Guernsey Travel eSIM
A week in Guernsey at standard use (about 1GB a day) costs US$42.50 on the 10GB, 30 day Guernsey (Europe) plan, and two weeks US$70.20 on the 20GB, 30 day Guernsey (Europe) plan.
Roams on Sure, with 5G.
Your trip
About 1GB a day
Guernsey (Europe): 10GB, 30 daysUS$42.50
US$4.25 per GB
Birthday sale: 30% off with BIRTHDAY30 until 9 Oct.
The RoamMore Guernsey eSIM runs on Sure with 5G, with plans of 1GB or more from US$8. Days start when it first connects in Guernsey, not when you install it.
Light or heavy user? See trip costsFind my Guernsey planHow much data do I need?
Guernsey eSIM key facts
- Networks
- Sure (5G)
- Cheapest plan, 1GB or more
- US$8 for 1GB, 7 days
- Best price per GB
- US$3.70 per GB on 20GB, 30 days (US$74)
- Plans
- 5 fixed data plans
- Popular plans
- 1GB, 7 days: US$8
- 3GB, 30 days: US$17.10
- 20GB, 30 days: US$74
- Regional plans that also cover it
- Days start
- On first connection in Guernsey
- Install window
- 180 days from purchase
- Internet exit (breakout)
- United Kingdom
- Calls and texts
- Data only; app calls work
Prices and networks checked 27 Sep 2026 from our live catalogue. Reviewed by Nicholas, founder.
Guernsey eSIM data plans
One block of data for a set number of days. Prices in USD, updated 27 Sep 2026.
Enter code BIRTHDAY30 at checkout for 30% off every plan below.
| Data | Valid for | Price | Buy |
|---|---|---|---|
| 1GB | 7 days | $8 USD | Buy |
| 3GB | 15 days | $17 USD | Buy |
| 3GB | 30 days | $17.10 USD | Buy |
| 5GB | 30 days | $26.50 USD | Buy |
| 20GB | 30 days | $74 USD | Buy |
Buy sends you to our shop's secure Stripe checkout. Your eSIM installs right after checkout, with a copy by email.
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How much is a Guernsey eSIM for one or two weeks?
The cheapest plan that covers each trip: one of these, or a regional plan that covers it where that costs less or none here is big enough.
| Data use | One week | Two weeks |
|---|---|---|
| Lightabout 300MB a day | US$173GB, 15 days | US$25.50Guernsey (Europe): 5GB, 30 days |
| Standardabout 1GB a day | US$42.50Guernsey (Europe): 10GB, 30 days | US$70.20Guernsey (Europe): 20GB, 30 days |
| Heavyabout 2GB a day | US$70.20Guernsey (Europe): 20GB, 30 days | US$168Guernsey (Europe): 50GB, 180 days |
Guernsey eSIM FAQ
How much is a Guernsey eSIM for a week?
Standard use, about 1GB a day, costs US$42.50 on the 10GB, 30 day Guernsey (Europe) plan; light use (300MB a day) US$17 (3GB, 15 days) and heavy use (2GB a day) US$70.20 (Guernsey (Europe): 20GB, 30 days).
How much is a Guernsey eSIM for two weeks?
Standard use, about 1GB a day, costs US$70.20 on the 20GB, 30 day Guernsey (Europe) plan; light use (300MB a day) US$25.50 (Guernsey (Europe): 5GB, 30 days) and heavy use (2GB a day) US$168 (Guernsey (Europe): 50GB, 180 days).
Does the Guernsey eSIM have 5G?
Yes: Sure runs 5G in Guernsey. 5G needs a 5G phone and a 5G signal where you are.
Which networks does the Guernsey eSIM use?
It connects to Sure (5G), our partner network in Guernsey.
Which regional eSIM also covers Guernsey?
The Europe eSIM includes Guernsey and covers up to 43 countries on one plan, from US$8.20, handy if the trip also takes in the United Kingdom or Lithuania.
When do the days start on the Guernsey eSIM?
On first connection in Guernsey, not at purchase or install. Install it on wifi before you fly, up to 180 days after buying.
Can I make calls with the Guernsey eSIM?
No, it is data only, with no Guernsey number: WhatsApp and FaceTime calls work over the data.
Where does the Guernsey eSIM connect to the internet from?
From the United Kingdom, so apps may see you there rather than in Guernsey, which mostly matters to banking and streaming.
Heading somewhere else?
One eSIM can cover a whole region, handy for multi-country trips.
Travel eSIM guides for Guernsey
Ready to land online in Guernsey?
Pick your data, install before you fly, connect the second you arrive. Find my Guernsey plan