While it may be true that is possible to can cantaloupe, it tends to have a mushy texture and isn’t very enjoyable for most people. Those who want to conserve their cantaloupe for as long as possible will want to think about freezing it instead.
It will be important to make sure that you take the time to go about freezing your cantaloupe the right way though, because the last thing you want is for it to freeze improperly. First you will need to cut your cantaloupe into chunks and put them in an airtight vacuum-sealed bag so no air gets in. This way your cantaloupe will freeze properly with no problems whatsoever.