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Buy an eSIM for Guernsey

Stay connected on your travels using our voice, data and SMS eSIM plans

Shop Guernsey eSIM Plans

EE Europe Travel

  • 30GB data across Europe
  • 30 days from first use
  • 50 mins + 100 texts
  • Calls back to China
  • 5G Hotspot included
  • UK +44 EE number
  • No KYC checks

NOW
£ 16.00
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EE Europe Travel Plus

  • 60GB across Europe
  • 30 days from first use
  • 50 mins + 100 texts
  • Calls back to China
  • 5G Hotspot included
  • UK +44 EE number
  • No KYC checks

NOW
£ 19.99
View/Buy

Europe 120GB Bouygues

  • 120GB Europe + UK
  • 30 days from first use
  • EU calls and texts
  • Hotspot included
  • 5G where available
  • French +33 number
  • Bouygues network

NOW
£ 32.50
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Europe 20GB Bouygues

  • 20GB EU + UK
  • EU calls and texts
  • Hotspot included
  • French +33 number
  • 15 days from first use
  • Starts on first use
  • Bouygues network

NOW
£ 19.50
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Europe 60GB Bouygues

  • 60GB Europe + UK
  • 30 days from first use
  • EU calls and texts
  • Hotspot included
  • 5G where available
  • French +33 number
  • Bouygues network

NOW
£ 28.50
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O2 Europe Travel Plus

  • 35GB Europe 48 countries
  • 30 days from purchase
  • Unlimited local calls
  • Hotspot included
  • 5G where available
  • UK +44 O2 number
  • No KYC checks

NOW
£ 18.00
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Orange World

  • 20GB in 90+ countries
  • 30 days from first use
  • 15 mins + 50 texts
  • Hotspot included
  • 4G/LTE available
  • French +33 number
  • No KYC checks

NOW
£ 21.00
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Three Travel 6GB

  • 6GB in 71 countries
  • 30 days from first use
  • Unlimited calls to UK numbers
  • Hotspot included
  • 5G where available
  • UK +44 Three number
  • No KYC checks

NOW
£ 14.45
View/Buy

Three Travel 12GB

  • 12GB in 71 countries
  • 30 days from first use
  • Unlimited calls to UK numbers
  • Hotspot included
  • 5G where available
  • UK +44 Three number
  • No KYC checks

NOW
£ 21.45
View/Buy

Three Travel 18GB

  • 18GB in 71 countries
  • 30 days from first use
  • Unlimited calls to UK numbers
  • Hotspot included
  • 5G where available
  • UK +44 Three number
  • No KYC checks

NOW
£ 26.25
View/Buy

Vodafone Travel

  • 25GB in 76 countries
  • 30 days from purchase
  • Unlimited local calls
  • Hotspot included
  • 5G where available
  • UK +44 Vodafone number
  • No KYC checks

NOW
£ 24.00
View/Buy
Sorry, currently we don't have any Data Only Bundles for Guernsey but please check back soon
Sorry, currently we don't have any Local plans for Guernsey but please check back soon
vodafone travel
Flag of Guernsey

O2 SMS Only GLOBAL

  • Unlimited inbound SMS worldwide
  • 30-day rolling plan
  • Secure 2FA (eSIM Passkey)
  • Private UK +44 number
  • Reliable O2 SMS
  • Not blocked by banks etc
  • Instant activation

NOW
£ 6.00
View/Buy

FAQs

Frequently Asked Questions

Yes, you can use an eSIM in Guernsey if your phone supports eSIM and is unlocked for use with other networks. A Guernsey eSIM is a convenient way to get mobile data for maps, messaging, email and travel apps without needing to find a local SIM card after you arrive.

Your Guernsey eSIM connects through available local partner networks in Guernsey. Coverage can vary between cities, airports, main roads and more remote areas, so it is best to check the product details before you buy and allow for weaker signal in rural or hard-to-reach locations.

The best Guernsey eSIM plan depends on what you need most while travelling. If you want calls as well as data, the best choice is Three Travel 18GB. If you only need to receive SMS or two-factor authentication messages, choose O2 SMS Only GLOBAL. In short, choose the voice and data plan for travel connectivity, or the SMS-only plan if receiving messages is all you need.

We recommend installing your Guernsey eSIM before you travel, while you have a reliable WiFi connection. You can then switch it on when you arrive in Guernsey. This helps you avoid airport queues, language barriers and unexpected roaming charges from your home network.

A Guernsey eSIM can often be a better-value option than standard international roaming, especially if your home network charges high daily roaming fees or expensive out-of-bundle data rates. You buy a clear data allowance in advance, making it easier to control travel costs.

You can use your Guernsey eSIM for practical travel needs such as booking transport, checking hotel details, using maps, messaging family, accessing email, translating phrases and keeping travel documents available online. It is especially useful when moving between airports, hotels, meetings and sightseeing locations.

O2 SMS Only eSIM

Two Factor Authentication by SMS is now the industry-standard method of providing secure login for many services.

Have you ever been unable to access your bank account while travelling? Our SMS-only product provides you with a private and secure UK telephone number as a handy eSIM service that you can load into your phone as a second line and still receive the codes at home, and indeed anywhere in the world. Reliability is key for SMS Two Factor Authentication and being an O2 service, the delivery is pretty much guaranteed.

The number and service can be yours for life for just US$ 6.00 per month with no additional charges whatsoever. You can even port your existing UK number in with a PAC code.

You can receive and install this unique eSIM service within 5 minutes and it will be fully activated on receipt. Note that this is inbound SMS only with no calls or data supported.

Guernsey eSIM plans for visitors

Updated: June 2026

If you're comparing esim Guernsey and Guernsey esim options, the best choice depends on how much data you need and whether you want voice and SMS as well. Guernsey is small, but mobile coverage can still vary between St Peter Port, the airport, the harbour, the west coast and quieter inland roads. That makes it worth sorting your plan before you fly or sail in, especially if you want maps, ferry updates, taxi bookings and check-in details ready from the moment you arrive.

Not every Europe bundle includes Guernsey, so check the country list before buying. The plans below do include Guernsey and are the ones we recommend for most visitors.

Best Guernsey eSIM options

Plan Best for Coverage feel in Guernsey eSIM support Approx. price Why it stands out
EE Europe Travel 30GB Budget-friendly month-long trip Strong in main towns and good around the island Yes From $17.33 30GB, voice, SMS, hotspot and 30-day validity
EE Europe Travel Plus 60GB Heavier data use Strong in towns; a better fit if you hotspot often Yes From $21.33 More data for work, navigation and streaming
O2 Travel 20GB Short breaks Good all-round for most visitors Yes From $19.00 Lower-cost voice, SMS and data bundle
O2 Travel Plus 35GB Mid-size trip Good all-round and simple to manage Yes From $23.00 Extra data without jumping to a premium package
Vodafone Travel 25GB Multi-country itineraries Strong general travel choice Yes From $32.00 Large country list, local calls, UK number and hotspot
Bouygues Europe 20GB Guernsey plus France or UK routing Solid urban coverage; useful as a wider travel bundle Yes From $20.00 French number plus EU and UK calls and texts

For most short trips, the O2 Travel 20GB eSIM or EE Europe Travel 30GB eSIM is enough for maps, messaging and booking apps. If you expect to hotspot, upload a lot of photos or work on the move, the larger EE Europe Travel Plus 60GB eSIM and Bouygues 120GB Europe eSIM give you more headroom.

Recommended product links for Guernsey

eSIM or local SIM in Guernsey?

A physical SIM can make sense if you're staying a long time and want the cheapest local bundle, but an eSIM is usually the smarter choice for a short break or business trip. You can install it before departure, keep your home number active for banking texts, and avoid spending time looking for a mobile shop after landing.

If your phone supports dual SIM, the cleanest setup is often to keep your home SIM in place for calls and verification codes, then let the Guernsey eSIM handle data. That gives you maps, WhatsApp calls, ride apps and email without changing your number.

If you only need data, messaging and navigation, a travel eSIM is usually the easiest answer. If you want a local number for a longer stay, a local SIM may work out cheaper, but you will need to factor in store opening hours, ID checks and the chance that your card may not be accepted at the counter.

Practical travel notes before you land

  • Guernsey Airport is small, so do not rely on finding a wide choice of SIM sellers when you arrive.
  • Install the eSIM on Wi-Fi before you travel so you are not setting it up in the terminal or at the harbour.
  • Expect 4G or LTE in most places, with faster speeds where 5G is available.
  • WhatsApp, FaceTime and Google Maps work normally over mobile data, which is handy for short island hops and restaurant bookings.
  • Some local SIM purchases may ask for identification, so buying online avoids that extra step.
  • If you think you will need more data, choose the larger plan up front rather than relying on a last-minute top-up.
  • Avoid unofficial kiosk offers or social media sellers; use a recognised operator page or buy before you travel.

Planning a wider Channel Islands trip? Compare Jersey eSIM plans and UK eSIM options before you book ferries or flights.

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