Yes, you can absolutely use Bluetooth on a plane without Wi-Fi, and as of 2026, it is a standard part of the modern flying experience. While "Airplane Mode" historically disabled all wireless radios, modern smartphones and tablets allow you to manually toggle Bluetooth back ON while keeping cellular and Wi-Fi off. This is essential for connecting your wireless headphones (like AirPods or Bose) to your personal device or to the aircraft's own seatback entertainment system, many of which now support Bluetooth pairing directly. Bluetooth operates on a very low-power, short-range frequency (2.4 GHz) that does not interfere with critical cockpit navigation or communication systems. You are typically allowed to keep Bluetooth active throughout the entire flight, including during takeoff and landing, as long as the device is in "Flight Mode" for its cellular connection. This enables you to listen to downloaded music or movies offline without needing to pay for the expensive onboard Wi-Fi.