This specific eSIMFlyer plan is meticulously designed for seamless connectivity exclusively within Uruguay. For frequent flyers planning a combined trip, it's important to note that if you're taking the popular Buquebus or Colonia Express ferry from Buenos Aires, Argentina, your Uruguay plan will cease to function mid-river. For multi-country itineraries, especially across the Rio de la Plata, consider our regional South America eSIM options to maintain uninterrupted service in both Argentina and Uruguay.
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Is my eSIMFlyer Uruguay plan also valid for Argentina (Buenos Aires)?
Updated April 22, 2026
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