It truly depends on your home provider. Although Luxembourg is part of the EU, many UK providers have reintroduced roaming charges post-Brexit. For travelers from the USA, Switzerland, or most Asian countries, roaming fees are definitely not free and can quickly become very expensive. Using an eSIM On Trip is a smart, cost-effective alternative. You get transparent pricing, avoid bill shock, and activate instantly, letting you enjoy Luxembourg without worrying about exorbitant roaming costs.
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Is roaming free in Luxembourg if I have a UK or US SIM card?
Updated April 22, 2026
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