Guernsey eSIM Price Comparison: Entry Plan $5.04 (2026)
HelloRoam is the top pick for Guernsey, from $5.04 for 1 GB in its 29 Oct 2026 catalogue, and scores 8.3/10 on this site's formula, against Holafly's 7.5/10. HelloRoam bills checkout in 31 currencies through Stripe, with Apple Pay and Google Pay express checkout. Airalo lists 200+ destinations to the 185 HelloRoam sells.
HelloRoam, an eSIM platform, sells 4 fixed plan sizes for Guernsey in its 29 Oct 2026 catalogue. No rival Guernsey price was read on 30 Oct 2026, so this page prints catalogue prices only. HelloRoam lists 1 local operator for Guernsey: Sure on 5G.
Guernsey eSIM plans sorted by price
4 plans, sorted by total price. The green row is the lowest entry price.
Fixed data plans by tier
| Tier | Price | Per GB | Validity | Status |
|---|---|---|---|---|
| 1GB | $5.04 | $5.04/GB | 7 days | Lowest price |
| 3GB | $12.69 | $4.23/GB | 30 days | |
| 5GB | $20.70 | $4.14/GB | 30 days | |
| 20GB | $60.83 | $3.04/GB | 30 days |
Which plan is cheapest right now
The lowest fixed-data Guernsey price is the 1GB plan at $5.04 ($5.04/GB). Best per-GB value: 20GB at $60.83 ($3.04/GB).
Guernsey per-GB cost ladder
How per-GB cost changes with plan size. Bigger plans cost less per gigabyte.
Per-GB cost ladder
- 1GB: $5.04/GB
- 3GB: $4.23/GB16% cheaper
- 5GB: $4.14/GB18% cheaper
- 20GB: $3.04/GB40% cheaper
Volume discount math
Going from 1GB at $5.04/GB to 20GB at $3.04/GB cuts per-GB cost by 40%. On a 7-day trip using 1.5 GB/day, that saves $22.00 total.
Budget tips for Guernsey
Practical strategies to cut your Guernsey data costs.
Right-size your plan
Compare three usage profiles for a 7-day Guernsey trip: Light usage (0.5 GB/day) needs 4 GB. Moderate usage (1.5 GB/day) needs 11 GB. Heavy usage (3 GB/day) needs 21 GB. The 20GB plan at $60.83 covers moderate usage. Buy one tier above your estimate. Topping up costs more per GB.
Promo codes and discounts
The top pick publishes no standing discount code, so the prices above are the prices you pay. Airalo's ALOHA code takes up to $5 offa first Airalo purchase, on Airalo's own prices. See our full promo codes list for all active deals.
The expenses no one mentions
Non-obvious expenses that inflate your total trip data cost.
Carrier roaming vs eSIM
This site compares every destination against a $10/day roaming baseline, so a 7-day trip runs $70.00. The lowest catalogue price for the same week is $60.83, saving $9.17 (13%).
Top Guernsey eSIM deal today
One plan, one provider, backed by the numbers.
The pick: 20GB at $60.83
For Guernsey, our pick is HelloRoam's 20GB plan at $60.83 ($3.04/GB, valid 30 days). It covers 14 days at moderate usage, and an eSIM there attaches to Sure on 5G.
We may earn a commission if you buy through this link.
Runner-up deal
Holafly ranks second on this site's formula at 7.5/10. No Holafly price for Guernsey was read on 30 Oct 2026, so check it on Holafly's own page.
When to skip the deal
Skip the 20GB plan if your trip exceeds 14 days. At that point, a larger tier or unlimited is cheaper per day.
Guernsey eSIM price breakdown
Guernsey falls into the moderately priced category for eSIM data. At $3.04/GB, Guernsey sits 5% below the global average of $3.20/GB. 1 carrier (Sure) provides the underlying 5G infrastructure.
4 plan tiers are tracked for Guernsey, from 1GB ($5.04, $5.04/GB) to 20GB ($60.83, $3.04/GB). The volume discount from smallest to best-value tier is 40%. The largest tier also delivers the best per-GB rate.
With per-GB rates around $3.04, Guernsey is neither cheap nor expensive. Right-sizing your plan tier has the biggest impact on your total cost.
Cost-saving strategies on Guernsey trips
- Buy the 20GB tier instead of 1GB
The 1GB plan costs $5.04/GB. The 20GB plan drops to $3.04/GB. On 10GB of total usage, that saves $20.00. The upfront cost is higher ($60.83 vs $5.04), but the per-GB savings more than compensate if you use 50% or more of the plan's data.
Estimated savings: $2.00/GB, $20.00 on 10GB
- Activate on arrival to maximize validity days
Most Guernsey eSIM plans start counting from first connection to a Sure tower. Install the eSIM at home over WiFi, but keep the cellular line disabled until you land. Activating a 7-day plan 2 days early wastes 2 days of validity. Every day of your plan should align with actual travel days.
Estimated savings: 0-2 extra valid days per plan
- Turn off carrier data roaming before departure
This site compares Guernsey against a $10/day roaming baseline. Forgetting to disable roaming costs $70.00 for a week of accidental data use. A plan covering the same week costs $60.83, 13% less. Go to Settings > Cellular > turn off Data Roaming on your home carrier line before your flight.
Estimated savings: $9.17 per 7-day trip
- Consider Eurolink bundle for multi-stop Europe trips
Airalo's Eurolink regional bundle covers 39 European countries on a single eSIM from $5.00 (1GB). If Guernsey is one of 2+ stops in Europe, compare the bundle price vs buying individual plans at $5.04 each. The bundle typically saves money from the third destination onward. One eSIM, one purchase, multiple countries.
Estimated savings: Varies; typically saves from 3+ countries
Budget data on Guernsey trips
Buy the right plan size
The 20GB plan ($60.83) costs less per GB than 1GB in Guernsey. Upgrade for better value.
Download offline maps
Download offline maps before arriving in Guernsey. This saves significant mobile data on navigation.
How much data costs in Guernsey by usage level
Average travelers use about 1.5GB of mobile data per day in Guernsey. At that rate, a 7-day trip consumes roughly 10.5GB.
The 20GB plan at $60.83 ($3.04/GB) covers a full week of average use.
The cheapest option on Guernsey trips, analysed
The entry plan in the Guernsey catalogue is the 1GB plan at $5.04 ($5.04/GB).
For better value per gigabyte, the 20GB plan at $60.83 drops to $3.04/GB, saving $2.00 per GB over the entry plan.
Guernsey trip cost by duration
Weekend trip (3 days): carrier roaming costs $30.00, eSIM costs about $20.70, saving $9.30 (31%).
One-week trip (7 days): carrier roaming costs $70.00, eSIM costs about $60.83, saving $9.17 (13%).
Two-week trip (14 days): carrier roaming costs $140.00, eSIM costs about $60.83, saving $79.17 (57%).
Provider value on Guernsey trips
HelloRoam ranks first of the 5 providers on this site's published rubric at 8.3/10, ahead of Holafly (7.5), Nomad (6.1), Saily (6.1), Airalo (5.3). The rubric weighs price per GB, refund window, checkout currencies, destinations and support channels.
The lead comes from a 180-day refund window on unactivated eSIMs, checkout in 31 currencies through Stripe with Apple Pay and Google Pay, and a website and app in 63 languages.
This site read rival prices for 42 destinations on 30 Oct 2026, and Guernsey was not one of them, so the Guernsey table holds catalogue rows only.
Multi-country routing that takes in Guernsey
If visiting multiple countries in Europe, consider Airalo's Eurolink regional plan. A single plan covering multiple destinations is often cheaper than separate per-country plans.
For Guernsey only, the country plan's best rate is $3.04/GB. Add a regional plan only if you cross borders.
The cheapest eSIM on Guernsey trips
HelloRoam is the top pick for Guernsey, at 8.3 out of 10 against 7.5 for Holafly on this site's true-cost score; 5 GB there costs $20.70 for 30 days, or $4.14 per GB (catalogue of 29 Oct 2026).
HelloRoam bills checkout in 31 currencies through Stripe, with Apple Pay and Google Pay on its website and in its app. Airalo lists 200+ destinations to the 185 HelloRoam sells. Plans run on Sure's 4G LTE network.
HelloRoam's cheapest Guernsey plan is 1 GB at $5.04 for 7 days; 5 GB costs $20.70, or $4.14 per GB (catalogue of 29 Oct 2026).
Every size: 1 GB at $5.04 (7 days), 3 GB at $12.69 (30 days), 5 GB at $20.70 (30 days), 20 GB at $60.83 (30 days). All prices are pre-tax USD.
HelloRoam is the top pick for Guernsey on this site's true-cost score, 8.3 out of 10 against 7.5 for Holafly.
HelloRoam bills checkout in 31 currencies through Stripe, with Apple Pay and Google Pay on its website and in its app. Airalo lists 200+ destinations to the 185 HelloRoam sells.
Yes. HelloRoam covers a week of data in Guernsey for $60.83 on the 20 GB plan, against $70.00 at this site's $10/day roaming baseline, 13% less.
The $10/day baseline is a site reference, not a carrier price: the AT&T International Day Pass costs $12/day. eSIM plans are prepaid, so there are no overage charges.
A full week at 1.5 GB a day in Guernsey costs $60.83 on the top pick's 20 GB plan, against $70.00 at this site's $10/day roaming baseline.
Save 13% on a 7-day trip ($9) against the $10/day roaming baseline
HelloRoam sells no unlimited day plan for Guernsey, and its fixed plans start at $5.04 for 1 GB.
Fixed plans run on Sure's 4G LTE network.
Guernsey eSIM price summary
The cheapest Guernsey eSIM costs $5.04 for 1GB.
Best value: 20GB at $3.04/GB.
Upgrade from 1GB to 20GB to save $2.00 per GB in Guernsey. The larger plan costs $60.83 total but delivers better value per gigabyte.
Questions about eSIM costs
Can I see what a Guernsey eSIM costs this year?
HelloRoam's fixed Guernsey plans range from $5.04 (1GB) to $60.83 (20GB). All prices are in USD, from the 29 Oct 2026 catalogue.
Can I tell which Guernsey eSIM plan gives most value?
The 20GB plan at $60.83 has the lowest Guernsey rate, $3.04/GB. It covers 14 days at moderate usage (1.5 GB/day).
Can I save by sizing up a Guernsey eSIM plan?
Yes. Per-GB cost drops 40% from 1GB ($5.04/GB) to 20GB ($3.04/GB). On a 7-day trip that saves $40.00 total.
Can I find promo codes on Guernsey eSIM plans?
The top pick publishes no standing discount code, so the prices on this page are what you pay. Airalo's ALOHA code takes up to $5 off a first purchase. Holafly's partner link takes 5% off. Saily's seasonal sales run up to 10% off select plans. Nomad's monthly flash sales run up to 20% off on select regions. Each one applies to that provider's own prices.
Can a Guernsey eSIM beat carrier roaming, and by how much?
This site compares against a $10/day roaming baseline, so 7 days costs $70.00. The lowest catalogue price for the same week is $60.83. Savings: $9.17 (13%).
Can an airport counter beat a Guernsey eSIM on price?
This site holds no airport SIM price for Guernsey, so it cannot compare one. An eSIM at $5.04 for 1GB installs before your flight, so you skip the airport counter.
Can a Guernsey eSIM carry fees the headline price hides?
No hidden fees on eSIM plans. The price you see is the price you pay. Carrier roaming at $10/day is the hidden cost an eSIM eliminates.
Can one large Guernsey plan beat several small ones?
One larger plan. The 20GB plan costs $3.04/GB. Buying 20 x 1GB plans costs $5.04/GB. One plan saves $2.00 per GB.
Detailed pricing questions on Guernsey trips
What is the cheapest eSIM for Guernsey right now?
The cheapest tracked plan is 1GB at $5.04 ($5.04/GB), from the tracked price list in this site's data file.
How much does a large Guernsey eSIM plan cost?
The largest tracked plan is 20GB at $60.83 ($3.04/GB). It is also the lowest rate per gigabyte on this ladder.
How often are Guernsey eSIM prices updated?
Prices refresh when the site rebuilds from its tracked price feed. Each page shows the plans that feed lists for Guernsey.