eSIM in Réunion: which plan to choose in 2026?

The best eSIM for Réunion, compared for you: price, data, coverage and activation.

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See the plans Updated in août 2026 • 24 plans available

Compare eSIM plans for Réunion: data, duration, prices and operators. Find the best offer and activate it now.

What are the best eSIM plans in Réunion?

Each provider's best plan for this country, with the real price.

Provider	Data	Duration	Price	Price/GB
Saily ★ 4.7 · Review	20 GB	30 days	$37.10	$1.86	View →
Holafly ★ 4.6 · Review	Unlimited	5 days	$19.05	—	View →
YesSim ★ 4.3 · Review	10 GB	30 days	$28.08	$2.81	View →
Airalo ★ 3.9 · Review	Unlimited	10 days	$35.10	—	View →

Cheap eSIMs in Réunion

A comparison of the cheapest plans, all providers combined.

Provider	Data	Duration	Price	Price/GB
Saily	1 GB	7 days	$4.01	$4.01
Airalo	1 GB	7 days	$4.51	$4.51
YesSim	1 GB	7 days	$6.02	$6.02
Airalo	2 GB	15 days	$8.02	$4.01
Saily	3 GB	15 days	$9.03	$3.01
Airalo	3 GB	30 days	$10.53	$3.51

Guide expert

Finding the best Réunion eSIM plan is not just about choosing the largest amount of data at the lowest price. Between the cirques, mountain roads, western beaches, and a possible detour to Mauritius or Mayotte, your network needs to match your actual itinerary. This guide helps you buy, install, and use a travel eSIM without any unpleasant surprises.

How does an eSIM work in Réunion, and is my phone compatible?

An eSIM is a digital SIM card built into your phone that downloads a mobile profile instead of requiring a small plastic card. After your purchase, you will usually receive a QR code, sometimes an installation link or direct activation in the provider’s app. Within minutes, your device adds a new mobile line for data in Réunion, without removing your French or Belgian SIM.

The main difference from a physical SIM is convenience: no shop to find in Saint-Denis, no SIM tray to open, and no card to misplace between flights. A travel eSIM connects to one or more local partner networks and gives you Internet access over 4G or 5G, depending on the plan, phone, and area. It is generally prepaid: you choose a data allowance and validity period, with no subscription or cancellation required.

You can purchase and install your eSIM before departure, while comfortably connected to your home Wi-Fi. This is actually the most stress-free option: keep the QR code, install the profile, and then simply leave the line disabled until you arrive if validity starts with the first connection to the local network. However, check the provider’s rules: with some providers, the period starts as soon as the eSIM is installed or purchased, rather than when you land.

The iPhone XR, XS, and later models support eSIM; on recent versions, you can often manage several saved profiles.
With Samsung, the Galaxy S, Z Fold, Z Flip ranges and many recent Galaxy A models are compatible, but availability may vary depending on the country of purchase and exact model.
The Google Pixel 3 and later generally support eSIM, with a few exceptions depending on the versions sold by certain operators.
Other compatible models are available from Xiaomi, Motorola, Oppo, Huawei, and Sony: never rely on the brand name alone; check the exact model.
Your phone must be unlocked. A phone locked to an operator will not be able to use a third-party eSIM profile freely.
To check compatibility, look for “Add eSIM” in your network settings or dial **\*#06#**: the presence of an EID number is a good indicator, although it does not replace official model verification.

Which eSIM offers the best 4G or 5G coverage in Réunion?

The best eSIM for Réunion is the one that uses a high-performing partner network along your route, not necessarily the one promising the most data. Local networks notably include Orange Réunion, SFR Réunion, Only, and Zeop Mobile. Travel eSIM providers do not always clearly state which partner is used: look for this information before paying, especially if you plan to do a lot of hiking or remote work.

In urban areas such as Saint-Denis, Saint-Pierre, Saint-Paul, Le Port, and Saint-André, 4G is usually reliable, and 5G may be available depending on the network and neighborhood. For everyday uses—GPS, social media, bookings, and occasional video calls—good 4G is more than enough. Under favorable conditions, speeds of a few dozen Mbps are already sufficient for watching videos, uploading photos, and using a computer with tethering.

Réunion’s topography quickly changes the situation. Coverage generally remains adequate along the coast, Route des Tamarins, and popular tourist areas, but cliffs, ravines, and high plateaus create radio shadows. In the cirques of Mafate, Cilaos, and Salazie, on certain sections of the volcano, or in remote mountain areas, the signal may become weak, intermittent, or unavailable. This is not an eSIM-specific flaw: a local SIM faces the same physical limitations.

Do not confuse the 5G logo with a guarantee of consistently high speeds. The network may switch to 4G, 3G, or sometimes become unavailable depending on the weather, congestion, the inside of a guesthouse, and your position in a valley. For an active trip, choose a provider that allows several networks or a plan whose local partner is clearly identified, then download essential maps and documents before leaving populated areas.

Major cities and developed coastlineGenerally smooth 4G, with 5G available in some areas of Saint-Denis, Saint-Paul, Le Port, Saint-Pierre, and around shopping areas.

Coastal roads and tourist sitesCoverage is often adequate along Route des Tamarins, toward the West, the Wild South, and the main towns, with local variations.

Inhabited cirques and mountain roadsVariable signal in Cilaos, Salazie, and the highlands; buildings, slopes, and ravines can significantly reduce reception.

Mafate, isolated trails, and volcanic areasPartial or unavailable network depending on the route; do not rely on mobile data for navigation or safety.

Before purchasing, check the coverage maps published by local operators and look for the partner network announced by the eSIM.
Upon arrival, leave network selection set to automatic; only choose an operator manually if the connection is unstable.
For a hike in Mafate or around Piton de la Fournaise, download offline maps and notify your loved ones: the network is no substitute for preparation.
If you work online, test the connection as soon as you settle in and keep your accommodation Wi-Fi as a backup.
In very busy areas, slow speeds may be caused by congestion; try 4G instead of 5G, or vice versa, before assuming there is an outage.

Should you choose a local Réunion eSIM or a regional Indian Ocean plan?

For a stay limited to the island, a local Réunion eSIM is often the simplest choice: it focuses its data allowance on one territory and may offer a better cost per gigabyte. It is perfectly suited to a week on the beach in Saint-Gilles, a complete ten-day tour, or a stay with friends or relatives. However, check that “Réunion” is explicitly included in the coverage list: this French overseas department is not always included in plans described as Europe or France.

A regional plan becomes more practical if you are combining Réunion with Mauritius, Rodrigues, Mayotte, Madagascar, the Seychelles, or South Africa. This is particularly useful during a stopover, cruise, or multi-island trip: you avoid buying and reconfiguring an eSIM at every border. In return, the price per gigabyte is often higher, and network partners may differ from one country to another.

Check the country list line by line rather than relying on the plan’s commercial name. An “Africa” plan may include South Africa but exclude Mauritius, or cover Madagascar without Mayotte. If you are spending only a few hours in Mauritius, a small additional local eSIM may cost less than a large regional plan. Conversely, a two-week trip between Saint-Denis, Port Louis, and Antananarivo calls for a multi-country allowance with top-up options.

Staying only in Réunion: choose a local plan, which is easier to size appropriately.
Traveling to Réunion plus Mauritius or Mayotte: check an Indian Ocean or regional offer, territory by territory.
Air stopovers: check whether the transit country is covered before activating data at the airport.
Communications at sea are not included: on a ferry or boat, disable data to avoid a very expensive maritime connection.

What do traveler reviews reveal about eSIMs in Réunion?

Traveler feedback is generally positive when the eSIM is installed before the flight and connected to the right network upon arrival. Users appreciate the simplicity: no queue at a shop, Internet access for ordering a ride-hailing vehicle, notifying their accommodation, or starting a route from Roland-Garros Airport. They also like keeping their usual SIM, particularly to receive bank verification codes or important SMS messages.

The most frequent complaints concern configuration details rather than the technology itself: the eSIM line is selected for data but data roaming has been forgotten, the QR code is deleted too soon, or activation is started before the trip even though the plan begins counting down immediately. Some travelers also expect perfect coverage in the cirques; however, the limitations created by Réunion’s terrain are real, regardless of the brand sold.

Customer service and transparency matter greatly. Positive reviews mention clear guidance, visible usage tracking, and fast top-ups. More critical reviews target plans that advertise “unlimited data” with reduced speeds after a threshold, those that hide the partner network, or support teams that are difficult to reach when Internet access does not start. Read the conditions regarding validity, hotspot use, and the refund policy before purchasing.

Recurring positive point: connectivity is available immediately upon arrival when the profile was prepared beforehand.
Recurring positive point: the Dual SIM function lets you keep your personal number active.
Important: coverage in the highlands and on isolated trails cannot be equated with coverage along the coast.
Important: effective support often depends on screenshots, the network name, and settings that have already been checked.

How do you buy, install, and activate an eSIM for Réunion?

Installation is quick if you prepare it over Wi-Fi before leaving. Do not delete the profile or the email containing the QR code until the end of your trip: a QR code can often be used only once.

1
Check compatibility
Confirm that your phone supports an eSIM and is unlocked before purchasing. Also check that you have an available eSIM slot: some devices can store several profiles but activate only two at the same time. Install system updates before departure, as an older or outdated phone can make adding the profile more complicated.
2
Buy and receive the QR code before departure
Choose Réunion or a regional plan that precisely covers your itinerary, then check the data allowance, validity period, and tethering rules. You will generally receive a QR code, a manual activation code, and any required APN settings. Save them somewhere accessible offline, such as secure files or printed documents, but do not share them with anyone.
3
Install the profile on iPhone or Android
On iPhone, open Settings > Cellular > Add eSIM, then select “Use QR Code”. On Android, the path varies slightly: try Settings > Connections > SIM Manager > Add eSIM on Samsung, or Settings > Network & Internet > SIMs > Add SIM on Pixel. Scan the code while connected to Wi-Fi and give the line an obvious name, such as “Réunion Data”.
4
Activate upon arrival and configure the APN
Upon arrival, activate the eSIM line, select it as your mobile data line, and enable “Data Roaming” for this line only: travel eSIMs very often require it. Keep your primary SIM selected for calls if you wish, but disable its data roaming. The APN normally configures automatically; if the seller provides one, enter it exactly as supplied in the mobile network settings.
5
Troubleshoot if Internet access does not start
Start by switching mobile data off and back on, enable Airplane Mode for around thirty seconds, and restart the phone. Check that the eSIM is active, selected for data, and allowed to roam; then check the APN and automatic network selection. If the problem persists, contact support over Wi-Fi with screenshots of your settings, the message displayed, and your location.

Can I keep my number, make calls, and use a hotspot with an eSIM in Réunion?

Yes, you can generally keep your usual number: a travel eSIM is usually data-only, while your physical SIM or primary eSIM continues to handle calls and SMS. On a Dual SIM phone, set the Réunion eSIM for data and your usual line for voice calls. Be aware that receiving SMS is often free, but incoming and outgoing calls or voicemail may incur roaming charges depending on your original plan.

WhatsApp, Signal, Telegram, FaceTime Audio, Messenger, and other Internet services work with your data eSIM without changing your account number. Your contacts do not need to do anything: WhatsApp remains linked to your French, Swiss, Belgian, or Canadian number as long as you do not change the number in the app. To call a local restaurant or taxi, you can use a VoIP app, request a WhatsApp number, or use your primary line while keeping possible charges in mind.

Tethering is usually possible: enable “Personal Hotspot” or “Mobile Hotspot” to connect a computer, tablet, or travel companion’s phone. However, this feature depends on the provider and may be restricted on so-called unlimited plans. A computer uses data very quickly: an HD video conference, cloud backup, or system update can consume several gigabytes. Disable automatic updates and choose a strong hotspot password.

If your allowance runs out, purchase a top-up through the provider’s app or website, preferably before the plan fully expires so you can stay connected. A top-up does not always extend the validity period: it may create a second plan with its own expiration date. If no top-up is available, purchase a new plan compatible with the same eSIM profile, or install a new profile if required by the provider. Also monitor usage in your phone’s settings, which may update more quickly than the provider’s counter.

Disable cellular data on your primary SIM to prevent an unexpected roaming bill.
Keep your primary SIM active only if you need bank SMS messages or calls; otherwise, you can temporarily disable it.
Set a usage alert at around 75% and 90% of your allowance in your phone’s settings.
Before sharing your connection, disable photo backups, cloud synchronization, and updates on the connected computer.
For two phones, normally purchase two separate eSIMs: a travel eSIM profile cannot be freely transferred from one device to another.

What guidelines should you follow to choose the best Réunion eSIM plan and avoid mistakes?

The right data allowance depends on your trip length and habits: plan for around 1 to 3 GB for a few days with GPS and messaging, 5 to 10 GB for one to two weeks of normal use, and more if you share your connection, upload lots of videos, or work remotely.

Compare the price per gigabyte, but also the validity period. A very generous seven-day plan is poor value if you are staying for two weeks; an oversized thirty-day plan is not cost-effective for a weekend.
Read the definition of “unlimited”. It often means a full-speed allowance followed by reduced speeds, sometimes too slow for video, video calls, or comfortable browsing.
Choose an announced network or an eSIM with multiple partners if your itinerary includes the highlands, cirques, or the Wild South. A promise of nationwide coverage does not guarantee a signal in every ravine.
Install the profile before your flight, but do not activate the line too early if validity begins upon activation. Keep a copy of the QR code and APN settings until you return.
Check the top-up policy before choosing a small plan. Easy top-ups let you start with a cautious allowance; very expensive top-ups may make a larger initial plan preferable.
Check whether hotspot use is allowed, especially if you work remotely. Tethering restrictions or speed limitations can completely change a plan’s real value.
Download Google Maps for offline use, your bookings, hiking maps, and useful schedules. In Réunion, this protects your data and remains valuable when the terrain blocks the network.
Protect your primary line: clearly set the eSIM as the data line, disable automatic data switching, and turn off roaming on your usual SIM. This is the best defense against out-of-plan charges.
Do not rely solely on the advertised price: check possible taxes, the payment currency, the refund window, and support channels. A provider reachable by chat or email may be worth a few extra euros if something goes wrong.

Questions fréquentes

Will my eSIM work as soon as I arrive at Roland-Garros Airport?

Yes, in most cases, provided the profile is already installed, the eSIM line is activated for data, and data roaming is enabled. Wait a few minutes after landing for registration on the local network; Airplane Mode followed by a restart may help.

When exactly does my eSIM plan validity begin?

It depends on the provider: validity often begins with the first connection to a network in Réunion, but sometimes starts upon installation or purchase. Read this rule before scanning the QR code, especially if you are preparing your phone several days before departure.

Can I call emergency services with a data-only travel eSIM?

Do not rely on a data-only eSIM for traditional emergency calls. In France, dial 112 for European emergencies, or 15, 17, or 18 depending on the situation, from a line capable of making calls; keep your primary SIM, a charged phone, and your accommodation’s contact details.

What should I do if the QR code no longer installs or I have changed phones?

Do not try to scan the code endlessly: many QR codes are for one-time use. Contact the provider with your order number before deleting the old profile; transferring it to another phone is rarely automatic and may require a new eSIM.

Can I get a refund if the eSIM does not work?

This depends on the seller’s terms and whether the plan has been activated or used. A refund is more likely if you quickly report a documented technical issue, including screenshots and troubleshooting steps; an eSIM that has already been used is often non-refundable.

Is a VPN useful with my eSIM in Réunion?

A VPN is not necessary for the eSIM to work, but it can secure your connections on public hotel or café Wi-Fi. It may also slightly reduce speeds and use more battery, so test it before professional use or a video conference.