Where to buy a SIM card with good internet coverage in Bali and which carrier is best?

On the SIM vs eSIM-before-departure question, travelers say it's fine to just buy a local SIM after landing in Bali — a regular SIM covers basic internet needs without arranging anything back home.

SIM cards at the airport cost noticeably more than at city phone shops — the price gap is significant, so it's better to wait and buy one in Kuta or Denpasar rather than right after landing.

Telkomsel is the most commonly recommended carrier — it has the best signal coverage across the whole island, including remote areas, which matters if you plan trips outside the main tourist zones.

Some ask specifically about buying a SIM right at the airport upon arrival — there are carrier kiosks there, but prices are higher than in town, so it's mainly an option for those who need internet immediately after leaving the terminal.