🇬🇬 eSIM plans for Guernsey

Starting at $6.35/day*
  • No data caps
  • 7-days valid
  • Fast, reliable connection
  • Skip the roaming bill
  • QR code emailed instantly
Get your unlimited data
How many days
More days, lower daily rate
7
How many eSIMs
More eSIMs, bigger discount
1
Install it now or once you're away. Nothing starts counting until you reach your destination and switch the eSIM on.

* The "as low as" figure is the lowest per-day rate, taken from the longest unlimited data plan on sale here.

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Here's how Onetel stacks up against other options in Guernsey.

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Europe eSIM

Cover the Region with Europe eSIM

Cover Guernsey and every neighboring country on one regional eSIM — no SIM swaps, no extra fees. Starting at $0.61.

View Europe Plans
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eSIM costs for Guernsey

Prices shown in USD

7 days of unlimited data in Guernsey costs $44.98 — about $6.43 a day on Sure Guernsey, JT Guernsey or Airtel-Vodafone, with no roaming charge and no SIM to swap. In Guernsey, 5G is live.

Duration Price Daily cost
1 day $7.32 $7.32/day
3 days $19.88 $6.63/day
5 days $32.42 $6.48/day
7 days $44.98 $6.43/day
10 days $63.80 $6.38/day
15 days $95.20 $6.35/day
30 days $14.10 $0.47/day
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Which Guernsey eSIM plan fits your trip?

Choose your Guernsey eSIM by matching the allowance and validity period to your trip, then compare the selected product details with the local network, band and speed references already shown on this page.

Start with the length of your stay, then allow for navigation, messaging, streaming and work use. Each option below is a plan size that is currently available for this destination.

Short trip

1 GB / 7 days

Best for: A short visit with maps, messages and occasional browsing.

This option pairs the 1 GB allowance with a stated validity period of 7 days.

Usage tip: Save maps before longer journeys and use Wi-Fi for large downloads.

Two-week trip

3 GB / 15 days

Best for: A stay of around two weeks with regular navigation and messaging.

The 3 GB allowance remains available across a stated validity period of 15 days.

Usage tip: Keep automatic app updates and cloud backups on Wi-Fi.

Longer or higher use

10 GB or more / 30 days

Best for: A longer stay or more frequent streaming, video calls or work use.

The 10 GB or more / 30 days profile provides a larger data pool than the short-trip options on this page.

Usage tip: Compare the allowance with your normal phone usage and monitor it during the trip.

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Which networks you connect to in Guernsey

Your eSIM roams onto Guernsey's own operators. These are the networks and the frequencies they run — check your phone supports them before you travel.

Operator 4G / LTE bands 5G bands 5G
Sure Guernsey B1, B3, B8, B20 n78 Yes
JT Guernsey B1, B3, B8, B20 — No
Airtel-Vodafone B1, B3, B8, B20 n78 Yes

Coverage in Guernsey

No mobile network operator covers the entire island; indoor coverage gaps exist in rural parishes such as Torteval and Forest. 3G switch-off completed by all operators; no 2G-only fallback areas remain.

How to check mobile coverage in Guernsey

The Guernsey mobile network source is linked below as a public network reference. Check the places on your itinerary where the source offers local detail, then confirm the network information for the selected eSIM product. The operator table on this page provides the country-level reference, while the selected product details identify which network information applies to your plan.

Accommodation and daily stops

Check your accommodation and the places you expect to visit in Guernsey. Indoor reception can differ from an outdoor map, so keep the property Wi-Fi details available as well.

Journeys between stops

Review the full route rather than checking only the arrival city. Save tickets, addresses and maps offline before longer road or rail journeys.

Borders and onward travel

Check the selected product scope for every country on your itinerary. Your Guernsey plan and a regional plan may have different included destinations and validity periods.

Phone compatibility in Guernsey

Compare your phone with 4G bands B1, B3, B8, B20 and 5G bands n78 in the existing Guernsey network table. Support for more of the listed bands gives the phone more options when connecting, while the selected product, location and local network conditions determine the service available.

Set up the Guernsey eSIM for your trip

Keep the QR code and installation instructions available offline, and complete each step according to the selected product's instructions.

When validity starts: Validity-start rules can differ by product. Check the selected plan details before installation and travel.

  1. Confirm that your phone is unlocked and supports eSIM before purchase.
  2. Save the QR code or manual installation details somewhere you can reach without mobile data.
  3. Use reliable Wi-Fi to install the profile at the time recommended in the product instructions.
  4. When you are ready to use it, select the travel eSIM for cellular data and apply the stated roaming and APN settings.
  5. Keep roaming disabled on your home line if you want to avoid using its travel data.
Network and coverage sources, checked 2026-10-10
Guernsey travel guide

Enjoy Your Stay

Guernsey blends French and British influences into a relaxed island rhythm. For a comfortable base, book a self-catering cottage or a family-run guesthouse-these often provide more character and local advice than large hotels. St Peter Port, the capital, is walkable and has the most dining and transport options. Elsewhere, a car gives flexibility, but book rental well ahead in summer. Public buses serve main routes, but timetables thin on Sundays. If you prefer not to drive, the island’s small size makes cycling or taxis practical for short trips. Pack a reusable shopping bag; supermarkets charge for plastic ones. For connectivity, local carriers JT Guernsey and Airtel-Vodafone offer pay-as-you-go SIMs, but check your own provider’s roaming agreement before you travel. Do not rely on cash machines in rural areas-withdraw in St Peter Port. Most places accept cards, but small cafés and market stalls often prefer cash.

Discover Guernsey's Highlights

Guernsey’s attractions are compact and varied. Prioritise these:

  • Castle Cornet - A restored 13th-century castle guarding the harbour. Allow two hours to explore the five museums inside and watch the midday cannon firing. Open April to October; closed Mondays in low season.
  • Hauteville House - Victor Hugo’s former residence, preserved with his eclectic décor. Book timed tickets in advance as tours are limited. No photography inside.
  • The Little Chapel - A tiny, ornate chapel decorated with seashells and pebbles. Visit early morning to avoid crowds. Entry is free, but donations help maintenance.
  • Perelle Bay - A calm tidal beach ideal for walking and kayaking. Check tide times before venturing onto the causeway to Lihou Island.

For a broader view, the Bailiwick Museum in Candie Gardens covers island history from the Stone Age to the German Occupation. Most attractions close by 17:00, so plan your afternoons carefully.

Taste the Island

Guernsey’s food scene blends French technique with British comfort. Seek out these local specialties:

  • Guernsey Gâche - A buttery, fruit-studded bread. Best from traditional bakeries in St Peter Port. Try it toasted with salted butter.
  • Ormer - A protected shellfish, only harvested in winter. If you find it on a menu, it is likely poached or in a stew. Expect a chewy texture akin to abalone.
  • Guernsey Cream - Ultra-rich, yellow milk from the island’s famous cows. Look for it in local cheeses and ice cream. Avoid supermarket brands that are not island-produced.
  • Fish and Chips - Fresh bream and cod are common. Ask for a portion from a harbour-side chippy rather than a tourist pub. The quality varies widely.

For a proper meal, book at a French-influenced bistro in St Peter Port. Many close on Sunday and Monday. Restaurants often add a service charge for groups of six or more, so check your bill.

Best Time to Visit

Guernsey’s mild climate makes it a year-round destination, but timing affects your experience. For the best balance of weather and fewer crowds, aim for May or September. Summer months (June to August) bring warm temperatures, long daylight hours, and the highest visitor numbers. Book accommodation and ferry tickets months ahead. Spring (April to May) offers blooming wildflowers and quieter roads, but sea swims remain cold. Autumn (September to October) is often settled and pleasant, with lower prices and less wind. Winter (November to March) sees many attractions close or operate reduced hours. The island’s main festivals-the Guernsey Literary Festival in April and the Seafire Festival in September-draw extra visitors, so plan around them if you prefer calm. Whichever season you choose, pack for changeable weather: a sunny morning can turn to drizzle by noon. Avoid the last week of August if you dislike peak-season crowds and inflated prices.

Packing Essentials

Guernsey’s Atlantic climate requires versatile layers. These items are essential:

  • Waterproof Jacket - A breathable, windproof shell is non-negotiable even in summer. Lightweight packable options are best.
  • Layers - Fleece or merino mid-layers for cool evenings. A couple of long-sleeved shirts and a casual sweater will cover most situations.
  • Comfortable Walking Shoes - Waterproof trainers or low hiking boots for coastal paths and cobbled streets. Avoid new shoes.
  • Sun Protection - Sunscreen (SPF 30+), a hat, and sunglasses. The sun can be strong even on overcast days, especially near water.
  • Beach Towel and Swimwear - Many beaches are rocky; consider aqua shoes for comfort.

For connectivity, your uPhone eSIM works without extra steps with local carriers JT Guernsey and Airtel-Vodafone. Download maps and offline guides before you arrive, as mobile signal can be patchy in rural valleys. Pack a small first-aid kit with blister plasters and antihistamines-pharmacies may close early.

Common Questions

The details worth knowing about your Guernsey eSIM

No. This eSIM is for Guernsey only. It does not include Jersey or any other Channel Island. If you cross to Jersey, you will need a separate eSIM for that territory.

Your eSIM will connect to one of the three local operators: Sure Guernsey, JT Guernsey, or Airtel-Vodafone. The assignment depends on signal strength and network availability at your location.

Yes. While Sure and Airtel-Vodafone use 5G band n78, all operators also provide 4G on bands B1, B3, B8, and B20. A phone missing n78 will simply fall back to 4G, which is widely available across the island.

Coverage in Torteval, a rural parish, has known indoor gaps. No operator covers the entire island, and indoor reception can be weak in this area. You may need to move near a window or go outside for a stable connection.

No. All operators have completed the 3G switch-off, and there are no 2G-only fallback areas left. If you lose 4G or 5G signal, your eSIM will not automatically switch to an older network.

Compare 1 GB / 7 days, 3 GB / 15 days and 10 GB or more / 30 days. Use the shorter profiles for lighter maps and messaging use, then compare the larger allowance for streaming, video calls or work apps.

The start rule is product-specific. Review the selected plan details before installing it so you know whether any action is required before arrival.

Save the QR code, manual installation details, APN guidance and the support instructions supplied with the selected plan.
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