The best eSIM for USA in 2026.
Unlimited holiday data across all 50 states — from JFK arrivals hall to Route 66. Judged the way a traveller would: real per-day pricing, honest comparisons, and setup that takes two minutes at home.
Unlimited data · 30-day refund promise· updated July 2026
Our picks by trip type.
City break
5 days · 1gb
Long weekend or short hop — USA at the standard day rate.
£0.47/day · £2.35 total
Choose this planMost popular
The classic holiday
10 days · 5gb
The most popular pick for USA — 10 days with a discounted day rate.
£0.82/day · £8.21 total
Choose this planLong stay
30 days · 5gb
A month at the deepest discount — made for slow travel and remote work.
£0.27/day · £8.21 total
Choose this planEach pick shows the best-value plan covering that trip length, hotspot included. Unlimited-data plans are also available. Every option is on the USA page.
What makes an eSIM the best choice for USA?
Three things decide it: a price agreed before you fly, data that doesn't run out mid-trip, and a setup you can finish at home. A prepaid unlimited travel eSIM answers all three — from £2.35 per day in USA, with the QR code in your inbox seconds after ordering.
US carriers have retired most 3G — an eSIM on a modern 4G/5G network is the reliable option for visitors.
eSIM vs the old ways in USA
eSIM
ROAMING
AIRPORT SIM
Data allowance
Unlimited
Usually capped
Rarely unlimited
Price known upfront
Yes Prepaid
Billed after
Varies at the desk
Ready when you land
Yes Instantly
Yes
After the queue
Keep WhatsApp number
Yes
Yes
No SIM swapped
USA eSIM from £2.35/day — the whole bill, agreed before you fly.
30-day refund promiseUnused, uninstalled eSIM? Full refund, no questions.
The price is the billPrepaid and final — roaming charges can't happen.
Days start when you landInstall early with zero pressure; counting begins at first connection.
Humans, 24/7Real people answer, before, during and after the trip.
Quick answers.
Coverage follows our partner networks nationwide on 4G/5G, including Hawaii, with the usual carrier variations in remote areas.
Worth reading before you fly.
Nearby holidays.
USA eSIM from £2.35/dayUnlimited data · instant deliveryChoose days