When your trip comes to an end, you can easily turn off your get eSIM by following these steps:

iPhone:

Open Settings > Go to Mobile Data > Mobile Data Plans > Select the get eSIM you want to manage > Turn off Data Plan to deactivate it.

Android:

Open Settings > Navigate to Network & Internet (or Connections) > SIM cards & mobile networks > Select the get eSIM you want to manage > Turn off the eSIM to deactivate it.

In case you want to permanently delete the eSIM from your device, just select Delete eSIM on your get eSIM details, depending on your device model.