on the exact model and regional variant. Use our compatibility checker and confirm that the phone is network-unlocked.
When should I install my eSIM?
Follow the activation rule shown for your specific plan. Some plans can be installed before travel; others begin when installed.
How will I receive my eSIM?
When your eSIM is ready, its QR code is shown securely on screen and is also sent to your email with installation guidance.
Ready when you are
Find the right eSIM for your trip.
Reliable travel data wherever you land.