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An eSIM for USA from HelloRoam starts at £2.14 across 199+ carrier networks in 185+ countries. Activate via QR code in under two minutes on any eSIM compatible phone. Keep your EE, Vodafone, or Three number active through dual SIM.
210+
Mobile networks
5G
5G support
under two minutes
Setup
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Your USA eSIM with local network coverage
Cheap eSIM for United States, starting from £2.14. Local 4G/5G data on top carrier networks in United States. Works on all eSIM compatible phones. Times Square, the Florida theme parks, Route 66, and the Las Vegas Strip are all improved with data sorted before you board at Heathrow. HelloRoam eSIM USA plans start at £2.14 on AT&T and Verizon networks covering all 50 states from coast to coast. Activate by QR before JFK, LAX, or any US gateway and land already connected. A 180-day money-back guarantee on unactivated eSIMs applies to every plan.
USA eSIM with fast 5G coverage
HelloRoam provides eSIM plans for the United States starting from £2.14. Connect on 5G and 4G networks via T-Mobile and Verizon across New York, Los Angeles, Miami, and beyond. Activate via QR code before your transatlantic flight.
- Plans start at £2.14 with 5G speeds
- Coverage from T-Mobile and 2+ other operators
- Instant activation in under 2 minutes
- 180-day money-back guarantee
- USA coverage across major cities
- Network
- 5G
- Plans From
- £2.14
- Activation
- Under 2 min
- Guarantee
- 180 days
How to Set Up an eSIM in USA
Choose a data plan for your destination and complete your purchase in GBP.
Scan the QR code to install your eSIM straight away.
Your eSIM installs instantly and activates when you land.
Track usage, top up data, and manage all your eSIMs in one place.
Choose a data plan for your destination and complete your purchase in GBP.
Scan the QR code to install your eSIM straight away.
Your eSIM installs instantly and activates when you land.
Track usage, top up data, and manage all your eSIMs in one place.
Holiday changed? Not to worry, your money is safe.
Plans change. With HelloRoam, you can request a full refund on any unused eSIM plan within 180 days of purchase. No questions asked if the eSIM has not been activated.
Learn more about our refund policyHelloRoam USA eSIM vs EE, Vodafone and Three roaming
When comparing eSIM vs a travel SIM card for USA, HelloRoam wins on price. EE charges £6/day on their Roam Abroad Pass, Vodafone charges £6.85/day on Xtra roaming, and Three Go Roam applies fair-use data caps. Skip the airport SIM kiosk and get the cheapest eSIM deal from £2.14 with instant QR activation.
| Feature |  | UK carrier roaming add-on | Budget eSIM |
|---|---|---|---|
| 180-day refund policy |  |  | |
| Round-the-clock live chat | |  | |
| £0 activation fees | | | |
| Automatic data-usage alerts | | | |
| No data overage charges | | | |
| Instant QR code delivery | | | |
| Premium USA carrier networks | | | |
Why UK Travellers Pick HelloRoam e-sim for USA
HelloRoam vs Other eSIM Providers for USA
HelloRoam eSIM reviews from UK travellers highlight the 180-day refund policy, no activation fees, and round-the-clock live support. See how HelloRoam compares to Airalo, Holafly, Saily, and other eSIM providers for your USA holiday.
| Feature comparison | | Airalo | Holafly | Nomad | Saily | Ubigi |
|---|---|---|---|---|---|---|
| 180-day refund policy | | | | | | |
| 24/7 live chat support | | | | | | |
| £0 activation fees | | | | | | |
| Automatic data-usage alerts | | | | | | |
| 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 card is a digital SIM built into your phone. There is no plastic chip and no SIM tray to open. Scan a QR code to activate your e SIM in under two minutes on any eSIM compatible iPhone or Android. It works as a prepaid international data plan for USA travel with no airport SIM shop queue, no replacement SIM card, and no carrier contract. Mobile data through an eSIM connects to local in-country networks, giving you the same wireless connectivity as a resident rather than a roaming tourist. Follow the step-by-step setup guide to get connected before your flight from Heathrow, Gatwick, or any UK airport. guide
Mobile connectivity guide for the United States
The United States has extensive 5G and 4G LTE coverage across its cities and major tourist regions. T-Mobile and Verizon cover New York, Los Angeles, Miami, Chicago, Las Vegas, San Francisco, and the principal national parks.
Rural areas in Nevada, Utah, and Montana can have limited signal between towns. A HelloRoam eSIM means you step off your Heathrow to JFK or Gatwick to LAX flight already connected to a US network.
- HelloRoam connects to T-Mobile 5G, Verizon 5G, AT&T 5G in USA
- 5G and 4G LTE in New York, LA, Miami, Chicago, Las Vegas, and San Francisco
- Connect on T-Mobile and Verizon networks
- Activate via QR code before your transatlantic flight departs
eSIM Travel Tips for USA
Set up your eSIM before you fly across the Atlantic
Install your HelloRoam eSIM at home before your long-haul flight to the States. Switch on your US data line as you land and you will have connectivity in the arrivals hall. No need to search for an AT&T or T-Mobile store or join the queue at airport kiosks.
US vocabulary for British travellers
Americans use different terms you will need for maps and directions. A pavement is a sidewalk, a boot is a trunk, a queue is a line, and a mobile is a cell phone. US place names and directions in Google Maps use these American terms, so expect 'sidewalk' rather than 'pavement' when following walking routes.
National parks and remote driving routes
America's famous road trips, Route 66, the Pacific Coast Highway, or drives through Utah's Mighty Five, pass through areas with very limited signal. Download offline maps of your route and national park trail maps before leaving your city hotel. The Grand Canyon South Rim has reasonable coverage but the canyon floor and North Rim are largely off-grid.
Temperature in Fahrenheit across the US
The US uses Fahrenheit rather than Celsius. A rough conversion: 32°F is freezing (0°C), 68°F is comfortable (20°C), 86°F is hot (30°C), 104°F is very hot (40°C). Summer in Phoenix, Las Vegas, and Miami can exceed 100°F (38°C). Keep your HelloRoam data active so you can check weather apps and local alerts.
Keep your UK number active for bank security
Many British banks send SMS two-factor authentication codes to your UK number. Keep your UK SIM active in your dual SIM phone whilst using HelloRoam for US data. This ensures you can access online banking without issues throughout your American holiday.
Mobile networks in the United States: what British travellers need to know
The US has three main mobile operators: T-Mobile, Verizon, and AT&T, all running nationwide 5G. HelloRoam connects on T-Mobile and Verizon. Both networks are strong in cities, on interstate corridors, and across major tourist areas, with 4G LTE filling in smaller towns. Your eSIM picks whichever of the two has the better signal where you are standing.
- T-Mobile
- 5G
- Verizon
- 5G
- AT&T
- 5G
HelloRoam eSIM vs UK carrier roaming charges in the USA
A realistic comparison of your mobile data options for an American holiday or business trip.
RecommendedFrom £2.24 total
Plans start at £2.14. Buy before your flight, install the QR code at home, and land at JFK or LAX already connected on T-Mobile or Verizon. No daily roaming fees, no phone shop visits, no airport SIM kiosk queues.
£11.19–£44.74 total
US SIM cards are available at airports and mobile stores but require time to purchase and set up. AT&T and T-Mobile tourist plans need activation with a US address or email. Unused data and credit are forfeited at the end of the plan period.
£7.46–£14.91/day
UK networks treat the USA as a rest-of-world zone. Daily roaming passes typically cost £5 to £7, and EE's monthly Roam Abroad Pass is £25. A three-week American road trip on daily charges could add well over £100 to your phone bill.
| Category | Recommended | US SIM card | UK carrier roaming (EE, Three, Vodafone UK, O2) |
|---|---|---|---|
| Typical cost | From £2.24 total | £11.19–£44.74 total | £7.46–£14.91/day |
| Details | Plans start at £2.14. Buy before your flight, install the QR code at home, and land at JFK or LAX already connected on T-Mobile or Verizon. No daily roaming fees, no phone shop visits, no airport SIM kiosk queues. | US SIM cards are available at airports and mobile stores but require time to purchase and set up. AT&T and T-Mobile tourist plans need activation with a US address or email. Unused data and credit are forfeited at the end of the plan period. | UK networks treat the USA as a rest-of-world zone. Daily roaming passes typically cost £5 to £7, and EE's monthly Roam Abroad Pass is £25. A three-week American road trip on daily charges could add well over £100 to your phone bill. |
Best time to visit the United States from the UK
The USA is a vast country and timing depends on which region you are visiting. New York is delightful in spring (April to June) and autumn (September to November) with temperatures between 15°C and 25°C. Florida is best from November to April to avoid hurricane season and summer humidity. California is pleasant year-round with Los Angeles around 20°C to 28°C throughout. Las Vegas and the Southwest are best in spring and autumn. The summer school holidays (July and August) see peak prices for flights and hotels across the country.
Reviewed by HelloRoam Editorial Team
Prices verified:
Common Questions About USA eSIM
An e SIM USA plan from HelloRoam costs from £2.14 on AT&T and Verizon 5G networks covering all 50 states including New York, Florida, California, and Hawaii. Activate by QR code before your Heathrow departure and land at JFK, LAX, or SFO already online. Every plan includes a 180-day money-back guarantee on unactivated eSIMs and instant QR delivery with no contract.
The best eSIM for USA road trips from HelloRoam covers all 50 states on AT&T and Verizon 5G networks from £2.14. No contract, no physical SIM card swap needed, and instant QR activation before your Heathrow or Gatwick departure. A 180-day refund guarantee on unactivated eSIMs applies to every plan.
A HelloRoam eSIM for the USA connects to AT&T and Verizon 5G networks across the contiguous 48 states from £2.14. Hawaii and Alaska use partner networks and coverage is strong in main urban and highway corridors. Remote national park backcountry areas and the Alaskan interior have limited cellular signal.
AT&T and T-Mobile airport counters sell tourist SIM cards for the USA with in-store registration required after a transatlantic flight. A HelloRoam eSIM USA plan activates by QR at home for £2.14 on AT&T and Verizon 5G networks. Land at JFK, LAX, or O'Hare already sorted and head straight to immigration without any terminal queue.
HelloRoam is one of the best eSIM options for British travellers visiting the USA, connecting on T-Mobile and Verizon with 5G and 4G LTE coverage coast to coast. Plans start from £2.14. Install via QR code before your transatlantic flight and arrive already connected.
Yes, HelloRoam eSIM plans work throughout the United States on T-Mobile and Verizon networks. Coverage is strong in all major cities and tourist areas. Rural and remote areas between towns may have reduced signal.
HelloRoam uses T-Mobile and Verizon in the United States. Both offer 5G in major cities and 4G LTE across most of the country, covering tourist attractions, airports, and city centres. Your phone selects the strongest available signal automatically, so you stay connected without manual network switching.
Purchase your plan on helloroam.com, scan the QR code under Settings, then Mobile Data, then Add eSIM. Do this at home on Wi-Fi before you travel; it takes about five minutes. When you land in the United States, enable mobile data and the plan activates immediately on T-Mobile or Verizon.
HelloRoam eSIM plans for the USA start at £2.14, with the price depending on data size and duration. Larger plans suit longer holidays, road trips, or business travel where maps, video calls, and streaming eat into your allowance. A HelloRoam plan costs far less than UK carrier roaming for a typical American trip, with no hidden fees or surprise charges on your home bill.
Yes, in most cases. The USA sits outside EE's standard European roaming, so you either pay £25 a month for the Roam Abroad Pass or steep pay-as-you-go rates. A HelloRoam eSIM from £2.14 gives you a fixed data cost for your whole trip rather than a mounting daily charge.
HelloRoam eSIM works in the US on T-Mobile and Verizon. Coverage in national parks varies. Yellowstone, Grand Canyon South Rim, and Yosemite Valley have reasonable signal. Remote canyon floors, backcountry trails, and areas far from roads may have little or no signal.
HelloRoam plans are data-only. Use WhatsApp, iMessage over data, or FaceTime Audio for calls and messages. Keep your UK SIM active in your dual SIM phone to receive bank texts and calls on your regular British number. Emergency calls work on any available network even without an active data plan.
Three weeks in the USA covering multiple cities and a road trip, using maps, WhatsApp, Instagram, and occasional streaming, typically uses 8 to 15 GB. If you work remotely or stream video regularly, choose a 15 GB or larger plan.
Yes. HelloRoam eSIM plans for the USA include Hawaii on T-Mobile and Verizon networks. Alaska is covered too: population centres such as Anchorage, Fairbanks, and Juneau have reliable signal, and the regional carrier GCI reaches most Alaskans. Remote wilderness, including the interior and the Arctic coast, is satellite-only territory.
Yes, 5G is available in major US cities including New York, Los Angeles, Chicago, Miami, Las Vegas, and many others via T-Mobile and Verizon. T-Mobile's nationwide 5G network also covers many smaller cities and suburbs outside the major metropolitan areas.
What to Know Before You Buy
eSIM requires an unlocked, eSIM-compatible device. Check your phone settings before purchasing.
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 4G/5G 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. Every purchase includes a 180-day refund window if the eSIM has not been activated, with unused data refunded on activated plans.
