Whether your existing UK or US SIM offers free roaming in Lithuania depends on your carrier and plan. Lithuania is within the EU, so EU citizens typically benefit from 'Roam Like at Home.' However, for UK users post-Brexit, many carriers (like O2, Vodafone, Three) have reintroduced daily roaming fees, which can quickly add up. US carriers (e.g., AT&T, Verizon, T-Mobile) usually charge premium daily rates for international roaming. Truly Roaming offers predictable, cost-effective data for your monthly stay, often being a more economical and reliable choice than expensive roaming charges.
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Will my existing UK or US SIM card offer free roaming in Lithuania, or is Truly Roaming a better option?
Updated April 22, 2026
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