Best eSIMs for South America

Regional plans suit the classic South America trip

Few travellers visit South America for just one country. The classic routes — Argentina to Chile through Patagonia, the Andean loop of Peru, Bolivia and Ecuador, or a Brazil–Argentina–Uruguay city run — all cross borders. A regional or global plan covers the whole itinerary on one profile, so you are not buying a new SIM in every country. The list above includes regional options built for exactly this.

When a local plan still wins

If your trip is anchored in one country — a fortnight in Brazil for Carnival, or a Buenos Aires work stint — a local plan for that country is typically cheapest and often offers more data per dollar. Use the trip stacker to compare a single regional plan against a set of local ones for your route.

Data sizing for long overland trips

South America trips skew long and overland, which means heavy reliance on maps, translation, ride-hailing and booking apps rather than streaming. Budget 5–10GB per week for typical backpacking use; size up if you hotspot a laptop or upload a lot of photos and video. On long bus journeys and remote treks (the Inca Trail, the Salar de Uyuni) expect coverage gaps — download offline maps in advance.

Altitude, remoteness and coverage

Coverage is strong in cities and along major routes but thins out in the Amazon, high Andes and Patagonian wilderness — no eSIM changes the underlying network. Keep offline maps and key bookings downloaded, and treat the eSIM as your connection whenever you are near a town. Install it before you fly and enable data roaming for the travel line.