A recent article was written about how the Canadian airlines resent having to shoulder the fee of returning passengers coming to Canada who have a criminal record.
If you are an American traveler with a criminal record and wish to enter Canada you will need to obtain a special clearance known as a deemed rehabilitation to travel to Canada.
Each year there are thousands of Americans who get denied entry to Canada due to their criminal record. No matter how small, even a misdemeanour like a DUI, you may get denied entry at the Canadian border.
Pardons Canada helps American citizens to obtain a deemed rehabilitation in order to enter Canada without the worry of being denied entry. The process is complicated on our end and can take time but as long as you have been out of trouble for a certain period of time you will be safe to travel to Canada.