eSIM plans · EuropeJersey eSIM: How Much Data You Need (2026)
HelloRoam takes 31 currencies at checkout. Airalo, Holafly, Nomad and Saily take one. Jersey sizes to 11 GB over 7 days, and the 20 GB tier at $22.49 is the fit, on a published list naming JT. Airalo lists 200+ destinations against HelloRoam's 186.
Mobile data in Jersey runs on JT's 5G network. A 7-day trip at moderate usage (1.5GB a day for maps, messaging and browsing) totals 11GB. The 20GB plan at $22.49 covers that with 9GB to spare. Heavy users skip the math with unlimited data from $3.49/day on the local network on the published list.
One operator carries Jersey on the published list, JT.
Checking email and loading maps holds a trip on the 0.5 GB light band, 4GB over 7 days. If you scroll social feeds and use navigation, then 1.5GB/day (11GB total) fits better. If you stream video or join calls, then 3GB/day (21GB total) is the target. Jersey's 1 carrier on 5G carry 6 plan options for all three profiles.
Matching plans to usage profiles in Jersey: At $9.99, the 5GB plan handles 7 days of basic navigation and email without overspending. Social media and navigation users fit the 5GB plan at $9.99, which delivers $2.00/GB across 7 days. Video callers and streamers skip fixed plans and pay $3.49/day for uncapped 5G data on the local network on the published list.
The tier that fits a Jersey trip
Three tiers, and all 5 providers scored inside each one. Most travelers land on Moderate. Not sure? Take the quiz.
Light use, 1 to 3 GB
Maps and transit apps · Translation and messaging · Email and boarding passes
Light week in Jersey, phone out only for directions? HelloRoam takes Light at 86 out of 100. Nomad is next at 83. On rate alone Nomad wins: $3.00 a gigabyte, where HelloRoam asks $3.50. Budget first, everything else second: Nomad. Holafly sells nothing this small, so it scores 31. A 3 GB plan for Jersey runs $7.99.
| Provider | Plan at this size | Per GB at 0.5 GB/day | Tier match |
|---|---|---|---|
| HelloRoamMost Support LanguagesTier pick | Fixed 1 GB and 3 GB tiersPublished rate $3.50/GB | $3.50 | 86/100 |
| NomadLowest Fixed Rate | Fixed 1 GB and 3 GB tiersPublished rate $3.00/GB | $3.00 | 83/100 |
| SailyOnly Built-In VPN | Fixed 1 GB and 3 GB tiersPublished rate $3.99/GB | $3.99 | 77/100 |
| AiraloOnly Regional Bundles | Fixed 1 GB and 3 GB tiersPublished rate $4.50/GB | $4.50 | 74/100 |
| HolaflyBest Unlimited Value | No plan at this size, unlimited daily onlyPublished rate $2.99/day | No rate to quote | 31/100 |
Moderate use, 3 to 7 GB
Photo sharing and social apps · Browsing and short video · Music and a call home
Posting photos and browsing through a week in Jersey? Holafly wins this tier 96 to 86, with HelloRoam second. Nobody beats its $1.99 a gigabyte at 1.5 GB a day. HelloRoam lands at 86, second best and beaten. A 5 GB plan for Jersey runs $9.99.
| Provider | Plan at this size | Per GB at 1.5 GB/day | Tier match |
|---|---|---|---|
| HolaflyBest Unlimited ValueTier pick | Unlimited daily, no 5 GB tierPublished rate $2.99/day | $1.99 | 96/100 |
| HelloRoamMost Support Languages | Fixed 3 GB and 5 GB tiersPublished rate $3.50/GB | $3.50 | 86/100 |
| NomadLowest Fixed Rate | Fixed 3 GB and 5 GB tiersPublished rate $3.00/GB | $3.00 | 83/100 |
| SailyOnly Built-In VPN | Fixed 3 GB and 5 GB tiersPublished rate $3.99/GB | $3.99 | 77/100 |
| AiraloOnly Regional Bundles | Fixed 3 GB and 5 GB tiersPublished rate $4.50/GB | $4.50 | 74/100 |
Heavy use, 10 GB and up
Streaming and video calls · A full remote work day · Laptop hotspot
Running a whole working day off mobile data in Jersey? The match score puts Holafly first here, 96 to HelloRoam's 66. The cheapest gigabyte at this usage is also Holafly's, $1.00. HelloRoam lands at 66, second best and beaten. Saily and Nomad cap you at a fixed bundle, which for a heavy week means paying for the ceiling. A 10 GB plan for Jersey runs $18.49, and unlimited runs $3.49 a day.
| Provider | Plan at this size | Per GB at 3 GB/day | Tier match |
|---|---|---|---|
| HolaflyBest Unlimited ValueTier pick | Unlimited dailyPublished rate $2.99/day | $1.00 | 96/100 |
| HelloRoamMost Support Languages | Fixed up to 20 GB, unlimited in some destinationsPublished rate $3.50/GB | $3.50 | 66/100 |
| AiraloOnly Regional Bundles | Fixed up to 20 GB, unlimited in some destinationsPublished rate $4.50/GB | $4.50 | 54/100 |
| NomadLowest Fixed Rate | Fixed tiers only, no unlimited planPublished rate $3.00/GB | $3.00 | 43/100 |
| SailyOnly Built-In VPN | Fixed tiers only, no unlimited planPublished rate $3.99/GB | $3.99 | 37/100 |
Every figure in the rate column starts life as a published entry price, then gets expressed per gigabyte at the tier's daily usage. A per-day plan and a per-GB plan only meet on that one scale. Published entry rates: Airalo $4.50/GB, Saily $3.99/GB, Holafly $2.99/day, Nomad $3.00/GB, HelloRoam $3.50/GB. Those are catalogue floors, not prices for Jersey. Where a plan price for Jersey appears above, it is HelloRoam's. That is the one per-destination price feed we hold. The other four publish a floor and nothing destination-specific we can verify, so we quote no Jersey price for them at all.
How trip length changes your Jersey plan
Short trips and extended stays need different data strategies. Find your trip length below.
Short trip (1-3 days)
Short trips to Jersey use 5GB total. The 5GB at $9.99 fits 3 days of social media and navigation.
Standard trip (5-10 days)
For a week-long visit, 11GB covers moderate daily use. The 20GB at $22.49 on the local network on the published list fits this range.
Extended stay (14-30 days)
Extended stays of 14-30 days push past fixed plan limits. Unlimited data at $3.49/day on the local network on the published list removes the cap.
Your Jersey shortlist, all 5 providers
Two questions decide most e-sim purchases: how big the bundle is and how long it lasts. Here is both, next to tethering, phone numbers and each published rate.
| Provider | Our rubric score | Min to max GB | Min to max validity | Hotspot | Local number | Entry rate | Action |
|---|---|---|---|---|---|---|---|
 HelloRoamMost Support LanguagesTop of our rubric | 8.7/10 | 1 GB to 20 GB, plus unlimited | Unlimited runs 1 to 30 days, fixed window not published | Not published | No, data only | $3.50/GB | Get Plan |
 HolaflyBest Unlimited Value | 8.6/10 | Unlimited daily, no GB tiers | 1 to 90 days | Capped at 1 GB per day | No, data only | $2.99/day | Get Plan |
 AiraloOnly Regional Bundles | 6.9/10 | 1 GB to 20 GB | 7 to 30 days | Included, full speed | No, data only | $4.50/GB | Get Plan |
 NomadLowest Fixed Rate | 6.6/10 | From 1 GB, top size not published | 30 days on the plans we list | Not published | No, data only | $3.00/GB | Get Plan |
 SailyOnly Built-In VPN | 6.5/10 | From 1 GB, top size not published | Not published | Included on all plans | No, data only | $3.99/GB | Get Plan |
Affiliate disclosure: We earn a commission when you buy through our links at no extra cost to you.
Who you're connecting to
In Jersey, the underlying carrier matters more than the brand on your plan.
Carrier routing determines the right plan for each traveler type in Jersey. Most of Jersey's 5G capacity sits with JT, concentrated where visitors actually go. None of the five publishes which of those carriers it uses here, so pick on plan shape and cover instead. Airalo publishes 200 destinations, more than anyone else here, and sells regional bundles spanning whole continents on one eSIM. Its entry rate is the highest of the five at $4.50/GB. If you would rather not think about gigabytes in Jersey, Holafly sells only unlimited days, published from $2.99/day. Fair-use throttling kicks in past the daily threshold and tethering caps at 1GB. If you work from cafes in Jersey, Saily's VPN layer encrypts traffic without a second app. Plans start at $3.99/GB and Saily support runs in 1 language, by email only. Nomad is the price play: a published $3.00/GB, the lowest fixed floor of the five, on 200 destinations. No unlimited tier, no bundles, email support only. Trips move, and dates slip. HelloRoam's 180-day refund window on unactivated eSIMs covers that, and support answers in 63 languages on chat, WhatsApp and email. Its entry rate is $3.50/GB. All 1 operator in Jersey support 5G, so the plan size matters more than the carrier preference.
HelloRoam publishes its local operator list for Jersey, and the next section prints that list in full. The other four providers publish no equivalent list, so the cards below carry published facts about each provider instead of a carrier we would be guessing at.
Airalo
5GReaches the most destinations of the five, at 200.
Saily
5GAdds VPN routing on every plan.
Holafly
5GUnlimited daily plans with fair-use speeds after the threshold.
Nomad
5GLowest fixed per-GB rate of the five, at $3.00.
HelloRoam
5GRuns on 204+ carrier partners with a 180-day refund window.
Who you connect to in Jersey
HelloRoam publishes one local operator for Jersey. That operator is JT. 117 of the 185 destinations HelloRoam publishes work this way.
One operator means no fallback. A weak JT signal in a valley or a basement leaves you offline until you move. Save offline maps for Jersey before you fly.
HelloRoam marks 5G on JT. This does not change how many gigabytes you need. Trip length still sets the tier.
| Local operator | Network labels |
|---|---|
| JT | 5G |
Where this table came from: HelloRoam's own destination catalogue, read on 17 August 2026. That catalogue publishes an operator list for every destination it sells, and we copied it. Nobody ran a speed test to build it, and no throughput number sits behind any row.
What uses your data in Jersey
Activity-level data breakdown for a Jersey trip.
Streaming
Streaming moves a traveler into the heavy band, which the published benchmark puts at 3 GB a day. 7 days in Jersey at that rate comes to 21 GB, and the 20GB plan at $22.49 is the smallest Jersey tier that clears it. Downloading episodes over hotel WiFi keeps the day inside the 1.5 GB moderate band instead.
Navigation
Maps and ride-hailing sit in the light band, 0.5 GB a day on the published benchmark. 7 days of Jersey navigation totals 4 GB, and the 5GB plan at $9.99 covers it. Offline maps cut the figure again, because a downloaded map draws nothing while you walk.
Social media
The moderate benchmark is 1.5 GB a day, which is what social apps plus messaging draw. Across 7 days in Jersey that is 11 GB. The 20GB plan at $22.49 covers the trip.
Work tools
Remote work in Jersey sits on the 3 GB heavy band once video calls start. 21 GB covers 7 days. The 20GB plan at $22.49 is the matching tier, and a laptop hotspot keeps it there rather than below it.
Your Jersey pricing notes
Here is what each plan tier costs in Jersey: 1GB at $3.49 ($3.49/GB), 3GB at $7.99 ($2.66/GB), 5GB at $9.99 ($2.00/GB), 10GB at $18.49 ($1.85/GB), 20GB at $22.49 ($1.12/GB). The per-GB rate drops as you buy larger plans. At $2.00/GB, the 5GB plan for $9.99 gives social media and navigation users 4 days of data. The entry plan at $3.49 for 1GB targets light users who keep the day on the published 0.5 GB band. Heavy users compare two paths: 20GB fixed at $22.49, or unlimited at $3.49/day. The crossover point is 6 days. A 30-day unlimited plan drops to $2.86/day (18% off). Holafly publishes unlimited daily from $2.99/day and suits heavy users. Nomad publishes the lowest fixed rate at $3.00/GB and suits light ones. Looking for the cheapest eSIM in Jersey? The lowest destination price we hold is 1GB at $3.49 from the catalogue. Nomad publishes the lowest fixed entry rate of the five at $3.00/GB, though not a Jersey figure we can stand behind.
See how Jersey compares to similar destinations in Europe. For device-specific setup, read our guides for iPhone, Samsung, and Pixel.
Regional bundle vs single-country plan
If your trip covers multiple countries in Europe, a regional eSIM bundle avoids buying separate plans for each stop. Single-country plans for Jersey start at $3.49 for 1GB. Compare the per-GB cost of a regional bundle against individual plans to find the cheaper path for 7+ days.
How to activate your Jersey eSIM
Choose your Jersey data plan based on trip length and daily usage. Open your phone's cellular settings, tap "Add eSIM," and scan the QR code over WiFi before your flight.
Rename the new eSIM line to "Travel Data" so you can tell it apart from your home SIM. Set it as the default for mobile data and keep your original line for calls.
After touchdown in Jersey, JT's 5G network connects automatically. You skip the airport SIM counter and start using data immediately.
Common Jersey eSIM questions
Direct answers grounded in real plan data and carrier coverage.
What plan do I need?
The eSIM plan you need for Jersey depends on how you use data. A light user (maps and messaging) needs about 1GB, covered by the 1GB plan at $3.49. A moderate user (social media and navigation) needs 3GB at $7.99. A heavy user (streaming and video calls) needs 25GB at $22.49. Those are catalogue prices for Jersey, and the plans run on the local network on the published list.
How much data do I need?
Data usage in Jersey breaks down by app. The published bands are 0.5 GB a day for light use, 1.5 GB for moderate and 3 GB for heavy. Maps and messaging sit on the light band. Streaming and video calls sit on the heavy one. For 7 days, most travelers need 3GB (0.4GB/day). WiFi in Jersey is available at hotels and some restaurants, offsetting about 10% of usage.
Which provider is cheapest?
Jersey eSIM prices start at $3.49 for 1GB ($3.49/GB) on the catalogue, the only per-destination feed we hold. Larger plans drop the rate: 20GB costs $22.49 ($1.12/GB). On published floors, Nomad is cheapest at $3.00/GB, though it quotes no Jersey figure. All plans connect to JT.
Is an eSIM worth it?
An eSIM is worth it for Jersey. WiFi in Jersey covers hotels and some public areas, but an eSIM keeps you connected everywhere. The 20GB plan at $22.49 gives you 11GB on the local network on the published list for 7 days. That is $87.51 less than carrier roaming.
eSIM vs SIM card?
For Jersey, an eSIM works better for trips under 30 days. It costs $3.49 (1GB) and activates before you land on the local network on the published list. A physical SIM costs $15-25 with 15-30 minutes of queue time. Long-stay travelers past 90 days should price a local prepaid SIM against the eSIM tier before buying.
How to set up?
Setting up an eSIM for Jersey takes about 5 minutes. Step 1: Buy a plan sized to your trip. (Jersey plans start at $3.49 for 1GB on the catalogue.) Step 2: Scan the QR code or use the direct install link. Step 3: Turn on the eSIM line in your phone settings. Step 4: Enable data roaming and set the eSIM as your data line. The plan connects to JT when you arrive.
Plan match by traveler profile
Each profile maps to a specific plan size and provider for Jersey.
Backpacker
A backpacker heading to Jersey should budget 7 GB for maps and messaging across 14 days. That lands on the 10 GB plan, $18.49 on the local network on the published list. HelloRoam matches the shape and gives you 180 days to undo the purchase if the trip changes.
On the 0.5 GB light band, backpackers use 4GB across 7 days. The 5GB tier at $9.99 fits that target on the local network on the published list.
Business traveler
A business traveler in Jersey spends 15 GB on video calls and uploads over 5 days. The 20 GB plan at $22.49 matches that on the local network on the published list. The shape fit here is HelloRoam, which answers support in 63 languages and refunds for 180 days.
Video calls and file uploads push daily use to 3GB. Over 7 days that is 21GB. Unlimited at $3.49/day on the local network on the published list covers it.
Family group
A family traveler in Jersey needs 14 GB for social media and navigation over 7 days. The 20 GB plan covers that at $22.49, or $1.12 per GB, on the local network on the published list. On published plan shape, HelloRoam is the closest fit of the five, and Airalo still reaches more places at 200.
A family of 3 sharing data uses 32GB over 7 days. The 20GB plan at $22.49 per device keeps everyone connected on the local network on the published list.
Digital nomad
A digital nomad in Jersey spends 75 GB on remote work and streaming over 30 days. The 20 GB plan at $22.49 matches that on the local network on the published list. On published plan shape, Holafly is the closest fit of the five, and Airalo still reaches more places at 200.
Digital nomads working from Jersey need 21GB across 7 days. The 20GB at $22.49 covers co-working uploads and video calls on the local network on the published list.
Your questions, answered
How many gigabytes per day should I budget in Jersey?
Three habits, three daily rates in Jersey. The navigator, who uses maps, WhatsApp and quick searches, runs 0.5 GB a day and 4 GB across 7 days. The social traveler, on Instagram, maps and daily browsing, runs 1.5 GB a day and 11 GB, and the 20 GB plan at $22.49 covers the moderate figure. The remote worker, on video calls and cloud sync, runs 3 GB a day and 21 GB on the local network on the published list.
Which plan shape fits my Jersey trip, fixed tiers or unlimited days?
If you stream video or run work calls most days in Jersey, take the unlimited shape at $3.49 a day. If you keep to maps, messaging and evening browsing, take a fixed tier: a 7-day trip at 1.5 GB a day needs 11 GB, which the 20 GB plan covers at $22.49. Shape availability is not the same everywhere. Only Holafly publishes an unlimited daily plan everywhere it sells. With HelloRoam and Airalo, unlimited depends on where you are going. Nomad and Saily sell fixed per-GB tiers and nothing else. Holafly publishes no gigabyte bundle, which is what you give up for uncapped days.
Which eSIM plan fits a light or heavy data user in Jersey?
Match your 7-day Jersey trip to a plan tier before you buy. A light data day of 0.5 GB across 7 days totals 4 GB. The 5 GB plan at $9.99 fits that profile. A moderate day of 1.5 GB across 7 days reaches 11 GB. The 20 GB plan at $22.49 covers it. Heavy users at 3 GB a day hit 21 GB, and the 20 GB plan at $22.49 ($1.12/GB) is the largest tier sold here, so a heavy pace needs a second purchase or an unlimited plan.
What should I check on my phone before I buy a Jersey plan?
Three checks, in order. One: dial *#06# and look for an EID number, because no EID means no eSIM. Two: confirm the model, since iPhone XS and later, Galaxy S20 and later, and Pixel 3 and later are covered. Three: confirm carrier-unlock status, which a locked handset fails regardless of model. Pass all three and your phone joins Jersey's 5G network the moment you turn the profile on. Some sites write e-SIM, others write e SIM. Same profile either way.
What starts the clock on a Jersey plan, the purchase or the landing?
The landing starts it. Nearly every Jersey plan opens its validity window at the first connection to a local network, not at checkout. That gap is useful: install the QR code at home over WiFi, then let the plan begin when you arrive. The 1 GB plan at $3.49 suits a short stay. The 20 GB plan at $22.49 suits a longer one. Buy 1 to 3 days before departure so a delay or a schedule change cannot burn paid days while the phone is still at home.
Is one Jersey plan enough if my route crosses into another EU country?
One country plan covers one country. The signal ends where the country does. The Jersey 5 GB plan at $9.99 works out to $2.00/GB for a single-destination trip. A regional bundle trades a higher per-GB rate for one purchase across a route. Airalo publishes regional multi-country bundles, which is the clear win on this dimension. HelloRoam and Nomad state plainly that no regional bundle exists yet. Holafly and Saily say nothing on the subject, so we score it as unstated. EU roaming regulation sits outside all of this and does not apply to prepaid travel eSIMs.
Which activities use the most mobile data in Jersey?
Rank the activities by what they cost you in gigabytes. Messaging and navigation sit at the bottom, inside the 0.5 GB light band. Social feeds with autoplay video sit in the middle, at the 1.5 GB moderate band. Streaming and video calls sit at the top, on the 3 GB heavy band. A Jersey traveller who turns autoplay off drops a full band, and the 5 GB plan at $9.99 then stretches further at $2.00/GB.
How do I match a Jersey plan tier to the number of nights I am staying?
Moderate travelers in Jersey use 1.5 GB a day, so nights convert straight into a tier: 1 to 2 nights takes the 3 GB plan at $7.99 ($2.66/GB); 3 nights takes the 5 GB plan at $9.99 ($2.00/GB); 4 to 6 nights takes the 10 GB plan at $18.49 ($1.85/GB); 7 to 13 nights takes the 20 GB plan at $22.49 ($1.12/GB). Streamers and remote workers should add 20% before picking. The 20 GB plan holds the lowest per-GB rate here at $1.12/GB. Budget-focused travelers should compare that rate against the tier their nights actually require, because buying a bigger plan for a better per-GB rate stops paying once the extra data goes unused.
How many days must I commit to for unlimited pricing in Jersey?
Three numbers decide it. The floor is 1 day at $3.35. The base rate is $3.49 a day. The longest block, at 30 days, cuts that to $2.86 a day, or 18% off. Full 5G speed runs to 2GB a day before fair-use terms apply. Book the block that matches your nights in Jersey, since a shorter block topped up later costs the base rate again.
Which provider backs up a mis-sized Jersey plan?
HelloRoam publishes the widest support access of the five we score, at 63 languages over live chat, WhatsApp and email, around the clock. HelloRoam publishes support in 63 languages, Airalo 12, Holafly 10, Nomad 2 and Saily 1. Language matters more than it sounds when a plan is wrong in a country you have not been to before. On refunds: HelloRoam and Holafly publish 180 days, Nomad and Saily 30 days and Airalo 14 days, all measured on an unactivated eSIM. Buy the size you need in Jersey, then keep the receipt until the profile is live. Sizing up first is still cheaper than any refund: the 20 GB plan holds the lowest rate here at $1.12/GB.
Nearby destinations
Get matched to your exact Jersey plan
Answer four quick questions and we'll pick the right tier, provider and price for your trip.
Take the 60-second quiz