It varies. A lot of airlines offer carbon offsets directly as an option when you buy your ticket. Also, sometimes I buy mine in bulk and not per-flight. Here's

It varies. A lot of airlines offer carbon offsets directly as an option when you buy your ticket. Also, sometimes I buy mine in bulk and not per-flight. Here's a good overview of buying carbon offsets for flights: https://thepointsguy.com/guide/everything-you-need-to-know-carbon-offsetting-flights/ https://thepointsguy.com/guide/everything-you-need-to-know-c...