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HelloRoam's USA eSIM starts from €2.48 and taps into 199+ carrier networks across 185+ countries. Scan the QR code and you're online in under two minutes, on any eSIM compatible phone. Your Three Ireland, Vodafone IE, or Eir number keeps running on dual SIM.
199+
local networks
5G
5G support
2 minutes
to activate
![USA [[networkType]] network speeds](/icons/figma-2026/stats-speedometer.svg){kind=icon}
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US tourist sim plans covering all 50 states on local networks
Cheap eSIM for United States, starting from €2.48. Local 4G/5G data on top carrier networks in United States. Works on all eSIM compatible phones. An eSIM US from HelloRoam is the smart way to avoid Eir or Vodafone IE roaming charges on a two-week trip. Plans start at €2.48 and cover all 50 states on local networks. Activate by QR at home before flying from Dublin. No roaming charges, no contract. GDPR-compliant checkout, 180-day refund guarantee on unactivated eSIMs.
USA eSIM with fast 5G coverage
HelloRoam offers eSIM plans for the United States from €2.48. Connect on 5G and 4G networks including T-Mobile, Verizon, and AT&T. Activate your eSIM at home before flying from Dublin or Shannon.
- Plans start at €2.48 with 5G speeds
- Coverage from AT&T and 1+ other operators
- Instant activation in under 2 minutes
- 180-day money-back guarantee
- USA coverage across major cities
- Network
- 5G
- Plans From
- €2.48
- Activation
- Under 2 min
- Guarantee
- 180 days
How to Set Up an eSIM in USA
Pick a data plan for your destination and complete checkout online.
Scan the QR code to install your eSIM instantly.
Your eSIM installs instantly and activates the moment you land.
Track usage, top up data, and manage all your eSIMs in one place.
Pick a data plan for your destination and complete checkout online.
Scan the QR code to install your eSIM instantly.
Your eSIM installs instantly and activates the moment you land.
Track usage, top up data, and manage all your eSIMs in one place.
Trip changed? No bother, we have got you sorted.
Travel plans shift, and that's grand. HelloRoam refunds unactivated, unscanned eSIMs in full for up to 180 days after purchase, no drama.
Learn more about our refund policyHelloRoam USA eSIM vs Three Ireland, Vodafone IE and Eir roaming
Comparing eSIM vs a travel SIM card for USA? Eir charges up to €5.99/day for Worldwide Roaming, Vodafone IE up to €6.99/day for Global Roaming, and Three Ireland applies daily charges outside its Go Roam zone. Skip the airport SIM counter at Dublin Terminal 1 and get a prepaid eSIM from €2.48 with instant QR activation and a 180-day refund on unactivated eSIMs.
| Feature |  | Irish carrier roaming add-on | Limited data eSIM |
|---|---|---|---|
| 180-day refund policy |  |  | |
| 24/7 live chat support | |  | |
| €0 activation fees | | | |
| Free hotspot and data sharing | | | |
| No data overage charges | | | |
| Instant QR code delivery | | | |
| Premium USA carrier networks | | | |
SIM card USA vs HelloRoam eSIM: which is best for Irish visitors?
A US SIM card from a kiosk at JFK or O'Hare adds cost and a stop after a transatlantic flight from Dublin. HelloRoam gives you activated eSIM data from €2.48 on AT&T and Verizon 5G covering all 50 states. Scan QR at home before your flight. No contract, no queue.
A tourist sim card USA from a vending machine at LAX or Miami International charges above-market rates. HelloRoam gives Irish visitors an activated eSIM from €2.48 on AT&T and Verizon 5G covering the full US. Activate by QR at home. No contract.
For Irish visitors comparing cost, a USA sim from HelloRoam is priced in euros at checkout with no hidden airport surcharge. Plans run on AT&T and Verizon 5G from €2.48 covering New York, Los Angeles, Florida, and beyond. No contract, 180-day refund guarantee on unactivated eSIMs.
The cheapest eSIM for USA from HelloRoam gives Irish visitors the best value for a two-week American holiday. Plans cover all 50 states on AT&T and Verizon 5G from €2.48, activated by QR before your Dublin flight. No contract, no airport queues, 180-day refund guarantee on unactivated eSIMs.
Why Travellers from Ireland Use HelloRoam e-sim for USA
HelloRoam vs Other eSIM Providers for USA
eSIM provider reviews from Irish travellers consistently highlight the 180-day refund policy, zero activation fees, and 24/7 live support. See how HelloRoam compares to Airalo, Holafly, Saily, and other eSIM providers on the things that matter most for your USA holiday.
| Feature comparison | | Airalo | Holafly | Nomad | Saily | Ubigi |
|---|---|---|---|---|---|---|
| 180-day refund policy | | | | | | |
| 24/7 live chat support | | | | | | |
| €0 activation fees | | | | | | |
| Free hotspot and data sharing | | | | | | |
| No data overage charges | | | | | | |
| Instant QR code delivery | | | | | | |
| Premium USA carrier networks | | | | | | |
| Own branded carrier identity (SPN) | | | | | | |
What Is an e SIM? How eSIM Works in USA
An eSIM is a digital SIM built directly into your phone: no plastic chip, no SIM tray. Scan a QR code to activate in under 2 minutes on any eSIM compatible iPhone or Android. It works as a prepaid data plan for USA travel with no airport SIM counter, no physical SIM card, and no carrier contract. Sort everything at home before you head to Dublin Airport, Shannon, Cork, or Knock and you are ready to go the moment you land. guide
Mobile connectivity guide for the United States
The US has brilliant 5G and 4G coverage across its major cities and interstate corridors. T-Mobile and Verizon cover New York, Boston, Chicago, Los Angeles, San Francisco, and the Wild Atlantic Way equivalents on the US coasts.
Rural stretches of the Midwest and mountain states can be patchier, but the tourist trails are well served. A HelloRoam eSIM connects you automatically when you step off the plane at JFK, ORD, or LAX. No SIM hunting needed after a seven-hour flight.
- HelloRoam connects to AT&T 5G, Verizon 5G in USA
- 5G on T-Mobile and Verizon across all major US cities
- Connect the moment you land at JFK, LAX, or Chicago O'Hare
- Covers New York, Boston, Chicago, Los Angeles, San Francisco, and more
eSIM Travel Tips for USA
Activate your eSIM before you board at Dublin
Install your HelloRoam eSIM on your phone at home the evening before you fly. Once you land in the US, switch on mobile data and you are connected immediately. No need to queue at a T-Mobile store or look for an airport SIM kiosk after a long transatlantic flight.
Download offline maps for road trips
US road trips are a rite of passage for Irish travellers. Stretches of Route 66, the Pacific Coast Highway, or the Rockies can have limited signal. Download offline Google Maps or Maps.me tiles for your planned route before leaving your hotel or Airbnb.
Monitor your data on city breaks
New York and Los Angeles generate serious data usage between maps, Instagram, and video calls home. The HelloRoam app shows your real-time balance with alerts at 80% and 95% usage. Top up inside the app if you run low during a longer stay.
Keep your Irish number reachable
On a dual SIM phone, leave your Irish SIM running for calls and texts. Set HelloRoam as your US data line. Friends and family can still ring your usual Irish number while you are exploring Manhattan or Yosemite.
Use your eSIM across multiple US cities
Your HelloRoam eSIM works across the entire United States on the same plan. Fly into New York, take the Amtrak to Washington DC, then catch a flight to New Orleans or Las Vegas without buying a new plan at each stop.
Mobile networks in the USA: what Irish visitors need to know
HelloRoam connects on T-Mobile, Verizon, and AT&T in the US. All three operators offer 5G coverage in major cities with strong 4G filling suburban and rural areas. Your eSIM picks the strongest available signal automatically as you move between cities and states.
- AT&T
- 5G
- Verizon
- 5G
HelloRoam eSIM vs your Irish carrier in the USA
Here is what your connectivity options actually look like for a US trip from Ireland.
RecommendedFrom €2.59 total
Plans from €2.48. Buy before you fly, scan the QR code at home, and land in America already connected. No contracts, no carrier shops, no bother.
€12.96–€51.86 total
Available at Walmart or T-Mobile stores but requires setup time and you need to be in-country first. Not helpful when you want data from the moment you clear customs.
€8.64–€17.29/day
International roaming in the US can be expensive with many Irish plans. Daily or weekly add-on costs can add up quickly over a two or three-week American holiday.
| Category | Recommended | US prepaid SIM | Eir, Three IE, or Vodafone IE US roaming |
|---|---|---|---|
| Typical cost | From €2.59 total | €12.96–€51.86 total | €8.64–€17.29/day |
| Details | Plans from €2.48. Buy before you fly, scan the QR code at home, and land in America already connected. No contracts, no carrier shops, no bother. | Available at Walmart or T-Mobile stores but requires setup time and you need to be in-country first. Not helpful when you want data from the moment you clear customs. | International roaming in the US can be expensive with many Irish plans. Daily or weekly add-on costs can add up quickly over a two or three-week American holiday. |
Best time to visit the US from Ireland
The US is a year-round destination depending on where you go. New York in autumn has stunning fall colours. Florida is ideal from October to April. The Pacific Coast is gorgeous in summer. Irish travellers often combine cities with national parks, road trips, or family visits. Direct flights from Dublin and Shannon to Boston, New York, Chicago, and Los Angeles make planning easy.
Reviewed by HelloRoam Editorial Team
Prices verified:
Your USA eSIM Questions Answered
A USA travel sim plan from HelloRoam starts from €2.48 on local networks. HelloRoam delivers a QR code to your email so you activate at home before flying from Dublin. No roaming charges from Eir or Vodafone IE, no physical SIM card, and no contract required.
An eSIM card USA plan from HelloRoam covers all 50 states on local networks from €2.48, from New York City to the California coast and Florida Keys. Activate the QR code at home before your Dublin flight so data is live at JFK or LAX on arrival. No physical SIM, no roaming fees, and a 180-day refund guarantee on unactivated eSIMs on every order.
HelloRoam is a top-rated eSIM for travellers from Ireland visiting USA. Plans start from €2.48 and connect through our worldwide network of 199+ carriers, giving you local 4G/5G speeds in United States. Activate via QR code in under two minutes, keep your Three Ireland, Vodafone IE, or Eir number on dual SIM, and enjoy a 180-day refund window on unactivated eSIMs. No daily roaming charge and no carrier contract.
A USA eSIM starts from €2.48. Fixed data plans run from 1GB to 20GB. Unlimited daily plans suit longer trips. All plans include local 4G/5G access with no overage charges and no carrier contract. That is far less than what Eir charges for non-EU Worldwide Roaming or Vodafone IE for Global Roaming.
eSIM in USA connects to local 4G/5G networks. Your phone picks the strongest available signal automatically on arrival, no manual carrier selection needed. Coverage spans major cities, airports, main roads, and most rural areas. You get the same local network speeds as residents of United States, not the premium daily rates Eir or Vodafone IE charge for international roaming.
Getting your eSIM for USA takes three steps. First, choose your plan at helloroam.com and pay in EUR. Second, scan the QR code from your confirmation email in Settings under Mobile Data, then Add eSIM. Third, your e-sim installs in under two minutes and activates when you land. Do everything at home before you head to Dublin Airport, Shannon, Cork, or Knock. No shop visit, no physical SIM swap, no queue.
Yes. iPhone XS and all newer models support your eSIM for USA. Go to Settings, tap Mobile Data, then Add eSIM, and scan the QR code from your HelloRoam email. Your Irish number stays active on your main SIM through dual SIM while HelloRoam handles all travel data on the eSIM line. iPhone 14 and later are eSIM-only with no SIM tray needed.
HelloRoam is a top eSIM option for the US for Irish travellers. Plans start at €2.48 with 5G and 4G data on T-Mobile and Verizon. Buy before you fly from Dublin or Shannon, scan a QR code at home, and arrive in New York or Los Angeles already connected.
Yes, HelloRoam eSIM plans work across the United States on T-Mobile and Verizon. Activate at home before your flight and you are on US data the moment you land.
HelloRoam eSIM for the US connects on T-Mobile and Verizon. Your phone selects the strongest available signal automatically as you travel between New York, Chicago, Los Angeles, and other destinations.
Buy on helloroam.com, scan the QR code in your phone settings, and enable mobile data when you land in the US. Takes about five minutes and works best done at home the night before your Aer Lingus or Delta flight.
HelloRoam eSIM plans for the United States start at €2.48. Larger data plans are available for longer trips, road trips across multiple states, or travellers who need data for navigation, streaming, and regular video calls home to Ireland.
HelloRoam plans are data-only. Use WhatsApp, FaceTime, or Messenger for calls and messages over data. Emergency calls to 911 work on any network in the US without a plan.
Two weeks travelling the US with maps, messaging, social media, and video calls home typically uses 6 to 12 GB. Road trips using navigation constantly, or streaming video in your hotel, can use more. A 10 GB or 20 GB plan suits most American holidays.
Yes, your HelloRoam eSIM works across all 50 US states including Hawaii and Alaska on T-Mobile and Verizon. Coverage is excellent in cities and along major highways. Very remote areas like deep backcountry national parks may have limited signal.
What to Know Before You Buy
eSIM requires an unlocked, eSIM-compatible device. Check your phone settings before you buy.
Most travel eSIM plans provide data only. Your existing phone number stays active for calls and texts on your primary SIM.
Coverage quality varies by location within USA. Urban areas typically have strong network coverage, while rural or remote areas may have limited connectivity.
Install your eSIM before departure. Activation requires an internet connection, which may not be available at your destination airport.
Transparency Notice
- Service Provider Name (SPN)
- HelloRoam appears as the carrier name on your phone's status bar through the SPN, a standardized field in the eSIM profile. Unlike most travel eSIM resellers, HelloRoam provisions its own Service Provider Name.
- Public Network Name (PNN)
- HelloRoam holds a registered Public Network Name, the official carrier identity filed with telecommunications authorities. HelloRoam is recognized as a licensed service provider, not a white-label reseller.
- Access Point Name (APN)
- HelloRoam eSIMs auto-configure their Access Point Name during installation. Your device connects to the strongest local network infrastructure without manual settings.
Prices are our retail rates across 185+ countries. Plan recommendations use real traveller feedback and network performance data. Unactivated eSIMs qualify for a 180-day refund.
