Best eSIM for Argentina (2026): Prices, Networks and Which Plan to Buy for Buenos Aires and Patagonia

The best eSIM for Argentina on fixed data is a tie between Wayfarro and Nomad, which are level at 1GB ($5 and $5), 5GB ($16 and $16), 10GB and 20GB; Nomad is cheaper at 3GB. On unlimited plans Wayfarro is cheapest at 3 days ($17 against $19.50 at Airalo) and 5 days, and Airalo is cheaper at 7 days ($34.50) and 10 days ($38.50). Wayfarro's prices come straight from its store; Nomad's and Airalo's were checked in October 2026.

Argentina is big, and the trips people take in it are long. Buenos Aires to Ushuaia is a three-and-a-half-hour flight, and a two-week itinerary often means the capital, Mendoza or Salta, Bariloche or El Calafate, and Iguazú. Coverage in all of those towns is good. The things to plan for are the empty stretches of Patagonia between them, the three borders you might cross without really noticing (Uruguay, Chile and Brazil), and the fact that unlimited plans cost more here than almost anywhere else, which makes a fixed-data plan the smart buy.

Best eSIM for Argentina: prices compared

These are the plans from each provider's own Argentina page, confirmed in US dollars. Providers change prices and run sales often, so check before you buy.

Plan	Wayfarro	Nomad	Airalo
1GB · 7 days	$5	$5	—
2GB · 15 days	$9.50	—	—
3GB · 30 days	$11	$9.50	—
5GB · 30 days	$16	$16	—
10GB · 30 days	$28	$28	—
20GB · 30 days	$47	$47	—
50GB · 30 days	$111	—	—
Unlimited · 1 day	$7.50	—	—
Unlimited · 3 days	$17	—	$19.50
Unlimited · 5 days	$27	—	$27.50
Unlimited · 7 days	$37	—	$34.50
Unlimited · 10 days	$52	—	$38.50
Unlimited · 15 days	$78	—	—
Unlimited · 30 days	$153	—	—
Networks	Not named on the plan page	Movistar	Movistar

How to read this table: Wayfarro and Nomad are level on every fixed-data plan except 3GB, where Nomad is $1.50 cheaper. Nomad sells no unlimited Argentina plans. Against Airalo, Wayfarro is cheaper at 3 days and by 50 cents at 5 days, and Airalo is cheaper at 7 and 10 days. Wayfarro is the only one of the three with a 1-day unlimited plan, 15- and 30-day unlimited plans, and 2GB, 50GB and 100GB plans. Airalo's Argentina page showed only unlimited plans; it also sells fixed-data plans, so check its site for those. A dash means the provider doesn't sell that exact plan, or we couldn't confirm its US-dollar price.

Wayfarro's unlimited rows are its Unlimited Lite plans: 1GB a day at full speed, then 512 kbps until the next day. It also sells Unlimited Essential (1GB a day, then 1.25 Mbps) and Unlimited Plus (2GB a day, then 2 Mbps). Seven days costs $45 on Essential and $90 on Plus. Airalo doesn't publish a daily high-speed allowance for its Argentina unlimited plans. Nomad says its eSIMs support hotspot.

Which is the best eSIM for Argentina for your trip?

In Argentina, buy fixed data unless you really need unlimited. Unlimited plans here cost roughly double what they do in Europe, while fixed plans are only a little dearer, so a 10GB plan goes a long way.

• Buenos Aires in a long weekend (2–3 days): 1GB at $5, the same price as Nomad, covers maps, Cabify and WhatsApp. If you'll film every milonga and parrilla, the 3-day unlimited at $17 is cheaper than Airalo's. A single day between flights gets the 1-day plan at $7.50.
• Five days, the capital plus a day trip: 3GB covers Tigre, a Colonia day trip (on the Argentine side of the river only) or an estancia visit. Nomad's 3GB at $9.50 beats Wayfarro's $11 here.
• One week, normal use: 5GB at $16, level with Nomad.
• One week, heavy use (video, social, hotspot): Airalo's 7-day unlimited at $34.50 is cheaper than Wayfarro's $37. If you want more than 1GB a day at full speed, the Plus tier at $90 gives 2GB a day.
• Two weeks, Buenos Aires plus Mendoza and Patagonia: 10GB at $28, level with Nomad. That's plenty when half your days are on a glacier or a trail with no signal anyway.
• A month, or a long Patagonia road trip: 20GB at $47 is level with Nomad, and Wayfarro is the only one of the three with 50GB or a 30-day unlimited plan at $153.

Networks and coverage in Argentina

Argentina has three networks: Claro, Movistar and Personal. Argentina's official tourism site ranks Claro first for national reach, including rural and remote tourist areas in Patagonia, describes Movistar as solid in cities with coverage "somewhat less extensive than Claro's" outside them, and says Personal's signal is more limited in the south. Nomad and Airalo both put their Argentina eSIMs on Movistar. Wayfarro's plan page doesn't name its partner network, so if a specific operator matters to you, buy the plan that names it.

What to expect on the ground:

• Buenos Aires, Córdoba, Rosario, Mendoza: Dense 4G and 5G on all three networks. The Subte has coverage in most stations.
• Bariloche, El Calafate, El Chaltén, Ushuaia: Good signal in town on every network. The steppe between them, and the long stretches of Ruta 40, are sparse. Download offline maps before any drive.
• Perito Moreno glacier and the Fitz Roy trails: Expect signal at the car parks and boardwalks and little beyond. It's a good day to leave the phone in airplane mode.
• Iguazú: Puerto Iguazú and the Argentine park are covered. Cross to Foz do Iguaçu and your Argentina plan stops.
• Salta and Jujuy: Fine in the towns; patchy on the Quebrada de Humahuaca and the road to the Salinas Grandes.

How to set up an eSIM for Argentina

Install at home, turn it on when you land. It takes about two minutes:

1. Check your phone is unlocked and supports eSIM. iPhone XS and later, Google Pixel 3 and later, and most recent Samsung Galaxy phones do.
2. Install over Wi-Fi before you fly. Scan the QR code or use the one-tap install link. Step-by-step install guide.
3. Label it "Argentina" so it's easy to pick in settings.
4. When you land, set the Argentina eSIM as your mobile-data line and turn on Data Roaming for it. Travel eSIMs technically roam, so data won't connect without this setting.
5. Keep your home SIM on for calls and texts (turn its data roaming off to avoid charges) so you still get bank verification codes.

With Wayfarro, your plan's validity starts when the eSIM first connects in Argentina, not when you install it. If you run low, you top up the same eSIM without reinstalling.

Argentina-specific tips

Local SIMs are doable but slow. Argentina's tourism site says Claro stores register a prepaid SIM against your passport on the spot, Movistar can activate by WhatsApp, and Personal sells online if you enter passport details. At Ezeiza there's a Personal stand that takes cards only, and no Claro. It works, but it's a queue on arrival that an eSIM installed at home skips.

Free Wi-Fi is better than most countries'. Buenos Aires runs BA WiFi with over 1,200 antennas at busy spots, capped at about 5 Mbps per user in 30-minute sessions you can renew. Mendoza, Córdoba and Bariloche run free public Wi-Fi in their plazas and centres. It's a real backup for maps and messages, but not something to plan a day around, and not for banking.

The apps that need data: Cabify and Uber for taxis in the capital, Mercado Pago if a local pays you back, and the airline apps, because domestic flights are how you cover the distances. Buy a SUBE card for the Subte and colectivos; the card is physical, but topping up and checking balances is easier with data.

Pesos and prices: Prices in pesos change often, so a figure you read a few months ago is probably wrong. Pay by card where you can and check the rate the day you pay. If a terminal offers to charge you in your home currency, decline and pay in pesos.

Borders you'll barely notice: The Buquebus ferry to Colonia takes just over an hour, Chile is a bus ride from Bariloche or Mendoza, and Brazil is a bridge at Iguazú. All three are a different country for your eSIM. If your trip crosses any of them, the Latin America regional eSIM covers the whole route on one install.

Bottom line

For most trips, the best eSIM for Argentina is a 5GB or 10GB fixed-data plan, where Wayfarro and Nomad are level. Nomad edges it at 3GB, Wayfarro is cheapest on short unlimited plans and the only one with 1-day, 15-day and 30-day unlimited, and Airalo is cheapest at 7 and 10 days unlimited. Whichever you choose, install it at home and turn on data roaming when you land. See Wayfarro's Argentina eSIM plans. Carrying on to Rio or Santiago? The Latin America guide covers the regional plan, or pair Argentina with Chile in the Trip Builder.