Certainly, you'll be able to take a portable speaker over a plane. Nonetheless, usually there are some constraints on the size and power in the speaker. Bluetooth belters at around $seventy nine / £seventy nine. It isn't really successful any awards for design, but it is IP67 drinking water- https://www.bluetoothspeaker.top/smart-high-quality-oem-wireless-stereo-bluetooth-speaker-for-swimming-pool-party-loudspeaker/