You need a valid permanent resident (PR) card to return to Canada by plane, train, bus or boat. If you know your card will expire when you’re travelling, you must renew it before you leave. You can only renew your card in Canada. IRCC does not send PR cards to non-Canadian addresses and doesn't allow third parties to get them for you.
If you’re outside Canada and don’t have a valid PR card, we can apply for a permanent resident travel document (PRTD) for you to return to Canada. You can only apply for a PRTD from outside Canada. If you try to return to Canada without a PR card or PRTD, you may not be able to take your flight, train, bus or boat to Canada.