For US travelers, international roaming in Belgium is not free; major US carriers like AT&T or T-Mobile will apply daily roaming charges. For UK citizens post-Brexit, while Belgium is in the EU, many UK carriers (e.g., O2, Vodafone, Three) have reintroduced daily roaming fees, typically ranging from £2-£6 per day. HotelESIM offers a transparent and often more economical alternative for data connectivity, ensuring you stay connected in Brussels, Bruges, or Antwerp without incurring unexpected and often expensive charges from your home network.
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Is roaming free in Belgium with my UK or US SIM card, or should I consider HotelESIM?
Updated April 22, 2026
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