Yes. Cricket offers roaming in Canada, with the same rates as in the US.
Cricket Wireless customers must use their Flex Bucket or subscribe to a service plan that includes a monthly allotment of roaming minutes.Cricket PAYGo customers must have sufficient account balance for roaming charges.
All customers should update their PRL by dialing *228 before entering a Roaming coverage area.

Source:

Does Cricket have international roaming? | Cricket Wireless