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This guide is built from pricing, not from a trip. In September 2026 we read the Spain page of every eSIM provider we track and recorded what 13 of them actually charge, which Spanish network each says it uses, and which plans it still sells. We haven't run speed tests on a Barcelona rooftop, and this guide says so rather than dressing up marketing claims as firsthand experience.
What the numbers show is that Spain is one of the cheapest eSIM markets we've priced — and one of the widest spreads. Buy 10 GB on a 30-day plan and you'll pay anywhere from $9.79 to $19.20 — nearly double, for identical data in the same city. The cheapest provider isn't one of the big names, and the best buy for a one-week trip isn't the best buy for a month. Below is what each provider charges, which network it rides, and how to match the plan to your itinerary.
Before you buy: Gibraltar and Andorra aren't Spain
A day trip to the Rock of Gibraltar from the Costa del Sol, or a detour into Andorra from Barcelona or the Pyrenees, takes you outside Spain — and outside a Spain eSIM plan. Gibraltar has its own network; Andorra isn't in the EU. The same goes for the ferry from Tarifa to Morocco. If any of these is on your itinerary, plan for it before you buy. Jump to that section →
Our Top 3 eSIM Picks for Spain
GigSky
GigSky sells the cheapest 30-day 10 GB in Spain: 10 GB for $9.79 over 30 days, or $0.98/GB. It is also the cheapest 20 GB on 30+ days of validity, and it runs on unusually long clocks: 20 GB for $16.99 lasts 90 days, and 50 GB for $33.89 lasts 180. Small plans are cheap too — 1 GB for 7 days is $2.99. Those are list prices; GigSky's Spain page was also advertising a 10–15% promotional discount when we checked.
Best for: Most Spain trips — one or two weeks, a couple of cities, 10 GB of data. Two honest tradeoffs: GigSky doesn't say which Spanish network it uses, and its only unlimited plan is 7 days at $24.49, which Breeze and Maya both undercut. If you want unlimited data, look at pick #2.
View GigSky Spain Plans→Ubigi
Ubigi is the pick once you're buying big. It sells the cheapest month of unlimited data in Spain — 30 days for $44, against $49.99 from Maya, $63 from Airalo, and $64.50 from Holafly — and 15 days for $34. Its fixed plans scale well: 25 GB for $19 ($0.76/GB) and 50 GB for $34 ($0.68/GB). At the everyday size it's close behind GigSky: 10 GB for $12.
Best for: Month-long stays, remote workers, laptop tethering, and anyone who wants unlimited data without paying Holafly prices. The tradeoffs: Ubigi has no plan shorter than 15 days on unlimited or smaller than 3 GB at $5, it doesn't name a Spanish network, and its app is more utilitarian than Airalo's. Ubigi also sells monthly Spain subscriptions; those are for residents, not travelers, and aren't included here.
View Ubigi Spain Plans→Nomad
Nomad is the cheapest provider that tells you which Spanish networks you'll be on — Movistar and Orange, the incumbent and the network travel eSIMs use most. Two networks means a fallback when one has a weak signal, which matters more in the rural interior and the mountains than in central Madrid. Pricing is fair throughout: 10 GB for $14 ($1.40/GB), 20 GB for $21, and 50 GB for $35, with short unlimited plans from 3 days at $11.
Best for: Road trips through Andalusia or Castile, the Camino de Santiago, the Pyrenees — anywhere you'll spend time outside the big cities and want to know what you're connecting to. The tradeoff is price: at 10 GB, Nomad costs $4.21 more than GigSky. In a city-only trip, that buys you nothing you'll notice.
View Nomad Spain Plans→Provider Comparison
How the major providers stack up for Spain. Every price here was read directly off the provider's own Spain page in September 2026:
The same 10 GB from eight providers
Because 10 GB over 30 days is the plan most Spain visitors actually want, it's the cleanest way to see the spread:
Airalo and Nomad tie at $14, and it's worth being clear about the difference: Nomad names two Spanish networks, Airalo names one (Orange). Airalo pulls ahead on plan variety — it also sells 10 GB on 7-day ($13) and 15-day ($13.50) clocks — and on its app, which is the most polished of the group. Breeze deserves a mention too: it's second-cheapest at 10 GB, outright cheapest at 5 GB ($6.99), and its 100 GB for $48.99 ($0.49/GB) is the cheapest gigabyte sold for Spain by anyone.
Holafly doesn't sell fixed-data plans, so it isn't in this table. Unusually, its Spain prices are lower than it charges in Greece, Germany, Ireland, the UK, or Australia — its 30-day unlimited is $64.50 here against $73.90 in Greece, Germany, and the UK. That still leaves it $20.50 more than Ubigi for the same month.
Which plan should you choose?
For a one- or two-week trip, 10 GB is the right size and $9.79 from GigSky is the right price — with more options on our full Spain comparison. Heading into the countryside? Nomad's two named networks are worth the extra few dollars. Staying a month, or want unlimited? Ubigi's $44 month is the cheapest there is. And if Spain is one stop on a wider European trip — Portugal and France are the usual pairings — a regional EU plan will usually beat stacking country plans.
Match the Plan to Your Trip Length
Most Spain eSIM comparisons line providers up on 30-day plans. That's fair for a two-week holiday, but it hides the best deals at either end — because in Spain, the cheapest short plans and the cheapest long plans come from different providers than the cheapest 30-day ones.
A weekend or a week. SimOptions sells short-validity Spain plans far below anyone else's 30-day pricing: 10 GB for 7 days at $5.90, 5 GB for 7 days at $3.50, and 3 GB for 3 days at $2.50. For a city break in Barcelona or Madrid, that's the cheapest way to be connected. Those are SimOptions' current sale prices, shown below a struck-through list price on its Spain page, so check before you buy.
Two weeks. SimOptions again has the cheapest option on a matching clock — 20 GB for 15 days at $11.50 — with GigSky's 10 GB for $9.79 close behind if 10 GB is enough.
A month or longer. GigSky's long-validity plans become the story: 20 GB that lasts 90 days for $16.99 and 50 GB that lasts 180 days for $33.89. If you're a student, a snowbird on the Costa del Sol, or anyone who'll be in and out of Spain for months, nothing else comes close on validity. For heavy use across a single month, Ubigi's $44 unlimited or Breeze's 100 GB for $48.99 are the better buys.
The practical rule
Under a week → SimOptions. One to two weeks → GigSky (or Nomad outside the cities). A month of heavy use → Ubigi unlimited. Months of light use → GigSky's 90- or 180-day plans.
Spain's Networks
Spain has three major network owners and four big mobile brands. Knowing which one your eSIM rides tells you more about the experience than the provider's name does — though in Spain's cities, all of them are good.
Movistar
Telefónica's network and the Spanish incumbent. Named by Nomad and TooSim.
Orange
Now part of MasOrange, formed when Orange Spain merged with MásMóvil in 2024. The network named most often by travel eSIMs — by Airalo, Nomad, aloSIM, and TooSim.
Vodafone Spain
The third major network, owned by Zegona since 2024 and still trading as Vodafone. Of the providers we checked, only TooSim names it.
Yoigo
MásMóvil's former flagship brand, now also under MasOrange. Named only by TooSim.
Nine of the thirteen providers we checked — GigSky, Ubigi, Saily, Holafly, Breeze, Maya, eSIMo, SimOptions, and Yesim — don't name a Spanish carrier anywhere on their Spain pages. That isn't automatically a red flag; it usually means the eSIM roams across whatever the reseller's wholesale agreement covers. In Madrid, Barcelona, Seville, or Valencia, it genuinely doesn't matter — 4G and 5G are dense on every network. It starts to matter in the sparsely populated interior and the mountains, where coverage thins and a named, multi-network eSIM gives you more to fall back on.
TooSim is the only provider naming all four Spanish networks, but in Spain that advantage is smaller than it is in, say, the Greek islands — and TooSim prices Spain high, at $16.99 for 10 GB and $60.99 for 50 GB. Breeze lists 3G/4G/5G where most providers list 4G/5G; treat that as a legacy label rather than a promise of 3G fallback.
How to Set Up Your Spain eSIM
Install before you fly, on your home WiFi. Every provider in this guide lets you install the eSIM ahead of time and activate it on arrival, and doing it at the gate in Madrid or Barcelona on patchy airport WiFi is how activations go wrong.
Buy and install at home
Purchase the plan, then scan the QR code or use the provider's app to add the eSIM to your phone while you're on reliable WiFi. On most providers here, the validity clock starts when the eSIM connects to a Spanish network, not when you install it.
Label the line
Name it something obvious like "Spain" in your phone's cellular settings. You'll be toggling between it and your home line, and the default labels are unhelpful.
Land, then switch over
On arrival, set the Spain eSIM as your cellular data line and turn data roaming ON for that line only — the eSIM is roaming by design. Leave your home line's data roaming OFF so it can still receive calls and texts without racking up charges.
Short-validity plan? Install it last
If you bought a 3- or 7-day plan, don't let it connect before you actually need it. Keep the line switched off until you land, and on a multi-country trip, don't install it until you're about to cross into Spain.
Full walkthrough with screenshots: How to Set Up an eSIM.
Spain-Specific Tips
Gibraltar, Andorra, and Morocco need their own plan
Three popular side trips from Spain leave your Spain eSIM behind. Gibraltar is a British Overseas Territory with its own mobile network. Andorra is outside the EU and is left out of many regional plans as well as all Spain ones. Morocco, an hour by ferry from Tarifa or Algeciras, is a different country on a different continent. Your phone may hold onto a Spanish tower near the Gibraltar border or on the first stretch of the ferry, but don't plan around it — if one of these is on the itinerary, buy a plan that names it.
The islands are covered — no extra plan needed
The Balearics (Mallorca, Ibiza, Menorca) and the Canaries (Tenerife, Gran Canaria, Lanzarote) are part of Spain and run on the same national networks, so your Spain plan works there unchanged. The Canaries sit off the coast of Africa, which catches some travelers out, but for your phone they're simply Spain.
Adding Portugal? Compare a regional plan
Spain and Portugal are the most common two-country pairing on the peninsula, and a Spain plan stops at the border. For an evenly split trip, a Europe or EU regional plan is the simpler buy. For a trip that's mostly Spain with a short hop to Lisbon, two cheap country plans can still come out ahead — Spain's pricing is low enough that stacking isn't the penalty it is in more expensive markets.
Skip unlimited unless you're tethering
A 30-day unlimited plan for Spain costs between $44 and $72.50. The cheapest 50 GB costs $33.89 and the cheapest 100 GB costs $48.99. Unless you're running a laptop off your phone all month, fixed data wins on value.
Check the validity window, not just the price
Spain plans are sold on very different clocks. SimOptions' cheap tiers run 3 to 15 days. Airalo's smallest plans run 3 days. GigSky's 20 GB runs 90 days and its 50 GB runs 180. Most others are 7 or 30. A cheaper headline price on a 3-day window is no bargain if your trip is two weeks long.
Frequently Asked Questions
How much data do I need for a week in Spain?
For a week of city sightseeing — Madrid, Barcelona, Seville — 5 GB is the lean size and 10 GB is the comfortable one. Hotel and café WiFi is widely available in Spanish cities, so most travelers use less than they expect. The cheapest 10 GB with 30 days of validity is GigSky at $9.79, and if your trip is genuinely one week or shorter, SimOptions sells 10 GB for 7 days at $5.90. At those prices, buying 5 GB to save a couple of dollars is rarely worth the risk of running out.
Which Spanish network do travel eSIMs actually use?
Spain's main networks are Movistar (the Telefónica incumbent), Orange and Yoigo (both part of MasOrange since the 2024 Orange–MásMóvil merger), and Vodafone Spain. Of the 13 providers whose Spain pages we read for this guide, only TooSim names all four. Nomad names Movistar and Orange; Airalo and aloSIM name Orange. GigSky, Ubigi, Saily, Holafly, Breeze, Maya, eSIMo, SimOptions, and Yesim don't name a Spanish carrier on their Spain pages at all.
Will a Spain eSIM work in the Canary and Balearic Islands?
Yes. Both island groups are part of Spain and are served by the same national networks as the mainland, so a Spain plan covers Mallorca, Ibiza, Menorca, Tenerife, Gran Canaria, and Lanzarote the same way it covers Madrid. You don't need a separate plan. Coverage on the islands is good in towns and resorts and thins out in the mountainous interiors, the same as on the mainland.
Can I use one eSIM for Spain and Portugal?
Not with a Spain country plan — those work in Spain only. If your trip crosses into Portugal (a very common pairing, especially from Seville or Galicia), buy a regional Europe or EU plan instead, which covers both countries on one eSIM. For a trip that's mostly Spain with a day or two in Lisbon, two cheap country plans can still come out ahead; for anything more evenly split, the regional plan is simpler.
Does a Spain eSIM work in Gibraltar or Andorra?
Not reliably. Gibraltar is a British Overseas Territory with its own mobile network, and Andorra is an independent country outside the EU — neither is part of Spain, and neither is included in a Spain plan. Near the Gibraltar border your phone may hold onto a Spanish tower for a while, but you shouldn't plan around it. If either is on your itinerary, check whether your plan's country list names it explicitly, or buy a separate plan for the day.
Is Holafly cheaper in Spain than elsewhere?
Yes, noticeably. In Greece, Ireland, the UK, Germany, and Australia, Holafly sells its 30-day unlimited plan at the same $73.90 — but Spain is discounted at every tier, with the 30-day plan at $64.50 and one day at $3.90. Holafly is a Spanish company, which is the likely explanation. Even discounted, it's still not the cheapest unlimited option for Spain: Ubigi sells 30 days of unlimited for $44 and Maya for $49.99.
Is an eSIM cheaper than my carrier's international roaming for Spain?
By a wide margin. AT&T's International Day Pass and Verizon's TravelPass both run roughly $12/day, putting a one-week Spain trip around $84 and two weeks around $168. The cheapest 10 GB Spain eSIM is $9.79 total with 30 days of validity, and a full month of unlimited data starts at $44. Even the most expensive 30-day unlimited plan in this comparison, at $72.50, costs less than a week of carrier roaming.
Should I buy unlimited data for Spain?
Usually not. Spain is one of the cheapest eSIM markets we've priced, and fixed data is excellent value: 20 GB costs $16.99 and 50 GB costs about $34. A 30-day unlimited plan runs from $44 to $72.50. Unlimited only makes sense if you're tethering a laptop full-time or streaming heavily, and if you are, Ubigi's $44 month is the one to buy.
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