MS
All 6 Montserrat eSIM plans compared, from $10.98 to $164.45
| Provider | Price (5GB) | Coverage | Rating | Best For |
|---|---|---|---|---|
| HelloRoam | $40.80 | FLOW | 4.9/5 | Data-only travel plans |
| Airalo | Not verified | 200+ countries | 4.5/5 | Most destinations |
| Holafly | Unlimited | 160 countries | 4.2/5 | Heavy users |
Our top 3 picks for Montserrat
We evaluated 6 eSIM plans available for Montserrat, comparing them on verified pricing, network coverage, top-up availability, and app quality. Five stood out.
Pros: Montserrat coverage on FLOW, hotspot sharing on every plan, and a 180-day refund on an unactivated eSIM. Cons: Newer brand, smaller community than Airalo.
| Tier | Duration | Discount | Starting price |
|---|---|---|---|
| Short Stay | 1-2 days | 4% off | $6.70$3.35/day · 2d |
| Week Package | 3-9 days | 8% off | $22.48$3.21/day · 7d |
| Extended Stay | 10-19 days | 11% off | $31.06$3.11/day · 10d |
| Monthly Package | 20-29 days | 15% off | $59.33$2.97/day · 20d |
| Long TermBest Value | 30-365 days | 18% off | $85.85$2.86/day · 30d |
Pros: 200+ countries, top-up available, largest community. Cons: Priced above newer competitors on some routes, support response times can vary.
Pros: Truly unlimited data, full-speed on most plans, live chat support 24/7. Cons: Premium pricing, no per-GB options available.
FLOW 4G is the only network on Montserrat
FLOW is the only mobile network on Montserrat, so every HelloRoam Montserrat plan attaches to it and nothing else. The island's coverage is limited to the northern inhabited zone after the southern half entered a permanent exclusion zone following Soufrière Hills volcano activity. Little Bay (the de facto new capital in development), Salem, Brades, and St.
John's in the north have 4G coverage. The Gerald's Airport area and ferry terminal at Little Bay have reliable signal. Coverage quality is adequate for navigation and messaging on a smaller Eastern Caribbean island network.
Coverage analysis
FLOW 4G covers the northern inhabited zone: Little Bay harbor and ferry terminal, Brades (the current administrative center), Salem, Cudjoe Head, and Gerald's Airport. The exclusion zone boundary viewing area near Old Towne has intermittent signal. Montserrat Volcano Observatory has workable coverage.
Centre Hills trail access points have signal at trailheads; remote forest interior drops to 3G. The west coast road from Little Bay to Salem has consistent 4G. The abandoned south including Plymouth remains in the exclusion zone with no public access.
Activation
Montserrat has no commercial jet airport. Most visitors arrive by ferry from Antigua or by small charter aircraft to Gerald's Airport. Install your eSIM before leaving Antigua or your origin country, then turn the line on when you arrive.
FLOW registers automatically at Little Bay ferry terminal and at Gerald's Airport. No SIM counter exists on the island; buying a local SIM means visiting a FLOW shop in Brades, which makes an eSIM the practical option. iPhone XS or newer, Pixel 3a or newer, and Galaxy S20 or newer support eSIM.
Data usage tips
Budget 200-400 MB per day for Google Maps around Montserrat's northern road network, WhatsApp with tour guides for volcano observation tours, and posting from the exclusion zone viewpoint with Plymouth in the background. Download offline maps of Montserrat before arrival, because FLOW's smaller network makes live map requests slower. A week's visit typically uses 2-4 GB, which the $40.80 5 GB plan covers.
A 2 GB per day plan at $18 fits heavy days such as a Centre Hills hike or a helicopter overflight of the volcano.
eSIM plan pricing in Montserrat
Montserrat eSIM plans start at $10.98 for 1 GB over 7 days on FLOW 4G. A 3 GB plan costs $26.10 and 5 GB costs $40.80. Ten GB costs $74.66, which works out to $7.47 per GB.
Twenty GB costs $164.45. A 2 GB per day plan costs $18. Island pricing runs high here: HelloRoam's median across 185 destinations is $2.20 per GB.
Bottom line: a week of volcano tours and Centre Hills hiking costs $40.80 at 5 GB on FLOW 4G, and no SIM counter exists at the ferry terminal or the airport to undercut it.
Choosing a Montserrat plan for a volcano week
| Plan | Network | Validity | Price |
|---|---|---|---|
| Montserrat 10GB 30Days ⭐ | FLOW | 30 days / 10 GB | $74.66 |
| Montserrat 5GB 30Days | FLOW | 30 days / 5 GB | $40.80 |
| Montserrat 20GB 30Days | FLOW | 30 days / 20 GB | $164.45 |
| Montserrat 3GB 30Days | FLOW | 30 days / 3 GB | $26.10 |
| Montserrat 1GB 7Days | FLOW | 7 days / 1 GB | $10.98 |
| Montserrat 2GB/Day | FLOW | 1 day / 2 GB per day | $18.00 |
Prices verified: May 22, 2026
Questions about Montserrat eSIMs
What is the best eSIM for Montserrat?+
How much does a Montserrat eSIM cost?+
How do I get a SIM card in Montserrat?+
How do I get to Montserrat and use an eSIM on arrival?+
Does eSIM work near the Soufrière Hills volcano exclusion zone?+
Which network does eSIM use in Montserrat?+
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Can I use my Montserrat eSIM in Antigua as well?+
Provider reviews
Read our in-depth reviews of the top eSIM providers available in Montserrat.
