Trustpilot
An eSIM for London from HelloRoam starts at S$3.42 across 204+ carrier networks in 185+ countries. Activate via QR code in under two minutes on any eSIM compatible phone. Keep your Singtel, StarHub, or M1 number active on dual SIM.
194+
networks
5G
5G support
under 2 minutes
activation
![[[networkType]] network speed](/icons/figma-2026/stats-speedometer.svg?dpl=dpl_EZPUkETyUsS6BoZux96CuKxseUzm){kind=icon}
Updated
London tourist sim network coverage from Heathrow across the city
Affordable eSIM for London, starting from S$3.42. Local 4G LTE and 5G data on trusted carrier networks in London. Works on all eSIM compatible handphones. A London tourist sim plan from HelloRoam starts at S$3.42 on T-Mobile UK 5G networks. A HelloRoam travel sim London runs on T-Mobile UK, 3, and O2 5G networks across Heathrow, the City, Shoreditch, Covent Garden, and the Tube network from S$3.42. Activate by QR before your Changi flight. HelloRoam backs every order with a 180-day refund guarantee. No physical SIM card needed.
