Usually, you can expect higher costs and low data offers at the airport, so we don’t recommend buying a SIM card at the airport. You can either buy an Indonesia prepaid SIM card in person in some international airports, mobile provider stores, convenience stores, or online. That said, if you’re planning on visiting other countries during your trip to Asia, you might want to make sure to pick an option that offers coverage in other Asian countries. I’ll get back to Airalo later on, so keep reading to learn more! If you’re traveling in Indonesia, we recommend using a SIM card from Telkomsel, XL Axiata, Smartfren, or Airalo. Final Thoughts On SIM Cards In Indonesia Best SIM Cards In Indonesia