Question: how much does it cost to send a letter from the united states to canada?
Answer: Postage to Canada. The easiest way to send letters from the USA to Canada is with Global Forever Stamps for $1.20 each. You can also use regular, domestic forever stamps as long as they add up to $1.20. Unlike all other international destinations, Global Stamps to Canada are Buy One Get One on the first 2 ounces.