eSIM for Guernsey from $5.04

HelloRoam is a global eSIM provider offering instant mobile data in 185+ countries. Buy prepaid travel eSIM plans with no extra fees, no contracts, and instant activation on any eSIM-compatible device.

An eSIM for Guernsey from HelloRoam starts at $5.04 per day. It connects to 204+ carrier networks across 185+ countries. Activate via QR code in under two minutes on any eSIM compatible phone. Keep your AT&T, T-Mobile, or Verizon number active on dual SIM.

194+
networks
4G
5G support
under 2 minutes
activation

UpdatedJune 2026

Your eSIM Guernsey with Herm and Sark Coverage

The cheapest eSIM for Guernsey starts from $5.04. Local 4G LTE and 5G data on top carrier networks in Guernsey. Works on all eSIM compatible phones. Ferry passengers often arrive without mobile data because terminals and the small airport at GCI lack reliable SIM vendors. HelloRoam offers an eSIM in Guernsey plan from $5.04 on Sure, JT, and Airtel-Vodafone 4G towers across St Peter Port and Herm. Scan your QR at home and get connected in minutes. Your data starts working the moment you scan.

Guernsey eSIM with fast 4G coverage

HelloRoam offers eSIM plans for Guernsey starting at $5.60. Get 4G coverage through Sure. Scan a QR code before your flight and arrive already connected.

Plans start at $5.04 with 4G speeds
Coverage from Sure
Instant activation in under 2 minutes
180-day money-back guarantee
Guernsey coverage across major cities

Network: 4G
Plans From: $5.04
Activation: Under 2 min
Guarantee: 180 days

Trip changed? Don't worry, we've got you!

Plans can change anytime, and that's okay. With HelloRoam, you can easily request a refund for your eSIM within 180 days of purchase.

Learn more about our refund policy

HelloRoam Guernsey eSIM vs AT&T, T-Mobile and Verizon roaming

When comparing an eSIM vs a travel SIM card for Guernsey, HelloRoam wins on price. It costs less than Verizon TravelPass ($10/day), T-Mobile international add-ons, and AT&T International Day Pass ($12/day). Skip the airport SIM shop and get a prepaid eSIM for Guernsey from $5.04 with a 180-day refund guarantee.

HelloRoam Guernsey eSIM vs AT&T, T-Mobile and Verizon roaming
Feature		Local provider	Limited data eSIM
180-day refund policy
24/7 live chat support
$0 activation fees
99.8% uptime guarantee
No data overage charges
Instant QR code delivery
Premium Guernsey carrier networks

Why Travelers Choose an e SIM for Guernsey

Compare eSIM Providers for Guernsey

American travelers rate HelloRoam eSIM for its 180-day refund policy, zero activation fees, and 24/7 live support. See how HelloRoam compares to Airalo, Holafly, Saily, and other eSIM providers for Guernsey on the things that matter most.

Feature comparison
Feature comparison		Airalo	Holafly	Nomad	Saily	Ubigi
180-day refund policy
24/7 live chat support
$0 activation fees
99.8% uptime guarantee
No data overage charges
Instant QR code delivery
Premium Guernsey carrier networks
Own branded carrier identity (SPN)

Mobile Connectivity Guide for Guernsey

Guernsey has solid 4G coverage across the island including St. Peter Port, Castel, and Vale parishes. Sure Guernsey and JT Guernsey both provide island-wide coverage. With a HelloRoam eSIM, you connect the moment you land at Guernsey Airport or step off the ferry from St Malo or Poole.

HelloRoam connects to Sure 4G in Guernsey
4G coverage across all of Guernsey including St. Peter Port
Connect on Sure Guernsey and JT Guernsey
Activate with a QR code before your ferry or flight

eSIM Travel Tips for Guernsey

Install your eSIM before you leave home
Set up your HelloRoam eSIM at home before flying to Guernsey. Enable mobile data at the airport and you are connected immediately. No carrier shop visit needed on this small island.
Note: Guernsey is not in the UK roaming zone
Guernsey is a Crown dependency, not part of the UK for mobile network purposes. Standard UK roaming may not apply and carriers often charge extra for Channel Islands coverage. A dedicated Guernsey eSIM avoids surprise charges.
Download offline maps for coastal trails
Guernsey's cliff paths and coastal walking routes are a highlight. Download offline maps before exploring the coastline. Signal is generally good on the island but offline maps are useful for trail details.
Monitor your data balance
The HelloRoam app tracks your data in real time with alerts at 80% and 95%. Top up from the app if needed without reinstalling your eSIM profile.
Save Guernsey's emergency number
Guernsey uses 999 and 112 for emergency services. Save either number before traveling. Emergency calls work on any available network without a data balance.

Mobile Networks in Guernsey: What You Need to Know

Guernsey is served by Sure Guernsey and JT Guernsey. Both networks provide 4G LTE coverage across St. Peter Port, Castel, Vale, and the island's main parishes. Guernsey's small size means coverage is reliable almost everywhere. Your HelloRoam eSIM connects through Sure and JT for instant data on arrival.

Sure: 4G

Best Time to Visit Guernsey

Guernsey's best weather runs from May to September with warm temperatures and long summer days. The island's mild Channel Island climate makes it pleasant year-round. Flowers and gardens are at their best in spring. Coastal walking and beaches are most enjoyable in summer. Network coverage on the island is consistent throughout the year.

Sean Mitchell

Check Device Compatibility Data Usage Calculator

Prices verified: June 5, 2026

HelloRoam Guernsey eSIM Questions Answered

Channel Islands visitors get eSIM Guernsey data on the Sure 4G network covering St Peter Port, Herm, and Castle Cornet from $5.04. HelloRoam emails your code so you get data live in minutes at GCI airport or the harbor. No card swap, no contract, and no store visit needed.

An e SIM Guernsey plan from $5.04 activates in under two minutes by scanning one QR code on your phone. HelloRoam sends the code by email, and data turns on when you reach Sure or JT towers on the island. No physical card, no passport copy, and no roaming fees for visitors.

Coverage spans St Peter Port, Castle Cornet, Herm, and coastal routes on Sure 4G networks from $5.04 with one plan. HelloRoam activates by QR in two minutes at home before your ferry or flight. No contract and a 180-day refund guarantee on every order.

Plans from 3 to 14 days from HelloRoam cover Guernsey on Sure 4G networks from $5.04 for Regatta sailing visitors, heritage island walkers, and longer Channel Islands stays. Activate by QR at home with no contract and instant QR delivery to your email.

HelloRoam is a practical eSIM for Guernsey, offering 4G plans starting at $5.04 through Sure. Buy before your trip, scan the QR code, and arrive already connected.

Yes, HelloRoam eSIM plans work in Guernsey on the Sure network. Coverage is available across most of the island including St. Peter Port. Activate before your flight for instant data.

HelloRoam connects to Sure in Guernsey. Sure is the primary mobile operator on the island and provides 4G LTE coverage across populated areas.

Buy your plan at helloroam.com, scan the QR code in your phone settings, and enable mobile data when you arrive in Guernsey. Setup takes about five minutes.

HelloRoam eSIM plans for Guernsey start at $5.04. This reflects the separate Channel Islands mobile market with limited carrier options.

Guernsey is a Crown dependency separate from the UK for mobile network purposes. Standard UK SIM plans and roaming deals often do not cover Guernsey at the same rates. Always check your plan or use a dedicated HelloRoam Guernsey eSIM.

Guernsey currently operates on 4G as the primary mobile network. Sure provides 4G LTE across the island. 5G infrastructure is not yet deployed in Guernsey.

HelloRoam plans are data-only for Guernsey. Use WhatsApp or FaceTime for calls and messages over your data connection. Emergency calls (999 or 112) work on any network.

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 Guernsey. 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. Telecom regulators recognize HelloRoam 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 money-back guarantee.

Future Syncs Limited124 City Road, London, EC1V 2NX, UK+44 203 916 6249help@helloroam.comReg. No. 15950168

Category	Recommended	Local SIM card	Carrier roaming
Typical cost	From $5.60 total	$10.00–$30.00 total	$10.00–$15.00/day
Details	Plans start at $5.60. Buy online, scan a QR code at home, and arrive in Guernsey already connected. No need to source a SIM on this small island.	Sure SIMs can be purchased in St. Peter Port, but options for short-stay tourists are limited. Registration requires ID. Unused credit is lost when you leave Guernsey.	Many UK and international carriers treat Guernsey as outside their standard roaming zones and charge daily fees. Even a short visit can result in unexpected charges of $10 to $20 per day.

Category	Recommended	Local SIM card	Carrier roaming
Typical cost	From $5.60 total	$10.00–$30.00 total	$10.00–$15.00/day
Details	Plans start at $5.60. Buy online, scan a QR code at home, and arrive in Guernsey already connected. No need to source a SIM on this small island.	Sure SIMs can be purchased in St. Peter Port, but options for short-stay tourists are limited. Registration requires ID. Unused credit is lost when you leave Guernsey.	Many UK and international carriers treat Guernsey as outside their standard roaming zones and charge daily fees. Even a short visit can result in unexpected charges of $10 to $20 per day.

eSIM for Guernsey

Your eSIM Guernsey with Herm and Sark Coverage

eSIM for Guernsey

Your eSIM Guernsey with Herm and Sark Coverage

Guernsey eSIM with fast 4G coverage

Trip changed? Don't worry, we've got you!

HelloRoam Guernsey eSIM vs AT&T, T-Mobile and Verizon roaming

Why Travelers Choose an e SIM for Guernsey