Find the best eSIM for Guernsey
Compare 1,368 plans from over 36 eSIM brands · from$1.06
Cheapest 1 GB plan today $1.32 — at its 30-day low
Reviewed by the eSIM Advice Editorial Team · Prices last synced Aug 28, 2026 — some may have changed since · How we rank
Why use an eSIM in Guernsey?
How to set up a Guernsey eSIM in 3 steps
Install before you fly over Wi-Fi — your data allowance only starts when you arrive and connect to a local network.
How much data do you need for a Guernsey trip?
Planning data for Guernsey? For a typical week of maps, messaging, social media and the occasional video, 5–10 GB is plenty. Light users checking email and directions can get by on 1–3 GB, while remote workers, heavy streamers or anyone tethering a laptop should look at 20 GB or an unlimited plan. Because plans are cheap, it is usually worth sizing up a tier rather than risk running out mid-trip. Our guide to sizing a travel data plan breaks the numbers down by trip type.
Single-country vs regional eSIMs
If Guernsey is your only stop, a single-country plan gives the best price per GB. Visiting neighbouring countries on the same trip? A regional plan covers many countries on one eSIM — slightly pricier per GB, but you skip buying a second SIM at the border. We compare the two head-to-head in local vs regional eSIM plans.
eSIM vs roaming vs a physical SIM
In Guernsey, carrier roaming is the most expensive option and often metered by the day. A physical tourist SIM means queueing at the airport and swapping out your home number. An eSIM keeps your regular number active for calls and texts while a second data line handles the internet — installed in minutes, before you even leave home. See the full cost breakdown in eSIM vs physical SIM vs roaming.
Best Guernsey eSIM for…
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Quick reads that help you pick the right plan and set it up without surprises.
Guernsey eSIM — quick answers
What is the best eSIM for Guernsey?
The current value pick is RedEx eSIM Unlimited Data - 1 day (3 GB / 384 Kbps), shown at $2.01 and $0.67/GB.
What is the cheapest eSIM for Guernsey?
The cheapest currently available Guernsey plan is abesteSIM eSIM Europe (49 Destinations) - 1 Day / Daily 500MB at $1.06.
Are coupon discounts included in the prices?
Yes. When an active provider coupon is eligible and marked for auto-apply, eSIMAdvice shows the discounted Guernsey plan price before the click-through. The Apply promo codes toggle above the table switches between coupon-applied and original prices.
Can I use hotspot with Guernsey eSIM plans?
Hotspot support is shown on every Guernsey plan row when the provider data includes it — filter the table by hotspot to see only tethering-friendly plans, and confirm the final policy at provider checkout.
Which mobile networks operate in Guernsey?
Local network partners vary by provider. Check the provider checkout page for the exact roaming network before buying a Guernsey eSIM.
Should I install my eSIM before arriving in Guernsey?
Usually yes. Download your Guernsey eSIM profile on reliable Wi-Fi before you fly, then follow the provider's activation steps on arrival — most plans only start their validity when you first connect to a Guernsey network.
How much does 1GB of eSIM data cost in Guernsey?
Right now (September 6, 2026), 1GB of travel eSIM data for Guernsey starts at $1.32. We compare 1,368 live plans from 36 providers, refreshed from provider feeds every day.
What's the lowest-priced data plan for a trip to Guernsey?
The cheapest eSIM plan for Guernsey currently starts at $1.06 (as of September 6, 2026). Smaller plans suit short stays — use the trip filter above to match your days and data needs.
Do Guernsey travel eSIMs allow tethering?
34 of 36 providers currently permit tethering on their Guernsey plans, so you can share data with a laptop or travel companions. Filter the table by Hotspot to compare them.
Are there unlimited data eSIMs for Guernsey?
97 plans for Guernsey are sold as unlimited, from $3.30. Fair-use policies usually apply after heavy use, so compare the fine print before choosing one.