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Compare eSIM Plans for Guernsey (2026)

4 providers comparedBy The Trip Desk✓ Prices verified June 2026
Quick answer

At $3.04/GB, Airalo's 20GB covers a 7-day Guernsey trip for $60.83 ($8.69/day) on Sure. 20GB is the largest fixed tier available at $60.83. No unlimited daily tier is offered here, so size your fixed plan to match your trip length. 4G LTE speeds apply to every plan. Compare 7, 14, and 30-day pricing with the tabs above.

Closest per-GB match
$3.04/GB
Across providers · Sure
Covers heavy use
Not offered
Holafly unlimited unavailable
Fits privacy needs
Saily
NordVPN-backed
Covers light budgets
$0.80/GB
Nomad
Find your plan in minutes

Plans matched to your trip length

The cheapest provider changes based on how long you stay. Work through these steps to land on the right plan without over-paying.

  1. 1 · Pick your trip length
    Use the 7 / 14 / 30 day tabs in the comparison table below. Each tab re-ranks providers by estimated cost for that duration, so the top row is the most affordable match for your travel window.
  2. 2 · Choose fixed or unlimited
    Short stays (under 7 days) almost always favor a fixed-data plan. At 14+ days, unlimited daily rates can undercut fixed plans if you stream video. The table shows both side by side at your selected duration.
  3. 3 · Install before you fly
    Purchase on the provider's official site, scan the QR code at home on Wi-Fi, and add the eSIM as a second line. Your home SIM stays active throughout.
  4. 4 · Activate on arrival in Guernsey
    Switch your data line to the travel eSIM when you land. Most plans start counting data only from first connection, not from purchase, so you don't lose a day in transit.
Side-by-side pricing

Filter plans by duration

Providers re-ranked by estimated trip cost each time you switch duration. Prices are starting rates verified June 2026.

Ranked by estimated cost for a 7-day trip to Guernsey. Fixed plans assume 1.5 GB/day usage.

Guernsey eSIM comparison: 4 fixed-data providers compared by estimated trip cost, verified June 2026
ProviderTypeEst. 7-day costCoverageNetworkRatingAction
AiraloMulti-Country Trip PlanningFixed$60.83 (20 GB)20 GB covers 7d at 1.5 GB/daySure4.8/5See plan →
SailyBuilt-In VPN for Public WiFiFixedfrom $2.99Global starting priceSure4.5/5See plan →
NomadLowest Per-GB for SE Asia CircuitsFixedfrom $0.80Global starting priceSure4.4/5See plan →
HelloRoamBroad Coverage at Fair PricingFixedfrom $3.50Global starting priceSure4.4/5See plan →
HolaflyFlat Daily Rate, No Data TrackingUnlimitedN/AUnavailableSure4.6/5Unavailable
1
✓ Prices verified June 2026

We may earn a commission from these links. It never changes how plans are matched.

No single plan covers 30 days for Guernsey. Stack two 14-day plans for a full month.

All prices are per device in USD and were checked against official provider websites in June 2026.

The four providers

Four providers for your dates

AiraloMulti-Country Trip Planning
4.8 / 5Multi-Country Trip Planning · 200+ countries$4.50/GB

Airalo leads for multi-country trips with regional bundles covering up to 130 de

Full Airalo review
HolaflyFlat Daily Rate, No Data Tracking
4.6 / 5Flat Daily Rate, No Data Tracking · 160+ countries$3.90/day

Holafly charges a flat daily rate across 160+ destinations and suits long-haul t

Full Holafly review
SailyBuilt-In VPN for Public WiFi
4.5 / 5Built-In VPN for Public WiFi · 200+ countries$2.99/GB

Saily bundles a Nord Security VPN into every eSIM plan across 200+ destinations,

Full Saily review
NomadLowest Per-GB for SE Asia Circuits
4.4 / 5Lowest Per-GB for SE Asia Circuits · 200+ countries$0.80/GB

Nomad drops to $0.80/GB on the Thailand 20 GB tier, with QR delivery under two m

Full Nomad review
HelloRoamBroad Coverage at Fair Pricing
4.4 / 5Broad Coverage at Fair Pricing · 186+ countries$3.50/GB

HelloRoam covers 186+ countries with local network routing, fixed and unlimited

Full HelloRoam review

Guernsey Quick-start data guide

A weekend in Guernsey (3 days) needs about 5GB. A 5GB plan costs $20.70, which works out to $6.90/day. Extend to a 7-day trip and the 20GB plan at $60.83 ($8.69/day) becomes the better fit. Compare plans by your exact travel dates to avoid paying for unused data.

A 14-day stay calls for the 20GB plan at $60.83, or $4.34/day.

Fixed 20GB at $60.83 covers 13 days of moderate use.

Network coverage in Guernsey

Carrier choice does not change for short or long trips. All 5 providers route through Sure in Guernsey. A 3-day visitor and a 30-day resident connect to the same 4G LTE towers. Download speeds stay consistent whether you are in the city center or near major tourist areas.

  • Sure: 4G coverage

Which Guernsey plan should you pick?

3-day trip: $6.90/day. 7-day trip: $8.69/day. 14-day trip: $4.34/day. 30-day trip: $2.03/day. Per-day cost drops 71% from a 3-day to a 30-day commitment. Buying one plan that covers your full stay costs less per day than stacking shorter plans back to back.

How to activate your Guernsey eSIM

Activation takes about five minutes and is best done at home before you fly. The four steps above apply to every provider in this comparison.

Planning your Guernsey trip data

Planning data for a Guernsey trip starts with your trip length. A 7-day average stay uses about 11GB at moderate pace. Sure GG provides 4G LTE coverage across tourist areas and city centers.

A 7-day trip fits the 20GB plan at $60.83.

Match your plan tier to your departure-to-return window. Buying one correctly-sized plan costs less than stacking shorter plans.

WiFi and cellular in Guernsey

Guernsey runs 4G LTE cellular through Sure. All five eSIM providers route through Sure GG for consistent coverage across tourist corridors.

Provider recommendations by trip type

Five providers cover Guernsey with different strengths. Budget travelers benefit from the lowest per-GB pricing starting at $5.04 for 1GB. Business travelers prioritize speed and unlimited plans.

Digital nomads on 30-day stays need tethering support and large data allowances. Solo travelers should pick the provider with the widest destination coverage for flexible itinerary changes. Check provider scores on the comparison table above for Guernsey-specific ratings.

Seasonal travel and data planning

Guernsey attracts visitors year-round. Network speeds stay consistent outside of major local events and holidays. Size your plan to your trip length regardless of travel month.

Best eSIM for a Guernsey trip

The best eSIM for Guernsey starts at $5.04 (1GB) from Airalo. Plans run on Sure GG with 4G LTE coverage across major cities and tourist routes. Activation takes under three minutes through the app. Download before departure, switch on after landing, and pay only for the data you use.

eSIM or local SIM for Guernsey?

An eSIM is better than a local SIM for most Guernsey travelers. Local SIM cards in Guernsey are available at airport counters, but setup takes 10-20 minutes and may require ID. Airalo's eSIM activates in under three minutes through the app, with no ID required. Local SIMs cost about a few dollars; eSIM plans start at $5.04. The eSIM connects to Sure GG with 4G LTE speeds, the same network a local SIM would use.

WiFi vs eSIM in Guernsey

An eSIM is more reliable and secure than WiFi for Guernsey travel. WiFi in Guernsey is available in major hotels and some cafes, but coverage outside cities is limited. Public WiFi networks carry security risks including data interception and fake hotspots. Airalo's eSIM on Sure GG provides 4G LTE private data that works everywhere you have cell coverage. eSIM plans start at $5.04 for 1GB. Use hotel WiFi for large downloads and streaming. Use eSIM data for navigation, messaging, and anything sensitive.

Guernsey eSIM FAQ

Frequently asked questions

Which eSIM plan fits a weekend trip to Guernsey?+
A 3-day trip to Guernsey on Sure's 4G LTE network needs 1.5GB for a light user (maps and messages only), so the 3GB at $12.69 is enough. A moderate user using social media and navigation needs 4 to 5GB, so go with the 5GB at $20.70. Heavy users streaming or video-calling need 10GB or more; buy the largest fixed plan available. For a typical weekend traveler, the 5GB at $20.70 fits most weekend travelers without overpaying for unused data.
How does eSIM cost change for 7 vs 14 vs 30 days in Guernsey?+
Per-day data cost in Guernsey drops as trip length increases. 7 days: 20GB plan at $60.83 total ($8.69/day). 14 days: 20GB plan at $60.83 total ($4.34/day). 30 days: 20GB fixed plan at $2.03/day. The 14-day bracket balances daily rate and flexibility for most travelers visiting Guernsey.
Can I top up or extend my eSIM mid-trip in Guernsey?+
Running low on data in Guernsey? All five providers offer in-app top-ups that activate in seconds. Airalo lets you buy additional data through the app in real time, and the top-up activates within 60 seconds. Saily and Nomad both support fixed-data top-ups with no reinstallation. A top-up of 1GB costs $5.04, the same as buying a new plan. Buying a larger plan upfront is cheaper per GB than topping up, but the option is always available if you underestimate your usage.
Does eSIM work in Guernsey?+
Yes, eSIM coverage in Guernsey runs on Sure at 4G LTE. Samsung Galaxy S22 and later, iPhone XS and later, and Google Pixel 4a and later are all compatible. Make sure your device is unlocked from its original carrier, then scan the QR code before you leave home.
Does unused Guernsey eSIM data roll over to the next trip?+
No. Travel eSIM data in Guernsey expires at the end of the plan validity window, and unused gigabytes do not carry over to future trips or additional purchases. Buy a plan that matches your actual trip length, not a larger buffer. A 7-day Guernsey plan like the 20GB tier at $60.83 expires after 7 days whether you use all 20GB or not. If your trip ends early, most providers (Airalo and Holafly) offer refund policies on unused plans within their support window.
Can I use a Guernsey eSIM across multiple European countries on one trip?+
A Guernsey-specific eSIM only covers Guernsey. For multi-country European trips, Airalo's Eurolink bundle covers 39 EU countries on a single plan with no swapping required at each border. If Guernsey is your only stop, a single-country plan is cheaper: 20GB at $60.83 for a 7-day trip. EU roaming rules do not apply to travel eSIMs because each plan is a standalone purchase.
Does my Guernsey eSIM stay active when I cross into a neighboring country?+
No, a single-country Guernsey eSIM deactivates outside Guernsey's borders. Plan your data use for the exact days you are in Guernsey. For trips combining Guernsey with other European stops, a regional bundle covers the full itinerary on one purchase. A 20GB plan at $60.83 fits a two-week Guernsey stay, but it stops working the moment you cross the border.
Is a 7-day or 14-day Guernsey eSIM plan better value?+
Longer plans in Guernsey cost less per day than shorter ones. A 7-day stay fits the 20GB plan at $60.83 ($8.69/day). A 14-day stay fits the 20GB plan at $60.83 ($4.34/day). Buying one correctly-sized plan costs less than buying two smaller plans back-to-back.
What 4G LTE coverage can I expect on a full Guernsey itinerary?+
Guernsey eSIMs run on Sure at 4G LTE. Coverage holds reliably in tourist areas and city centers. For a full-country itinerary, check the detailed network map before finalizing your carrier preference.
How do I choose an eSIM plan for Guernsey?+
Estimate 1.5GB per day for typical travel use. Plans for Guernsey start at $5.04 for 1GB. Pick the plan that covers your full trip length so you do not run out mid-stay. If your trip is shorter than the plan window, the remaining days simply expire.