Lost one Airpod
How much does it cost to replace one AirPod, the latest edition
Question marked as
In the U.S., $69. For other countries of for more information, see the following from If your AirPods are lost - Apple Support
If you still can't find your AirPod or Charging Case, or if something is damaged, get the serial number and then contact Apple Support for a replacement. Then learn how to set up your replacement.
You can also learn more about AirPod pricing and service options.