Cheapest eSIM for Guernsey in 2026

HelloRoam leads Guernsey with 4 plans, starting at $60.83 ($3.04/GB, 20GB, 30 days). HelloRoam plans support top-up and tethering. Across all providers, hotspot tethering and top-up support are available — check individual plans for eligibility.

Use-case picks for Guernsey based on plan data: Weekend (2-3 days): HelloRoam 3GB at $12.69 (3GB, 30 days). Week trip (7 days): HelloRoam 5GB at $20.70 (5GB, 30 days). Two-week vacation: HelloRoam 20GB at $60.83 (20GB, 30 days). Digital nomad (30 days): HelloRoam 20GB at $60.83 (20GB, 30 days).

HelloRoam's 20GB plan at $60.83 delivers the strongest price-to-data ratio for Guernsey. At $3.04/GB for 20GB over 30 days, the daily cost is $2.03. HelloRoam's plan includes tethering included and top-up available at no extra cost. This plan connects through Sure in Guernsey. 1 provider compete for Guernsey across 4 plans. The per-GB spread from cheapest to most expensive is $3.04 to $5.04.

• Best value: HelloRoam at $3.04/GB
• Total price: $60.83 for 20GB
• Daily cost: $2.03
• Validity: 30 days
• Providers tracked: 1
• Plans tracked: 4

Guernsey eSIM pricing varies significantly by data tier. The right plan depends on trip length and daily usage intensity. 1GB: HelloRoam leads at $5.04 ($5.04/GB, 1GB, 7 days). This tier suits maps, messaging, and basic browsing for 2-3 days. Top-up is available if you underestimate your needs. 3GB: HelloRoam leads at $12.69 ($4.23/GB, 3GB, 30 days). This tier suits maps, social media, and messaging for a 5-7 day trip. Top-up is available if you underestimate your needs. 5GB: HelloRoam leads at $20.70 ($4.14/GB, 5GB, 30 days). This tier suits active social media use and photo uploads for a week. 10GB: HelloRoam leads at $60.83 ($3.04/GB, 20GB, 30 days). This tier suits streaming, video calls, and heavy browsing for 7-14 days. 20GB: HelloRoam leads at $60.83 ($3.04/GB, 20GB, 30 days). This tier suits digital nomad work, daily streaming, and tethering for 2-4 weeks. Per-GB rates drop with plan size: $5.04/GB at 1GB vs $3.04/GB at 10GB. Buying larger saves 40% per gigabyte.

1 provider compete for Guernsey with 4 total plans. Each has distinct strengths. HelloRoam: 4 plans, from $60.83 ($3.04/GB). Largest plan: 20GB. Strengths: cheapest per-GB at $3.04/GB, tethering on all plans, top-up support, plans up to 30 days. HelloRoam wins the price race for Guernsey at $3.04/GB. For travelers who prioritize price above all else, HelloRoam is the data-driven choice. For those who value specific features (plan variety, longer validity, or unique app features), comparing across all 1 providers is worthwhile.

Guernsey is a Tier 3 eSIM destination: limited provider coverage with constrained plan options. 4 plans from 1 provider are tracked, starting at $3.04/GB. Tier 3 markets have fewer plans, less provider competition, and higher per-GB rates. If only 1-2 providers cover this destination, pricing is less competitive. The available options may still offer strong value compared to local SIM or roaming costs. Only one provider covers Guernsey. Without competition, prices are set by that provider's wholesale costs and margins. Monitor this page for new providers entering the market.

Guernsey's primary carriers are Sure GG and JT and Airtel-Vodafone. Small island with good coverage. Emergency number: 999/112.

An eSIM for Guernsey is a prepaid digital SIM card with no physical component. The cheapest Guernsey eSIM costs $3.04/GB — up to 80% less than airport SIM counters. You purchase online, scan a QR code, and connect to local 4G/5G networks in under 2 minutes.