Reunion · roaming cost calculator
Roaming Price Audit: What 10 Days of Data Cost in Reunion
HelloRoam is the top pick for Reunion: its 7-day unlimited plan costs $19.90, at full speed for the first 2 GB a day, against $84 for a week on AT&T's $12-a-day pass, a $64 gap, and Holafly ranks second on this site's rubric. HelloRoam takes checkout through Stripe, with Apple Pay and Google Pay, in 31+ currencies. Airalo covers 200+ destinations to HelloRoam's 185. HelloRoam's price is from its catalogue of 29 Oct 2026, rivals' from the 30 Oct 2026 price check; AT&T's rate was checked June 2026.
a 10GB travel eSIM at $18.43 and a $12 day pass are both dollar prices. HelloRoam settles in 31 currencies, so a non-dollar card can skip the 2 to 4 percent conversion on the eSIM side.
eSIM plans, price and coverage data, Reunion
HelloRoam's Reunion eSIM uses local 5G towers. Seven days of unlimited data cost $19.90, against the $84 AT&T bills for seven International Day Pass days at $12 each.
Get eSIMIn Reunion, Holafly runs on a local network with unlimited data. Heavy users streaming video save against paying by the gigabyte elsewhere.
Get eSIMOrange RE covers cities, transport hubs, and major tourist areas in Reunion. Nomad sells into that market at $2.30/GB — remote rural coverage depends on local network infrastructure, not Nomad's.
Get eSIMAiralo sells 5G access in Reunion from $2.40/GB. Airmoney cashback returns 5-10% of your spend to use on the next trip.
Get eSIMReunion travelers on Saily get 5G data plus NordVPN-grade security at $2.60/GB. Support is email-only, with no live chat; a 30-day refund covers unused plans.
Get eSIMCompare providers: Airalo vs Holafly · Airalo vs Saily · Airalo vs Nomad · Airalo vs HelloRoam · Holafly vs Saily · Holafly vs Nomad · Holafly vs HelloRoam · Saily vs Nomad · Saily vs HelloRoam · Nomad vs HelloRoam
The full picture
Published carrier rates on travel data, Reunion
Every major carrier's published Reunion rate, side by side, with the eSIM winner highlighted.
| Carrier | Plan type | Daily | 7-day | Speed | Data limit |
|---|---|---|---|---|---|
| Vodafone | Roaming Passport | £6.85source | £47.95 | LTE | Fair-use |
| EE | EU Daily Charge | £2.72source | £16.50 | LTE | Fair-use |
| AT&T | International Day Pass | $12.00source | $84.00 | LTE | Plan data |
| Verizon | TravelPass | $12.00source | $84.00 | LTE | Plan data |
| eSIM · HelloRoam | 10GB data plan | — | $18.43 | 5G | 10GB |
Compare all carrier roaming plans to see how AT&T, Verizon, T-Mobile, Vodafone, and EE stack up against eSIM providers.
Pay-per-use cost audit
Reunion data charges on AT&T pay-per-use: real dollar amounts
One day in Reunion without an international plan: typical phone use runs roughly 450 MB. At AT&T's $2.05/MB pay-per-use rate, that day costs $922. Breakdown: 1 hour of navigation ($102), 30 minutes of Zoom ($922), uploading 20 photos ($410), light social media. One day with a Reunion eSIM on a local network: roughly $0.52 when you spread the plan cost across your trip. AT&T's International Day Pass is $12/day and avoids pay-per-use entirely — but even that costs more than most eSIM plans cover for the same period. Source: AT&T rate card, June 2026.
Personalize your savings
Your Reunion saving against $12 a day
Adjust the trip length, the carrier and the daily data below and the calculator reprices both sides. The starting point is the 10-day average stay recorded for Reunion: $120 on an AT&T day pass at $12 a day, against $18.43 for a 10GB travel eSIM. Both prices buy access to the same local operators.
Network coverage
Reunion cellular coverage by operator
Orange runs all cellular service in Reunion. Verizon TravelPass routes you through Orange at $12/day. A travel eSIM routes through a local network at $1.83/GB. Same signal, same speed, same carrier towers. Different price tag. Reunion has 5G through Orange. There is no 5G-premium tier in carrier roaming or eSIM plans. AT&T's $12/day covers 5G. An eSIM at $1.83/GB covers 5G. You do not pay more for faster service under either model.
Network attachment record
The networks behind both prices in Reunion
HelloRoam publishes one local operator for Reunion: Orange.
One operator means no fallback network.
Where Orange has no signal, an eSIM has nowhere else to attach.
HelloRoam records a 5G label against Orange.
Carrier roaming meets the same ceiling, because roaming rents local networks.
Price is what separates the two options in Reunion. This page prices both.
5G and 4G here are capability labels. Neither one is a speed reading.
The operator file behind this page covers 185 destinations and 154 operators, 98 of those destinations carrying a 5G label. Reunion is one of 117 single-operator destinations in that file: Orange. Carrier roaming reaches the same radios, so the gap between the two prices is a billing gap.
| Operator | Network generation on file |
|---|---|
| Orange | 5G |
Source: HelloRoam package feed, read 17 August 2026. The feed publishes an operator list for every destination it sells. No speed test sits behind this table, and we ran none. The full operator map covers 185 destinations.
Pricing breakdown
Roaming fees vs eSIM rates in Reunion
Carrier roaming costs for 14 days in Reunion, ranked: T-Mobile high-speed add-on $75, Verizon TravelPass $168, AT&T International Day Pass $120, eSIM 10GB on a local network $18.30. The eSIM option costs 85% less than AT&T, which bills $12 a day.
The eSIM daily rate works out to $1.31 when spread across 14 days. AT&T charges $12/day, which is 9.2x that figure. T-Mobile's high-speed pass is $10/day. All three connect to the same local towers in Reunion.
Per-GB rates for Reunion eSIM plans: 1GB at $3.67 ($3.67/GB), 3GB at $5.48 ($1.83/GB), 5GB at $11.32 ($2.26/GB), 10GB at $18.43 ($1.84/GB). Larger plans cost less per gigabyte, so buying up one tier saves money if you are close to the limit. Unlimited daily plans remove the per-GB calculation entirely at $2.58/day for 14 days.
Unlimited data for Reunion starts at $3.23 for 1 day and runs to $65.89 for 30, priced 1 day at $3.23, 3 days at $9.21, 7 days at $19.90, 14 days at $36.18, 30 days at $65.89. Unlimited here means 2GB a day at full speed before a fair-use policy applies. Catalogue prices read 29 Oct 2026.
Trip cost breakdown
Carrier roaming vs eSIM cost in Reunion by trip length
Three days in Reunion costs $36 on AT&T at $12/day. A 2GB eSIM on a local network covers the same period for $5.48. Difference: $30.52.
Fourteen days costs $120 on AT&T, because it bills at most 10 daily fees per line each bill cycle. A 15GB eSIM on a local network covers 15GB of photos and video calls for $27.58. Difference: $92.42 (77%).
Thirty days on AT&T costs $120. A 50GB eSIM on a local network covers 50GB for $91.63. Difference: $28.37 over the month. AT&T rate: $12/day regardless of data consumed, at most 10 daily fees per line each bill cycle. Rates checked June 2026.
Airport options
SIM card at the airport vs eSIM
Hotel WiFi in Reunion covers basic email but rarely handles navigation or ride-hailing apps at the same time. If you skip the airport SIM counter planning to use hotel WiFi, you may land without data for the taxi from arrivals. A 1GB eSIM at $3.67 is active before you board — maps, ride apps, and messaging all work from the arrivals hall onward.
Data planning
GB requirements for 7 days in Reunion
Most Reunion travelers burn through 1.5 GB daily: maps, ride-hailing, and restaurant searches add up quickly. Budget 11GB for 7 days.
The 1GB plan covers your 7-day trip for $3.67. AT&T's roaming cost for the same 7 days is $84. The difference is $80.33, enough for two dinners in Reunion. For heavy data users, a 1-day unlimited plan costs $3.23, still under AT&T's $12/day pass.
Connectivity
Free WiFi spots and cellular data in Reunion
Hotel WiFi in Reunion is unreliable outside of major chains. Many guesthouses and small hotels offer weak or shared connections. An eSIM on a local network provides consistent data access regardless of where you stay.
Plan your data
Data usage guide on travel, Reunion
Buying a local SIM in Reunion means finding a shop, showing your passport, and waiting. AT&T roaming avoids that hassle but charges $120 for 10 days. A 1GB eSIM costs $3.67 and installs before you leave home.
Reunion has one mobile operator: Orange. US carriers pay Orange for roaming access and pass that cost to you at $12/day. An eSIM connects to Orange directly at $1.83/GB — no carrier markup.
Local prices in Reunion are in EUR (€), but eSIM plans are priced in USD, eliminating exchange rate uncertainty on your data costs.
Quick reference
Reunion Travel Essentials
15/17/18/112
15, 17, 18, 112 are the emergency numbers in Reunion. Different numbers may route to different services — save all of them before your trip. Emergency calls work from any mobile device, including travel eSIMs.
Type C/E
Reunion uses Type C outlets (European two round-prong). US plugs require a Type C adapter. Check that your phone and laptop chargers show 100-240V input — most modern chargers are compatible.
RET (UTC+4)
EUR (€)
Cash in EUR is preferred across most of Reunion outside major hotels and tourist centers. Card terminals are not common in local markets or small restaurants. Withdraw enough cash at a reliable ATM before leaving the city — rural areas may not have ATM access.
Good to know
Orange is the only mobile network in Reunion. Your carrier roaming plan and a travel eSIM both connect to the same towers. The signal quality is identical; only the cost differs.
Quick tip
Local prices in Reunion are in EUR (€). eSIM plans are priced in USD, eliminating exchange rate uncertainty.
Step by step
Switch to an eSIM for Reunion in 6 steps
- On Samsung Galaxy S21 or newer: go to Settings > Connections > SIM manager to verify eSIM support — Pixel 3a and later also qualifies — Orange RE covers 5G in Reunion
- First-time buyer: HelloRoam offers Reunion data at $3.67 for 1GB — create an account, add a payment method, and your QR code arrives in under 60 seconds. Compare eSIM providers to see your options.
- First-time eSIM install: your phone walks you through the QR scan step by step — the profile downloads in 10-30 seconds over a WiFi connection before you leave home so it is ready to activate on arrival
- Returning traveler shortcut: set your home carrier SIM to Data Off in the dual-SIM panel rather than navigating through roaming menus. The full data roaming guide covers all shortcuts.
- Enable the eSIM data line when you land in Reunion — it connects to Orange RE automatically
- Leave your home SIM enabled for incoming calls: WiFi Calling routes them over the eSIM data connection at no extra cost
Data tips
Offline strategies and data tips for Reunion
Currency converter apps use under 1 MB per session. Bank apps with push notifications use minimal background data. The higher risk is two-factor authentication: your bank may send a code to your home number, which requires cellular reception or call forwarding. Test your bank's 2FA method before traveling to Reunion.
Regional context
Reunion and Africa cross-border data costs
A few things to know before turning off carrier roaming in Reunion:
French department — EU roaming applies
Nearby
Related destinations
6 destinations near Reunion are priced on the same rate card. AT&T bills $12 a day in every one of them, and the figure beside each flag is that destination's own per-gigabyte floor. The cheapest of the group is Algeria at $1.23 a gigabyte.
Forgot your eSIM?
You forgot to buy an eSIM for Reunion — here is what to do
The fastest emergency option in Reunion: turn on AT&T cellular data long enough to download the Airalo app. The app download is approximately 5 MB. At AT&T's $2.05/MB pay-per-use rate, that download costs $10. Once the app is installed, turn carrier data back off. Connect to the nearest available WiFi, buy a Reunion eSIM plan, and scan the QR code. Your eSIM on a local network then handles all data at $3.67 for 1GB. The $10 carrier charge is a one-time cost, not a daily fee. AT&T's International Day Pass costs $12 for that same day and $12 again for every day after it.
Savings math
How much you save in Reunion
Solo traveler
T-Mobile's Experience plans include 5GB or 15GB of high-speed data abroad, then up to 256Kbps. More high-speed data in Reunion takes International Passes from $10 a day, $50 over 10 days at the cheapest mix (10-day pass). A 15GB eSIM on a local network delivers full 5G for $27.45. The gap: $22.55 (45%). At 256Kbps the included data is usable mainly for text messages.
Family trip
Two travelers on Verizon in Reunion for 10 days: 2 lines x $12/day x 10 = $240. Two 15GB eSIMs: $54.90. Savings: $185.10 for the couple. If only one person needs heavy data, one eSIM with tethering costs $27.45 total and covers both devices through the phone's hotspot feature.
AT&T roaming rate analysis
AT&T International Day Pass billing for Reunion: $12 covers 24 hours from the first time your phone uses a local network. A background sync after that window closes starts the next $12 fee. AT&T bills at most 10 daily fees per line each bill cycle, and $6 for each extra line used the same day. Over 10 days the pass costs $120. A 15GB eSIM at $27.45 uses data-bucket billing, which charges for data bought, not for days used.
All-carrier summary
AT&T: AT&T International Day Pass costs 337% more than an eSIM for Reunion.
Verizon: Verizon TravelPass costs 337% more than an eSIM for Reunion.
T-Mobile: T-Mobile's International Passes cost 82% more than an eSIM for Reunion.
Vodafone: Vodafone bills Reunion in pounds and this site holds no pound-to-dollar rate, so it states no Vodafone-versus-eSIM gap.
EE: EE bills Reunion in pounds and this site holds no pound-to-dollar rate, so it states no EE-versus-eSIM gap. EE rates from its roaming checker, October 2026.
The savings math for Reunion is clear. Solo: $92.55 saved vs AT&T for 10 days. Family of four: $190.20 saved. Annual (2 trips): $185.10 saved. All figures use the same local 5G network. The eSIM costs less at every trip length and every group size.
Quick answers
Common questions about Reunion data costs
Is eSIM cheaper than roaming in Reunion?
Yes, an eSIM is 85% cheaper than carrier roaming in Reunion. AT&T charges $120 for a 10-day trip at $12/day. A travel eSIM on a local 5G network costs $18.43 for 10GB. Both use the same cell towers. The eSIM saves $101.57 on identical infrastructure. Rates checked June 2026.
How much does roaming cost in Reunion?
AT&T charges $12/day in Reunion. A 7-day trip costs $84. A 14-day trip costs $120. A 10-day trip costs $120. An eSIM alternative on a local network starts at $18.43 for the same network. Rates checked June 2026.
Does T-Mobile work in Reunion?
Yes, T-Mobile connects to a local network in Reunion. T-Mobile's Experience More plan includes 5GB of high-speed data abroad and Experience Beyond 15GB, then data runs at up to 256Kbps. Essentials includes texting but no data. The 1 Day International Pass costs $10. A travel eSIM at $18.43 for 10GB provides full 5G speed on the same local towers. Rates checked June 2026.
AT&T fine print for Reunion
$12 covers 24 hours from the first time your phone uses a foreign network, and a single background push notification at 2 AM can start it. AT&T bills at most 10 daily fees per line each bill cycle (terms read 31 Oct 2026).
iCloud Photos, email push, app updates all trigger the daily charge. A phone left in a bag with data roaming on starts a new $12 fee each time a sync lands after the last 24 hours ran out.
Reunion FAQ
Reunion eSIM & roaming questions
Reunion carrier roaming costs $12 a day on AT&T and on Verizon
AT&T charges $12/day on International Day Pass for Reunion. Verizon charges $12/day on TravelPass. T-Mobile's Experience More and Experience Beyond plans include 5GB and 15GB of high-speed data abroad, then at a reduced speed, and Essentials includes texting only. Land without a plan and AT&T bills $2.05/MB, so a single gigabyte costs $2,099. Five travel eSIM providers sell Reunion data against those rates: HelloRoam, Holafly, Nomad, Airalo, and Saily. Fixed plans start at $3.67 for 1GB on a local 5G network. HelloRoam posts the lowest fixed rate in the group, $2.01/GB on the median 5 GB plan across 40 countries, against $2.30 on Nomad. HelloRoam's 7-day unlimited plan has the lowest median of the five at $21.50 across 35 countries, against $27.50 on Holafly. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
T-Mobile's included data in Reunion runs at high speed until the allowance ends
Until the allowance ends. T-Mobile's Experience More plan includes 5GB of high-speed data abroad and Experience Beyond 15GB, then data runs at up to 256Kbps. Essentials includes texting but no data. On the same local towers in Reunion, a travel eSIM runs full 5G from $1.83/GB. The five providers differ on what happens next: HelloRoam and Holafly refund unactivated plans for 180 days, Airalo for 14. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
Reunion roaming bills by the day, not by the gigabyte
A traveler lands in Reunion, checks one notification, and AT&T bills $12 for the next 24 hours. That is per-day billing: any cellular connection, including a background sync, starts the full 24-hour charge. Without a day pass the rate is $2.05/MB, so a 20 MB burst of photo syncing costs $41. An eSIM is a fixed cost at 1GB for $3.67, with no per-day trigger and no per-MB meter. HelloRoam's unlimited plan removes the meter a different way, at a 7-day median of $21.50 against $27.50 on Holafly. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
A week of Reunion data, priced across the five eSIM providers
A week of unlimited data is the like-for-like price. The median 7-day unlimited plan across the 35 countries where all five were priced costs $21.50 on HelloRoam, $25 on Nomad, $26.99 on Saily, $27 on Airalo, $27.50 on Holafly. The plans differ in full-speed data: HelloRoam's plan runs at full speed for 2 GB a day in 33 of those 35 countries, while Airalo's holds 3 GB in most and Holafly states no daily cap. AT&T bills $84 for the same week in Reunion at $12 a day, $62.50 more than the HelloRoam median. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
A travel eSIM replaces carrier roaming for data in Reunion
Yes. A travel eSIM connects to Orange RE in Reunion at $1.83/GB. Your phone runs both SIMs at once — the eSIM handles all data traffic while your home SIM stays active for calls and texts. No roaming plan is required, and your home carrier cannot charge roaming if data roaming is disabled on that SIM. The eSIM activates the moment you land in Reunion and begins using 5G speeds immediately.
US carriers reach Reunion through its local operators
AT&T covers Reunion at $12/day. Verizon covers most African countries at $12/day. T-Mobile includes 5GB or 15GB of high-speed data included on its Experience plans, then up to 256Kbps in Reunion. A travel eSIM on Orange RE provides full 5G speeds at $1.83/GB — the same carrier infrastructure as roaming, at a fraction of the cost.
Reunion mobile data carries the same load for an eSIM and for roaming
Reunion has 1 carrier providing 5G coverage. Urban and tourist areas have solid coverage; rural regions may have gaps. A travel eSIM connects to the same local networks carrier roaming uses, at $1.83/GB. Coverage quality is whatever the local network delivers, and it is the same either way.
A 10-day Reunion trip costs $120 in carrier roaming
AT&T International Day Pass for 10 days at $12/day: $120. Verizon TravelPass at $12/day: $120. T-Mobile's International Pass at $10/day: $50. A travel eSIM on Orange RE at $1.83/GB for 10 days at 1.5 GB/day average costs roughly $27.45. The eSIM saves over 80% versus any carrier's paid roaming option. Rates checked June 2026.
Rural Reunion coverage is an operator limit, not a roaming limit
Both carrier roaming and travel eSIMs connect through local networks in Reunion, and Orange RE is one of them. Coverage outside major cities depends on how widely those networks have deployed, and the same gaps hit an eSIM and AT&T or Verizon roaming alike. Urban centers and tourist corridors have consistent signal; rural and off-road areas may have limited or no service. There is no coverage advantage to choosing carrier roaming over an eSIM.
A week of Reunion carrier roaming costs $84
AT&T: $84/week (International Day Pass at $12/day). Verizon: $84/week (TravelPass). T-Mobile: 5GB or 15GB of high-speed data included on its Experience plans, then up to 256Kbps, or $50 for a week of passes (10-day pass). The cheapest eSIM for Reunion starts at $1.83/GB on a local 5G network — better per-GB value than all three carriers.
Fact check
Debunking carrier roaming claims for Reunion
Roaming charges only apply to data
US carrier international plans charge separately for data, calls, and texts. AT&T's International Day Pass at $12/day includes data but charges $0.25–$1.50/minute for calls beyond the bundled allocation. Incoming voicemail retrieval can trigger per-minute roaming charges even when you make no outgoing calls. A data-only eSIM in Reunion at $3.67 covers data and uses WhatsApp or FaceTime for voice at no additional carrier cost. Rates checked June 2026.
EU roaming is free for Americans
EU roaming-within-the-EU rules apply only to SIM cards issued by EU-based carriers. AT&T and Verizon are US carriers — they charge full international day pass rates in every EU country. AT&T's International Day Pass runs $12/day in EU destinations. Verizon TravelPass is $12/day. A travel eSIM on a local network covers Reunion for $3.67 total. Rates checked June 2026.
You need to unlock your phone to use an eSIM
eSIM installation does not require an unlocked phone in most cases. iPhones sold in the US since iPhone 14 are sold unlocked by law. iPhones XS through 13 require unlocking to add a foreign carrier eSIM, but AT&T, Verizon, and T-Mobile all offer free unlocking after your contract ends. Samsung Galaxy S20 and newer models support eSIM on both locked and unlocked variants. Check your carrier's unlock policy before your trip to Reunion.
Our recommendation
Reunion eSIM or roaming: price difference summary
HelloRoam covers Reunion on a local network and scores 9.9/10 on our rubric, the highest of the 5 providers we price. A 1GB plan costs $3.67. Unactivated plans are refundable for 180 days, and its support replies in your own language. That makes HelloRoam our pick for Reunion. Holafly is the alternative for heavy data users: it states no daily cap, at a 7-day unlimited median of $27.50 on 30 Oct 2026.
Learn more
Travel guides, Reunion
4 guides carry the parts of a Reunion trip this page does not price: installing the profile before departure, switching data roaming off on the home SIM, and what happens to the allowance once a fair-use policy applies. Each one reads the same rate card as this page, where AT&T bills $12 a day.
Your carrier charges $84 for a Reunion week. A 10GB eSIM costs $18.43.
Same networks, same speed. eSIM data costs a fraction of carrier roaming in Reunion.
Get a Reunion eSIM